Merge branch 'hotfix/1.3.3'

Closes #40

CHANGELOG.md

@@ -1,5 +1,32 @@
 # Changelog
 
+### 1.3.3 (March 20, 2016)
+
+* Add Spanish and Korean translations
+* Make small corrections to other translations
+* Fix incorrect date in history calendar
+
+### 1.3.2 (March 18, 2016)
+
+* Add Arabic, Italian, Polish, Russian and Swedish translations
+* Minor fixes to German and French translations
+* Minor bug fixes
+
+### 1.3.1 (March 15, 2016)
+
+* Fixes crash on devices with large screen, such as the Nexus 10
+* Fixes crash when clicking widgets and reminders of deleted habits
+* Other minor bug fixes
+
+### 1.3.0 (March 12, 2016)
+
+* New frequency plot: view total repetitions per day of week
+* New history editor: put checkmarks in the past
+* Add German, French and Japanese translations
+* Add about screen, with credits to all contributors
+* Fix small bug that prevented habit from being reordered
+* Fix small bug caused by rotating the device
+
 ### 1.2.0 (March 4, 2016)
 
 * Ability to export habit data as CSV

NOTICE.md

@@ -0,0 +1,91 @@
+# Copyright Notices
+
+### ActiveAndroid
+
+<https://github.com/pardom/ActiveAndroid>
+
+    Copyright (C) 2010 Michael Pardo
+
+    Licensed under the Apache License, Version 2.0 (the "License");
+    you may not use this file except in compliance with the License.
+    You may obtain a copy of the License at
+
+       http://www.apache.org/licenses/LICENSE-2.0
+
+    Unless required by applicable law or agreed to in writing, software
+    distributed under the License is distributed on an "AS IS" BASIS,
+    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+    See the License for the specific language governing permissions and
+    limitations under the License.
+
+### Android Open Source Project
+
+<https://source.android.com/>
+
+    Copyright (C) 2013 The Android Open Source Project
+
+    Licensed under the Apache License, Version 2.0 (the "License");
+    you may not use this file except in compliance with the License.
+    You may obtain a copy of the License at
+
+          http://www.apache.org/licenses/LICENSE-2.0
+
+    Unless required by applicable law or agreed to in writing, software
+    distributed under the License is distributed on an "AS IS" BASIS,
+    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+    See the License for the specific language governing permissions and
+    limitations under the License.
+
+### FontAwesome
+
+<http://fontawesome.io>
+
+Font Awesome is a full suite of 605 pictographic icons for easy scalable
+vector graphics on websites, created and maintained by Dave Gandy. Licensed
+under the SIL OFL 1.1.
+
+    The goals of the Open Font License (OFL) are to stimulate worldwide
+    development of collaborative font projects, to support the font creation
+    efforts of academic and linguistic communities, and to provide a free and
+    open framework in which fonts may be shared and improved in partnership
+    with others.
+
+    The OFL allows the licensed fonts to be used, studied, modified and
+    redistributed freely as long as they are not sold by themselves. The
+    fonts, including any derivative works, can be bundled, embedded,
+    redistributed and/or sold with any software provided that any reserved
+    names are not used by derivative works. The fonts and derivatives,
+    however, cannot be released under any other type of license. The
+    requirement for fonts to remain under this license does not apply
+    to any document created using the fonts or their derivatives.
+
+
+### DragSortListView
+
+<https://github.com/bauerca/drag-sort-listview>
+
+    A subclass of the Android ListView component that enables drag
+    and drop re-ordering of list items.
+
+    Copyright 2012 Carl Bauer
+
+    Licensed under the Apache License, Version 2.0 (the "License");
+    you may not use this file except in compliance with the License.
+    You may obtain a copy of the License at
+
+        http://www.apache.org/licenses/LICENSE-2.0
+
+    Unless required by applicable law or agreed to in writing, software
+    distributed under the License is distributed on an "AS IS" BASIS,
+    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+    See the License for the specific language governing permissions and
+    limitations under the License.
+
+### Material Design Icons
+
+<https://github.com/google/material-design-icons>
+
+Material design icons are the official icon set from Google that are designed
+under the material design guidelines. Available under the Creative Common
+Attribution 4.0 International License (CC-BY 4.0).
+

README.md

@@ -1,31 +1,43 @@
 # Loop Habit Tracker
 
-Loop is a simple Android app that helps you create and maintain good habits, allowing you to achieve your long-term goals. Detailed graphs and statistics show you how your habits improved over time. It is completely ad-free and open source.
+Loop is a simple Android app that helps you create and maintain good habits,
+allowing you to achieve your long-term goals. Detailed graphs and statistics
+show you how your habits improved over time. It is completely ad-free and open
+source.
 
-<a href="https://play.google.com/store/apps/details?id=org.isoron.uhabits&utm_source=global_co&utm_medium=prtnr&utm_content=Mar2515&utm_campaign=PartBadge&pcampaignid=MKT-AC-global-none-all-co-pr-py-PartBadges-Oct1515-1"><img alt="Get it on Google Play" src="https://play.google.com/intl/en_us/badges/images/apps/en-play-badge-border.png" width="200px"/></a>
+<a href="https://play.google.com/store/apps/details?id=org.isoron.uhabits&utm_source=global_co&utm_medium=prtnr&utm_content=Mar2515&utm_campaign=PartBadge&pcampaignid=MKT-AC-global-none-all-co-pr-py-PartBadges-Oct1515-1"><img alt="Get it on Google Play" src="https://play.google.com/intl/en_us/badges/images/apps/en-play-badge-border.png" height="75px"/></a>
+<a href="http://f-droid.org/app/org.isoron.uhabits"><img alt="Git if on F-Droid" src="http://i.imgur.com/baSPE7X.png" height="75px"/></a>
 
 ## Features
 
-<b>Simple, beautiful and modern interface</b>
-Loop has a minimalistic interface that is easy to use and follows the material design guidelines.
+* **Simple, beautiful and modern interface.** Loop has a minimalistic interface
+  that is easy to use and follows the material design guidelines.
 
-<b>Habit score</b>
-In addition to showing your current streak, Loop has an advanced algorithm for calculating the strength of your habits. Every repetition makes your habit stronger, and every missed day makes it weaker. A few missed days after a long streak, however, will not completely destroy your entire progress.
+* **Habit score.** In addition to showing your current streak, Loop has an
+  advanced algorithm for calculating the strength of your habits. Every
+  repetition makes your habit stronger, and every missed day makes it weaker. A
+  few missed days after a long streak, however, will not completely destroy
+  your entire progress.
 
-<b>Detailed graphs and statistics</b>
-Clearly see how your habits improved over time with beautiful and detailed graphs. Scroll back to see the complete history of your habits.
+* **Detailed graphs and statistics.** Clearly see how your habits improved over
+  time with beautiful and detailed graphs. Scroll back to see the complete
+  history of your habits.
 
-<b>Flexible schedules</b>
-Supports both daily habits and habits with more complex schedules, such as 3 times every week; one time every other week; or every other day.
+* **Flexible schedules.** Supports both daily habits and habits with more
+  complex schedules, such as 3 times every week; one time every other week; or
+  every other day.
 
-<b>Reminders</b>
-Create an individual reminder for each habit, at a chosen hour of the day. Easily check, dismiss or snooze your habit directly from the notification, without opening the app.
+* **Reminders.** Create an individual reminder for each habit, at a chosen hour
+  of the day. Easily check, dismiss or snooze your habit directly from the
+  notification, without opening the app.
 
-<b>Optimized for smartwatches</b>
-Reminders can be checked, snoozed or dismissed directly from your Android Wear watch.
+* **Optimized for smartwatches.** Reminders can be checked, snoozed or
+  dismissed directly from your Android Wear watch.
 
-<b>Completely ad-free and open source</b>
-There are absolutely no advertisements, annoying notifications or intrusive permissions in this app, and there will never be. The complete source code is available under the GPLv3.
+* **Completely ad-free and open source.** There are absolutely no
+  advertisements, annoying notifications or intrusive permissions in this app,
+  and there will never be. The complete source code is available under the
+  GPLv3.
 
 ## Screenshots
 
@@ -35,6 +47,46 @@ There are absolutely no advertisements, annoying notifications or intrusive perm
 [![Habit history and streaks][screen4th]][screen4]
 [![Widgets][screen5th]][screen5]
 
+## Installing
+
+The easiest way to install Loop is through the [Google Play Store][playstore] or [F-Droid][fdroid].
+You may also download and install the APK from the [releases page][releases];
+note, however, that the app will not be updated automatically.  To build this
+app from the source code, see [building instructions][build].
+
+## Contributing
+
+Loop is an open source project developed entirely by volunteers. If you would
+like to contribute to the project, you are very welcome. There are many ways to
+contribute, even if you are not a software developer.
+
+* **Report bugs, suggest features.** The easiest way to contribute is to simply
+  use the app and let us know if you find any problems or have any suggestions
+  to improve it. You can either use the link inside the app, or open an issue
+  at GitHub.
+
+* **Translate the app into your own language.** If you are not a native English
+  speaker, and would like to see the app translated into your own language,
+  please join our [open translation project at POEditor][poedit].
+
+* **Write some code.** If you are an Android developer, you are very welcome to
+  contribute with code. Please, see the [developer guidelines][dev-guide] for more details.
+
+## License
+
+    This program is free software: you can redistribute it and/or modify it
+    under the terms of the GNU General Public License as published by the Free
+    Software Foundation, either version 3 of the License, or (at your option)
+    any later version.
+
+    This program is distributed in the hope that it will be useful, but WITHOUT
+    ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+    FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
+    more details.
+
+    You should have received a copy of the GNU General Public License along
+    with this program.  If not, see <http://www.gnu.org/licenses/>.
+
 [screen1]: screenshots/original/uhabits1.png
 [screen2]: screenshots/original/uhabits2.png
 [screen3]: screenshots/original/uhabits3.png
@@ -45,3 +97,9 @@ There are absolutely no advertisements, annoying notifications or intrusive perm
 [screen3th]: screenshots/thumbs/uhabits3.png
 [screen4th]: screenshots/thumbs/uhabits4.png
 [screen5th]: screenshots/thumbs/uhabits5.png
+[poedit]: https://poeditor.com/join/project/8DWX5pfjS0
+[playstore]: https://play.google.com/store/apps/details?id=org.isoron.uhabits
+[releases]: https://github.com/iSoron/uhabits/releases
+[fdroid]: http://f-droid.org/app/org.isoron.uhabits
+[dev-guide]: https://github.com/iSoron/uhabits/wiki/Developer-guidelines
+[build]: https://github.com/iSoron/uhabits/wiki/Developer-guidelines#building

app/build.gradle

@@ -8,6 +8,8 @@ android {
         applicationId "org.isoron.uhabits"
         minSdkVersion 15
         targetSdkVersion 23
+
+        testInstrumentationRunner "android.support.test.runner.AndroidJUnitRunner"
     }
 
     buildTypes {
@@ -15,6 +17,9 @@ android {
             minifyEnabled false
             proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.txt'
         }
+        debug {
+            testCoverageEnabled = true
+        }
     }
 
     lintOptions {
@@ -27,5 +32,11 @@ dependencies {
     compile 'com.github.paolorotolo:appintro:3.4.0'
     compile project(':libs:drag-sort-listview:library')
     compile files('libs/ActiveAndroid.jar')
+
+    androidTestCompile 'com.android.support:support-annotations:23.1.1'
+    androidTestCompile 'com.android.support.test:runner:0.4.1'
+    androidTestCompile 'com.android.support.test:rules:0.4.1'
+    androidTestCompile 'com.android.support.test.espresso:espresso-core:2.2.1'
+    androidTestCompile 'com.android.support.test.espresso:espresso-intents:2.2.1'
 }
 

app/src/androidTest/java/org/isoron/uhabits/HabitMatchers.java

@@ -0,0 +1,79 @@
+/*
+ * Copyright (C) 2016 Álinson Santos Xavier <isoron@gmail.com>
+ *
+ * This file is part of Loop Habit Tracker.
+ *
+ * Loop Habit Tracker is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by the
+ * Free Software Foundation, either version 3 of the License, or (at your
+ * option) any later version.
+ *
+ * Loop Habit Tracker is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
+ * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
+ * more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+package org.isoron.uhabits;
+
+import android.view.View;
+import android.widget.Adapter;
+import android.widget.AdapterView;
+
+import org.hamcrest.Description;
+import org.hamcrest.Matcher;
+import org.hamcrest.TypeSafeMatcher;
+import org.isoron.uhabits.models.Habit;
+
+public class HabitMatchers
+{
+    public static Matcher<Habit> withName(final String name)
+    {
+        return new TypeSafeMatcher<Habit>()
+        {
+            @Override
+            public boolean matchesSafely(Habit habit)
+            {
+                return habit.name.equals(name);
+            }
+
+            @Override
+            public void describeTo(Description description)
+            {
+                description.appendText("name should be ").appendText(name);
+            }
+
+            @Override
+            public void describeMismatchSafely(Habit habit, Description description)
+            {
+                description.appendText("was ").appendText(habit.name);
+            }
+        };
+    }
+
+    public static Matcher<View> containsHabit(final Matcher<Habit> matcher)
+    {
+        return new TypeSafeMatcher<View>()
+        {
+            @Override
+            protected boolean matchesSafely(View view)
+            {
+                Adapter adapter = ((AdapterView) view).getAdapter();
+                for (int i = 0; i < adapter.getCount(); i++)
+                    if (matcher.matches(adapter.getItem(i))) return true;
+
+                return false;
+            }
+
+            @Override
+            public void describeTo(Description description)
+            {
+                description.appendText("with class name: ");
+                matcher.describeTo(description);
+            }
+        };
+    }
+}

app/src/androidTest/java/org/isoron/uhabits/HabitViewActions.java

@@ -0,0 +1,130 @@
+/*
+ * Copyright (C) 2016 Álinson Santos Xavier <isoron@gmail.com>
+ *
+ * This file is part of Loop Habit Tracker.
+ *
+ * Loop Habit Tracker is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by the
+ * Free Software Foundation, either version 3 of the License, or (at your
+ * option) any later version.
+ *
+ * Loop Habit Tracker is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
+ * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
+ * more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+package org.isoron.uhabits;
+
+import android.support.test.espresso.UiController;
+import android.support.test.espresso.ViewAction;
+import android.support.test.espresso.action.CoordinatesProvider;
+import android.support.test.espresso.action.GeneralClickAction;
+import android.support.test.espresso.action.GeneralLocation;
+import android.support.test.espresso.action.Press;
+import android.support.test.espresso.action.Tap;
+import android.support.test.espresso.matcher.ViewMatchers;
+import android.view.View;
+import android.widget.LinearLayout;
+import android.widget.TextView;
+
+import org.hamcrest.Matcher;
+
+import java.security.InvalidParameterException;
+import java.util.Random;
+
+public class HabitViewActions
+{
+    public static ViewAction toggleAllCheckmarks()
+    {
+        final GeneralClickAction clickAction =
+                new GeneralClickAction(Tap.LONG, GeneralLocation.CENTER, Press.FINGER);
+
+        return new ViewAction()
+        {
+            @Override
+            public Matcher<View> getConstraints()
+            {
+                return ViewMatchers.isDisplayed();
+            }
+
+            @Override
+            public String getDescription()
+            {
+                return "toggleAllCheckmarks";
+            }
+
+            @Override
+            public void perform(UiController uiController, View view)
+            {
+                if (view.getId() != R.id.llButtons)
+                    throw new InvalidParameterException("View must have id llButtons");
+
+                LinearLayout llButtons = (LinearLayout) view;
+                int count = llButtons.getChildCount();
+
+                for (int i = 0; i < count; i++)
+                {
+                    TextView tvButton = (TextView) llButtons.getChildAt(i);
+                    clickAction.perform(uiController, tvButton);
+                }
+            }
+        };
+    }
+
+    public static ViewAction clickAt(final int x, final int y)
+    {
+        return new GeneralClickAction(Tap.SINGLE, new CoordinatesProvider()
+        {
+            @Override
+            public float[] calculateCoordinates(View view)
+            {
+                int[] locations = new int[2];
+                view.getLocationOnScreen(locations);
+
+                final float locationX = locations[0] + x;
+                final float locationY = locations[1] + y;
+
+                return new float[]{locationX, locationY};
+            }
+        }, Press.FINGER);
+    }
+
+    public static ViewAction clickAtRandomLocations(final int count)
+    {
+        return new ViewAction()
+        {
+            @Override
+            public Matcher<View> getConstraints()
+            {
+                return ViewMatchers.isDisplayed();
+            }
+
+            @Override
+            public String getDescription()
+            {
+                return "clickAtRandomLocations";
+            }
+
+            @Override
+            public void perform(UiController uiController, View view)
+            {
+                int width = view.getWidth();
+                int height = view.getHeight();
+                Random random = new Random();
+
+                for(int i = 0; i < count; i++)
+                {
+                    int x = random.nextInt(width);
+                    int y = random.nextInt(height);
+
+                    ViewAction action = clickAt(x, y);
+                    action.perform(uiController, view);
+                }
+            }
+        };
+    }
+}

app/src/androidTest/java/org/isoron/uhabits/MainActivityActions.java

@@ -0,0 +1,178 @@
+/*
+ * Copyright (C) 2016 Álinson Santos Xavier <isoron@gmail.com>
+ *
+ * This file is part of Loop Habit Tracker.
+ *
+ * Loop Habit Tracker is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by the
+ * Free Software Foundation, either version 3 of the License, or (at your
+ * option) any later version.
+ *
+ * Loop Habit Tracker is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
+ * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
+ * more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+package org.isoron.uhabits;
+
+import android.content.Context;
+import android.support.test.InstrumentationRegistry;
+
+import org.isoron.uhabits.models.Habit;
+
+import java.util.Collections;
+import java.util.LinkedList;
+import java.util.List;
+import java.util.Random;
+
+import static android.support.test.espresso.Espresso.onData;
+import static android.support.test.espresso.Espresso.onView;
+import static android.support.test.espresso.Espresso.openContextualActionModeOverflowMenu;
+import static android.support.test.espresso.Espresso.pressBack;
+import static android.support.test.espresso.action.ViewActions.click;
+import static android.support.test.espresso.action.ViewActions.longClick;
+import static android.support.test.espresso.action.ViewActions.replaceText;
+import static android.support.test.espresso.assertion.ViewAssertions.matches;
+import static android.support.test.espresso.matcher.ViewMatchers.isDisplayed;
+import static android.support.test.espresso.matcher.ViewMatchers.withContentDescription;
+import static android.support.test.espresso.matcher.ViewMatchers.withId;
+import static android.support.test.espresso.matcher.ViewMatchers.withText;
+import static org.hamcrest.Matchers.allOf;
+import static org.hamcrest.Matchers.instanceOf;
+import static org.hamcrest.Matchers.is;
+import static org.hamcrest.Matchers.not;
+import static org.isoron.uhabits.HabitMatchers.containsHabit;
+import static org.isoron.uhabits.HabitMatchers.withName;
+
+public class MainActivityActions
+{
+    public static String addHabit()
+    {
+        return addHabit(false);
+    }
+
+    public static String addHabit(boolean openDialogs)
+    {
+        String name = "New Habit " + new Random().nextInt(1000000);
+        String description = "Did you perform your new habit today?";
+        String num = "4";
+        String den = "8";
+
+        onView(withId(R.id.action_add))
+                .perform(click());
+
+        typeHabitData(name, description, num, den);
+
+        if(openDialogs)
+        {
+            onView(withId(R.id.buttonPickColor))
+                    .perform(click());
+            pressBack();
+            onView(withId(R.id.inputReminderTime))
+                    .perform(click());
+            onView(withText("Done"))
+                    .perform(click());
+            onView(withId(R.id.inputReminderDays))
+                    .perform(click());
+            onView(withText("OK"))
+                    .perform(click());
+        }
+
+        onView(withId(R.id.buttonSave))
+                .perform(click());
+
+        onData(allOf(is(instanceOf(Habit.class)), withName(name)))
+                .onChildView(withId(R.id.label));
+
+        return name;
+    }
+
+    public static void typeHabitData(String name, String description, String num, String den)
+    {
+        onView(withId(R.id.input_name))
+                .perform(replaceText(name));
+        onView(withId(R.id.input_description))
+                .perform(replaceText(description));
+        onView(withId(R.id.input_freq_num))
+                .perform(replaceText(num));
+        onView(withId(R.id.input_freq_den))
+                .perform(replaceText(den));
+    }
+
+    public static void selectHabit(String name)
+    {
+        selectHabits(Collections.singletonList(name));
+    }
+
+    public static void selectHabits(List<String> names)
+    {
+        boolean first = true;
+        for(String name : names)
+        {
+            onData(allOf(is(instanceOf(Habit.class)), withName(name)))
+                    .onChildView(withId(R.id.label))
+                    .perform(first ? longClick() : click());
+
+            first = false;
+        }
+    }
+
+    public static void assertHabitsDontExist(List<String> names)
+    {
+        for(String name : names)
+            onView(withId(R.id.listView))
+                    .check(matches(not(containsHabit(withName(name)))));
+    }
+
+    public static void assertHabitExists(String name)
+    {
+        List<String> names = new LinkedList<>();
+        names.add(name);
+        assertHabitsExist(names);
+    }
+
+    public static void assertHabitsExist(List<String> names)
+    {
+        for(String name : names)
+            onData(allOf(is(instanceOf(Habit.class)), withName(name)))
+                    .check(matches(isDisplayed()));
+    }
+
+    public static void deleteHabit(String name)
+    {
+        deleteHabits(Collections.singletonList(name));
+    }
+
+    public static void deleteHabits(List<String> names)
+    {
+        selectHabits(names);
+        clickActionModeMenuItem(R.string.delete);
+        onView(withText("OK"))
+                .perform(click());
+        assertHabitsDontExist(names);
+    }
+
+    public static void clickActionModeMenuItem(int stringId)
+    {
+        try
+        {
+            onView(withText(stringId)).perform(click());
+        }
+        catch (Exception e1)
+        {
+            try
+            {
+                onView(withContentDescription(stringId)).perform(click());
+            }
+            catch(Exception e2)
+            {
+                openContextualActionModeOverflowMenu();
+                onView(withText(stringId)).perform(click());
+            }
+        }
+    }
+}

app/src/androidTest/java/org/isoron/uhabits/MainTest.java

@@ -0,0 +1,200 @@
+package org.isoron.uhabits;
+
+import android.content.Context;
+import android.support.test.InstrumentationRegistry;
+import android.support.test.espresso.NoMatchingViewException;
+import android.support.test.espresso.intent.rule.IntentsTestRule;
+import android.support.test.runner.AndroidJUnit4;
+import android.test.suitebuilder.annotation.LargeTest;
+
+import org.isoron.uhabits.models.Habit;
+import org.junit.Before;
+import org.junit.Rule;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+
+import java.util.LinkedList;
+import java.util.List;
+import java.util.Random;
+
+import static android.support.test.espresso.Espresso.onData;
+import static android.support.test.espresso.Espresso.onView;
+import static android.support.test.espresso.Espresso.openActionBarOverflowOrOptionsMenu;
+import static android.support.test.espresso.Espresso.pressBack;
+import static android.support.test.espresso.action.ViewActions.click;
+import static android.support.test.espresso.action.ViewActions.longClick;
+import static android.support.test.espresso.action.ViewActions.scrollTo;
+import static android.support.test.espresso.action.ViewActions.swipeLeft;
+import static android.support.test.espresso.action.ViewActions.swipeRight;
+import static android.support.test.espresso.action.ViewActions.swipeUp;
+import static android.support.test.espresso.assertion.ViewAssertions.matches;
+import static android.support.test.espresso.matcher.ViewMatchers.isDisplayed;
+import static android.support.test.espresso.matcher.ViewMatchers.isRoot;
+import static android.support.test.espresso.matcher.ViewMatchers.withClassName;
+import static android.support.test.espresso.matcher.ViewMatchers.withId;
+import static android.support.test.espresso.matcher.ViewMatchers.withText;
+import static org.hamcrest.Matchers.allOf;
+import static org.hamcrest.Matchers.endsWith;
+import static org.hamcrest.Matchers.instanceOf;
+import static org.hamcrest.Matchers.is;
+import static org.isoron.uhabits.HabitMatchers.withName;
+import static org.isoron.uhabits.HabitViewActions.clickAtRandomLocations;
+import static org.isoron.uhabits.HabitViewActions.toggleAllCheckmarks;
+import static org.isoron.uhabits.MainActivityActions.addHabit;
+import static org.isoron.uhabits.MainActivityActions.assertHabitExists;
+import static org.isoron.uhabits.MainActivityActions.assertHabitsDontExist;
+import static org.isoron.uhabits.MainActivityActions.assertHabitsExist;
+import static org.isoron.uhabits.MainActivityActions.clickActionModeMenuItem;
+import static org.isoron.uhabits.MainActivityActions.deleteHabit;
+import static org.isoron.uhabits.MainActivityActions.deleteHabits;
+import static org.isoron.uhabits.MainActivityActions.selectHabit;
+import static org.isoron.uhabits.MainActivityActions.selectHabits;
+import static org.isoron.uhabits.MainActivityActions.typeHabitData;
+import static org.isoron.uhabits.ShowHabitActivityActions.openHistoryEditor;
+
+@RunWith(AndroidJUnit4.class)
+@LargeTest
+public class MainTest
+{
+    @Rule
+    public IntentsTestRule<MainActivity> activityRule = new IntentsTestRule<>(
+            MainActivity.class);
+
+    @Before
+    public void skipTutorial()
+    {
+        try
+        {
+            for (int i = 0; i < 10; i++)
+                onView(allOf(withClassName(endsWith("AppCompatImageButton")),
+                        isDisplayed())).perform(click());
+        }
+        catch (NoMatchingViewException e)
+        {
+            // ignored
+        }
+    }
+
+    @Test
+    public void testArchiveHabits()
+    {
+        List<String> names = new LinkedList<>();
+        Context context = InstrumentationRegistry.getTargetContext();
+
+        for(int i = 0; i < 3; i++)
+            names.add(addHabit());
+
+        selectHabits(names);
+
+        clickActionModeMenuItem(R.string.archive);
+        assertHabitsDontExist(names);
+
+        openActionBarOverflowOrOptionsMenu(context);
+        onView(withText(R.string.show_archived))
+                .perform(click());
+
+        assertHabitsExist(names);
+        selectHabits(names);
+        clickActionModeMenuItem(R.string.unarchive);
+
+        openActionBarOverflowOrOptionsMenu(context);
+        onView(withText(R.string.show_archived))
+                .perform(click());
+
+        assertHabitsExist(names);
+        deleteHabits(names);
+    }
+
+    @Test
+    public void testAddInvalidHabit()
+    {
+        onView(withId(R.id.action_add))
+                .perform(click());
+
+        typeHabitData("", "", "15", "7");
+
+        onView(withId(R.id.buttonSave)).perform(click());
+        onView(withId(R.id.input_name)).check(matches(isDisplayed()));
+    }
+
+    @Test
+    public void testAddHabitAndViewStats()
+    {
+        String name = addHabit(true);
+
+        onData(allOf(is(instanceOf(Habit.class)), withName(name)))
+                .onChildView(withId(R.id.llButtons))
+                .perform(toggleAllCheckmarks());
+
+        onData(allOf(is(instanceOf(Habit.class)), withName(name)))
+                .onChildView(withId(R.id.label))
+                .perform(click());
+
+        onView(withId(R.id.scoreView))
+                .perform(swipeRight());
+
+        onView(withId(R.id.punchcardView))
+                .perform(scrollTo());
+    }
+
+    @Test
+    public void testEditHabit()
+    {
+        String name = addHabit();
+
+        onData(allOf(is(instanceOf(Habit.class)), withName(name)))
+                .onChildView(withId(R.id.label))
+                .perform(longClick());
+
+        clickActionModeMenuItem(R.string.edit);
+
+        String modifiedName = "Modified " + new Random().nextInt(10000);
+        typeHabitData(modifiedName, "", "1", "1");
+
+        onView(withId(R.id.buttonSave))
+                .perform(click());
+
+        assertHabitExists(modifiedName);
+
+        selectHabit(modifiedName);
+        clickActionModeMenuItem(R.string.color_picker_default_title);
+        pressBack();
+
+        deleteHabit(modifiedName);
+    }
+
+    @Test
+    public void testEditHistory()
+    {
+        String name = addHabit();
+
+        onData(allOf(is(instanceOf(Habit.class)), withName(name)))
+                .onChildView(withId(R.id.label))
+                .perform(click());
+
+        openHistoryEditor();
+        onView(withClassName(endsWith("HabitHistoryView")))
+                .perform(clickAtRandomLocations(20));
+
+        pressBack();
+        onView(withId(R.id.historyView))
+                .perform(scrollTo(), swipeRight(), swipeLeft());
+    }
+
+    @Test
+    public void testSettings()
+    {
+        Context context = InstrumentationRegistry.getContext();
+        openActionBarOverflowOrOptionsMenu(context);
+        onView(withText(R.string.settings)).perform(click());
+    }
+
+    @Test
+    public void testAbout()
+    {
+        Context context = InstrumentationRegistry.getContext();
+        openActionBarOverflowOrOptionsMenu(context);
+        onView(withText(R.string.about)).perform(click());
+        onView(isRoot()).perform(swipeUp());
+    }
+}

app/src/androidTest/java/org/isoron/uhabits/ShowHabitActivityActions.java

@@ -0,0 +1,34 @@
+/*
+ * Copyright (C) 2016 Álinson Santos Xavier <isoron@gmail.com>
+ *
+ * This file is part of Loop Habit Tracker.
+ *
+ * Loop Habit Tracker is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by the
+ * Free Software Foundation, either version 3 of the License, or (at your
+ * option) any later version.
+ *
+ * Loop Habit Tracker is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
+ * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
+ * more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+package org.isoron.uhabits;
+
+import static android.support.test.espresso.Espresso.onView;
+import static android.support.test.espresso.action.ViewActions.click;
+import static android.support.test.espresso.action.ViewActions.scrollTo;
+import static android.support.test.espresso.matcher.ViewMatchers.withId;
+
+public class ShowHabitActivityActions
+{
+    public static void openHistoryEditor()
+    {
+        onView(withId(R.id.btEditHistory))
+                .perform(scrollTo(), click());
+    }
+}

app/src/main/AndroidManifest.xml

@@ -1,12 +1,30 @@
 <?xml version="1.0" encoding="utf-8"?>
+<!--
+  ~ Copyright (C) 2016 Álinson Santos Xavier <isoron@gmail.com>
+  ~
+  ~ This file is part of Loop Habit Tracker.
+  ~
+  ~ Loop Habit Tracker is free software: you can redistribute it and/or modify
+  ~ it under the terms of the GNU General Public License as published by the
+  ~ Free Software Foundation, either version 3 of the License, or (at your
+  ~ option) any later version.
+  ~
+  ~ Loop Habit Tracker is distributed in the hope that it will be useful, but
+  ~ WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
+  ~ or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
+  ~ more details.
+  ~
+  ~ You should have received a copy of the GNU General Public License along
+  ~ with this program. If not, see <http://www.gnu.org/licenses/>.
+  -->
+
 <manifest
     package="org.isoron.uhabits"
     xmlns:android="http://schemas.android.com/apk/res/android"
-    android:versionCode="9"
-    android:versionName="1.2.0">
+    android:versionCode="13"
+    android:versionName="1.3.3">
 
-    <uses-permission
-        android:name="android.permission.VIBRATE"/>
+    <uses-permission android:name="android.permission.VIBRATE"/>
 
     <uses-permission
         android:name="android.permission.READ_EXTERNAL_STORAGE"
@@ -22,16 +40,15 @@
         android:backupAgent=".HabitsBackupAgent"
         android:icon="@mipmap/ic_launcher"
         android:label="@string/main_activity_title"
-        android:theme="@style/AppBaseTheme">
+        android:theme="@style/AppBaseTheme"
+        android:supportsRtl="true">
 
         <meta-data
             android:name="AA_DB_NAME"
             android:value="uhabits.db"/>
-
         <meta-data
             android:name="AA_DB_VERSION"
             android:value="12"/>
-
         <meta-data
             android:name="com.google.android.backup.api_key"
             android:value="AEdPqrEAAAAI6aeWncbnMNo8E5GWeZ44dlc5cQ7tCROwFhOtiw"/>
@@ -39,16 +56,13 @@
         <activity
             android:name=".MainActivity"
             android:label="@string/main_activity_title">
-            <intent-filter
-                android:label="@string/app_name">
+            <intent-filter android:label="@string/app_name">
                 <action android:name="android.intent.action.MAIN"/>
+
                 <category android:name="android.intent.category.LAUNCHER"/>
             </intent-filter>
         </activity>
 
-        <receiver
-            android:name=".HabitBroadcastReceiver"/>
-
         <activity
             android:name=".ShowHabitActivity"
             android:label="@string/title_activity_show_habit"
@@ -72,12 +86,27 @@
             android:label=""
             android:theme="@style/Theme.AppCompat.Light.NoActionBar"/>
 
+        <activity
+            android:name=".widgets.HabitPickerDialog"
+            android:theme="@style/Theme.AppCompat.Light.Dialog">
+            <intent-filter>
+                <action android:name="android.appwidget.action.APPWIDGET_CONFIGURE"/>
+            </intent-filter>
+        </activity>
+
+        <activity
+            android:name=".AboutActivity"
+            android:label="@string/about"
+            android:parentActivityName=".MainActivity">
+        </activity>
+
         <receiver
             android:name=".widgets.CheckmarkWidgetProvider"
-            android:label="Checkmark">
+            android:label="@string/checkmark">
             <intent-filter>
                 <action android:name="android.appwidget.action.APPWIDGET_UPDATE"/>
             </intent-filter>
+
             <meta-data
                 android:name="android.appwidget.provider"
                 android:resource="@xml/widget_checkmark_info"/>
@@ -85,10 +114,11 @@
 
         <receiver
             android:name=".widgets.HistoryWidgetProvider"
-            android:label="History">
+            android:label="@string/history">
             <intent-filter>
                 <action android:name="android.appwidget.action.APPWIDGET_UPDATE"/>
             </intent-filter>
+
             <meta-data
                 android:name="android.appwidget.provider"
                 android:resource="@xml/widget_history_info"/>
@@ -96,10 +126,11 @@
 
         <receiver
             android:name=".widgets.ScoreWidgetProvider"
-            android:label="Score">
+            android:label="@string/habit_strength">
             <intent-filter>
                 <action android:name="android.appwidget.action.APPWIDGET_UPDATE"/>
             </intent-filter>
+
             <meta-data
                 android:name="android.appwidget.provider"
                 android:resource="@xml/widget_score_info"/>
@@ -107,24 +138,29 @@
 
         <receiver
             android:name=".widgets.StreakWidgetProvider"
-            android:label="Streaks">
+            android:label="@string/streaks">
             <intent-filter>
                 <action android:name="android.appwidget.action.APPWIDGET_UPDATE"/>
             </intent-filter>
+
             <meta-data
                 android:name="android.appwidget.provider"
                 android:resource="@xml/widget_streak_info"/>
         </receiver>
 
-        <activity
-            android:name=".widgets.HabitPickerDialog"
-            android:theme="@style/Theme.AppCompat.Light.Dialog">
-
+        <receiver
+            android:name=".widgets.FrequencyWidgetProvider"
+            android:label="@string/frequency">
             <intent-filter>
-                <action android:name="android.appwidget.action.APPWIDGET_CONFIGURE"/>
+                <action android:name="android.appwidget.action.APPWIDGET_UPDATE"/>
             </intent-filter>
 
-        </activity>
+            <meta-data
+                android:name="android.appwidget.provider"
+                android:resource="@xml/widget_frequency_info"/>
+        </receiver>
+
+        <receiver android:name=".HabitBroadcastReceiver"/>
 
     </application>
 

app/src/main/java/org/isoron/helpers/ColorHelper.java

@@ -1,17 +1,20 @@
-/* Copyright (C) 2016 Alinson Santos Xavier
+/*
+ * Copyright (C) 2016 Álinson Santos Xavier <isoron@gmail.com>
  *
- * This program is free software: you can redistribute it and/or modify it
- * under the terms of the GNU General Public License as published by the Free
- * Software Foundation, either version 3 of the License, or (at your option)
- * any later version.
+ * This file is part of Loop Habit Tracker.
  *
- * This program is distributed in the hope that it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied  warranty of MERCHANTABILITY or
- * FITNESS  FOR  A PARTICULAR PURPOSE. See the GNU General Public License for
+ * Loop Habit Tracker is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by the
+ * Free Software Foundation, either version 3 of the License, or (at your
+ * option) any later version.
+ *
+ * Loop Habit Tracker is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
+ * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
  * more details.
  *
- * You  should  have  received  a  copy  of the GNU General Public License
- * along  with  this  program. If not, see <http://www.gnu.org/licenses/>.
+ * You should have received a copy of the GNU General Public License along
+ * with this program. If not, see <http://www.gnu.org/licenses/>.
  */
 
 package org.isoron.helpers;

app/src/main/java/org/isoron/helpers/Command.java

@@ -1,17 +1,20 @@
-/* Copyright (C) 2016 Alinson Santos Xavier
+/*
+ * Copyright (C) 2016 Álinson Santos Xavier <isoron@gmail.com>
  *
- * This program is free software: you can redistribute it and/or modify it
- * under the terms of the GNU General Public License as published by the Free
- * Software Foundation, either version 3 of the License, or (at your option)
- * any later version.
+ * This file is part of Loop Habit Tracker.
  *
- * This program is distributed in the hope that it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied  warranty of MERCHANTABILITY or
- * FITNESS  FOR  A PARTICULAR PURPOSE. See the GNU General Public License for
+ * Loop Habit Tracker is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by the
+ * Free Software Foundation, either version 3 of the License, or (at your
+ * option) any later version.
+ *
+ * Loop Habit Tracker is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
+ * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
  * more details.
  *
- * You  should  have  received  a  copy  of the GNU General Public License
- * along  with  this  program. If not, see <http://www.gnu.org/licenses/>.
+ * You should have received a copy of the GNU General Public License along
+ * with this program. If not, see <http://www.gnu.org/licenses/>.
  */
 
 package org.isoron.helpers;

app/src/main/java/org/isoron/helpers/DateHelper.java

@@ -1,17 +1,20 @@
-/* Copyright (C) 2016 Alinson Santos Xavier
+/*
+ * Copyright (C) 2016 Álinson Santos Xavier <isoron@gmail.com>
  *
- * This program is free software: you can redistribute it and/or modify it
- * under the terms of the GNU General Public License as published by the Free
- * Software Foundation, either version 3 of the License, or (at your option)
- * any later version.
+ * This file is part of Loop Habit Tracker.
  *
- * This program is distributed in the hope that it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied  warranty of MERCHANTABILITY or
- * FITNESS  FOR  A PARTICULAR PURPOSE. See the GNU General Public License for
+ * Loop Habit Tracker is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by the
+ * Free Software Foundation, either version 3 of the License, or (at your
+ * option) any later version.
+ *
+ * Loop Habit Tracker is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
+ * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
  * more details.
  *
- * You  should  have  received  a  copy  of the GNU General Public License
- * along  with  this  program. If not, see <http://www.gnu.org/licenses/>.
+ * You should have received a copy of the GNU General Public License along
+ * with this program. If not, see <http://www.gnu.org/licenses/>.
  */
 
 package org.isoron.helpers;
@@ -28,7 +31,7 @@ import java.util.TimeZone;
 
 public class DateHelper
 {
-    public static int millisecondsInOneDay = 24 * 60 * 60 * 1000;
+    public static long millisecondsInOneDay = 24 * 60 * 60 * 1000;
 
     public static long getLocalTime()
     {

app/src/main/java/org/isoron/helpers/DialogHelper.java

@@ -1,17 +1,20 @@
-/* Copyright (C) 2016 Alinson Santos Xavier
+/*
+ * Copyright (C) 2016 Álinson Santos Xavier <isoron@gmail.com>
  *
- * This program is free software: you can redistribute it and/or modify it
- * under the terms of the GNU General Public License as published by the Free
- * Software Foundation, either version 3 of the License, or (at your option)
- * any later version.
+ * This file is part of Loop Habit Tracker.
  *
- * This program is distributed in the hope that it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied  warranty of MERCHANTABILITY or
- * FITNESS  FOR  A PARTICULAR PURPOSE. See the GNU General Public License for
+ * Loop Habit Tracker is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by the
+ * Free Software Foundation, either version 3 of the License, or (at your
+ * option) any later version.
+ *
+ * Loop Habit Tracker is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
+ * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
  * more details.
  *
- * You  should  have  received  a  copy  of the GNU General Public License
- * along  with  this  program. If not, see <http://www.gnu.org/licenses/>.
+ * You should have received a copy of the GNU General Public License along
+ * with this program. If not, see <http://www.gnu.org/licenses/>.
  */
 
 package org.isoron.helpers;

app/src/main/java/org/isoron/helpers/ReplayableActivity.java

@@ -1,17 +1,20 @@
-/* Copyright (C) 2016 Alinson Santos Xavier
+/*
+ * Copyright (C) 2016 Álinson Santos Xavier <isoron@gmail.com>
  *
- * This program is free software: you can redistribute it and/or modify it
- * under the terms of the GNU General Public License as published by the Free
- * Software Foundation, either version 3 of the License, or (at your option)
- * any later version.
+ * This file is part of Loop Habit Tracker.
  *
- * This program is distributed in the hope that it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied  warranty of MERCHANTABILITY or
- * FITNESS  FOR  A PARTICULAR PURPOSE. See the GNU General Public License for
+ * Loop Habit Tracker is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by the
+ * Free Software Foundation, either version 3 of the License, or (at your
+ * option) any later version.
+ *
+ * Loop Habit Tracker is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
+ * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
  * more details.
  *
- * You  should  have  received  a  copy  of the GNU General Public License
- * along  with  this  program. If not, see <http://www.gnu.org/licenses/>.
+ * You should have received a copy of the GNU General Public License along
+ * with this program. If not, see <http://www.gnu.org/licenses/>.
  */
 
 package org.isoron.helpers;

app/src/main/java/org/isoron/uhabits/AboutActivity.java

@@ -0,0 +1,96 @@
+/*
+ * Copyright (C) 2016 Álinson Santos Xavier <isoron@gmail.com>
+ *
+ * This file is part of Loop Habit Tracker.
+ *
+ * Loop Habit Tracker is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by the
+ * Free Software Foundation, either version 3 of the License, or (at your
+ * option) any later version.
+ *
+ * Loop Habit Tracker is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
+ * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
+ * more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+package org.isoron.uhabits;
+
+import android.app.Activity;
+import android.content.Intent;
+import android.graphics.Color;
+import android.graphics.drawable.ColorDrawable;
+import android.net.Uri;
+import android.os.Bundle;
+import android.view.View;
+import android.widget.TextView;
+
+import org.isoron.helpers.ColorHelper;
+
+public class AboutActivity extends Activity implements View.OnClickListener
+{
+
+    @Override
+    protected void onCreate(Bundle savedInstanceState)
+    {
+        super.onCreate(savedInstanceState);
+        setContentView(R.layout.about);
+
+        if (android.os.Build.VERSION.SDK_INT >= 21)
+        {
+            int color = getResources().getColor(R.color.blue_700);
+            int darkerColor = ColorHelper.mixColors(color, Color.BLACK, 0.75f);
+            getActionBar().setBackgroundDrawable(new ColorDrawable(color));
+            getWindow().setStatusBarColor(darkerColor);
+        }
+
+        TextView tvVersion = (TextView) findViewById(R.id.tvVersion);
+        TextView tvRate = (TextView) findViewById(R.id.tvRate);
+        TextView tvFeedback = (TextView) findViewById(R.id.tvFeedback);
+        TextView tvSource = (TextView) findViewById(R.id.tvSource);
+
+        tvVersion.setText(String.format(getResources().getString(R.string.version_n),
+                BuildConfig.VERSION_NAME));
+        tvRate.setOnClickListener(this);
+        tvFeedback.setOnClickListener(this);
+        tvSource.setOnClickListener(this);
+    }
+
+    @Override
+    public void onClick(View v)
+    {
+        switch (v.getId())
+        {
+            case R.id.tvRate:
+            {
+                Intent intent = new Intent();
+                intent.setAction(Intent.ACTION_VIEW);
+                intent.setData(Uri.parse("market://details?id=org.isoron.uhabits"));
+                startActivity(intent);
+                break;
+            }
+
+            case R.id.tvFeedback:
+            {
+                Intent intent = new Intent();
+                intent.setAction(Intent.ACTION_SENDTO);
+                intent.setData(Uri.parse("mailto:isoron+habits@gmail.com?" +
+                                "subject=Feedback%20about%20Loop%20Habit%20Tracker"));
+                startActivity(intent);
+                break;
+            }
+
+            case R.id.tvSource:
+            {
+                Intent intent = new Intent();
+                intent.setAction(Intent.ACTION_VIEW);
+                intent.setData(Uri.parse("https://github.com/iSoron/uhabits"));
+                startActivity(intent);
+                break;
+            }
+        }
+    }
+}

app/src/main/java/org/isoron/uhabits/HabitBroadcastReceiver.java

@@ -1,17 +1,20 @@
-/* Copyright (C) 2016 Alinson Santos Xavier
+/*
+ * Copyright (C) 2016 Álinson Santos Xavier <isoron@gmail.com>
  *
- * This program is free software: you can redistribute it and/or modify it
- * under the terms of the GNU General Public License as published by the Free
- * Software Foundation, either version 3 of the License, or (at your option)
- * any later version.
+ * This file is part of Loop Habit Tracker.
  *
- * This program is distributed in the hope that it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied  warranty of MERCHANTABILITY or
- * FITNESS  FOR  A PARTICULAR PURPOSE. See the GNU General Public License for
+ * Loop Habit Tracker is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by the
+ * Free Software Foundation, either version 3 of the License, or (at your
+ * option) any later version.
+ *
+ * Loop Habit Tracker is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
+ * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
  * more details.
  *
- * You  should  have  received  a  copy  of the GNU General Public License
- * along  with  this  program. If not, see <http://www.gnu.org/licenses/>.
+ * You should have received a copy of the GNU General Public License along
+ * with this program. If not, see <http://www.gnu.org/licenses/>.
  */
 
 package org.isoron.uhabits;
@@ -88,10 +91,12 @@ public class HabitBroadcastReceiver extends BroadcastReceiver
         SharedPreferences prefs = PreferenceManager.getDefaultSharedPreferences(context);
         long delayMinutes = Long.parseLong(prefs.getString("pref_snooze_interval", "15"));
 
-        Habit habit = Habit.get(ContentUris.parseId(data));
+        long habitId = ContentUris.parseId(data);
+        Habit habit = Habit.get(habitId);
+        if(habit != null)
             ReminderHelper.createReminderAlarm(context, habit,
                     new Date().getTime() + delayMinutes * 60 * 1000);
-        dismissNotification(context, habit);
+        dismissNotification(context, habitId);
     }
 
     private void checkHabit(Context context, Intent intent)
@@ -99,11 +104,17 @@ public class HabitBroadcastReceiver extends BroadcastReceiver
         Uri data = intent.getData();
         Long timestamp = intent.getLongExtra("timestamp", DateHelper.getStartOfToday());
 
-        Habit habit = Habit.get(ContentUris.parseId(data));
+        long habitId = ContentUris.parseId(data);
+        Habit habit = Habit.get(habitId);
+        if(habit != null)
             habit.repetitions.toggle(timestamp);
-        habit.save();
-        dismissNotification(context, habit);
+        dismissNotification(context, habitId);
 
+        sendRefreshBroadcast(context);
+    }
+
+    public static void sendRefreshBroadcast(Context context)
+    {
         LocalBroadcastManager manager = LocalBroadcastManager.getInstance(context);
         Intent refreshIntent = new Intent(MainActivity.ACTION_REFRESH);
         manager.sendBroadcast(refreshIntent);
@@ -120,12 +131,12 @@ public class HabitBroadcastReceiver extends BroadcastReceiver
         }
     }
 
-    private void dismissNotification(Context context, Habit habit)
+    private void dismissNotification(Context context, Long habitId)
     {
         NotificationManager notificationManager =
                 (NotificationManager) context.getSystemService(Activity.NOTIFICATION_SERVICE);
 
-        int notificationId = (int) (habit.getId() % Integer.MAX_VALUE);
+        int notificationId = (int) (habitId % Integer.MAX_VALUE);
         notificationManager.cancel(notificationId);
     }
 
@@ -137,6 +148,7 @@ public class HabitBroadcastReceiver extends BroadcastReceiver
         Long timestamp = intent.getLongExtra("timestamp", DateHelper.getStartOfToday());
         Long reminderTime = intent.getLongExtra("reminderTime", DateHelper.getStartOfToday());
 
+        if (habit == null) return;
         if (habit.repetitions.hasImplicitRepToday()) return;
 
         habit.highlight = 1;

app/src/main/java/org/isoron/uhabits/HabitsBackupAgent.java

@@ -1,17 +1,20 @@
-/* Copyright (C) 2016 Alinson Santos Xavier
+/*
+ * Copyright (C) 2016 Álinson Santos Xavier <isoron@gmail.com>
  *
- * This program is free software: you can redistribute it and/or modify it
- * under the terms of the GNU General Public License as published by the Free
- * Software Foundation, either version 3 of the License, or (at your option)
- * any later version.
+ * This file is part of Loop Habit Tracker.
  *
- * This program is distributed in the hope that it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied  warranty of MERCHANTABILITY or
- * FITNESS  FOR  A PARTICULAR PURPOSE. See the GNU General Public License for
+ * Loop Habit Tracker is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by the
+ * Free Software Foundation, either version 3 of the License, or (at your
+ * option) any later version.
+ *
+ * Loop Habit Tracker is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
+ * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
  * more details.
  *
- * You  should  have  received  a  copy  of the GNU General Public License
- * along  with  this  program. If not, see <http://www.gnu.org/licenses/>.
+ * You should have received a copy of the GNU General Public License along
+ * with this program. If not, see <http://www.gnu.org/licenses/>.
  */
 
 package org.isoron.uhabits;

app/src/main/java/org/isoron/uhabits/IntroActivity.java

@@ -1,17 +1,20 @@
-/* Copyright (C) 2016 Alinson Santos Xavier
+/*
+ * Copyright (C) 2016 Álinson Santos Xavier <isoron@gmail.com>
  *
- * This program is free software: you can redistribute it and/or modify it
- * under the terms of the GNU General Public License as published by the Free
- * Software Foundation, either version 3 of the License, or (at your option)
- * any later version.
+ * This file is part of Loop Habit Tracker.
  *
- * This program is distributed in the hope that it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied  warranty of MERCHANTABILITY or
- * FITNESS  FOR  A PARTICULAR PURPOSE. See the GNU General Public License for
+ * Loop Habit Tracker is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by the
+ * Free Software Foundation, either version 3 of the License, or (at your
+ * option) any later version.
+ *
+ * Loop Habit Tracker is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
+ * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
  * more details.
  *
- * You  should  have  received  a  copy  of the GNU General Public License
- * along  with  this  program. If not, see <http://www.gnu.org/licenses/>.
+ * You should have received a copy of the GNU General Public License along
+ * with this program. If not, see <http://www.gnu.org/licenses/>.
  */
 
 package org.isoron.uhabits;

app/src/main/java/org/isoron/uhabits/MainActivity.java

@@ -1,17 +1,20 @@
-/* Copyright (C) 2016 Alinson Santos Xavier
+/*
+ * Copyright (C) 2016 Álinson Santos Xavier <isoron@gmail.com>
  *
- * This program is free software: you can redistribute it and/or modify it
- * under the terms of the GNU General Public License as published by the Free
- * Software Foundation, either version 3 of the License, or (at your option)
- * any later version.
+ * This file is part of Loop Habit Tracker.
  *
- * This program is distributed in the hope that it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied  warranty of MERCHANTABILITY or
- * FITNESS  FOR  A PARTICULAR PURPOSE. See the GNU General Public License for
+ * Loop Habit Tracker is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by the
+ * Free Software Foundation, either version 3 of the License, or (at your
+ * option) any later version.
+ *
+ * Loop Habit Tracker is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
+ * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
  * more details.
  *
- * You  should  have  received  a  copy  of the GNU General Public License
- * along  with  this  program. If not, see <http://www.gnu.org/licenses/>.
+ * You should have received a copy of the GNU General Public License along
+ * with this program. If not, see <http://www.gnu.org/licenses/>.
  */
 
 package org.isoron.uhabits;
@@ -38,6 +41,7 @@ import org.isoron.uhabits.fragments.ListHabitsFragment;
 import org.isoron.uhabits.helpers.ReminderHelper;
 import org.isoron.uhabits.models.Habit;
 import org.isoron.uhabits.widgets.CheckmarkWidgetProvider;
+import org.isoron.uhabits.widgets.FrequencyWidgetProvider;
 import org.isoron.uhabits.widgets.HistoryWidgetProvider;
 import org.isoron.uhabits.widgets.ScoreWidgetProvider;
 import org.isoron.uhabits.widgets.StreakWidgetProvider;
@@ -117,9 +121,18 @@ public class MainActivity extends ReplayableActivity
         switch (item.getItemId())
         {
             case R.id.action_settings:
+            {
                 Intent intent = new Intent(this, SettingsActivity.class);
                 startActivity(intent);
                 return true;
+            }
+
+            case R.id.action_about:
+            {
+                Intent intent = new Intent(this, AboutActivity.class);
+                startActivity(intent);
+                return true;
+            }
 
             default:
                 return super.onOptionsItemSelected(item);
@@ -138,7 +151,16 @@ public class MainActivity extends ReplayableActivity
     public void onPostExecuteCommand(Long refreshKey)
     {
         listHabitsFragment.onPostExecuteCommand(refreshKey);
-        updateWidgets(this);
+
+        new AsyncTask<Void, Void, Void>()
+        {
+            @Override
+            protected Void doInBackground(Void... params)
+            {
+                updateWidgets(MainActivity.this);
+                return null;
+            }
+        };
     }
 
     public static void updateWidgets(Context context)
@@ -147,6 +169,7 @@ public class MainActivity extends ReplayableActivity
         updateWidgets(context, HistoryWidgetProvider.class);
         updateWidgets(context, ScoreWidgetProvider.class);
         updateWidgets(context, StreakWidgetProvider.class);
+        updateWidgets(context, FrequencyWidgetProvider.class);
     }
 
     private static void updateWidgets(Context context, Class providerClass)

app/src/main/java/org/isoron/uhabits/SettingsActivity.java

@@ -1,17 +1,20 @@
-/* Copyright (C) 2016 Alinson Santos Xavier
+/*
+ * Copyright (C) 2016 Álinson Santos Xavier <isoron@gmail.com>
  *
- * This program is free software: you can redistribute it and/or modify it
- * under the terms of the GNU General Public License as published by the Free
- * Software Foundation, either version 3 of the License, or (at your option)
- * any later version.
+ * This file is part of Loop Habit Tracker.
  *
- * This program is distributed in the hope that it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied  warranty of MERCHANTABILITY or
- * FITNESS  FOR  A PARTICULAR PURPOSE. See the GNU General Public License for
+ * Loop Habit Tracker is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by the
+ * Free Software Foundation, either version 3 of the License, or (at your
+ * option) any later version.
+ *
+ * Loop Habit Tracker is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
+ * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
  * more details.
  *
- * You  should  have  received  a  copy  of the GNU General Public License
- * along  with  this  program. If not, see <http://www.gnu.org/licenses/>.
+ * You should have received a copy of the GNU General Public License along
+ * with this program. If not, see <http://www.gnu.org/licenses/>.
  */
 
 package org.isoron.uhabits;

app/src/main/java/org/isoron/uhabits/ShowHabitActivity.java

@@ -1,36 +1,47 @@
-/* Copyright (C) 2016 Alinson Santos Xavier
+/*
+ * Copyright (C) 2016 Álinson Santos Xavier <isoron@gmail.com>
  *
- * This program is free software: you can redistribute it and/or modify it
- * under the terms of the GNU General Public License as published by the Free
- * Software Foundation, either version 3 of the License, or (at your option)
- * any later version.
+ * This file is part of Loop Habit Tracker.
  *
- * This program is distributed in the hope that it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied  warranty of MERCHANTABILITY or
- * FITNESS  FOR  A PARTICULAR PURPOSE. See the GNU General Public License for
+ * Loop Habit Tracker is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by the
+ * Free Software Foundation, either version 3 of the License, or (at your
+ * option) any later version.
+ *
+ * Loop Habit Tracker is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
+ * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
  * more details.
  *
- * You  should  have  received  a  copy  of the GNU General Public License
- * along  with  this  program. If not, see <http://www.gnu.org/licenses/>.
+ * You should have received a copy of the GNU General Public License along
+ * with this program. If not, see <http://www.gnu.org/licenses/>.
  */
 
 package org.isoron.uhabits;
 
+import android.app.ActionBar;
+import android.content.BroadcastReceiver;
 import android.content.ContentUris;
+import android.content.Context;
 import android.content.Intent;
+import android.content.IntentFilter;
 import android.graphics.drawable.ColorDrawable;
 import android.net.Uri;
 import android.os.Bundle;
-import android.view.Menu;
-import android.view.MenuItem;
+import android.support.v4.content.LocalBroadcastManager;
 
 import org.isoron.helpers.ReplayableActivity;
+import org.isoron.uhabits.fragments.ShowHabitFragment;
 import org.isoron.uhabits.models.Habit;
 
 public class ShowHabitActivity extends ReplayableActivity
 {
 
     public Habit habit;
+    private Receiver receiver;
+    private LocalBroadcastManager localBroadcastManager;
+
+    private ShowHabitFragment fragment;
 
     @Override
     protected void onCreate(Bundle savedInstanceState)
@@ -39,34 +50,39 @@ public class ShowHabitActivity extends ReplayableActivity
 
         Uri data = getIntent().getData();
         habit = Habit.get(ContentUris.parseId(data));
-        getActionBar().setTitle(habit.name);
+        ActionBar actionBar = getActionBar();
+
+        if(actionBar != null)
+        {
+            actionBar.setTitle(habit.name);
 
             if (android.os.Build.VERSION.SDK_INT >= 21)
-        {
-            getActionBar().setBackgroundDrawable(new ColorDrawable(habit.color));
+                actionBar.setBackgroundDrawable(new ColorDrawable(habit.color));
         }
 
         setContentView(R.layout.show_habit_activity);
+
+        fragment = (ShowHabitFragment) getFragmentManager().findFragmentById(R.id.fragment2);
+
+        receiver = new Receiver();
+        localBroadcastManager = LocalBroadcastManager.getInstance(this);
+        localBroadcastManager.registerReceiver(receiver,
+                new IntentFilter(MainActivity.ACTION_REFRESH));
+    }
+
+    class Receiver extends BroadcastReceiver
+    {
+        @Override
+        public void onReceive(Context context, Intent intent)
+        {
+            fragment.refreshData();
+        }
     }
 
     @Override
-    public boolean onCreateOptionsMenu(Menu menu)
+    protected void onDestroy()
     {
-        getMenuInflater().inflate(R.menu.show_habit_activity_menu, menu);
-        return true;
-    }
-
-    @Override
-    public boolean onOptionsItemSelected(MenuItem item)
-    {
-        switch (item.getItemId())
-        {
-            case R.id.action_settings:
-                Intent intent = new Intent(this, SettingsActivity.class);
-                startActivity(intent);
-                return true;
-        }
-
-        return super.onOptionsItemSelected(item);
+        localBroadcastManager.unregisterReceiver(receiver);
+        super.onDestroy();
     }
 }

app/src/main/java/org/isoron/uhabits/commands/ArchiveHabitsCommand.java

@@ -1,17 +1,20 @@
-/* Copyright (C) 2016 Alinson Santos Xavier
+/*
+ * Copyright (C) 2016 Álinson Santos Xavier <isoron@gmail.com>
  *
- * This program is free software: you can redistribute it and/or modify it
- * under the terms of the GNU General Public License as published by the Free
- * Software Foundation, either version 3 of the License, or (at your option)
- * any later version.
+ * This file is part of Loop Habit Tracker.
  *
- * This program is distributed in the hope that it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied  warranty of MERCHANTABILITY or
- * FITNESS  FOR  A PARTICULAR PURPOSE. See the GNU General Public License for
+ * Loop Habit Tracker is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by the
+ * Free Software Foundation, either version 3 of the License, or (at your
+ * option) any later version.
+ *
+ * Loop Habit Tracker is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
+ * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
  * more details.
  *
- * You  should  have  received  a  copy  of the GNU General Public License
- * along  with  this  program. If not, see <http://www.gnu.org/licenses/>.
+ * You should have received a copy of the GNU General Public License along
+ * with this program. If not, see <http://www.gnu.org/licenses/>.
  */
 
 package org.isoron.uhabits.commands;

app/src/main/java/org/isoron/uhabits/commands/ChangeHabitColorCommand.java

@@ -1,17 +1,20 @@
-/* Copyright (C) 2016 Alinson Santos Xavier
+/*
+ * Copyright (C) 2016 Álinson Santos Xavier <isoron@gmail.com>
  *
- * This program is free software: you can redistribute it and/or modify it
- * under the terms of the GNU General Public License as published by the Free
- * Software Foundation, either version 3 of the License, or (at your option)
- * any later version.
+ * This file is part of Loop Habit Tracker.
  *
- * This program is distributed in the hope that it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied  warranty of MERCHANTABILITY or
- * FITNESS  FOR  A PARTICULAR PURPOSE. See the GNU General Public License for
+ * Loop Habit Tracker is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by the
+ * Free Software Foundation, either version 3 of the License, or (at your
+ * option) any later version.
+ *
+ * Loop Habit Tracker is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
+ * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
  * more details.
  *
- * You  should  have  received  a  copy  of the GNU General Public License
- * along  with  this  program. If not, see <http://www.gnu.org/licenses/>.
+ * You should have received a copy of the GNU General Public License along
+ * with this program. If not, see <http://www.gnu.org/licenses/>.
  */
 
 package org.isoron.uhabits.commands;

app/src/main/java/org/isoron/uhabits/commands/CreateHabitCommand.java

@@ -1,17 +1,20 @@
-/* Copyright (C) 2016 Alinson Santos Xavier
+/*
+ * Copyright (C) 2016 Álinson Santos Xavier <isoron@gmail.com>
  *
- * This program is free software: you can redistribute it and/or modify it
- * under the terms of the GNU General Public License as published by the Free
- * Software Foundation, either version 3 of the License, or (at your option)
- * any later version.
+ * This file is part of Loop Habit Tracker.
  *
- * This program is distributed in the hope that it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied  warranty of MERCHANTABILITY or
- * FITNESS  FOR  A PARTICULAR PURPOSE. See the GNU General Public License for
+ * Loop Habit Tracker is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by the
+ * Free Software Foundation, either version 3 of the License, or (at your
+ * option) any later version.
+ *
+ * Loop Habit Tracker is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
+ * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
  * more details.
  *
- * You  should  have  received  a  copy  of the GNU General Public License
- * along  with  this  program. If not, see <http://www.gnu.org/licenses/>.
+ * You should have received a copy of the GNU General Public License along
+ * with this program. If not, see <http://www.gnu.org/licenses/>.
  */
 
 package org.isoron.uhabits.commands;

app/src/main/java/org/isoron/uhabits/commands/DeleteHabitsCommand.java

@@ -1,17 +1,20 @@
-/* Copyright (C) 2016 Alinson Santos Xavier
+/*
+ * Copyright (C) 2016 Álinson Santos Xavier <isoron@gmail.com>
  *
- * This program is free software: you can redistribute it and/or modify it
- * under the terms of the GNU General Public License as published by the Free
- * Software Foundation, either version 3 of the License, or (at your option)
- * any later version.
+ * This file is part of Loop Habit Tracker.
  *
- * This program is distributed in the hope that it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied  warranty of MERCHANTABILITY or
- * FITNESS  FOR  A PARTICULAR PURPOSE. See the GNU General Public License for
+ * Loop Habit Tracker is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by the
+ * Free Software Foundation, either version 3 of the License, or (at your
+ * option) any later version.
+ *
+ * Loop Habit Tracker is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
+ * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
  * more details.
  *
- * You  should  have  received  a  copy  of the GNU General Public License
- * along  with  this  program. If not, see <http://www.gnu.org/licenses/>.
+ * You should have received a copy of the GNU General Public License along
+ * with this program. If not, see <http://www.gnu.org/licenses/>.
  */
 
 package org.isoron.uhabits.commands;
@@ -36,12 +39,14 @@ public class DeleteHabitsCommand extends Command
     {
         for(Habit h : habits)
             h.cascadeDelete();
+
+        Habit.rebuildOrder();
     }
 
     @Override
     public void undo()
     {
-
+        throw new UnsupportedOperationException();
     }
 
     public Integer getExecuteStringId()

app/src/main/java/org/isoron/uhabits/commands/EditHabitCommand.java

@@ -1,17 +1,20 @@
-/* Copyright (C) 2016 Alinson Santos Xavier
+/*
+ * Copyright (C) 2016 Álinson Santos Xavier <isoron@gmail.com>
  *
- * This program is free software: you can redistribute it and/or modify it
- * under the terms of the GNU General Public License as published by the Free
- * Software Foundation, either version 3 of the License, or (at your option)
- * any later version.
+ * This file is part of Loop Habit Tracker.
  *
- * This program is distributed in the hope that it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied  warranty of MERCHANTABILITY or
- * FITNESS  FOR  A PARTICULAR PURPOSE. See the GNU General Public License for
+ * Loop Habit Tracker is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by the
+ * Free Software Foundation, either version 3 of the License, or (at your
+ * option) any later version.
+ *
+ * Loop Habit Tracker is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
+ * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
  * more details.
  *
- * You  should  have  received  a  copy  of the GNU General Public License
- * along  with  this  program. If not, see <http://www.gnu.org/licenses/>.
+ * You should have received a copy of the GNU General Public License along
+ * with this program. If not, see <http://www.gnu.org/licenses/>.
  */
 
 package org.isoron.uhabits.commands;
@@ -33,8 +36,8 @@ public class EditHabitCommand extends Command
         this.modified = new Habit(modified);
         this.original = new Habit(original);
 
-        hasIntervalChanged = (this.original.freqDen != this.modified.freqDen ||
-                this.original.freqNum != this.modified.freqNum);
+        hasIntervalChanged = (!this.original.freqDen.equals(this.modified.freqDen) ||
+                !this.original.freqNum.equals(this.modified.freqNum));
     }
 
     public void execute()

app/src/main/java/org/isoron/uhabits/commands/ToggleRepetitionCommand.java

@@ -1,17 +1,20 @@
-/* Copyright (C) 2016 Alinson Santos Xavier
+/*
+ * Copyright (C) 2016 Álinson Santos Xavier <isoron@gmail.com>
  *
- * This program is free software: you can redistribute it and/or modify it
- * under the terms of the GNU General Public License as published by the Free
- * Software Foundation, either version 3 of the License, or (at your option)
- * any later version.
+ * This file is part of Loop Habit Tracker.
  *
- * This program is distributed in the hope that it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied  warranty of MERCHANTABILITY or
- * FITNESS  FOR  A PARTICULAR PURPOSE. See the GNU General Public License for
+ * Loop Habit Tracker is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by the
+ * Free Software Foundation, either version 3 of the License, or (at your
+ * option) any later version.
+ *
+ * Loop Habit Tracker is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
+ * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
  * more details.
  *
- * You  should  have  received  a  copy  of the GNU General Public License
- * along  with  this  program. If not, see <http://www.gnu.org/licenses/>.
+ * You should have received a copy of the GNU General Public License along
+ * with this program. If not, see <http://www.gnu.org/licenses/>.
  */
 
 package org.isoron.uhabits.commands;

app/src/main/java/org/isoron/uhabits/commands/UnarchiveHabitsCommand.java

@@ -1,17 +1,20 @@
-/* Copyright (C) 2016 Alinson Santos Xavier
+/*
+ * Copyright (C) 2016 Álinson Santos Xavier <isoron@gmail.com>
  *
- * This program is free software: you can redistribute it and/or modify it
- * under the terms of the GNU General Public License as published by the Free
- * Software Foundation, either version 3 of the License, or (at your option)
- * any later version.
+ * This file is part of Loop Habit Tracker.
  *
- * This program is distributed in the hope that it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied  warranty of MERCHANTABILITY or
- * FITNESS  FOR  A PARTICULAR PURPOSE. See the GNU General Public License for
+ * Loop Habit Tracker is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by the
+ * Free Software Foundation, either version 3 of the License, or (at your
+ * option) any later version.
+ *
+ * Loop Habit Tracker is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
+ * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
  * more details.
  *
- * You  should  have  received  a  copy  of the GNU General Public License
- * along  with  this  program. If not, see <http://www.gnu.org/licenses/>.
+ * You should have received a copy of the GNU General Public License along
+ * with this program. If not, see <http://www.gnu.org/licenses/>.
  */
 
 package org.isoron.uhabits.commands;

app/src/main/java/org/isoron/uhabits/dialogs/HabitSelectionCallback.java

@@ -0,0 +1,267 @@
+/*
+ * Copyright (C) 2016 Álinson Santos Xavier <isoron@gmail.com>
+ *
+ * This file is part of Loop Habit Tracker.
+ *
+ * Loop Habit Tracker is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by the
+ * Free Software Foundation, either version 3 of the License, or (at your
+ * option) any later version.
+ *
+ * Loop Habit Tracker is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
+ * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
+ * more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+package org.isoron.uhabits.dialogs;
+
+import android.app.AlertDialog;
+import android.content.DialogInterface;
+import android.content.Intent;
+import android.net.Uri;
+import android.os.AsyncTask;
+import android.view.ActionMode;
+import android.view.Menu;
+import android.view.MenuItem;
+import android.view.View;
+import android.widget.ProgressBar;
+
+import com.android.colorpicker.ColorPickerDialog;
+import com.android.colorpicker.ColorPickerSwatch;
+
+import org.isoron.helpers.ColorHelper;
+import org.isoron.helpers.DialogHelper;
+import org.isoron.helpers.ReplayableActivity;
+import org.isoron.uhabits.R;
+import org.isoron.uhabits.commands.ArchiveHabitsCommand;
+import org.isoron.uhabits.commands.ChangeHabitColorCommand;
+import org.isoron.uhabits.commands.DeleteHabitsCommand;
+import org.isoron.uhabits.commands.UnarchiveHabitsCommand;
+import org.isoron.uhabits.fragments.EditHabitFragment;
+import org.isoron.uhabits.io.CSVExporter;
+import org.isoron.uhabits.loaders.HabitListLoader;
+import org.isoron.uhabits.models.Habit;
+
+import java.io.File;
+import java.util.LinkedList;
+import java.util.List;
+
+public class HabitSelectionCallback implements ActionMode.Callback
+{
+    private HabitListLoader loader;
+    private List<Integer> selectedPositions;
+    private ReplayableActivity activity;
+    private Listener listener;
+    private DialogHelper.OnSavedListener onSavedListener;
+    private ProgressBar progressBar;
+
+    public interface Listener
+    {
+        void onActionModeDestroyed(ActionMode mode);
+    }
+
+    public HabitSelectionCallback(ReplayableActivity activity, HabitListLoader loader)
+    {
+        this.activity = activity;
+        this.loader = loader;
+        selectedPositions = new LinkedList<>();
+    }
+
+    public void setListener(Listener listener)
+    {
+        this.listener = listener;
+    }
+
+    public void setProgressBar(ProgressBar progressBar)
+    {
+        this.progressBar = progressBar;
+    }
+
+    public void setOnSavedListener(DialogHelper.OnSavedListener onSavedListener)
+    {
+        this.onSavedListener = onSavedListener;
+    }
+
+    public void setSelectedPositions(List<Integer> selectedPositions)
+    {
+        this.selectedPositions = selectedPositions;
+    }
+
+    @Override
+    public boolean onCreateActionMode(ActionMode mode, Menu menu)
+    {
+        activity.getMenuInflater().inflate(R.menu.list_habits_context, menu);
+        updateTitle(mode);
+        updateActions(menu);
+        return true;
+    }
+
+    @Override
+    public boolean onPrepareActionMode(ActionMode mode, Menu menu)
+    {
+        updateTitle(mode);
+        updateActions(menu);
+        return true;
+    }
+
+    private void updateActions(Menu menu)
+    {
+        boolean showEdit = (selectedPositions.size() == 1);
+        boolean showArchive = true;
+        boolean showUnarchive = true;
+        for (int i : selectedPositions)
+        {
+            Habit h = loader.habitsList.get(i);
+            if (h.isArchived())
+            {
+                showArchive = false;
+            }
+            else showUnarchive = false;
+        }
+
+        MenuItem itemEdit = menu.findItem(R.id.action_edit_habit);
+        MenuItem itemColor = menu.findItem(R.id.action_color);
+        MenuItem itemArchive = menu.findItem(R.id.action_archive_habit);
+        MenuItem itemUnarchive = menu.findItem(R.id.action_unarchive_habit);
+
+        itemColor.setVisible(true);
+        itemEdit.setVisible(showEdit);
+        itemArchive.setVisible(showArchive);
+        itemUnarchive.setVisible(showUnarchive);
+    }
+
+    private void updateTitle(ActionMode mode)
+    {
+        mode.setTitle("" + selectedPositions.size());
+    }
+
+    @Override
+    public boolean onActionItemClicked(final ActionMode mode, MenuItem item)
+    {
+        final LinkedList<Habit> selectedHabits = new LinkedList<>();
+        for (int i : selectedPositions)
+            selectedHabits.add(loader.habitsList.get(i));
+
+        Habit firstHabit = selectedHabits.getFirst();
+
+        switch (item.getItemId())
+        {
+            case R.id.action_archive_habit:
+                activity.executeCommand(new ArchiveHabitsCommand(selectedHabits), null);
+                mode.finish();
+                return true;
+
+            case R.id.action_unarchive_habit:
+                activity.executeCommand(new UnarchiveHabitsCommand(selectedHabits), null);
+                mode.finish();
+                return true;
+
+            case R.id.action_edit_habit:
+            {
+                EditHabitFragment frag = EditHabitFragment.editSingleHabitFragment(firstHabit.getId());
+                frag.setOnSavedListener(onSavedListener);
+                frag.show(activity.getFragmentManager(), "editHabit");
+                return true;
+            }
+
+            case R.id.action_color:
+            {
+                ColorPickerDialog picker = ColorPickerDialog.newInstance(R.string.color_picker_default_title,
+                        ColorHelper.palette, firstHabit.color, 4, ColorPickerDialog.SIZE_SMALL);
+
+                picker.setOnColorSelectedListener(new ColorPickerSwatch.OnColorSelectedListener()
+                        {
+                            public void onColorSelected(int color)
+                            {
+                                activity.executeCommand(
+                                        new ChangeHabitColorCommand(selectedHabits, color), null);
+                                mode.finish();
+                            }
+                        });
+                picker.show(activity.getFragmentManager(), "picker");
+                return true;
+            }
+
+            case R.id.action_delete:
+            {
+                new AlertDialog.Builder(activity).setTitle(R.string.delete_habits)
+                        .setMessage(R.string.delete_habits_message)
+                        .setPositiveButton(android.R.string.yes,
+                                new DialogInterface.OnClickListener()
+                                {
+                                    @Override
+                                    public void onClick(DialogInterface dialog, int which)
+                                    {
+                                        activity.executeCommand(
+                                                new DeleteHabitsCommand(selectedHabits), null);
+                                        mode.finish();
+                                    }
+                                }).setNegativeButton(android.R.string.no, null)
+                        .show();
+
+                return true;
+            }
+
+            case R.id.action_export_csv:
+            {
+                onExportHabitsClick(selectedHabits);
+                return true;
+            }
+        }
+
+        return false;
+    }
+
+    @Override
+    public void onDestroyActionMode(ActionMode mode)
+    {
+        if(listener != null) listener.onActionModeDestroyed(mode);
+    }
+
+    private void onExportHabitsClick(final LinkedList<Habit> selectedHabits)
+    {
+        new AsyncTask<Void, Void, Void>()
+        {
+            String filename;
+
+            @Override
+            protected void onPreExecute()
+            {
+                if(progressBar != null)
+                {
+                    progressBar.setIndeterminate(true);
+                    progressBar.setVisibility(View.VISIBLE);
+                }
+            }
+
+            @Override
+            protected void onPostExecute(Void aVoid)
+            {
+                if(filename != null)
+                {
+                    Intent intent = new Intent();
+                    intent.setAction(Intent.ACTION_SEND);
+                    intent.setType("application/zip");
+                    intent.putExtra(Intent.EXTRA_STREAM, Uri.fromFile(new File(filename)));
+
+                    activity.startActivity(intent);
+                }
+
+                if(progressBar != null)
+                    progressBar.setVisibility(View.GONE);
+            }
+
+            @Override
+            protected Void doInBackground(Void... params)
+            {
+                CSVExporter exporter = new CSVExporter(activity, selectedHabits);
+                filename = exporter.writeArchive();
+                return null;
+            }
+        }.execute();
+    }
+}

app/src/main/java/org/isoron/uhabits/dialogs/HintManager.java

@@ -0,0 +1,81 @@
+/*
+ * Copyright (C) 2016 Álinson Santos Xavier <isoron@gmail.com>
+ *
+ * This file is part of Loop Habit Tracker.
+ *
+ * Loop Habit Tracker is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by the
+ * Free Software Foundation, either version 3 of the License, or (at your
+ * option) any later version.
+ *
+ * Loop Habit Tracker is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
+ * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
+ * more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+package org.isoron.uhabits.dialogs;
+
+import android.animation.Animator;
+import android.animation.AnimatorListenerAdapter;
+import android.content.Context;
+import android.content.SharedPreferences;
+import android.preference.PreferenceManager;
+import android.view.View;
+import android.widget.TextView;
+
+import org.isoron.helpers.DateHelper;
+import org.isoron.uhabits.R;
+
+public class HintManager
+{
+    private Context context;
+    private SharedPreferences prefs;
+    private View hintView;
+
+    public HintManager(Context context, View hintView)
+    {
+        this.context = context;
+        this.hintView = hintView;
+        prefs = PreferenceManager.getDefaultSharedPreferences(context);
+    }
+
+    public void dismissHint()
+    {
+        hintView.animate().alpha(0f).setDuration(500).setListener(new AnimatorListenerAdapter()
+        {
+            @Override
+            public void onAnimationEnd(Animator animation)
+            {
+                hintView.setVisibility(View.GONE);
+            }
+        });
+    }
+
+    public void showHintIfAppropriate()
+    {
+        Integer lastHintNumber = prefs.getInt("last_hint_number", -1);
+        Long lastHintTimestamp = prefs.getLong("last_hint_timestamp", -1);
+
+        if (DateHelper.getStartOfToday() > lastHintTimestamp) showHint(lastHintNumber + 1);
+    }
+
+    private void showHint(int hintNumber)
+    {
+        String[] hints = context.getResources().getStringArray(R.array.hints);
+        if (hintNumber >= hints.length) return;
+
+        prefs.edit().putInt("last_hint_number", hintNumber).apply();
+        prefs.edit().putLong("last_hint_timestamp", DateHelper.getStartOfToday()).apply();
+
+        TextView tvContent = (TextView) hintView.findViewById(R.id.hintContent);
+        tvContent.setText(hints[hintNumber]);
+
+        hintView.setAlpha(0.0f);
+        hintView.setVisibility(View.VISIBLE);
+        hintView.animate().alpha(1f).setDuration(500);
+    }
+}

app/src/main/java/org/isoron/uhabits/dialogs/HistoryEditorDialog.java

@@ -0,0 +1,115 @@
+/*
+ * Copyright (C) 2016 Álinson Santos Xavier <isoron@gmail.com>
+ *
+ * This file is part of Loop Habit Tracker.
+ *
+ * Loop Habit Tracker is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by the
+ * Free Software Foundation, either version 3 of the License, or (at your
+ * option) any later version.
+ *
+ * Loop Habit Tracker is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
+ * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
+ * more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+package org.isoron.uhabits.dialogs;
+
+import android.app.AlertDialog;
+import android.app.Dialog;
+import android.app.DialogFragment;
+import android.content.Context;
+import android.content.DialogInterface;
+import android.os.Bundle;
+import android.util.DisplayMetrics;
+import android.util.Log;
+
+import org.isoron.uhabits.R;
+import org.isoron.uhabits.models.Habit;
+import org.isoron.uhabits.views.HabitHistoryView;
+
+public class HistoryEditorDialog extends DialogFragment
+    implements DialogInterface.OnClickListener
+{
+    private Habit habit;
+    private Listener listener;
+    HabitHistoryView historyView;
+
+    @Override
+    public Dialog onCreateDialog(Bundle savedInstanceState)
+    {
+        Context context = getActivity();
+        historyView = new HabitHistoryView(context, null);
+        int p = (int) getResources().getDimension(R.dimen.history_editor_padding);
+
+        if(savedInstanceState != null)
+        {
+            long id = savedInstanceState.getLong("habit", -1);
+            if(id > 0) this.habit = Habit.get(id);
+        }
+
+        historyView.setPadding(p, 0, p, 0);
+        historyView.setHabit(habit);
+        historyView.setIsEditable(true);
+
+        AlertDialog.Builder builder = new AlertDialog.Builder(context);
+        builder.setTitle(R.string.history)
+                .setView(historyView)
+                .setPositiveButton(android.R.string.ok, this);
+
+        return builder.create();
+    }
+
+    @Override
+    public void onResume()
+    {
+        super.onResume();
+
+        DisplayMetrics metrics = getResources().getDisplayMetrics();
+        int maxHeight = getResources().getDimensionPixelSize(R.dimen.history_editor_max_height);
+        int width = metrics.widthPixels;
+        int height = Math.min(metrics.heightPixels, maxHeight);
+
+        Log.d("HistoryEditorDialog", String.format("h=%d max_h=%d", height, maxHeight));
+
+        getDialog().getWindow().setLayout(width, height);
+    }
+
+    @Override
+    public void onClick(DialogInterface dialog, int which)
+    {
+        dismiss();
+    }
+
+    public void setHabit(Habit habit)
+    {
+        this.habit = habit;
+        if(historyView != null) historyView.setHabit(habit);
+    }
+
+    @Override
+    public void onPause()
+    {
+        super.onPause();
+        if(listener != null) listener.onHistoryEditorClosed();
+    }
+
+    @Override
+    public void onSaveInstanceState(Bundle outState)
+    {
+        outState.putLong("habit", habit.getId());
+    }
+
+    public void setListener(Listener listener)
+    {
+        this.listener = listener;
+    }
+
+    public interface Listener {
+        void onHistoryEditorClosed();
+    }
+}

app/src/main/java/org/isoron/uhabits/dialogs/WeekdayPickerDialog.java

@@ -1,3 +1,22 @@
+/*
+ * Copyright (C) 2016 Álinson Santos Xavier <isoron@gmail.com>
+ *
+ * This file is part of Loop Habit Tracker.
+ *
+ * Loop Habit Tracker is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by the
+ * Free Software Foundation, either version 3 of the License, or (at your
+ * option) any later version.
+ *
+ * Loop Habit Tracker is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
+ * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
+ * more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
 package org.isoron.uhabits.dialogs;
 
 import android.app.AlertDialog;

app/src/main/java/org/isoron/uhabits/fragments/EditHabitFragment.java

@@ -1,17 +1,20 @@
-/* Copyright (C) 2016 Alinson Santos Xavier
+/*
+ * Copyright (C) 2016 Álinson Santos Xavier <isoron@gmail.com>
  *
- * This program is free software: you can redistribute it and/or modify it
- * under the terms of the GNU General Public License as published by the Free
- * Software Foundation, either version 3 of the License, or (at your option)
- * any later version.
+ * This file is part of Loop Habit Tracker.
  *
- * This program is distributed in the hope that it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied  warranty of MERCHANTABILITY or
- * FITNESS  FOR  A PARTICULAR PURPOSE. See the GNU General Public License for
+ * Loop Habit Tracker is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by the
+ * Free Software Foundation, either version 3 of the License, or (at your
+ * option) any later version.
+ *
+ * Loop Habit Tracker is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
+ * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
  * more details.
  *
- * You  should  have  received  a  copy  of the GNU General Public License
- * along  with  this  program. If not, see <http://www.gnu.org/licenses/>.
+ * You should have received a copy of the GNU General Public License along
+ * with this program. If not, see <http://www.gnu.org/licenses/>.
  */
 
 package org.isoron.uhabits.fragments;
@@ -57,13 +60,20 @@ public class EditHabitFragment extends DialogFragment
 
     private OnSavedListener onSavedListener;
 
-    private Habit originalHabit, modifiedHabit;
-    private TextView tvName, tvDescription, tvFreqNum, tvFreqDen, tvReminderTime, tvReminderDays;
+    private Habit originalHabit;
+    private Habit modifiedHabit;
+
+    private TextView tvName;
+    private TextView tvDescription;
+    private TextView tvFreqNum;
+    private TextView tvFreqDen;
+    private TextView tvReminderTime;
+    private TextView tvReminderDays;
 
     private SharedPreferences prefs;
     private boolean is24HourMode;
 
-    static EditHabitFragment editSingleHabitFragment(long id)
+    public static EditHabitFragment editSingleHabitFragment(long id)
     {
         EditHabitFragment frag = new EditHabitFragment();
         Bundle args = new Bundle();
@@ -73,7 +83,7 @@ public class EditHabitFragment extends DialogFragment
         return frag;
     }
 
-    static EditHabitFragment createHabitFragment()
+    public static EditHabitFragment createHabitFragment()
     {
         EditHabitFragment frag = new EditHabitFragment();
         Bundle args = new Bundle();
@@ -96,13 +106,13 @@ public class EditHabitFragment extends DialogFragment
 
         Button buttonSave = (Button) view.findViewById(R.id.buttonSave);
         Button buttonDiscard = (Button) view.findViewById(R.id.buttonDiscard);
+        ImageButton buttonPickColor = (ImageButton) view.findViewById(R.id.buttonPickColor);
 
         buttonSave.setOnClickListener(this);
         buttonDiscard.setOnClickListener(this);
         tvReminderTime.setOnClickListener(this);
         tvReminderDays.setOnClickListener(this);
-
-        ImageButton buttonPickColor = (ImageButton) view.findViewById(R.id.buttonPickColor);
+        buttonPickColor.setOnClickListener(this);
 
         prefs = PreferenceManager.getDefaultSharedPreferences(getActivity());
 
@@ -134,14 +144,27 @@ public class EditHabitFragment extends DialogFragment
             tvDescription.append(modifiedHabit.description);
         }
 
+        if(savedInstanceState != null)
+        {
+            modifiedHabit.color = savedInstanceState.getInt("color", modifiedHabit.color);
+            modifiedHabit.reminderMin = savedInstanceState.getInt("reminderMin", -1);
+            modifiedHabit.reminderHour = savedInstanceState.getInt("reminderHour", -1);
+            modifiedHabit.reminderDays = savedInstanceState.getInt("reminderDays", -1);
+
+            if(modifiedHabit.reminderMin < 0)
+            {
+                modifiedHabit.reminderMin = null;
+                modifiedHabit.reminderHour = null;
+                modifiedHabit.reminderDays = 127;
+            }
+        }
+
         tvFreqNum.append(modifiedHabit.freqNum.toString());
         tvFreqDen.append(modifiedHabit.freqDen.toString());
 
         changeColor(modifiedHabit.color);
         updateReminder();
 
-        buttonPickColor.setOnClickListener(this);
-
         return view;
     }
 
@@ -225,12 +248,12 @@ public class EditHabitFragment extends DialogFragment
 
     private void onSaveButtonClick()
     {
-        Command command = null;
-
         modifiedHabit.name = tvName.getText().toString().trim();
         modifiedHabit.description = tvDescription.getText().toString().trim();
-        modifiedHabit.freqNum = Integer.parseInt(tvFreqNum.getText().toString());
-        modifiedHabit.freqDen = Integer.parseInt(tvFreqDen.getText().toString());
+        String freqNum = tvFreqNum.getText().toString();
+        String freqDen = tvFreqDen.getText().toString();
+        if(!freqNum.isEmpty()) modifiedHabit.freqNum =  Integer.parseInt(freqNum);
+        if(!freqDen.isEmpty()) modifiedHabit.freqDen = Integer.parseInt(freqDen);
 
         if (!validate()) return;
 
@@ -239,6 +262,7 @@ public class EditHabitFragment extends DialogFragment
         editor.putInt("pref_default_habit_freq_den", modifiedHabit.freqDen);
         editor.apply();
 
+        Command command = null;
         Habit savedHabit = null;
 
         if (mode == EDIT_MODE)
@@ -246,8 +270,10 @@ public class EditHabitFragment extends DialogFragment
             command = new EditHabitCommand(originalHabit, modifiedHabit);
             savedHabit = originalHabit;
         }
-
-        if (mode == CREATE_MODE) command = new CreateHabitCommand(modifiedHabit);
+        else if (mode == CREATE_MODE)
+        {
+            command = new CreateHabitCommand(modifiedHabit);
+        }
 
         if (onSavedListener != null) onSavedListener.onSaved(command, savedHabit);
 
@@ -325,9 +351,24 @@ public class EditHabitFragment extends DialogFragment
         int count = 0;
         for(int i = 0; i < 7; i++)
             if(selectedDays[i]) count++;
+
         if(count == 0) Arrays.fill(selectedDays, true);
 
         modifiedHabit.reminderDays = DateHelper.packWeekdayList(selectedDays);
         updateReminder();
     }
+
+    @Override
+    public void onSaveInstanceState(Bundle outState)
+    {
+        super.onSaveInstanceState(outState);
+
+        outState.putInt("color", modifiedHabit.color);
+        if(modifiedHabit.reminderHour != null)
+        {
+            outState.putInt("reminderMin", modifiedHabit.reminderMin);
+            outState.putInt("reminderHour", modifiedHabit.reminderHour);
+            outState.putInt("reminderDays", modifiedHabit.reminderDays);
+        }
+    }
 }

app/src/main/java/org/isoron/uhabits/fragments/HabitListAdapter.java

@@ -0,0 +1,116 @@
+/*
+ * Copyright (C) 2016 Álinson Santos Xavier <isoron@gmail.com>
+ *
+ * This file is part of Loop Habit Tracker.
+ *
+ * Loop Habit Tracker is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by the
+ * Free Software Foundation, either version 3 of the License, or (at your
+ * option) any later version.
+ *
+ * Loop Habit Tracker is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
+ * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
+ * more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+package org.isoron.uhabits.fragments;
+
+import android.content.Context;
+import android.view.LayoutInflater;
+import android.view.View;
+import android.view.ViewGroup;
+import android.widget.BaseAdapter;
+import android.widget.LinearLayout;
+import android.widget.TextView;
+
+import org.isoron.helpers.DateHelper;
+import org.isoron.uhabits.R;
+import org.isoron.uhabits.helpers.ListHabitsHelper;
+import org.isoron.uhabits.loaders.HabitListLoader;
+import org.isoron.uhabits.models.Habit;
+
+import java.util.List;
+
+class HabitListAdapter extends BaseAdapter
+{
+    private LayoutInflater inflater;
+    private HabitListLoader loader;
+    private ListHabitsHelper helper;
+    private List selectedPositions;
+    private View.OnLongClickListener onCheckmarkLongClickListener;
+    private View.OnClickListener onCheckmarkClickListener;
+
+    public HabitListAdapter(Context context, HabitListLoader loader)
+    {
+        this.loader = loader;
+
+        inflater = LayoutInflater.from(context);
+        helper = new ListHabitsHelper(context, loader);
+    }
+
+    @Override
+    public int getCount()
+    {
+        return loader.habits.size();
+    }
+
+    @Override
+    public Habit getItem(int position)
+    {
+        return loader.habitsList.get(position);
+    }
+
+    @Override
+    public long getItemId(int position)
+    {
+        return (getItem(position)).getId();
+    }
+
+    @Override
+    public View getView(int position, View view, ViewGroup parent)
+    {
+        final Habit habit = loader.habitsList.get(position);
+
+        if (view == null || (Long) view.getTag(R.id.timestamp_key) != DateHelper.getStartOfToday())
+        {
+            view = inflater.inflate(R.layout.list_habits_item, null);
+            helper.initializeLabelAndIcon(view);
+            helper.inflateCheckmarkButtons(view, onCheckmarkLongClickListener,
+                    onCheckmarkClickListener, inflater);
+        }
+
+        TextView tvStar = ((TextView) view.findViewById(R.id.tvStar));
+        TextView tvName = (TextView) view.findViewById(R.id.label);
+        LinearLayout llInner = (LinearLayout) view.findViewById(R.id.llInner);
+        LinearLayout llButtons = (LinearLayout) view.findViewById(R.id.llButtons);
+
+        llInner.setTag(R.string.habit_key, habit.getId());
+
+        helper.updateNameAndIcon(habit, tvStar, tvName);
+        helper.updateCheckmarkButtons(habit, llButtons);
+
+        boolean selected = selectedPositions.contains(position);
+        helper.updateHabitBackground(llInner, selected);
+
+        return view;
+    }
+
+    public void setSelectedPositions(List selectedPositions)
+    {
+        this.selectedPositions = selectedPositions;
+    }
+
+    public void setOnCheckmarkLongClickListener(View.OnLongClickListener listener)
+    {
+        this.onCheckmarkLongClickListener = listener;
+    }
+
+    public void setOnCheckmarkClickListener(View.OnClickListener listener)
+    {
+        this.onCheckmarkClickListener = listener;
+    }
+}

app/src/main/java/org/isoron/uhabits/fragments/ListHabitsFragment.java

@@ -1,37 +1,29 @@
-/* Copyright (C) 2016 Alinson Santos Xavier
+/*
+ * Copyright (C) 2016 Álinson Santos Xavier <isoron@gmail.com>
  *
- * This program is free software: you can redistribute it and/or modify it
- * under the terms of the GNU General Public License as published by the Free
- * Software Foundation, either version 3 of the License, or (at your option)
- * any later version.
+ * This file is part of Loop Habit Tracker.
  *
- * This program is distributed in the hope that it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied  warranty of MERCHANTABILITY or
- * FITNESS  FOR  A PARTICULAR PURPOSE. See the GNU General Public License for
+ * Loop Habit Tracker is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by the
+ * Free Software Foundation, either version 3 of the License, or (at your
+ * option) any later version.
+ *
+ * Loop Habit Tracker is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
+ * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
  * more details.
  *
- * You  should  have  received  a  copy  of the GNU General Public License
- * along  with  this  program. If not, see <http://www.gnu.org/licenses/>.
+ * You should have received a copy of the GNU General Public License along
+ * with this program. If not, see <http://www.gnu.org/licenses/>.
  */
 
 package org.isoron.uhabits.fragments;
 
-import android.animation.Animator;
-import android.animation.AnimatorListenerAdapter;
 import android.app.Activity;
-import android.app.AlertDialog;
 import android.app.Fragment;
-import android.content.Context;
-import android.content.DialogInterface;
-import android.content.Intent;
 import android.content.SharedPreferences;
-import android.graphics.Color;
-import android.graphics.Typeface;
-import android.net.Uri;
-import android.os.AsyncTask;
 import android.os.Bundle;
 import android.preference.PreferenceManager;
-import android.util.DisplayMetrics;
 import android.view.ActionMode;
 import android.view.ContextMenu;
 import android.view.ContextMenu.ContextMenuInfo;
@@ -46,293 +38,107 @@ import android.view.ViewGroup;
 import android.widget.AdapterView;
 import android.widget.AdapterView.AdapterContextMenuInfo;
 import android.widget.AdapterView.OnItemClickListener;
-import android.widget.BaseAdapter;
-import android.widget.Button;
 import android.widget.LinearLayout;
-import android.widget.LinearLayout.LayoutParams;
 import android.widget.ProgressBar;
 import android.widget.TextView;
 
-import com.android.colorpicker.ColorPickerDialog;
-import com.android.colorpicker.ColorPickerSwatch;
 import com.mobeta.android.dslv.DragSortController;
 import com.mobeta.android.dslv.DragSortListView;
 import com.mobeta.android.dslv.DragSortListView.DropListener;
 
-import org.isoron.helpers.ColorHelper;
 import org.isoron.helpers.Command;
 import org.isoron.helpers.DateHelper;
 import org.isoron.helpers.DialogHelper;
 import org.isoron.helpers.DialogHelper.OnSavedListener;
 import org.isoron.helpers.ReplayableActivity;
 import org.isoron.uhabits.R;
-import org.isoron.uhabits.commands.ArchiveHabitsCommand;
-import org.isoron.uhabits.commands.ChangeHabitColorCommand;
-import org.isoron.uhabits.commands.DeleteHabitsCommand;
 import org.isoron.uhabits.commands.ToggleRepetitionCommand;
-import org.isoron.uhabits.commands.UnarchiveHabitsCommand;
+import org.isoron.uhabits.dialogs.HabitSelectionCallback;
+import org.isoron.uhabits.dialogs.HintManager;
+import org.isoron.uhabits.helpers.ListHabitsHelper;
 import org.isoron.uhabits.helpers.ReminderHelper;
-import org.isoron.uhabits.io.CSVExporter;
 import org.isoron.uhabits.loaders.HabitListLoader;
 import org.isoron.uhabits.models.Habit;
-import org.isoron.uhabits.models.Score;
 
-import java.io.File;
 import java.util.Date;
-import java.util.GregorianCalendar;
 import java.util.LinkedList;
 import java.util.List;
 
 public class ListHabitsFragment extends Fragment
         implements OnSavedListener, OnItemClickListener, OnLongClickListener, DropListener,
-        OnClickListener, HabitListLoader.Listener, AdapterView.OnItemLongClickListener
+        OnClickListener, HabitListLoader.Listener, AdapterView.OnItemLongClickListener,
+        HabitSelectionCallback.Listener
 {
-    private class ListHabitsActionBarCallback implements ActionMode.Callback
-    {
-        @Override
-        public boolean onCreateActionMode(ActionMode mode, Menu menu)
-        {
-            getActivity().getMenuInflater().inflate(R.menu.list_habits_context, menu);
-            updateTitle(mode);
-            updateActions(menu);
-            return true;
-        }
-
-        @Override
-        public boolean onPrepareActionMode(ActionMode mode, Menu menu)
-        {
-            updateTitle(mode);
-            updateActions(menu);
-            return true;
-        }
-
-        private void updateActions(Menu menu)
-        {
-            boolean showEdit = (selectedPositions.size() == 1);
-            boolean showColor = true;
-            boolean showArchive = true;
-            boolean showUnarchive = true;
-
-            if(showEdit) showColor = false;
-            for(int i : selectedPositions)
-            {
-                Habit h = loader.habitsList.get(i);
-                if(h.isArchived())
-                {
-                    showColor = false;
-                    showArchive = false;
-                }
-                else showUnarchive = false;
-            }
-
-            MenuItem itemEdit = menu.findItem(R.id.action_edit_habit);
-            MenuItem itemColor = menu.findItem(R.id.action_color);
-            MenuItem itemArchive = menu.findItem(R.id.action_archive_habit);
-            MenuItem itemUnarchive = menu.findItem(R.id.action_unarchive_habit);
-
-            itemEdit.setVisible(showEdit);
-            itemColor.setVisible(showColor);
-            itemArchive.setVisible(showArchive);
-            itemUnarchive.setVisible(showUnarchive);
-        }
-
-        private void updateTitle(ActionMode mode)
-        {
-            mode.setTitle("" + selectedPositions.size());
-        }
-
-        @Override
-        public boolean onActionItemClicked(final ActionMode mode, MenuItem item)
-        {
-            final LinkedList<Habit> selectedHabits = new LinkedList<>();
-            for(int i : selectedPositions)
-                selectedHabits.add(loader.habitsList.get(i));
-
-            Habit firstHabit = selectedHabits.getFirst();
-
-            switch(item.getItemId())
-            {
-                case R.id.action_archive_habit:
-                    executeCommand(new ArchiveHabitsCommand(selectedHabits), null);
-                    mode.finish();
-                    return true;
-
-                case R.id.action_unarchive_habit:
-                    executeCommand(new UnarchiveHabitsCommand(selectedHabits), null);
-                    mode.finish();
-                    return true;
-
-                case R.id.action_edit_habit:
-                {
-                    EditHabitFragment frag = EditHabitFragment.editSingleHabitFragment(firstHabit.getId());
-                    frag.setOnSavedListener(ListHabitsFragment.this);
-                    frag.show(getFragmentManager(), "dialog");
-                    return true;
-                }
-
-                case R.id.action_color:
-                {
-                    ColorPickerDialog picker = ColorPickerDialog.newInstance(
-                            R.string.color_picker_default_title, ColorHelper.palette,
-                            firstHabit.color, 4, ColorPickerDialog.SIZE_SMALL);
-
-                    picker.setOnColorSelectedListener(new ColorPickerSwatch.OnColorSelectedListener()
-                    {
-                        public void onColorSelected(int color)
-                        {
-                            executeCommand(new ChangeHabitColorCommand(selectedHabits, color), null);
-                            mode.finish();
-                        }
-                    });
-                    picker.show(getFragmentManager(), "picker");
-                    return true;
-                }
-
-                case R.id.action_delete:
-                {
-                    new AlertDialog.Builder(activity)
-                            .setTitle(R.string.delete_habits)
-                            .setMessage(R.string.delete_habits_message)
-                            .setPositiveButton(android.R.string.yes, new DialogInterface.OnClickListener()
-                            {
-                                @Override
-                                public void onClick(DialogInterface dialog, int which)
-                                {
-                                    executeCommand(new DeleteHabitsCommand(selectedHabits), null);
-                                    mode.finish();
-                                }
-                            }).setNegativeButton(android.R.string.no, null)
-                            .show();
-
-                    return true;
-                }
-
-                case R.id.action_export_csv:
-                {
-                    onExportHabitsClick(selectedHabits);
-                    return true;
-                }
-            }
-
-            return false;
-        }
-
-        @Override
-        public void onDestroyActionMode(ActionMode mode)
-        {
-            actionMode = null;
-
-            selectedPositions.clear();
-            adapter.notifyDataSetChanged();
-
-            listView.setDragEnabled(true);
-        }
-    }
-
-    public static final int INACTIVE_COLOR = Color.rgb(200, 200, 200);
-    public static final int INACTIVE_CHECKMARK_COLOR = Color.rgb(230, 230, 230);
-
-    public static final int HINT_INTERVAL = 5;
-    public static final int HINT_INTERVAL_OFFSET = 2;
-
-    public interface OnHabitClickListener
-    {
-        void onHabitClicked(Habit habit);
-    }
-
-    ListHabitsAdapter adapter;
-    DragSortListView listView;
-    ReplayableActivity activity;
-    TextView tvNameHeader;
     long lastLongClick = 0;
-
-    private int tvNameWidth;
-    private int buttonCount;
-    private View llEmpty;
-    private View llHint;
-
-    private OnHabitClickListener habitClickListener;
     private boolean isShortToggleEnabled;
-
-    private HabitListLoader loader;
     private boolean showArchived;
-    private SharedPreferences prefs;
 
     private ActionMode actionMode;
+    private HabitListAdapter adapter;
+    private HabitListLoader loader;
+    private HintManager hintManager;
+    private ListHabitsHelper helper;
     private List<Integer> selectedPositions;
-    private DragSortController dragSortController;
+    private OnHabitClickListener habitClickListener;
+    private ReplayableActivity activity;
+    private SharedPreferences prefs;
+
+    private DragSortListView listView;
+    private LinearLayout llButtonsHeader;
     private ProgressBar progressBar;
+    private View llEmpty;
 
     @Override
     public View onCreateView(LayoutInflater inflater, ViewGroup container,
                              Bundle savedInstanceState)
     {
-        DisplayMetrics dm = getResources().getDisplayMetrics();
-        int width = (int) (dm.widthPixels / dm.density);
-        buttonCount = Math.max(0, (int) ((width - 160) / 42.0));
-        tvNameWidth = (int) ((width - 30 - buttonCount * 42) * dm.density);
-
-        loader = new HabitListLoader();
-        loader.setListener(this);
-        loader.setCheckmarkCount(buttonCount);
-
         View view = inflater.inflate(R.layout.list_habits_fragment, container, false);
-        tvNameHeader = (TextView) view.findViewById(R.id.tvNameHeader);
-
+        View llHint = view.findViewById(R.id.llHint);
+        TextView tvStarEmpty = (TextView) view.findViewById(R.id.tvStarEmpty);
+        listView = (DragSortListView) view.findViewById(R.id.listView);
+        llButtonsHeader = (LinearLayout) view.findViewById(R.id.llButtonsHeader);
+        llEmpty = view.findViewById(R.id.llEmpty);
         progressBar = (ProgressBar) view.findViewById(R.id.progressBar);
+
+        selectedPositions = new LinkedList<>();
+        loader = new HabitListLoader();
+        helper = new ListHabitsHelper(activity, loader);
+        hintManager = new HintManager(activity, llHint);
+
+        loader.setListener(this);
+        loader.setCheckmarkCount(helper.getButtonCount());
         loader.setProgressBar(progressBar);
 
-        adapter = new ListHabitsAdapter(getActivity());
-        listView = (DragSortListView) view.findViewById(R.id.listView);
+        llHint.setOnClickListener(this);
+        tvStarEmpty.setTypeface(helper.getFontawesome());
+
+        adapter = new HabitListAdapter(getActivity(), loader);
+        adapter.setSelectedPositions(selectedPositions);
+        adapter.setOnCheckmarkClickListener(this);
+        adapter.setOnCheckmarkLongClickListener(this);
+
+        DragSortListView.DragListener dragListener = new HabitsDragListener();
+        DragSortController dragSortController = new HabitsDragSortController();
+
         listView.setAdapter(adapter);
         listView.setOnItemClickListener(this);
         listView.setOnItemLongClickListener(this);
         listView.setDropListener(this);
-        listView.setDragListener(new DragSortListView.DragListener()
-        {
-            @Override
-            public void drag(int from, int to)
-            {
-            }
-
-            @Override
-            public void startDrag(int position)
-            {
-                selectItem(position);
-            }
-        });
-
-        dragSortController = new DragSortController(listView) {
-                @Override
-                public View onCreateFloatView(int position)
-                {
-                     return adapter.getView(position, null, null);
-                }
-
-            @Override
-            public void onDestroyFloatView(View floatView)
-            {
-            }
-        };
-        dragSortController.setRemoveEnabled(false);
-
+        listView.setDragListener(dragListener);
         listView.setFloatViewManager(dragSortController);
         listView.setDragEnabled(true);
         listView.setLongClickable(true);
 
-        llHint = view.findViewById(R.id.llHint);
-        llHint.setOnClickListener(this);
-
-        Typeface fontawesome = Typeface.createFromAsset(getActivity().getAssets(),
-                "fontawesome-webfont.ttf");
-        ((TextView) view.findViewById(R.id.tvStarEmpty)).setTypeface(fontawesome);
-        llEmpty = view.findViewById(R.id.llEmpty);
+        if(savedInstanceState != null)
+        {
+            EditHabitFragment frag = (EditHabitFragment) getFragmentManager()
+                    .findFragmentByTag("editHabit");
+            if(frag != null) frag.setOnSavedListener(this);
+        }
 
         loader.updateAllHabits(true);
+
         setHasOptionsMenu(true);
-
-        selectedPositions = new LinkedList<>();
-
         return view;
     }
 
@@ -356,42 +162,19 @@ public class ListHabitsFragment extends Fragment
         if (timestamp != null && timestamp != DateHelper.getStartOfToday())
             loader.updateAllHabits(true);
 
-        updateEmptyMessage();
-        updateHeader();
-        showNextHint();
+        helper.updateEmptyMessage(llEmpty);
+        helper.updateHeader(llButtonsHeader);
+        hintManager.showHintIfAppropriate();
 
         adapter.notifyDataSetChanged();
         isShortToggleEnabled = prefs.getBoolean("pref_short_toggle", false);
     }
 
-    private void updateHeader()
-    {
-        LayoutInflater inflater = activity.getLayoutInflater();
-        View view = getView();
-
-        if (view == null) return;
-
-        GregorianCalendar day = DateHelper.getStartOfTodayCalendar();
-
-        LinearLayout llButtonsHeader = (LinearLayout) view.findViewById(R.id.llButtonsHeader);
-        llButtonsHeader.removeAllViews();
-
-        for (int i = 0; i < buttonCount; i++)
-        {
-            View tvDay = inflater.inflate(R.layout.list_habits_header_check, null);
-            Button btCheck = (Button) tvDay.findViewById(R.id.tvCheck);
-            btCheck.setText(DateHelper.formatHeaderDate(day));
-            llButtonsHeader.addView(tvDay);
-
-            day.add(GregorianCalendar.DAY_OF_MONTH, -1);
-        }
-    }
-
     @Override
     public void onLoadFinished()
     {
         adapter.notifyDataSetChanged();
-        updateEmptyMessage();
+        helper.updateEmptyMessage(llEmpty);
     }
 
     @Override
@@ -426,7 +209,7 @@ public class ListHabitsFragment extends Fragment
             {
                 EditHabitFragment frag = EditHabitFragment.createHabitFragment();
                 frag.setOnSavedListener(this);
-                frag.show(getFragmentManager(), "dialog");
+                frag.show(getFragmentManager(), "editHabit");
                 return true;
             }
 
@@ -485,8 +268,13 @@ public class ListHabitsFragment extends Fragment
 
         if(actionMode == null)
         {
-            actionMode = getActivity().startActionMode(new ListHabitsActionBarCallback());
-//            listView.setDragEnabled(false);
+            HabitSelectionCallback callback = new HabitSelectionCallback(activity, loader);
+            callback.setSelectedPositions(selectedPositions);
+            callback.setProgressBar(progressBar);
+            callback.setOnSavedListener(this);
+            callback.setListener(this);
+
+            actionMode = getActivity().startActionMode(callback);
         }
 
         if(actionMode != null) actionMode.invalidate();
@@ -506,12 +294,6 @@ public class ListHabitsFragment extends Fragment
         if(actionMode != null) actionMode.finish();
     }
 
-    private void updateEmptyMessage()
-    {
-        if (loader.getLastLoadTimestamp() == null) llEmpty.setVisibility(View.GONE);
-        else llEmpty.setVisibility(loader.habits.size() > 0 ? View.GONE : View.VISIBLE);
-    }
-
     @Override
     public boolean onLongClick(View v)
     {
@@ -538,15 +320,14 @@ public class ListHabitsFragment extends Fragment
     private void toggleCheck(View v)
     {
         Long tag = (Long) v.getTag(R.string.habit_key);
-        Habit habit = loader.habits.get(tag);
-
-        int offset = (Integer) v.getTag(R.string.offset_key);
+        Integer offset = (Integer) v.getTag(R.string.offset_key);
         long timestamp = DateHelper.getStartOfDay(
                 DateHelper.getLocalTime() - offset * DateHelper.millisecondsInOneDay);
 
-        if (v.getTag(R.string.toggle_key).equals(2)) updateCheckmark(habit.color, (TextView) v, 0);
-        else updateCheckmark(habit.color, (TextView) v, 2);
+        Habit habit = loader.habits.get(tag);
+        if(habit == null) return;
 
+        helper.toggleCheckmarkView(v, habit);
         executeCommand(new ToggleRepetitionCommand(habit, timestamp), habit.getId());
     }
 
@@ -555,43 +336,6 @@ public class ListHabitsFragment extends Fragment
         activity.executeCommand(c, refreshKey);
     }
 
-    private void hideHint()
-    {
-        llHint.animate().alpha(0f).setDuration(500).setListener(new AnimatorListenerAdapter()
-        {
-            @Override
-            public void onAnimationEnd(Animator animation)
-            {
-                llHint.setVisibility(View.GONE);
-            }
-        });
-    }
-
-    private void showNextHint()
-    {
-        Integer lastHintNumber = prefs.getInt("last_hint_number", -1);
-        Long lastHintTimestamp = prefs.getLong("last_hint_timestamp", -1);
-
-        if(DateHelper.getStartOfToday() > lastHintTimestamp)
-            showHint(lastHintNumber + 1);
-    }
-
-    private void showHint(int hintNumber)
-    {
-        String[] hints = activity.getResources().getStringArray(R.array.hints);
-        if(hintNumber >= hints.length) return;
-
-        prefs.edit().putInt("last_hint_number", hintNumber).apply();
-        prefs.edit().putLong("last_hint_timestamp", DateHelper.getStartOfToday()).apply();
-
-        TextView tvContent = (TextView) llHint.findViewById(R.id.hintContent);
-        tvContent.setText(hints[hintNumber]);
-
-        llHint.setAlpha(0.0f);
-        llHint.setVisibility(View.VISIBLE);
-        llHint.animate().alpha(1f).setDuration(500);
-    }
-
     @Override
     public void drop(int from, int to)
     {
@@ -614,180 +358,7 @@ public class ListHabitsFragment extends Fragment
                 break;
 
             case R.id.llHint:
-                hideHint();
-                break;
-        }
-    }
-
-    class ListHabitsAdapter extends BaseAdapter
-    {
-        private LayoutInflater inflater;
-        private Typeface fontawesome;
-
-        public ListHabitsAdapter(Context context)
-        {
-
-            inflater = (LayoutInflater) context.getSystemService(Context.LAYOUT_INFLATER_SERVICE);
-            fontawesome = Typeface.createFromAsset(context.getAssets(), "fontawesome-webfont.ttf");
-        }
-
-        @Override
-        public int getCount()
-        {
-            return loader.habits.size();
-        }
-
-        @Override
-        public Object getItem(int position)
-        {
-            return loader.habitsList.get(position);
-        }
-
-        @Override
-        public long getItemId(int position)
-        {
-            return ((Habit) getItem(position)).getId();
-        }
-
-        @Override
-        public View getView(int position, View view, ViewGroup parent)
-        {
-            final Habit habit = loader.habitsList.get(position);
-
-            if (view == null ||
-                    (Long) view.getTag(R.id.timestamp_key) != DateHelper.getStartOfToday())
-            {
-                view = inflater.inflate(R.layout.list_habits_item, null);
-                ((TextView) view.findViewById(R.id.tvStar)).setTypeface(fontawesome);
-
-                LinearLayout.LayoutParams params =
-                        new LinearLayout.LayoutParams(tvNameWidth, LayoutParams.WRAP_CONTENT, 1);
-                view.findViewById(R.id.label).setLayoutParams(params);
-
-                inflateCheckmarkButtons(view);
-
-                view.setTag(R.id.timestamp_key, DateHelper.getStartOfToday());
-            }
-
-            TextView tvStar = ((TextView) view.findViewById(R.id.tvStar));
-            TextView tvName = (TextView) view.findViewById(R.id.label);
-            LinearLayout llInner = (LinearLayout) view.findViewById(R.id.llInner);
-            LinearLayout llButtons = (LinearLayout) view.findViewById(R.id.llButtons);
-
-            llInner.setTag(R.string.habit_key, habit.getId());
-
-            updateNameAndIcon(habit, tvStar, tvName);
-            updateCheckmarkButtons(habit, llButtons);
-
-            boolean selected = selectedPositions.contains(position);
-            if(selected)
-                llInner.setBackgroundResource(R.drawable.selected_box);
-            else
-            {
-                if (android.os.Build.VERSION.SDK_INT >= 21)
-                    llInner.setBackgroundResource(R.drawable.ripple_white);
-                else
-                    llInner.setBackgroundResource(R.drawable.card_background);
-            }
-
-            return view;
-        }
-
-        private void inflateCheckmarkButtons(View view)
-        {
-            for (int i = 0; i < buttonCount; i++)
-            {
-                View check = inflater.inflate(R.layout.list_habits_item_check, null);
-                TextView btCheck = (TextView) check.findViewById(R.id.tvCheck);
-                btCheck.setTypeface(fontawesome);
-                btCheck.setOnLongClickListener(ListHabitsFragment.this);
-                btCheck.setOnClickListener(ListHabitsFragment.this);
-                ((LinearLayout) view.findViewById(R.id.llButtons)).addView(check);
-            }
-        }
-    }
-
-    private void updateCheckmarkButtons(Habit habit, LinearLayout llButtons)
-    {
-        int activeColor = getActiveColor(habit);
-        int m = llButtons.getChildCount();
-        Long habitId = habit.getId();
-
-        int isChecked[] = loader.checkmarks.get(habitId);
-
-        for (int i = 0; i < m; i++)
-        {
-
-            TextView tvCheck = (TextView) llButtons.getChildAt(i);
-            tvCheck.setTag(R.string.habit_key, habitId);
-            tvCheck.setTag(R.string.offset_key, i);
-            if(isChecked.length > i)
-                updateCheckmark(activeColor, tvCheck, isChecked[i]);
-        }
-    }
-
-    private void  updateNameAndIcon(Habit habit, TextView tvStar, TextView tvName)
-    {
-        int activeColor = getActiveColor(habit);
-
-        tvName.setText(habit.name);
-        tvName.setTextColor(activeColor);
-
-        if (habit.isArchived())
-        {
-            tvStar.setText(getString(R.string.fa_archive));
-            tvStar.setTextColor(activeColor);
-        }
-        else
-        {
-            int score = loader.scores.get(habit.getId());
-
-            if (score < Score.HALF_STAR_CUTOFF)
-            {
-                tvStar.setText(getString(R.string.fa_star_o));
-                tvStar.setTextColor(INACTIVE_COLOR);
-            }
-            else if (score < Score.FULL_STAR_CUTOFF)
-            {
-                tvStar.setText(getString(R.string.fa_star_half_o));
-                tvStar.setTextColor(INACTIVE_COLOR);
-            }
-            else
-            {
-                tvStar.setText(getString(R.string.fa_star));
-                tvStar.setTextColor(activeColor);
-            }
-        }
-    }
-
-    private int getActiveColor(Habit habit)
-    {
-        int activeColor = habit.color;
-        if(habit.isArchived()) activeColor = INACTIVE_COLOR;
-
-        return activeColor;
-    }
-
-    private void updateCheckmark(int activeColor, TextView tvCheck, int check)
-    {
-        switch (check)
-        {
-            case 2:
-                tvCheck.setText(R.string.fa_check);
-                tvCheck.setTextColor(activeColor);
-                tvCheck.setTag(R.string.toggle_key, 2);
-                break;
-
-            case 1:
-                tvCheck.setText(R.string.fa_check);
-                tvCheck.setTextColor(INACTIVE_CHECKMARK_COLOR);
-                tvCheck.setTag(R.string.toggle_key, 1);
-                break;
-
-            case 0:
-                tvCheck.setText(R.string.fa_times);
-                tvCheck.setTextColor(INACTIVE_CHECKMARK_COLOR);
-                tvCheck.setTag(R.string.toggle_key, 0);
+                hintManager.dismissHint();
                 break;
         }
     }
@@ -798,42 +369,50 @@ public class ListHabitsFragment extends Fragment
         else loader.updateHabit(refreshKey);
     }
 
-    private void onExportHabitsClick(final LinkedList<Habit> selectedHabits)
+    public void onActionModeDestroyed(ActionMode mode)
     {
-        new AsyncTask<Void, Void, Void>()
-        {
-            String filename;
+        actionMode = null;
+        selectedPositions.clear();
+        adapter.notifyDataSetChanged();
+        listView.setDragEnabled(true);
+    }
 
-            @Override
-            protected void onPreExecute()
+    public interface OnHabitClickListener
     {
-                progressBar.setIndeterminate(true);
-                progressBar.setVisibility(View.VISIBLE);
+        void onHabitClicked(Habit habit);
+    }
+
+    private class HabitsDragSortController extends DragSortController
+    {
+        public HabitsDragSortController()
+        {
+            super(ListHabitsFragment.this.listView);
+            setRemoveEnabled(false);
         }
 
         @Override
-            protected void onPostExecute(Void aVoid)
+        public View onCreateFloatView(int position)
         {
-                if(filename != null)
-                {
-                    Intent intent = new Intent();
-                    intent.setAction(Intent.ACTION_SEND);
-                    intent.setType("application/zip");
-                    intent.putExtra(Intent.EXTRA_STREAM, Uri.fromFile(new File(filename)));
-
-                    startActivity(intent);
-                }
-
-                progressBar.setVisibility(View.GONE);
+            return adapter.getView(position, null, null);
         }
 
         @Override
-            protected Void doInBackground(Void... params)
+        public void onDestroyFloatView(View floatView)
         {
-                CSVExporter exporter = new CSVExporter(activity, selectedHabits);
-                filename = exporter.writeArchive();
-                return null;
-            }
-        }.execute();
+        }
+    }
+
+    private class HabitsDragListener implements DragSortListView.DragListener
+    {
+        @Override
+        public void drag(int from, int to)
+        {
+        }
+
+        @Override
+        public void startDrag(int position)
+        {
+            selectItem(position);
+        }
     }
 }

app/src/main/java/org/isoron/uhabits/fragments/SettingsFragment.java

@@ -1,17 +1,20 @@
-/* Copyright (C) 2016 Alinson Santos Xavier
+/*
+ * Copyright (C) 2016 Álinson Santos Xavier <isoron@gmail.com>
  *
- * This program is free software: you can redistribute it and/or modify it
- * under the terms of the GNU General Public License as published by the Free
- * Software Foundation, either version 3 of the License, or (at your option)
- * any later version.
+ * This file is part of Loop Habit Tracker.
  *
- * This program is distributed in the hope that it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied  warranty of MERCHANTABILITY or
- * FITNESS  FOR  A PARTICULAR PURPOSE. See the GNU General Public License for
+ * Loop Habit Tracker is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by the
+ * Free Software Foundation, either version 3 of the License, or (at your
+ * option) any later version.
+ *
+ * Loop Habit Tracker is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
+ * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
  * more details.
  *
- * You  should  have  received  a  copy  of the GNU General Public License
- * along  with  this  program. If not, see <http://www.gnu.org/licenses/>.
+ * You should have received a copy of the GNU General Public License along
+ * with this program. If not, see <http://www.gnu.org/licenses/>.
  */
 
 package org.isoron.uhabits.fragments;

app/src/main/java/org/isoron/uhabits/fragments/ShowHabitFragment.java

@@ -1,17 +1,20 @@
-/* Copyright (C) 2016 Alinson Santos Xavier
+/*
+ * Copyright (C) 2016 Álinson Santos Xavier <isoron@gmail.com>
  *
- * This program is free software: you can redistribute it and/or modify it
- * under the terms of the GNU General Public License as published by the Free
- * Software Foundation, either version 3 of the License, or (at your option)
- * any later version.
+ * This file is part of Loop Habit Tracker.
  *
- * This program is distributed in the hope that it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied  warranty of MERCHANTABILITY or
- * FITNESS  FOR  A PARTICULAR PURPOSE. See the GNU General Public License for
+ * Loop Habit Tracker is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by the
+ * Free Software Foundation, either version 3 of the License, or (at your
+ * option) any later version.
+ *
+ * Loop Habit Tracker is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
+ * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
  * more details.
  *
- * You  should  have  received  a  copy  of the GNU General Public License
- * along  with  this  program. If not, see <http://www.gnu.org/licenses/>.
+ * You should have received a copy of the GNU General Public License along
+ * with this program. If not, see <http://www.gnu.org/licenses/>.
  */
 
 package org.isoron.uhabits.fragments;
@@ -25,25 +28,34 @@ import android.view.MenuInflater;
 import android.view.MenuItem;
 import android.view.View;
 import android.view.ViewGroup;
+import android.widget.Button;
 import android.widget.TextView;
 
 import org.isoron.helpers.ColorHelper;
 import org.isoron.helpers.Command;
 import org.isoron.helpers.DialogHelper;
+import org.isoron.uhabits.HabitBroadcastReceiver;
 import org.isoron.uhabits.R;
 import org.isoron.uhabits.ShowHabitActivity;
+import org.isoron.uhabits.dialogs.HistoryEditorDialog;
 import org.isoron.uhabits.helpers.ReminderHelper;
 import org.isoron.uhabits.models.Habit;
 import org.isoron.uhabits.models.Score;
 import org.isoron.uhabits.views.HabitHistoryView;
+import org.isoron.uhabits.views.HabitFrequencyView;
 import org.isoron.uhabits.views.HabitScoreView;
 import org.isoron.uhabits.views.HabitStreakView;
 import org.isoron.uhabits.views.RingView;
 
-public class ShowHabitFragment extends Fragment implements DialogHelper.OnSavedListener
+public class ShowHabitFragment extends Fragment
+        implements DialogHelper.OnSavedListener, HistoryEditorDialog.Listener
 {
     protected ShowHabitActivity activity;
     private Habit habit;
+    private HabitStreakView streakView;
+    private HabitScoreView scoreView;
+    private HabitHistoryView historyView;
+    private HabitFrequencyView punchcardView;
 
     @Override
     public void onStart()
@@ -61,34 +73,73 @@ public class ShowHabitFragment extends Fragment implements DialogHelper.OnSavedL
 
         habit.checkmarks.rebuild();
 
+        Button btEditHistory = (Button) view.findViewById(R.id.btEditHistory);
+        streakView = (HabitStreakView) view.findViewById(R.id.streakView);
+        scoreView = (HabitScoreView) view.findViewById(R.id.scoreView);
+        historyView = (HabitHistoryView) view.findViewById(R.id.historyView);
+        punchcardView = (HabitFrequencyView) view.findViewById(R.id.punchcardView);
+
+        updateHeaders(view);
+        updateScoreRing(view);
+
+        streakView.setHabit(habit);
+        scoreView.setHabit(habit);
+        historyView.setHabit(habit);
+        punchcardView.setHabit(habit);
+
+        btEditHistory.setOnClickListener(new View.OnClickListener()
+        {
+            @Override
+            public void onClick(View v)
+            {
+                HistoryEditorDialog frag = new HistoryEditorDialog();
+                frag.setHabit(habit);
+                frag.setListener(ShowHabitFragment.this);
+                frag.show(getFragmentManager(), "historyEditor");
+            }
+        });
+
+        if(savedInstanceState != null)
+        {
+            EditHabitFragment fragEdit = (EditHabitFragment) getFragmentManager()
+                    .findFragmentByTag("editHabit");
+            HistoryEditorDialog fragEditor = (HistoryEditorDialog) getFragmentManager()
+                    .findFragmentByTag("historyEditor");
+
+            if(fragEdit != null) fragEdit.setOnSavedListener(this);
+            if(fragEditor != null) fragEditor.setListener(this);
+        }
+
+        setHasOptionsMenu(true);
+        return view;
+    }
+
+    private void updateScoreRing(View view)
+    {
+        RingView scoreRing = (RingView) view.findViewById(R.id.scoreRing);
+        scoreRing.setColor(habit.color);
+        scoreRing.setPercentage((float) habit.scores.getNewestValue() / Score.MAX_SCORE);
+    }
+
+    private void updateHeaders(View view)
+    {
         if (android.os.Build.VERSION.SDK_INT >= 21)
         {
             int darkerHabitColor = ColorHelper.mixColors(habit.color, Color.BLACK, 0.75f);
             activity.getWindow().setStatusBarColor(darkerHabitColor);
         }
 
-        TextView tvHistory = (TextView) view.findViewById(R.id.tvHistory);
-        TextView tvOverview = (TextView) view.findViewById(R.id.tvOverview);
-        TextView tvStrength = (TextView) view.findViewById(R.id.tvStrength);
-        TextView tvStreaks = (TextView) view.findViewById(R.id.tvStreaks);
-        RingView scoreRing = (RingView) view.findViewById(R.id.scoreRing);
-        HabitStreakView streakView = (HabitStreakView) view.findViewById(R.id.streakView);
-        HabitScoreView scoreView = (HabitScoreView) view.findViewById(R.id.scoreView);
-        HabitHistoryView historyView = (HabitHistoryView) view.findViewById(R.id.historyView);
+        updateColor(view, R.id.tvHistory);
+        updateColor(view, R.id.tvOverview);
+        updateColor(view, R.id.tvStrength);
+        updateColor(view, R.id.tvStreaks);
+        updateColor(view, R.id.tvWeekdayFreq);
+    }
 
-        tvHistory.setTextColor(habit.color);
-        tvOverview.setTextColor(habit.color);
-        tvStrength.setTextColor(habit.color);
-        tvStreaks.setTextColor(habit.color);
-
-        scoreRing.setColor(habit.color);
-        scoreRing.setPercentage((float) habit.scores.getNewestValue() / Score.MAX_SCORE);
-        streakView.setHabit(habit);
-        scoreView.setHabit(habit);
-        historyView.setHabit(habit);
-
-        setHasOptionsMenu(true);
-        return view;
+    private void updateColor(View view, int viewId)
+    {
+        TextView textView = (TextView) view.findViewById(viewId);
+        textView.setTextColor(habit.color);
     }
 
     @Override
@@ -106,7 +157,7 @@ public class ShowHabitFragment extends Fragment implements DialogHelper.OnSavedL
             {
                 EditHabitFragment frag = EditHabitFragment.editSingleHabitFragment(habit.getId());
                 frag.setOnSavedListener(this);
-                frag.show(getFragmentManager(), "dialog");
+                frag.show(getFragmentManager(), "editHabit");
                 return true;
             }
         }
@@ -125,4 +176,20 @@ public class ShowHabitFragment extends Fragment implements DialogHelper.OnSavedL
         ReminderHelper.createReminderAlarms(activity);
         activity.recreate();
     }
+
+    @Override
+    public void onHistoryEditorClosed()
+    {
+        refreshData();
+        HabitBroadcastReceiver.sendRefreshBroadcast(getActivity());
+    }
+
+    public void refreshData()
+    {
+        streakView.refreshData();
+        historyView.refreshData();
+        scoreView.refreshData();
+        punchcardView.refreshData();
+        updateScoreRing(getView());
+    }
 }

app/src/main/java/org/isoron/uhabits/helpers/ListHabitsHelper.java

@@ -0,0 +1,230 @@
+/*
+ * Copyright (C) 2016 Álinson Santos Xavier <isoron@gmail.com>
+ *
+ * This file is part of Loop Habit Tracker.
+ *
+ * Loop Habit Tracker is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by the
+ * Free Software Foundation, either version 3 of the License, or (at your
+ * option) any later version.
+ *
+ * Loop Habit Tracker is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
+ * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
+ * more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+package org.isoron.uhabits.helpers;
+
+import android.content.Context;
+import android.graphics.Color;
+import android.graphics.Typeface;
+import android.util.DisplayMetrics;
+import android.view.LayoutInflater;
+import android.view.View;
+import android.view.ViewGroup;
+import android.widget.Button;
+import android.widget.LinearLayout;
+import android.widget.TextView;
+
+import org.isoron.helpers.DateHelper;
+import org.isoron.uhabits.R;
+import org.isoron.uhabits.loaders.HabitListLoader;
+import org.isoron.uhabits.models.Habit;
+import org.isoron.uhabits.models.Score;
+
+import java.util.GregorianCalendar;
+
+public class ListHabitsHelper
+{
+    public static final int INACTIVE_COLOR = Color.rgb(200, 200, 200);
+    public static final int INACTIVE_CHECKMARK_COLOR = Color.rgb(230, 230, 230);
+
+    private final Context context;
+    private final HabitListLoader loader;
+    private Typeface fontawesome;
+
+    public ListHabitsHelper(Context context, HabitListLoader loader)
+    {
+        this.context = context;
+        this.loader = loader;
+
+        fontawesome = Typeface.createFromAsset(context.getAssets(), "fontawesome-webfont.ttf");
+    }
+
+    public Typeface getFontawesome()
+    {
+        return fontawesome;
+    }
+
+    public int getButtonCount()
+    {
+        DisplayMetrics dm = context.getResources().getDisplayMetrics();
+        int width = (int) (dm.widthPixels / dm.density);
+        return Math.max(0, (int) ((width - 160) / 42.0));
+    }
+
+    public int getHabitNameWidth()
+    {
+        DisplayMetrics dm = context.getResources().getDisplayMetrics();
+        int width = (int) (dm.widthPixels / dm.density);
+        return (int) ((width - 30 - getButtonCount() * 42) * dm.density);
+    }
+
+    public void updateCheckmarkButtons(Habit habit, LinearLayout llButtons)
+    {
+        int activeColor = getActiveColor(habit);
+        int m = llButtons.getChildCount();
+        Long habitId = habit.getId();
+
+        int isChecked[] = loader.checkmarks.get(habitId);
+
+        for (int i = 0; i < m; i++)
+        {
+
+            TextView tvCheck = (TextView) llButtons.getChildAt(i);
+            tvCheck.setTag(R.string.habit_key, habitId);
+            tvCheck.setTag(R.string.offset_key, i);
+            if(isChecked.length > i)
+                updateCheckmark(activeColor, tvCheck, isChecked[i]);
+        }
+    }
+
+    public int getActiveColor(Habit habit)
+    {
+        int activeColor = habit.color;
+        if(habit.isArchived()) activeColor = INACTIVE_COLOR;
+
+        return activeColor;
+    }
+
+    public void initializeLabelAndIcon(View itemView)
+    {
+        TextView tvStar = (TextView) itemView.findViewById(R.id.tvStar);
+        tvStar.setTypeface(getFontawesome());
+
+        LinearLayout.LayoutParams params = new LinearLayout.LayoutParams(getHabitNameWidth(),
+                LinearLayout.LayoutParams.WRAP_CONTENT, 1);
+        itemView.findViewById(R.id.label).setLayoutParams(params);
+    }
+
+    public void updateNameAndIcon(Habit habit, TextView tvStar, TextView tvName)
+    {
+        int activeColor = getActiveColor(habit);
+
+        tvName.setText(habit.name);
+        tvName.setTextColor(activeColor);
+
+        if (habit.isArchived())
+        {
+            tvStar.setText(context.getString(R.string.fa_archive));
+            tvStar.setTextColor(activeColor);
+        }
+        else
+        {
+            int score = loader.scores.get(habit.getId());
+
+            if (score < Score.HALF_STAR_CUTOFF)
+            {
+                tvStar.setText(context.getString(R.string.fa_star_o));
+                tvStar.setTextColor(INACTIVE_COLOR);
+            }
+            else if (score < Score.FULL_STAR_CUTOFF)
+            {
+                tvStar.setText(context.getString(R.string.fa_star_half_o));
+                tvStar.setTextColor(INACTIVE_COLOR);
+            }
+            else
+            {
+                tvStar.setText(context.getString(R.string.fa_star));
+                tvStar.setTextColor(activeColor);
+            }
+        }
+    }
+
+    public void updateCheckmark(int activeColor, TextView tvCheck, int check)
+    {
+        switch (check)
+        {
+            case 2:
+                tvCheck.setText(R.string.fa_check);
+                tvCheck.setTextColor(activeColor);
+                tvCheck.setTag(R.string.toggle_key, 2);
+                break;
+
+            case 1:
+                tvCheck.setText(R.string.fa_check);
+                tvCheck.setTextColor(INACTIVE_CHECKMARK_COLOR);
+                tvCheck.setTag(R.string.toggle_key, 1);
+                break;
+
+            case 0:
+                tvCheck.setText(R.string.fa_times);
+                tvCheck.setTextColor(INACTIVE_CHECKMARK_COLOR);
+                tvCheck.setTag(R.string.toggle_key, 0);
+                break;
+        }
+    }
+
+    public void updateHabitBackground(View view, boolean isSelected)
+    {
+        if (isSelected)
+            view.setBackgroundResource(R.drawable.selected_box);
+        else
+        {
+            if (android.os.Build.VERSION.SDK_INT >= 21)
+                view.setBackgroundResource(R.drawable.ripple_white);
+            else view.setBackgroundResource(R.drawable.card_background);
+        }
+    }
+
+    public void inflateCheckmarkButtons(View view, View.OnLongClickListener onLongClickListener,
+                                        View.OnClickListener onClickListener, LayoutInflater inflater)
+    {
+        for (int i = 0; i < getButtonCount(); i++)
+        {
+            View check = inflater.inflate(R.layout.list_habits_item_check, null);
+            TextView btCheck = (TextView) check.findViewById(R.id.tvCheck);
+            btCheck.setTypeface(fontawesome);
+            btCheck.setOnLongClickListener(onLongClickListener);
+            btCheck.setOnClickListener(onClickListener);
+            ((LinearLayout) view.findViewById(R.id.llButtons)).addView(check);
+        }
+
+        view.setTag(R.id.timestamp_key, DateHelper.getStartOfToday());
+    }
+
+    public void updateHeader(ViewGroup header)
+    {
+        LayoutInflater inflater = LayoutInflater.from(context);
+        GregorianCalendar day = DateHelper.getStartOfTodayCalendar();
+        header.removeAllViews();
+
+        for (int i = 0; i < getButtonCount(); i++)
+        {
+            View tvDay = inflater.inflate(R.layout.list_habits_header_check, null);
+            Button btCheck = (Button) tvDay.findViewById(R.id.tvCheck);
+            btCheck.setText(DateHelper.formatHeaderDate(day));
+            header.addView(tvDay);
+
+            day.add(GregorianCalendar.DAY_OF_MONTH, -1);
+        }
+    }
+
+    public void updateEmptyMessage(View view)
+    {
+        if (loader.getLastLoadTimestamp() == null) view.setVisibility(View.GONE);
+        else view.setVisibility(loader.habits.size() > 0 ? View.GONE : View.VISIBLE);
+    }
+
+    public void toggleCheckmarkView(View v, Habit habit)
+    {
+        if (v.getTag(R.string.toggle_key).equals(2))
+            updateCheckmark(habit.color, (TextView) v, 0);
+        else
+            updateCheckmark(habit.color, (TextView) v, 2);
+    }
+}

app/src/main/java/org/isoron/uhabits/helpers/ReminderHelper.java

@@ -1,17 +1,20 @@
-/* Copyright (C) 2016 Alinson Santos Xavier
+/*
+ * Copyright (C) 2016 Álinson Santos Xavier <isoron@gmail.com>
  *
- * This program is free software: you can redistribute it and/or modify it
- * under the terms of the GNU General Public License as published by the Free
- * Software Foundation, either version 3 of the License, or (at your option)
- * any later version.
+ * This file is part of Loop Habit Tracker.
  *
- * This program is distributed in the hope that it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied  warranty of MERCHANTABILITY or
- * FITNESS  FOR  A PARTICULAR PURPOSE. See the GNU General Public License for
+ * Loop Habit Tracker is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by the
+ * Free Software Foundation, either version 3 of the License, or (at your
+ * option) any later version.
+ *
+ * Loop Habit Tracker is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
+ * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
  * more details.
  *
- * You  should  have  received  a  copy  of the GNU General Public License
- * along  with  this  program. If not, see <http://www.gnu.org/licenses/>.
+ * You should have received a copy of the GNU General Public License along
+ * with this program. If not, see <http://www.gnu.org/licenses/>.
  */
 
 package org.isoron.uhabits.helpers;

app/src/main/java/org/isoron/uhabits/io/CSVExporter.java

@@ -1,3 +1,22 @@
+/*
+ * Copyright (C) 2016 Álinson Santos Xavier <isoron@gmail.com>
+ *
+ * This file is part of Loop Habit Tracker.
+ *
+ * Loop Habit Tracker is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by the
+ * Free Software Foundation, either version 3 of the License, or (at your
+ * option) any later version.
+ *
+ * Loop Habit Tracker is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
+ * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
+ * more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
 package org.isoron.uhabits.io;
 
 import android.content.Context;

app/src/main/java/org/isoron/uhabits/loaders/HabitListLoader.java

@@ -1,20 +1,20 @@
 /*
- * Copyright (C) 2016 Alinson Santos Xavier
+ * Copyright (C) 2016 Álinson Santos Xavier <isoron@gmail.com>
  *
- * This program is free software: you can redistribute it and/or modify it
- * under the terms of the GNU General Public License as published by the Free
- * Software Foundation, either version 3 of the License, or (at your option)
- * any later version.
+ * This file is part of Loop Habit Tracker.
  *
- * This program is distributed in the hope that it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied  warranty of MERCHANTABILITY or
- * FITNESS  FOR  A PARTICULAR PURPOSE. See the GNU General Public License for
+ * Loop Habit Tracker is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by the
+ * Free Software Foundation, either version 3 of the License, or (at your
+ * option) any later version.
+ *
+ * Loop Habit Tracker is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
+ * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
  * more details.
  *
- * You  should  have  received  a  copy  of the GNU General Public License
- * along  with  this  program. If not, see <http://www.gnu.org/licenses/>.
- *
- *
+ * You should have received a copy of the GNU General Public License along
+ * with this program. If not, see <http://www.gnu.org/licenses/>.
  */
 
 package org.isoron.uhabits.loaders;

app/src/main/java/org/isoron/uhabits/models/Checkmark.java

@@ -1,17 +1,20 @@
-/* Copyright (C) 2016 Alinson Santos Xavier
+/*
+ * Copyright (C) 2016 Álinson Santos Xavier <isoron@gmail.com>
  *
- * This program is free software: you can redistribute it and/or modify it
- * under the terms of the GNU General Public License as published by the Free
- * Software Foundation, either version 3 of the License, or (at your option)
- * any later version.
+ * This file is part of Loop Habit Tracker.
  *
- * This program is distributed in the hope that it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied  warranty of MERCHANTABILITY or
- * FITNESS  FOR  A PARTICULAR PURPOSE. See the GNU General Public License for
+ * Loop Habit Tracker is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by the
+ * Free Software Foundation, either version 3 of the License, or (at your
+ * option) any later version.
+ *
+ * Loop Habit Tracker is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
+ * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
  * more details.
  *
- * You  should  have  received  a  copy  of the GNU General Public License
- * along  with  this  program. If not, see <http://www.gnu.org/licenses/>.
+ * You should have received a copy of the GNU General Public License along
+ * with this program. If not, see <http://www.gnu.org/licenses/>.
  */
 
 package org.isoron.uhabits.models;

app/src/main/java/org/isoron/uhabits/models/CheckmarkList.java

@@ -1,17 +1,20 @@
-/* Copyright (C) 2016 Alinson Santos Xavier
+/*
+ * Copyright (C) 2016 Álinson Santos Xavier <isoron@gmail.com>
  *
- * This program is free software: you can redistribute it and/or modify it
- * under the terms of the GNU General Public License as published by the Free
- * Software Foundation, either version 3 of the License, or (at your option)
- * any later version.
+ * This file is part of Loop Habit Tracker.
  *
- * This program is distributed in the hope that it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied  warranty of MERCHANTABILITY or
- * FITNESS  FOR  A PARTICULAR PURPOSE. See the GNU General Public License for
+ * Loop Habit Tracker is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by the
+ * Free Software Foundation, either version 3 of the License, or (at your
+ * option) any later version.
+ *
+ * Loop Habit Tracker is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
+ * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
  * more details.
  *
- * You  should  have  received  a  copy  of the GNU General Public License
- * along  with  this  program. If not, see <http://www.gnu.org/licenses/>.
+ * You should have received a copy of the GNU General Public License along
+ * with this program. If not, see <http://www.gnu.org/licenses/>.
  */
 
 package org.isoron.uhabits.models;

app/src/main/java/org/isoron/uhabits/models/Habit.java

@@ -1,17 +1,20 @@
-/* Copyright (C) 2016 Alinson Santos Xavier
+/*
+ * Copyright (C) 2016 Álinson Santos Xavier <isoron@gmail.com>
  *
- * This program is free software: you can redistribute it and/or modify it
- * under the terms of the GNU General Public License as published by the Free
- * Software Foundation, either version 3 of the License, or (at your option)
- * any later version.
+ * This file is part of Loop Habit Tracker.
  *
- * This program is distributed in the hope that it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied  warranty of MERCHANTABILITY or
- * FITNESS  FOR  A PARTICULAR PURPOSE. See the GNU General Public License for
+ * Loop Habit Tracker is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by the
+ * Free Software Foundation, either version 3 of the License, or (at your
+ * option) any later version.
+ *
+ * Loop Habit Tracker is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
+ * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
  * more details.
  *
- * You  should  have  received  a  copy  of the GNU General Public License
- * along  with  this  program. If not, see <http://www.gnu.org/licenses/>.
+ * You should have received a copy of the GNU General Public License along
+ * with this program. If not, see <http://www.gnu.org/licenses/>.
  */
 
 package org.isoron.uhabits.models;

app/src/main/java/org/isoron/uhabits/models/Repetition.java

@@ -1,17 +1,20 @@
-/* Copyright (C) 2016 Alinson Santos Xavier
+/*
+ * Copyright (C) 2016 Álinson Santos Xavier <isoron@gmail.com>
  *
- * This program is free software: you can redistribute it and/or modify it
- * under the terms of the GNU General Public License as published by the Free
- * Software Foundation, either version 3 of the License, or (at your option)
- * any later version.
+ * This file is part of Loop Habit Tracker.
  *
- * This program is distributed in the hope that it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied  warranty of MERCHANTABILITY or
- * FITNESS  FOR  A PARTICULAR PURPOSE. See the GNU General Public License for
+ * Loop Habit Tracker is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by the
+ * Free Software Foundation, either version 3 of the License, or (at your
+ * option) any later version.
+ *
+ * Loop Habit Tracker is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
+ * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
  * more details.
  *
- * You  should  have  received  a  copy  of the GNU General Public License
- * along  with  this  program. If not, see <http://www.gnu.org/licenses/>.
+ * You should have received a copy of the GNU General Public License along
+ * with this program. If not, see <http://www.gnu.org/licenses/>.
  */
 
 package org.isoron.uhabits.models;

app/src/main/java/org/isoron/uhabits/models/RepetitionList.java

@@ -1,27 +1,39 @@
-/* Copyright (C) 2016 Alinson Santos Xavier
+/*
+ * Copyright (C) 2016 Álinson Santos Xavier <isoron@gmail.com>
  *
- * This program is free software: you can redistribute it and/or modify it
- * under the terms of the GNU General Public License as published by the Free
- * Software Foundation, either version 3 of the License, or (at your option)
- * any later version.
+ * This file is part of Loop Habit Tracker.
  *
- * This program is distributed in the hope that it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied  warranty of MERCHANTABILITY or
- * FITNESS  FOR  A PARTICULAR PURPOSE. See the GNU General Public License for
+ * Loop Habit Tracker is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by the
+ * Free Software Foundation, either version 3 of the License, or (at your
+ * option) any later version.
+ *
+ * Loop Habit Tracker is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
+ * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
  * more details.
  *
- * You  should  have  received  a  copy  of the GNU General Public License
- * along  with  this  program. If not, see <http://www.gnu.org/licenses/>.
+ * You should have received a copy of the GNU General Public License along
+ * with this program. If not, see <http://www.gnu.org/licenses/>.
  */
 
 package org.isoron.uhabits.models;
 
+import android.database.Cursor;
+import android.database.sqlite.SQLiteDatabase;
+
+import com.activeandroid.Cache;
 import com.activeandroid.query.Delete;
 import com.activeandroid.query.From;
 import com.activeandroid.query.Select;
 
 import org.isoron.helpers.DateHelper;
 
+import java.util.Arrays;
+import java.util.Calendar;
+import java.util.GregorianCalendar;
+import java.util.HashMap;
+
 public class RepetitionList
 {
 
@@ -65,6 +77,8 @@ public class RepetitionList
 
     public void toggle(long timestamp)
     {
+        timestamp = DateHelper.getStartOfDay(timestamp);
+
         if (contains(timestamp))
         {
             delete(timestamp);
@@ -93,4 +107,53 @@ public class RepetitionList
         int reps[] = habit.checkmarks.getValues(today - DateHelper.millisecondsInOneDay, today);
         return (reps[0] > 0);
     }
+
+    public HashMap<Long, Integer[]> getWeekdayFrequency()
+    {
+        Repetition oldestRep = getOldest();
+        if(oldestRep == null) return new HashMap<>();
+
+        String query = "select strftime('%Y', timestamp / 1000, 'unixepoch') as year," +
+                "strftime('%m', timestamp / 1000, 'unixepoch') as month," +
+                "strftime('%w', timestamp / 1000, 'unixepoch') as weekday, " +
+                "count(*) from repetitions " +
+                "where habit = ? " +
+                "group by year, month, weekday";
+
+        String[] params = { habit.getId().toString() };
+
+        SQLiteDatabase db = Cache.openDatabase();
+        Cursor cursor = db.rawQuery(query, params);
+
+        if(!cursor.moveToFirst()) return new HashMap<>();
+
+        HashMap <Long, Integer[]> map = new HashMap<>();
+        GregorianCalendar date = DateHelper.getStartOfTodayCalendar();
+
+        do
+        {
+            int year = Integer.parseInt(cursor.getString(0));
+            int month = Integer.parseInt(cursor.getString(1));
+            int weekday = (Integer.parseInt(cursor.getString(2)) + 1) % 7;
+            int count = cursor.getInt(3);
+
+            date.set(year, month - 1, 1);
+            long timestamp = date.getTimeInMillis();
+
+            Integer[] list = map.get(timestamp);
+
+            if(list == null)
+            {
+                list = new Integer[7];
+                Arrays.fill(list, 0);
+                map.put(timestamp, list);
+            }
+
+            list[weekday] = count;
+        }
+        while (cursor.moveToNext());
+        cursor.close();
+
+        return map;
+    }
 }

app/src/main/java/org/isoron/uhabits/models/Score.java

@@ -1,17 +1,20 @@
-/* Copyright (C) 2016 Alinson Santos Xavier
+/*
+ * Copyright (C) 2016 Álinson Santos Xavier <isoron@gmail.com>
  *
- * This program is free software: you can redistribute it and/or modify it
- * under the terms of the GNU General Public License as published by the Free
- * Software Foundation, either version 3 of the License, or (at your option)
- * any later version.
+ * This file is part of Loop Habit Tracker.
  *
- * This program is distributed in the hope that it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied  warranty of MERCHANTABILITY or
- * FITNESS  FOR  A PARTICULAR PURPOSE. See the GNU General Public License for
+ * Loop Habit Tracker is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by the
+ * Free Software Foundation, either version 3 of the License, or (at your
+ * option) any later version.
+ *
+ * Loop Habit Tracker is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
+ * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
  * more details.
  *
- * You  should  have  received  a  copy  of the GNU General Public License
- * along  with  this  program. If not, see <http://www.gnu.org/licenses/>.
+ * You should have received a copy of the GNU General Public License along
+ * with this program. If not, see <http://www.gnu.org/licenses/>.
  */
 
 package org.isoron.uhabits.models;

app/src/main/java/org/isoron/uhabits/models/ScoreList.java

@@ -1,17 +1,20 @@
-/* Copyright (C) 2016 Alinson Santos Xavier
+/*
+ * Copyright (C) 2016 Álinson Santos Xavier <isoron@gmail.com>
  *
- * This program is free software: you can redistribute it and/or modify it
- * under the terms of the GNU General Public License as published by the Free
- * Software Foundation, either version 3 of the License, or (at your option)
- * any later version.
+ * This file is part of Loop Habit Tracker.
  *
- * This program is distributed in the hope that it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied  warranty of MERCHANTABILITY or
- * FITNESS  FOR  A PARTICULAR PURPOSE. See the GNU General Public License for
+ * Loop Habit Tracker is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by the
+ * Free Software Foundation, either version 3 of the License, or (at your
+ * option) any later version.
+ *
+ * Loop Habit Tracker is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
+ * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
  * more details.
  *
- * You  should  have  received  a  copy  of the GNU General Public License
- * along  with  this  program. If not, see <http://www.gnu.org/licenses/>.
+ * You should have received a copy of the GNU General Public License along
+ * with this program. If not, see <http://www.gnu.org/licenses/>.
  */
 
 package org.isoron.uhabits.models;
@@ -121,8 +124,11 @@ public class ScoreList
         return lastScore;
     }
 
-    public int[] getAllValues(Long fromTimestamp, Long toTimestamp, Integer divisor)
+    public int[] getAllValues(Long fromTimestamp, Long toTimestamp, Long divisor)
     {
+        // Force rebuild of the score table
+        getNewestValue();
+
         Long offset = toTimestamp - (divisor - 1) * DateHelper.millisecondsInOneDay;
 
         String query = "select ((timestamp - ?) / ?) as time, avg(score) from Score " +
@@ -151,7 +157,7 @@ public class ScoreList
 
     }
 
-    public int[] getAllValues(int divisor)
+    public int[] getAllValues(long divisor)
     {
         Repetition oldestRep = habit.repetitions.getOldest();
         if(oldestRep == null) return new int[0];

app/src/main/java/org/isoron/uhabits/models/Streak.java

@@ -1,17 +1,20 @@
-/* Copyright (C) 2016 Alinson Santos Xavier
+/*
+ * Copyright (C) 2016 Álinson Santos Xavier <isoron@gmail.com>
  *
- * This program is free software: you can redistribute it and/or modify it
- * under the terms of the GNU General Public License as published by the Free
- * Software Foundation, either version 3 of the License, or (at your option)
- * any later version.
+ * This file is part of Loop Habit Tracker.
  *
- * This program is distributed in the hope that it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied  warranty of MERCHANTABILITY or
- * FITNESS  FOR  A PARTICULAR PURPOSE. See the GNU General Public License for
+ * Loop Habit Tracker is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by the
+ * Free Software Foundation, either version 3 of the License, or (at your
+ * option) any later version.
+ *
+ * Loop Habit Tracker is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
+ * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
  * more details.
  *
- * You  should  have  received  a  copy  of the GNU General Public License
- * along  with  this  program. If not, see <http://www.gnu.org/licenses/>.
+ * You should have received a copy of the GNU General Public License along
+ * with this program. If not, see <http://www.gnu.org/licenses/>.
  */
 
 package org.isoron.uhabits.models;

app/src/main/java/org/isoron/uhabits/models/StreakList.java

@@ -1,17 +1,20 @@
-/* Copyright (C) 2016 Alinson Santos Xavier
+/*
+ * Copyright (C) 2016 Álinson Santos Xavier <isoron@gmail.com>
  *
- * This program is free software: you can redistribute it and/or modify it
- * under the terms of the GNU General Public License as published by the Free
- * Software Foundation, either version 3 of the License, or (at your option)
- * any later version.
+ * This file is part of Loop Habit Tracker.
  *
- * This program is distributed in the hope that it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied  warranty of MERCHANTABILITY or
- * FITNESS  FOR  A PARTICULAR PURPOSE. See the GNU General Public License for
+ * Loop Habit Tracker is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by the
+ * Free Software Foundation, either version 3 of the License, or (at your
+ * option) any later version.
+ *
+ * Loop Habit Tracker is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
+ * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
  * more details.
  *
- * You  should  have  received  a  copy  of the GNU General Public License
- * along  with  this  program. If not, see <http://www.gnu.org/licenses/>.
+ * You should have received a copy of the GNU General Public License along
+ * with this program. If not, see <http://www.gnu.org/licenses/>.
  */
 
 package org.isoron.uhabits.models;

app/src/main/java/org/isoron/uhabits/views/CheckmarkView.java

@@ -1,17 +1,20 @@
-/* Copyright (C) 2016 Alinson Santos Xavier
+/*
+ * Copyright (C) 2016 Álinson Santos Xavier <isoron@gmail.com>
  *
- * This program is free software: you can redistribute it and/or modify it
- * under the terms of the GNU General Public License as published by the Free
- * Software Foundation, either version 3 of the License, or (at your option)
- * any later version.
+ * This file is part of Loop Habit Tracker.
  *
- * This program is distributed in the hope that it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied  warranty of MERCHANTABILITY or
- * FITNESS  FOR  A PARTICULAR PURPOSE. See the GNU General Public License for
+ * Loop Habit Tracker is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by the
+ * Free Software Foundation, either version 3 of the License, or (at your
+ * option) any later version.
+ *
+ * Loop Habit Tracker is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
+ * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
  * more details.
  *
- * You  should  have  received  a  copy  of the GNU General Public License
- * along  with  this  program. If not, see <http://www.gnu.org/licenses/>.
+ * You should have received a copy of the GNU General Public License along
+ * with this program. If not, see <http://www.gnu.org/licenses/>.
  */
 
 package org.isoron.uhabits.views;

app/src/main/java/org/isoron/uhabits/views/HabitFrequencyView.java

@@ -0,0 +1,295 @@
+/*
+ * Copyright (C) 2016 Álinson Santos Xavier <isoron@gmail.com>
+ *
+ * This file is part of Loop Habit Tracker.
+ *
+ * Loop Habit Tracker is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by the
+ * Free Software Foundation, either version 3 of the License, or (at your
+ * option) any later version.
+ *
+ * Loop Habit Tracker is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
+ * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
+ * more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+package org.isoron.uhabits.views;
+
+import android.content.Context;
+import android.graphics.Canvas;
+import android.graphics.Color;
+import android.graphics.Paint;
+import android.graphics.RectF;
+import android.util.AttributeSet;
+
+import org.isoron.helpers.ColorHelper;
+import org.isoron.helpers.DateHelper;
+import org.isoron.uhabits.models.Habit;
+
+import java.text.SimpleDateFormat;
+import java.util.Calendar;
+import java.util.Date;
+import java.util.GregorianCalendar;
+import java.util.HashMap;
+import java.util.Locale;
+import java.util.Random;
+import java.util.TimeZone;
+
+public class HabitFrequencyView extends ScrollableDataView
+{
+
+    private Paint pGrid;
+    private float em;
+    private Habit habit;
+    private SimpleDateFormat dfMonth;
+    private SimpleDateFormat dfYear;
+
+    private Paint pText, pGraph;
+    private RectF rect, prevRect;
+    private int baseSize;
+    private int paddingTop;
+
+    private int columnWidth;
+    private int columnHeight;
+    private int nColumns;
+
+    private int textColor;
+    private int dimmedTextColor;
+    private int[] colors;
+    private int primaryColor;
+    private boolean isBackgroundTransparent;
+
+    private HashMap<Long, Integer[]> frequency;
+    private String wdays[];
+
+    public HabitFrequencyView(Context context, AttributeSet attrs)
+    {
+        super(context, attrs);
+        this.primaryColor = ColorHelper.palette[7];
+        this.frequency = new HashMap<>();
+        wdays = DateHelper.getShortDayNames();
+        init();
+    }
+
+    public void setHabit(Habit habit)
+    {
+        this.habit = habit;
+        createColors();
+        refreshData();
+        postInvalidate();
+    }
+
+    private void init()
+    {
+        refreshData();
+        createPaints();
+        createColors();
+
+        dfMonth = new SimpleDateFormat("MMM", Locale.getDefault());
+        dfYear = new SimpleDateFormat("yyyy", Locale.getDefault());
+
+        dfMonth.setTimeZone(TimeZone.getTimeZone("GMT"));
+        dfYear.setTimeZone(TimeZone.getTimeZone("GMT"));
+
+        rect = new RectF();
+        prevRect = new RectF();
+    }
+
+    private void createColors()
+    {
+        if(habit != null)
+            this.primaryColor = habit.color;
+
+        if (isBackgroundTransparent)
+        {
+            primaryColor = ColorHelper.setSaturation(primaryColor, 0.75f);
+            primaryColor = ColorHelper.setValue(primaryColor, 1.0f);
+
+            textColor = Color.argb(192, 255, 255, 255);
+            dimmedTextColor = Color.argb(128, 255, 255, 255);
+        }
+        else
+        {
+            textColor = Color.argb(64, 0, 0, 0);
+            dimmedTextColor = Color.argb(16, 0, 0, 0);
+        }
+
+        colors = new int[4];
+
+        colors[0] = Color.rgb(230, 230, 230);
+        colors[3] = primaryColor;
+        colors[1] = ColorHelper.mixColors(colors[0], colors[3], 0.66f);
+        colors[2] = ColorHelper.mixColors(colors[0], colors[3], 0.33f);
+    }
+
+    protected void createPaints()
+    {
+        pText = new Paint();
+        pText.setAntiAlias(true);
+
+        pGraph = new Paint();
+        pGraph.setTextAlign(Paint.Align.CENTER);
+        pGraph.setAntiAlias(true);
+
+        pGrid = new Paint();
+        pGrid.setAntiAlias(true);
+    }
+
+    @Override
+    protected void onMeasure(int widthMeasureSpec, int heightMeasureSpec)
+    {
+        int width = MeasureSpec.getSize(widthMeasureSpec);
+        int height = MeasureSpec.getSize(heightMeasureSpec);
+        setMeasuredDimension(width, height);
+    }
+
+    @Override
+    protected void onSizeChanged(int width, int height, int oldWidth, int oldHeight)
+    {
+        if(height < 9) height = 200;
+
+        baseSize = height / 8;
+        setScrollerBucketSize(baseSize);
+
+        columnWidth = baseSize;
+        columnHeight = 8 * baseSize;
+        nColumns = width / baseSize;
+        paddingTop = 0;
+
+        pText.setTextSize(baseSize * 0.4f);
+        pGraph.setTextSize(baseSize * 0.4f);
+        pGraph.setStrokeWidth(baseSize * 0.1f);
+        pGrid.setStrokeWidth(baseSize * 0.05f);
+        em = pText.getFontSpacing();
+    }
+
+    public void refreshData()
+    {
+        if(isInEditMode())
+            generateRandomData();
+        else if(habit != null)
+            frequency = habit.repetitions.getWeekdayFrequency();
+
+        invalidate();
+    }
+
+    private void generateRandomData()
+    {
+        GregorianCalendar date = DateHelper.getStartOfTodayCalendar();
+        date.set(Calendar.DAY_OF_MONTH, 1);
+        Random rand = new Random();
+        frequency.clear();
+
+        for(int i = 0; i < 40; i++)
+        {
+            Integer values[] = new Integer[7];
+            for(int j = 0; j < 7; j++)
+                values[j] = rand.nextInt(5);
+
+            frequency.put(date.getTimeInMillis(), values);
+            date.add(Calendar.MONTH, -1);
+        }
+    }
+
+    @Override
+    protected void onDraw(Canvas canvas)
+    {
+        super.onDraw(canvas);
+
+        rect.set(0, 0, nColumns * columnWidth, columnHeight);
+        rect.offset(0, paddingTop);
+
+        drawGrid(canvas, rect);
+
+        pText.setTextAlign(Paint.Align.CENTER);
+        pText.setColor(textColor);
+        pGraph.setColor(primaryColor);
+        prevRect.setEmpty();
+
+        GregorianCalendar currentDate = DateHelper.getStartOfTodayCalendar();
+
+        currentDate.set(Calendar.DAY_OF_MONTH, 1);
+        currentDate.add(Calendar.MONTH, -nColumns + 2 - getDataOffset());
+
+        for(int i = 0; i < nColumns - 1; i++)
+        {
+            rect.set(0, 0, columnWidth, columnHeight);
+            rect.offset(i * columnWidth, 0);
+
+            drawColumn(canvas, rect, currentDate);
+            currentDate.add(Calendar.MONTH, 1);
+        }
+    }
+
+    private void drawColumn(Canvas canvas, RectF rect, GregorianCalendar date)
+    {
+        Integer values[] = frequency.get(date.getTimeInMillis());
+        float rowHeight = rect.height() / 8.0f;
+        prevRect.set(rect);
+
+        for (int i = 0; i < 7; i++)
+        {
+            rect.set(0, 0, baseSize, baseSize);
+            rect.offset(prevRect.left, prevRect.top + columnWidth * i);
+
+            if(values != null)
+                drawMarker(canvas, rect, values[i]);
+
+            rect.offset(0, rowHeight);
+        }
+
+        drawFooter(canvas, rect, date);
+    }
+
+    private void drawFooter(Canvas canvas, RectF rect, GregorianCalendar date)
+    {
+        Date time = date.getTime();
+
+        canvas.drawText(dfMonth.format(time), rect.centerX(), rect.centerY() - 0.1f * em, pText);
+
+        if(date.get(Calendar.MONTH) == 1)
+            canvas.drawText(dfYear.format(time), rect.centerX(), rect.centerY() + 0.9f * em, pText);
+    }
+
+    private void drawMarker(Canvas canvas, RectF rect, Integer value)
+    {
+        float padding = rect.height() * 0.2f;
+        float radius = (rect.height() - 2 * padding) / 2.0f / 4.0f * Math.min(value, 4);
+
+        pGraph.setColor(colors[Math.min(3, Math.max(0, value - 1))]);
+        canvas.drawCircle(rect.centerX(), rect.centerY(), radius, pGraph);
+    }
+
+    private void drawGrid(Canvas canvas, RectF rGrid)
+    {
+        int nRows = 7;
+        float rowHeight = rGrid.height() / (nRows + 1);
+
+        pText.setTextAlign(Paint.Align.LEFT);
+        pText.setColor(textColor);
+        pGrid.setColor(dimmedTextColor);
+
+        for (int i = 0; i < nRows; i++)
+        {
+            canvas.drawText(wdays[i], rGrid.right - columnWidth,
+                    rGrid.top + rowHeight / 2 + 0.25f * em, pText);
+
+            pGrid.setStrokeWidth(1f);
+            canvas.drawLine(rGrid.left, rGrid.top, rGrid.right, rGrid.top, pGrid);
+
+            rGrid.offset(0, rowHeight);
+        }
+
+        canvas.drawLine(rGrid.left, rGrid.top, rGrid.right, rGrid.top, pGrid);
+    }
+
+    public void setIsBackgroundTransparent(boolean isBackgroundTransparent)
+    {
+        this.isBackgroundTransparent = isBackgroundTransparent;
+        createColors();
+    }
+}

app/src/main/java/org/isoron/uhabits/views/HabitHistoryView.java

@@ -1,17 +1,20 @@
-/* Copyright (C) 2016 Alinson Santos Xavier
+/*
+ * Copyright (C) 2016 Álinson Santos Xavier <isoron@gmail.com>
  *
- * This program is free software: you can redistribute it and/or modify it
- * under the terms of the GNU General Public License as published by the Free
- * Software Foundation, either version 3 of the License, or (at your option)
- * any later version.
+ * This file is part of Loop Habit Tracker.
  *
- * This program is distributed in the hope that it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied  warranty of MERCHANTABILITY or
- * FITNESS  FOR  A PARTICULAR PURPOSE. See the GNU General Public License for
+ * Loop Habit Tracker is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by the
+ * Free Software Foundation, either version 3 of the License, or (at your
+ * option) any later version.
+ *
+ * Loop Habit Tracker is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
+ * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
  * more details.
  *
- * You  should  have  received  a  copy  of the GNU General Public License
- * along  with  this  program. If not, see <http://www.gnu.org/licenses/>.
+ * You should have received a copy of the GNU General Public License along
+ * with this program. If not, see <http://www.gnu.org/licenses/>.
  */
 
 package org.isoron.uhabits.views;
@@ -22,10 +25,13 @@ import android.graphics.Color;
 import android.graphics.Paint;
 import android.graphics.Paint.Align;
 import android.graphics.Rect;
+import android.os.AsyncTask;
 import android.util.AttributeSet;
+import android.view.MotionEvent;
 
 import org.isoron.helpers.ColorHelper;
 import org.isoron.helpers.DateHelper;
+import org.isoron.uhabits.R;
 import org.isoron.uhabits.models.Habit;
 
 import java.text.SimpleDateFormat;
@@ -47,7 +53,6 @@ public class HabitHistoryView extends ScrollableDataView
     private int columnWidth;
     private int columnHeight;
     private int nColumns;
-    private int baseSize;
 
     private String wdays[];
     private SimpleDateFormat dfMonth;
@@ -62,11 +67,14 @@ public class HabitHistoryView extends ScrollableDataView
 
     private boolean isBackgroundTransparent;
     private int textColor;
+    private boolean isEditable;
 
     public HabitHistoryView(Context context, AttributeSet attrs)
     {
         super(context, attrs);
         this.primaryColor = ColorHelper.palette[7];
+        this.checkmarks = new int[0];
+        this.isEditable = false;
         init();
     }
 
@@ -74,12 +82,13 @@ public class HabitHistoryView extends ScrollableDataView
     {
         this.habit = habit;
         createColors();
-        fetchData();
+        refreshData();
         postInvalidate();
     }
 
     private void init()
     {
+        refreshData();
         createPaints();
         createColors();
 
@@ -92,11 +101,11 @@ public class HabitHistoryView extends ScrollableDataView
 
     private void updateDate()
     {
-        baseDate = new GregorianCalendar();
+        baseDate = DateHelper.getStartOfTodayCalendar();
         baseDate.add(Calendar.DAY_OF_YEAR, -(getDataOffset() - 1) * 7);
 
         nDays = (nColumns - 1) * 7;
-        todayWeekday = new GregorianCalendar().get(Calendar.DAY_OF_WEEK) % 7;
+        todayWeekday = DateHelper.getStartOfTodayCalendar().get(Calendar.DAY_OF_WEEK) % 7;
 
         baseDate.add(Calendar.DAY_OF_YEAR, -nDays);
         baseDate.add(Calendar.DAY_OF_YEAR, -todayWeekday);
@@ -114,23 +123,42 @@ public class HabitHistoryView extends ScrollableDataView
     protected void onSizeChanged(int width, int height, int oldWidth, int oldHeight)
     {
         if(height < 8) height = 200;
-
-        baseSize = height / 8;
+        int baseSize = height / 8;
         setScrollerBucketSize(baseSize);
 
-        columnWidth = baseSize;
-        columnHeight = 8 * baseSize;
-        nColumns = width / baseSize;
-
         squareSpacing = (int) Math.floor(baseSize / 15.0);
-        pSquareFg.setTextSize(baseSize * 0.5f);
-        pTextHeader.setTextSize(baseSize * 0.5f);
+        int maxTextSize = getResources().getDimensionPixelSize(R.dimen.history_max_font_size);
+        float textSize = Math.min(baseSize * 0.5f, maxTextSize);
+
+        pSquareFg.setTextSize(textSize);
+        pTextHeader.setTextSize(textSize);
         squareTextOffset = pSquareFg.getFontSpacing() * 0.4f;
         headerTextOffset = pTextHeader.getFontSpacing() * 0.3f;
 
+        int rightLabelWidth = getWeekdayLabelWidth();
+        int horizontalPadding = getPaddingRight() + getPaddingLeft();
+
+        columnWidth = baseSize;
+        columnHeight = 8 * baseSize;
+        nColumns = (width - rightLabelWidth - horizontalPadding) / baseSize + 1;
+
         updateDate();
     }
 
+    private int getWeekdayLabelWidth()
+    {
+        int width = 0;
+        Rect bounds = new Rect();
+
+        for(String w : wdays)
+        {
+            pSquareFg.getTextBounds(w, 0, w.length(), bounds);
+            width = Math.max(width, bounds.right);
+        }
+
+        return width;
+    }
+
     private void createColors()
     {
         if(habit != null)
@@ -176,22 +204,18 @@ public class HabitHistoryView extends ScrollableDataView
         pSquareFg.setTextAlign(Align.CENTER);
     }
 
-    protected void fetchData()
+    public void refreshData()
     {
         if(isInEditMode())
             generateRandomData();
         else
         {
-            if(habit == null)
-            {
-                checkmarks = new int[0];
-                return;
-            }
-
+            if(habit == null) return;
             checkmarks = habit.checkmarks.getAllValues();
         }
 
         updateDate();
+        invalidate();
     }
 
     private void generateRandomData()
@@ -223,6 +247,7 @@ public class HabitHistoryView extends ScrollableDataView
         super.onDraw(canvas);
 
         baseLocation.set(0, 0, columnWidth - squareSpacing, columnWidth - squareSpacing);
+        baseLocation.offset(getPaddingLeft(), getPaddingTop());
 
         previousMonth = "";
         previousYear = "";
@@ -285,8 +310,11 @@ public class HabitHistoryView extends ScrollableDataView
 
     private void drawColumnHeader(Canvas canvas, Rect location, GregorianCalendar date)
     {
-        String month = dfMonth.format(date.getTime());
-        String year = dfYear.format(date.getTime());
+        GregorianCalendar forwardDate = (GregorianCalendar) date.clone();
+        forwardDate.add(Calendar.DAY_OF_YEAR, 6);
+
+        String month = dfMonth.format(forwardDate.getTime());
+        String year = dfYear.format(forwardDate.getTime());
 
         if (!month.equals(previousMonth))
         {
@@ -326,4 +354,59 @@ public class HabitHistoryView extends ScrollableDataView
         this.isBackgroundTransparent = isBackgroundTransparent;
         createColors();
     }
+
+    @Override
+    public boolean onSingleTapUp(MotionEvent e)
+    {
+        if(!isEditable) return false;
+
+        int pointerId = e.getPointerId(0);
+        float x = e.getX(pointerId);
+        float y = e.getY(pointerId);
+
+        final Long timestamp = positionToTimestamp(x, y);
+        if(timestamp == null) return false;
+
+        new AsyncTask<Void, Void, Void>()
+        {
+            @Override
+            protected Void doInBackground(Void... params)
+            {
+                habit.repetitions.toggle(timestamp);
+                return null;
+            }
+
+            @Override
+            protected void onPostExecute(Void aVoid)
+            {
+                refreshData();
+                invalidate();
+            }
+        }.execute();
+
+        return true;
+    }
+
+    private Long positionToTimestamp(float x, float y)
+    {
+        int col = (int) (x / columnWidth);
+        int row = (int) (y / columnWidth);
+
+        if(row == 0) return null;
+        if(col == nColumns - 1) return null;
+
+        int offset = col * 7 + (row - 1);
+        Calendar date = (Calendar) baseDate.clone();
+        date.add(Calendar.DAY_OF_YEAR, offset);
+
+        if(DateHelper.getStartOfDay(date.getTimeInMillis()) > DateHelper.getStartOfToday())
+            return null;
+
+        return date.getTimeInMillis();
+    }
+
+    public void setIsEditable(boolean isEditable)
+    {
+        this.isEditable = isEditable;
+    }
 }

app/src/main/java/org/isoron/uhabits/views/HabitScoreView.java

@@ -1,17 +1,20 @@
-/* Copyright (C) 2016 Alinson Santos Xavier
+/*
+ * Copyright (C) 2016 Álinson Santos Xavier <isoron@gmail.com>
  *
- * This program is free software: you can redistribute it and/or modify it
- * under the terms of the GNU General Public License as published by the Free
- * Software Foundation, either version 3 of the License, or (at your option)
- * any later version.
+ * This file is part of Loop Habit Tracker.
  *
- * This program is distributed in the hope that it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied  warranty of MERCHANTABILITY or
- * FITNESS  FOR  A PARTICULAR PURPOSE. See the GNU General Public License for
+ * Loop Habit Tracker is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by the
+ * Free Software Foundation, either version 3 of the License, or (at your
+ * option) any later version.
+ *
+ * Loop Habit Tracker is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
+ * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
  * more details.
  *
- * You  should  have  received  a  copy  of the GNU General Public License
- * along  with  this  program. If not, see <http://www.gnu.org/licenses/>.
+ * You should have received a copy of the GNU General Public License along
+ * with this program. If not, see <http://www.gnu.org/licenses/>.
  */
 
 package org.isoron.uhabits.views;
@@ -68,6 +71,7 @@ public class HabitScoreView extends ScrollableDataView
     {
         super(context, attrs);
         this.primaryColor = ColorHelper.palette[7];
+        this.scores = new int[0];
         init();
     }
 
@@ -75,12 +79,13 @@ public class HabitScoreView extends ScrollableDataView
     {
         this.habit = habit;
         createColors();
-        fetchData();
+        refreshData();
         postInvalidate();
     }
 
     private void init()
     {
+        refreshData();
         createPaints();
         createColors();
 
@@ -159,21 +164,17 @@ public class HabitScoreView extends ScrollableDataView
         em = pText.getFontSpacing();
     }
 
-    protected void fetchData()
+    public void refreshData()
     {
         if(isInEditMode())
             generateRandomData();
         else
         {
-            if (habit == null)
-            {
-                scores = new int[0];
-                return;
-            }
-
+            if (habit == null) return;
             scores = habit.scores.getAllValues(BUCKET_SIZE * DateHelper.millisecondsInOneDay);
         }
 
+        invalidate();
     }
 
     private void generateRandomData()

app/src/main/java/org/isoron/uhabits/views/HabitStreakView.java

@@ -1,17 +1,20 @@
-/* Copyright (C) 2016 Alinson Santos Xavier
+/*
+ * Copyright (C) 2016 Álinson Santos Xavier <isoron@gmail.com>
  *
- * This program is free software: you can redistribute it and/or modify it
- * under the terms of the GNU General Public License as published by the Free
- * Software Foundation, either version 3 of the License, or (at your option)
- * any later version.
+ * This file is part of Loop Habit Tracker.
  *
- * This program is distributed in the hope that it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied  warranty of MERCHANTABILITY or
- * FITNESS  FOR  A PARTICULAR PURPOSE. See the GNU General Public License for
+ * Loop Habit Tracker is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by the
+ * Free Software Foundation, either version 3 of the License, or (at your
+ * option) any later version.
+ *
+ * Loop Habit Tracker is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
+ * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
  * more details.
  *
- * You  should  have  received  a  copy  of the GNU General Public License
- * along  with  this  program. If not, see <http://www.gnu.org/licenses/>.
+ * You should have received a copy of the GNU General Public License along
+ * with this program. If not, see <http://www.gnu.org/licenses/>.
  */
 
 package org.isoron.uhabits.views;
@@ -62,6 +65,7 @@ public class HabitStreakView extends ScrollableDataView
     {
         super(context, attrs);
         this.primaryColor = ColorHelper.palette[7];
+        startTimes = endTimes = lengths = new long[0];
         init();
     }
 
@@ -70,12 +74,13 @@ public class HabitStreakView extends ScrollableDataView
         this.habit = habit;
 
         createColors();
-        fetchData();
+        refreshData();
         postInvalidate();
     }
 
     private void init()
     {
+        refreshData();
         createPaints();
         createColors();
 
@@ -154,17 +159,13 @@ public class HabitStreakView extends ScrollableDataView
         pBar.setAntiAlias(true);
     }
 
-    protected void fetchData()
+    public void refreshData()
     {
         if(isInEditMode())
             generateRandomData();
         else
         {
-            if(habit == null)
-            {
-                startTimes = endTimes = lengths = new long[0];
-                return;
-            }
+            if(habit == null) return;
 
             List<Streak> streaks = habit.streaks.getAll();
             int size = streaks.size();
@@ -184,6 +185,8 @@ public class HabitStreakView extends ScrollableDataView
                 maxStreakLength = Math.max(maxStreakLength, s.length);
             }
         }
+
+        invalidate();
     }
 
     private void generateRandomData()

app/src/main/java/org/isoron/uhabits/views/RingView.java

@@ -1,17 +1,20 @@
-/* Copyright (C) 2016 Alinson Santos Xavier
+/*
+ * Copyright (C) 2016 Álinson Santos Xavier <isoron@gmail.com>
  *
- * This program is free software: you can redistribute it and/or modify it
- * under the terms of the GNU General Public License as published by the Free
- * Software Foundation, either version 3 of the License, or (at your option)
- * any later version.
+ * This file is part of Loop Habit Tracker.
  *
- * This program is distributed in the hope that it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied  warranty of MERCHANTABILITY or
- * FITNESS  FOR  A PARTICULAR PURPOSE. See the GNU General Public License for
+ * Loop Habit Tracker is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by the
+ * Free Software Foundation, either version 3 of the License, or (at your
+ * option) any later version.
+ *
+ * Loop Habit Tracker is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
+ * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
  * more details.
  *
- * You  should  have  received  a  copy  of the GNU General Public License
- * along  with  this  program. If not, see <http://www.gnu.org/licenses/>.
+ * You should have received a copy of the GNU General Public License along
+ * with this program. If not, see <http://www.gnu.org/licenses/>.
  */
 
 package org.isoron.uhabits.views;
@@ -21,6 +24,9 @@ import android.graphics.Canvas;
 import android.graphics.Color;
 import android.graphics.Paint;
 import android.graphics.RectF;
+import android.text.Layout;
+import android.text.StaticLayout;
+import android.text.TextPaint;
 import android.util.AttributeSet;
 import android.view.View;
 
@@ -34,10 +40,11 @@ public class RingView extends View
     private int size;
     private int color;
     private float percentage;
-    private Paint pRing;
-    private float lineHeight;
+    private float labelMarginTop;
+    private TextPaint pRing;
     private String label;
     private RectF rect;
+    private StaticLayout labelLayout;
 
     public RingView(Context context, AttributeSet attrs)
     {
@@ -65,12 +72,16 @@ public class RingView extends View
 
     private void init()
     {
-        pRing = new Paint();
+        pRing = new TextPaint();
         pRing.setAntiAlias(true);
         pRing.setColor(color);
         pRing.setTextAlign(Paint.Align.CENTER);
-        pRing.setTextSize(size * 0.2f);
-        lineHeight = pRing.getFontSpacing();
+
+        pRing.setTextSize(size * 0.15f);
+        labelMarginTop = size * 0.10f;
+        labelLayout = new StaticLayout(label, pRing, size, Layout.Alignment.ALIGN_NORMAL, 1.0f, 0f,
+                false);
+
         rect = new RectF();
     }
 
@@ -78,7 +89,11 @@ public class RingView extends View
     protected void onMeasure(int widthMeasureSpec, int heightMeasureSpec)
     {
         super.onMeasure(widthMeasureSpec, heightMeasureSpec);
-        setMeasuredDimension(size, size + (int) (2 * lineHeight));
+
+        int width = Math.max(size, labelLayout.getWidth());
+        int height = (int) (size + labelLayout.getHeight() + labelMarginTop);
+
+        setMeasuredDimension(width, height);
     }
 
     @Override
@@ -100,10 +115,12 @@ public class RingView extends View
 
         pRing.setColor(Color.GRAY);
         pRing.setTextSize(size * 0.2f);
+        float lineHeight = pRing.getFontSpacing();
         canvas.drawText(String.format("%.0f%%", percentage * 100), rect.centerX(),
                 rect.centerY() + lineHeight / 3, pRing);
 
         pRing.setTextSize(size * 0.15f);
-        canvas.drawText(label, size / 2, size + lineHeight * 1.2f, pRing);
+        canvas.translate(size / 2, size + labelMarginTop);
+        labelLayout.draw(canvas);
     }
 }

app/src/main/java/org/isoron/uhabits/views/ScrollableDataView.java

@@ -1,20 +1,20 @@
 /*
- * Copyright (C) 2016 Alinson Santos Xavier
+ * Copyright (C) 2016 Álinson Santos Xavier <isoron@gmail.com>
  *
- * This program is free software: you can redistribute it and/or modify it
- * under the terms of the GNU General Public License as published by the Free
- * Software Foundation, either version 3 of the License, or (at your option)
- * any later version.
+ * This file is part of Loop Habit Tracker.
  *
- * This program is distributed in the hope that it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied  warranty of MERCHANTABILITY or
- * FITNESS  FOR  A PARTICULAR PURPOSE. See the GNU General Public License for
+ * Loop Habit Tracker is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by the
+ * Free Software Foundation, either version 3 of the License, or (at your
+ * option) any later version.
+ *
+ * Loop Habit Tracker is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
+ * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
  * more details.
  *
- * You  should  have  received  a  copy  of the GNU General Public License
- * along  with  this  program. If not, see <http://www.gnu.org/licenses/>.
- *
- *
+ * You should have received a copy of the GNU General Public License along
+ * with this program. If not, see <http://www.gnu.org/licenses/>.
  */
 
 package org.isoron.uhabits.views;
@@ -58,8 +58,6 @@ public abstract class ScrollableDataView extends View implements GestureDetector
         scrollAnimator.addUpdateListener(this);
     }
 
-    protected abstract void fetchData();
-
     @Override
     public boolean onTouchEvent(MotionEvent event)
     {

app/src/main/java/org/isoron/uhabits/widgets/BaseWidgetProvider.java

@@ -1,17 +1,20 @@
-/* Copyright (C) 2016 Alinson Santos Xavier
+/*
+ * Copyright (C) 2016 Álinson Santos Xavier <isoron@gmail.com>
  *
- * This program is free software: you can redistribute it and/or modify it
- * under the terms of the GNU General Public License as published by the Free
- * Software Foundation, either version 3 of the License, or (at your option)
- * any later version.
+ * This file is part of Loop Habit Tracker.
  *
- * This program is distributed in the hope that it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied  warranty of MERCHANTABILITY or
- * FITNESS  FOR  A PARTICULAR PURPOSE. See the GNU General Public License for
+ * Loop Habit Tracker is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by the
+ * Free Software Foundation, either version 3 of the License, or (at your
+ * option) any later version.
+ *
+ * Loop Habit Tracker is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
+ * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
  * more details.
  *
- * You  should  have  received  a  copy  of the GNU General Public License
- * along  with  this  program. If not, see <http://www.gnu.org/licenses/>.
+ * You should have received a copy of the GNU General Public License along
+ * with this program. If not, see <http://www.gnu.org/licenses/>.
  */
 
 package org.isoron.uhabits.widgets;
@@ -22,7 +25,6 @@ import android.appwidget.AppWidgetProvider;
 import android.content.Context;
 import android.content.SharedPreferences;
 import android.graphics.Bitmap;
-import android.media.Image;
 import android.os.Build;
 import android.os.Bundle;
 import android.preference.PreferenceManager;
@@ -30,7 +32,6 @@ import android.util.Log;
 import android.view.LayoutInflater;
 import android.view.View;
 import android.widget.ImageView;
-import android.widget.LinearLayout;
 import android.widget.RemoteViews;
 
 import org.isoron.helpers.DialogHelper;
@@ -103,6 +104,14 @@ public abstract class BaseWidgetProvider extends AppWidgetProvider
         if(habitId < 0) return;
 
         Habit habit = Habit.get(habitId);
+        if(habit == null)
+        {
+            RemoteViews errorView = new RemoteViews(context.getPackageName(),
+                    R.layout.widget_error);
+            manager.updateAppWidget(widgetId, errorView);
+            return;
+        }
+
         View widgetView = buildCustomView(context, habit);
         measureCustomView(context, width, height, widgetView);
 

app/src/main/java/org/isoron/uhabits/widgets/CheckmarkWidgetProvider.java

@@ -1,17 +1,20 @@
-/* Copyright (C) 2016 Alinson Santos Xavier
+/*
+ * Copyright (C) 2016 Álinson Santos Xavier <isoron@gmail.com>
  *
- * This program is free software: you can redistribute it and/or modify it
- * under the terms of the GNU General Public License as published by the Free
- * Software Foundation, either version 3 of the License, or (at your option)
- * any later version.
+ * This file is part of Loop Habit Tracker.
  *
- * This program is distributed in the hope that it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied  warranty of MERCHANTABILITY or
- * FITNESS  FOR  A PARTICULAR PURPOSE. See the GNU General Public License for
+ * Loop Habit Tracker is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by the
+ * Free Software Foundation, either version 3 of the License, or (at your
+ * option) any later version.
+ *
+ * Loop Habit Tracker is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
+ * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
  * more details.
  *
- * You  should  have  received  a  copy  of the GNU General Public License
- * along  with  this  program. If not, see <http://www.gnu.org/licenses/>.
+ * You should have received a copy of the GNU General Public License along
+ * with this program. If not, see <http://www.gnu.org/licenses/>.
  */
 package org.isoron.uhabits.widgets;
 

app/src/main/java/org/isoron/uhabits/widgets/FrequencyWidgetProvider.java

@@ -0,0 +1,64 @@
+/*
+ * Copyright (C) 2016 Álinson Santos Xavier <isoron@gmail.com>
+ *
+ * This file is part of Loop Habit Tracker.
+ *
+ * Loop Habit Tracker is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by the
+ * Free Software Foundation, either version 3 of the License, or (at your
+ * option) any later version.
+ *
+ * Loop Habit Tracker is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
+ * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
+ * more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+package org.isoron.uhabits.widgets;
+
+import android.app.PendingIntent;
+import android.content.Context;
+import android.view.View;
+
+import org.isoron.uhabits.R;
+import org.isoron.uhabits.models.Habit;
+import org.isoron.uhabits.views.HabitFrequencyView;
+
+public class FrequencyWidgetProvider extends BaseWidgetProvider
+{
+    @Override
+    protected View buildCustomView(Context context, Habit habit)
+    {
+        HabitFrequencyView view = new HabitFrequencyView(context, null);
+        view.setIsBackgroundTransparent(true);
+        view.setHabit(habit);
+        return view;
+    }
+
+    @Override
+    protected PendingIntent getOnClickPendingIntent(Context context, Habit habit)
+    {
+        return null;
+    }
+
+    @Override
+    protected int getDefaultHeight()
+    {
+        return 200;
+    }
+
+    @Override
+    protected int getDefaultWidth()
+    {
+        return 200;
+    }
+
+    @Override
+    protected int getLayoutId()
+    {
+        return R.layout.widget_graph;
+    }
+}

app/src/main/java/org/isoron/uhabits/widgets/HabitPickerDialog.java

@@ -1,17 +1,20 @@
-/* Copyright (C) 2016 Alinson Santos Xavier
+/*
+ * Copyright (C) 2016 Álinson Santos Xavier <isoron@gmail.com>
  *
- * This program is free software: you can redistribute it and/or modify it
- * under the terms of the GNU General Public License as published by the Free
- * Software Foundation, either version 3 of the License, or (at your option)
- * any later version.
+ * This file is part of Loop Habit Tracker.
  *
- * This program is distributed in the hope that it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied  warranty of MERCHANTABILITY or
- * FITNESS  FOR  A PARTICULAR PURPOSE. See the GNU General Public License for
+ * Loop Habit Tracker is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by the
+ * Free Software Foundation, either version 3 of the License, or (at your
+ * option) any later version.
+ *
+ * Loop Habit Tracker is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
+ * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
  * more details.
  *
- * You  should  have  received  a  copy  of the GNU General Public License
- * along  with  this  program. If not, see <http://www.gnu.org/licenses/>.
+ * You should have received a copy of the GNU General Public License along
+ * with this program. If not, see <http://www.gnu.org/licenses/>.
  */
 
 package org.isoron.uhabits.widgets;

app/src/main/java/org/isoron/uhabits/widgets/HistoryWidgetProvider.java

@@ -1,17 +1,20 @@
-/* Copyright (C) 2016 Alinson Santos Xavier
+/*
+ * Copyright (C) 2016 Álinson Santos Xavier <isoron@gmail.com>
  *
- * This program is free software: you can redistribute it and/or modify it
- * under the terms of the GNU General Public License as published by the Free
- * Software Foundation, either version 3 of the License, or (at your option)
- * any later version.
+ * This file is part of Loop Habit Tracker.
  *
- * This program is distributed in the hope that it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied  warranty of MERCHANTABILITY or
- * FITNESS  FOR  A PARTICULAR PURPOSE. See the GNU General Public License for
+ * Loop Habit Tracker is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by the
+ * Free Software Foundation, either version 3 of the License, or (at your
+ * option) any later version.
+ *
+ * Loop Habit Tracker is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
+ * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
  * more details.
  *
- * You  should  have  received  a  copy  of the GNU General Public License
- * along  with  this  program. If not, see <http://www.gnu.org/licenses/>.
+ * You should have received a copy of the GNU General Public License along
+ * with this program. If not, see <http://www.gnu.org/licenses/>.
  */
 package org.isoron.uhabits.widgets;
 

app/src/main/java/org/isoron/uhabits/widgets/ScoreWidgetProvider.java

@@ -1,17 +1,20 @@
-/* Copyright (C) 2016 Alinson Santos Xavier
+/*
+ * Copyright (C) 2016 Álinson Santos Xavier <isoron@gmail.com>
  *
- * This program is free software: you can redistribute it and/or modify it
- * under the terms of the GNU General Public License as published by the Free
- * Software Foundation, either version 3 of the License, or (at your option)
- * any later version.
+ * This file is part of Loop Habit Tracker.
  *
- * This program is distributed in the hope that it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied  warranty of MERCHANTABILITY or
- * FITNESS  FOR  A PARTICULAR PURPOSE. See the GNU General Public License for
+ * Loop Habit Tracker is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by the
+ * Free Software Foundation, either version 3 of the License, or (at your
+ * option) any later version.
+ *
+ * Loop Habit Tracker is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
+ * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
  * more details.
  *
- * You  should  have  received  a  copy  of the GNU General Public License
- * along  with  this  program. If not, see <http://www.gnu.org/licenses/>.
+ * You should have received a copy of the GNU General Public License along
+ * with this program. If not, see <http://www.gnu.org/licenses/>.
  */
 package org.isoron.uhabits.widgets;
 

app/src/main/java/org/isoron/uhabits/widgets/StreakWidgetProvider.java

@@ -1,17 +1,20 @@
-/* Copyright (C) 2016 Alinson Santos Xavier
+/*
+ * Copyright (C) 2016 Álinson Santos Xavier <isoron@gmail.com>
  *
- * This program is free software: you can redistribute it and/or modify it
- * under the terms of the GNU General Public License as published by the Free
- * Software Foundation, either version 3 of the License, or (at your option)
- * any later version.
+ * This file is part of Loop Habit Tracker.
  *
- * This program is distributed in the hope that it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied  warranty of MERCHANTABILITY or
- * FITNESS  FOR  A PARTICULAR PURPOSE. See the GNU General Public License for
+ * Loop Habit Tracker is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by the
+ * Free Software Foundation, either version 3 of the License, or (at your
+ * option) any later version.
+ *
+ * Loop Habit Tracker is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
+ * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
  * more details.
  *
- * You  should  have  received  a  copy  of the GNU General Public License
- * along  with  this  program. If not, see <http://www.gnu.org/licenses/>.
+ * You should have received a copy of the GNU General Public License along
+ * with this program. If not, see <http://www.gnu.org/licenses/>.
  */
 package org.isoron.uhabits.widgets;
 

app/src/main/res/drawable-v21/habits_item_check_normal.xml

@@ -1,4 +1,23 @@
 <?xml version="1.0" encoding="utf-8"?>
+<!--
+  ~ Copyright (C) 2016 Álinson Santos Xavier <isoron@gmail.com>
+  ~
+  ~ This file is part of Loop Habit Tracker.
+  ~
+  ~ Loop Habit Tracker is free software: you can redistribute it and/or modify
+  ~ it under the terms of the GNU General Public License as published by the
+  ~ Free Software Foundation, either version 3 of the License, or (at your
+  ~ option) any later version.
+  ~
+  ~ Loop Habit Tracker is distributed in the hope that it will be useful, but
+  ~ WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
+  ~ or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
+  ~ more details.
+  ~
+  ~ You should have received a copy of the GNU General Public License along
+  ~ with this program. If not, see <http://www.gnu.org/licenses/>.
+  -->
+
 <layer-list xmlns:android="http://schemas.android.com/apk/res/android" >
     <item>
         <shape android:shape="oval" >

app/src/main/res/drawable-v21/habits_item_check_pressed.xml

@@ -1,4 +1,23 @@
 <?xml version="1.0" encoding="utf-8"?>
+<!--
+  ~ Copyright (C) 2016 Álinson Santos Xavier <isoron@gmail.com>
+  ~
+  ~ This file is part of Loop Habit Tracker.
+  ~
+  ~ Loop Habit Tracker is free software: you can redistribute it and/or modify
+  ~ it under the terms of the GNU General Public License as published by the
+  ~ Free Software Foundation, either version 3 of the License, or (at your
+  ~ option) any later version.
+  ~
+  ~ Loop Habit Tracker is distributed in the hope that it will be useful, but
+  ~ WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
+  ~ or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
+  ~ more details.
+  ~
+  ~ You should have received a copy of the GNU General Public License along
+  ~ with this program. If not, see <http://www.gnu.org/licenses/>.
+  -->
+
 <layer-list xmlns:android="http://schemas.android.com/apk/res/android" >
     <item>
         <shape android:shape="oval" >

app/src/main/res/drawable-v21/ripple_transparent.xml

@@ -1,3 +1,22 @@
+<!--
+  ~ Copyright (C) 2016 Álinson Santos Xavier <isoron@gmail.com>
+  ~
+  ~ This file is part of Loop Habit Tracker.
+  ~
+  ~ Loop Habit Tracker is free software: you can redistribute it and/or modify
+  ~ it under the terms of the GNU General Public License as published by the
+  ~ Free Software Foundation, either version 3 of the License, or (at your
+  ~ option) any later version.
+  ~
+  ~ Loop Habit Tracker is distributed in the hope that it will be useful, but
+  ~ WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
+  ~ or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
+  ~ more details.
+  ~
+  ~ You should have received a copy of the GNU General Public License along
+  ~ with this program. If not, see <http://www.gnu.org/licenses/>.
+  -->
+
 <ripple xmlns:android="http://schemas.android.com/apk/res/android"
         android:color="?android:colorControlHighlight">
 

app/src/main/res/drawable-v21/ripple_white.xml

@@ -1,3 +1,22 @@
+<!--
+  ~ Copyright (C) 2016 Álinson Santos Xavier <isoron@gmail.com>
+  ~
+  ~ This file is part of Loop Habit Tracker.
+  ~
+  ~ Loop Habit Tracker is free software: you can redistribute it and/or modify
+  ~ it under the terms of the GNU General Public License as published by the
+  ~ Free Software Foundation, either version 3 of the License, or (at your
+  ~ option) any later version.
+  ~
+  ~ Loop Habit Tracker is distributed in the hope that it will be useful, but
+  ~ WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
+  ~ or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
+  ~ more details.
+  ~
+  ~ You should have received a copy of the GNU General Public License along
+  ~ with this program. If not, see <http://www.gnu.org/licenses/>.
+  -->
+
 <ripple xmlns:android="http://schemas.android.com/apk/res/android"
         android:color="?android:colorControlHighlight">
 

app/src/main/res/drawable/card_background.xml

@@ -1,4 +1,23 @@
 <?xml version="1.0" encoding="utf-8"?>
+<!--
+  ~ Copyright (C) 2016 Álinson Santos Xavier <isoron@gmail.com>
+  ~
+  ~ This file is part of Loop Habit Tracker.
+  ~
+  ~ Loop Habit Tracker is free software: you can redistribute it and/or modify
+  ~ it under the terms of the GNU General Public License as published by the
+  ~ Free Software Foundation, either version 3 of the License, or (at your
+  ~ option) any later version.
+  ~
+  ~ Loop Habit Tracker is distributed in the hope that it will be useful, but
+  ~ WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
+  ~ or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
+  ~ more details.
+  ~
+  ~ You should have received a copy of the GNU General Public License along
+  ~ with this program. If not, see <http://www.gnu.org/licenses/>.
+  -->
+
 <layer-list xmlns:android="http://schemas.android.com/apk/res/android">
     <item
         android:top="0dp"

app/src/main/res/drawable/habits_item_check_normal.xml

@@ -1,4 +1,23 @@
 <?xml version="1.0" encoding="utf-8"?>
+<!--
+  ~ Copyright (C) 2016 Álinson Santos Xavier <isoron@gmail.com>
+  ~
+  ~ This file is part of Loop Habit Tracker.
+  ~
+  ~ Loop Habit Tracker is free software: you can redistribute it and/or modify
+  ~ it under the terms of the GNU General Public License as published by the
+  ~ Free Software Foundation, either version 3 of the License, or (at your
+  ~ option) any later version.
+  ~
+  ~ Loop Habit Tracker is distributed in the hope that it will be useful, but
+  ~ WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
+  ~ or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
+  ~ more details.
+  ~
+  ~ You should have received a copy of the GNU General Public License along
+  ~ with this program. If not, see <http://www.gnu.org/licenses/>.
+  -->
+
 <layer-list xmlns:android="http://schemas.android.com/apk/res/android" >
     <item>
         <shape android:shape="oval" >

app/src/main/res/drawable/habits_item_check_pressed.xml

@@ -1,4 +1,23 @@
 <?xml version="1.0" encoding="utf-8"?>
+<!--
+  ~ Copyright (C) 2016 Álinson Santos Xavier <isoron@gmail.com>
+  ~
+  ~ This file is part of Loop Habit Tracker.
+  ~
+  ~ Loop Habit Tracker is free software: you can redistribute it and/or modify
+  ~ it under the terms of the GNU General Public License as published by the
+  ~ Free Software Foundation, either version 3 of the License, or (at your
+  ~ option) any later version.
+  ~
+  ~ Loop Habit Tracker is distributed in the hope that it will be useful, but
+  ~ WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
+  ~ or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
+  ~ more details.
+  ~
+  ~ You should have received a copy of the GNU General Public License along
+  ~ with this program. If not, see <http://www.gnu.org/licenses/>.
+  -->
+
 <layer-list xmlns:android="http://schemas.android.com/apk/res/android" >
     <item>
         <shape android:shape="oval" >

app/src/main/res/drawable/habits_list_header_background.xml

@@ -1,4 +1,23 @@
 <?xml version="1.0" encoding="UTF-8"?>
+<!--
+  ~ Copyright (C) 2016 Álinson Santos Xavier <isoron@gmail.com>
+  ~
+  ~ This file is part of Loop Habit Tracker.
+  ~
+  ~ Loop Habit Tracker is free software: you can redistribute it and/or modify
+  ~ it under the terms of the GNU General Public License as published by the
+  ~ Free Software Foundation, either version 3 of the License, or (at your
+  ~ option) any later version.
+  ~
+  ~ Loop Habit Tracker is distributed in the hope that it will be useful, but
+  ~ WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
+  ~ or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
+  ~ more details.
+  ~
+  ~ You should have received a copy of the GNU General Public License along
+  ~ with this program. If not, see <http://www.gnu.org/licenses/>.
+  -->
+
 <layer-list xmlns:android="http://schemas.android.com/apk/res/android" >
 
     <item android:top="40dp">

app/src/main/res/drawable/selected_box.xml

@@ -1,4 +1,23 @@
 <?xml version="1.0" encoding="utf-8"?>
+<!--
+  ~ Copyright (C) 2016 Álinson Santos Xavier <isoron@gmail.com>
+  ~
+  ~ This file is part of Loop Habit Tracker.
+  ~
+  ~ Loop Habit Tracker is free software: you can redistribute it and/or modify
+  ~ it under the terms of the GNU General Public License as published by the
+  ~ Free Software Foundation, either version 3 of the License, or (at your
+  ~ option) any later version.
+  ~
+  ~ Loop Habit Tracker is distributed in the hope that it will be useful, but
+  ~ WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
+  ~ or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
+  ~ more details.
+  ~
+  ~ You should have received a copy of the GNU General Public License along
+  ~ with this program. If not, see <http://www.gnu.org/licenses/>.
+  -->
+
 <shape xmlns:android="http://schemas.android.com/apk/res/android" android:shape="rectangle" >
     <solid android:color="@color/grey_100" />
     <stroke android:width="2dip" android:color="@color/grey_500"/>

app/src/main/res/drawable/widget_background.xml

@@ -1,4 +1,23 @@
 <?xml version="1.0" encoding="utf-8"?>
+<!--
+  ~ Copyright (C) 2016 Álinson Santos Xavier <isoron@gmail.com>
+  ~
+  ~ This file is part of Loop Habit Tracker.
+  ~
+  ~ Loop Habit Tracker is free software: you can redistribute it and/or modify
+  ~ it under the terms of the GNU General Public License as published by the
+  ~ Free Software Foundation, either version 3 of the License, or (at your
+  ~ option) any later version.
+  ~
+  ~ Loop Habit Tracker is distributed in the hope that it will be useful, but
+  ~ WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
+  ~ or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
+  ~ more details.
+  ~
+  ~ You should have received a copy of the GNU General Public License along
+  ~ with this program. If not, see <http://www.gnu.org/licenses/>.
+  -->
+
 <shape xmlns:android="http://schemas.android.com/apk/res/android"
     android:shape="rectangle">
 

app/src/main/res/layout/about.xml

@@ -0,0 +1,169 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!--
+  ~ Copyright (C) 2016 Álinson Santos Xavier <isoron@gmail.com>
+  ~
+  ~ This file is part of Loop Habit Tracker.
+  ~
+  ~ Loop Habit Tracker is free software: you can redistribute it and/or modify
+  ~ it under the terms of the GNU General Public License as published by the
+  ~ Free Software Foundation, either version 3 of the License, or (at your
+  ~ option) any later version.
+  ~
+  ~ Loop Habit Tracker is distributed in the hope that it will be useful, but
+  ~ WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
+  ~ or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
+  ~ more details.
+  ~
+  ~ You should have received a copy of the GNU General Public License along
+  ~ with this program. If not, see <http://www.gnu.org/licenses/>.
+  -->
+
+<ScrollView xmlns:android="http://schemas.android.com/apk/res/android"
+            android:layout_width="fill_parent"
+            android:layout_height="fill_parent"
+            android:background="@color/windowBackground"
+            android:fillViewport="true">
+
+    <LinearLayout
+        style="@style/cardsListStyle">
+
+        <LinearLayout
+            style="@style/cardStyle"
+            android:gravity="center">
+
+            <ImageView
+                android:layout_width="100dp"
+                android:layout_height="100dp"
+                android:layout_margin="6dp"
+                android:src="@drawable/intro_icon_1"/>
+
+            <TextView
+                android:layout_width="wrap_content"
+                android:layout_height="wrap_content"
+                android:gravity="center"
+                android:textStyle="bold"
+                android:textSize="16sp"
+                android:layout_margin="6dp"
+                android:textColor="@color/blue_700"
+                android:text="@string/app_name"/>
+
+            <TextView
+                android:id="@+id/tvVersion"
+                android:layout_width="wrap_content"
+                android:layout_height="wrap_content"
+                android:gravity="center"
+                android:text=""/>
+
+        </LinearLayout>
+
+        <LinearLayout
+            style="@style/cardStyle"
+            android:gravity="center">
+
+            <TextView
+                style="@style/cardHeaderStyle"
+                android:text="@string/links"
+                android:textColor="@color/blue_700"/>
+
+            <TextView
+                android:id="@+id/tvRate"
+                style="@style/aboutClickableItemStyle"
+                android:text="@string/pref_rate_this_app"/>
+
+            <TextView
+                android:id="@+id/tvFeedback"
+                style="@style/aboutClickableItemStyle"
+                android:text="@string/pref_send_feedback"/>
+
+            <TextView
+                android:id="@+id/tvSource"
+                style="@style/aboutClickableItemStyle"
+                android:text="@string/pref_view_source_code"/>
+
+        </LinearLayout>
+
+        <LinearLayout
+            style="@style/cardStyle"
+            android:gravity="center">
+
+            <TextView
+                style="@style/cardHeaderStyle"
+                android:text="@string/developers"
+                android:textColor="@color/blue_700"/>
+
+            <TextView
+                style="@style/aboutItemStyle"
+                android:text="Álinson Xavier"/>
+        </LinearLayout>
+
+        <LinearLayout
+            style="@style/cardStyle"
+            android:gravity="center">
+
+            <TextView
+                style="@style/cardHeaderStyle"
+                android:text="@string/translators"
+                android:textColor="@color/blue_700"/>
+
+            <TextView
+                style="@style/aboutItemStyle"
+                android:text="Limin Lu (中文)"/>
+
+            <TextView
+                style="@style/aboutItemStyle"
+                android:text="François Mahé (Français)"/>
+
+            <TextView
+                style="@style/aboutItemStyle"
+                android:text="Naofumi F (日本語)"/>
+
+            <TextView
+                style="@style/aboutItemStyle"
+                android:text="Matthias Meisser (Deutsch)"/>
+
+            <TextView
+                style="@style/aboutItemStyle"
+                android:text="Al Alloush (العَرَبِية‎)"/>
+
+            <TextView
+                style="@style/aboutItemStyle"
+                android:text="Thibaut Girka (Français)"/>
+
+            <TextView
+                style="@style/aboutItemStyle"
+                android:text="Can Altas (Deutsch)"/>
+
+            <TextView
+                style="@style/aboutItemStyle"
+                android:text="Marco Cavazza (Italiano)"/>
+
+            <TextView
+                style="@style/aboutItemStyle"
+                android:text="Adam Jurkiewicz (Polski)"/>
+
+            <TextView
+                style="@style/aboutItemStyle"
+                android:text="Dmitriy Bogdanov (Русский)"/>
+
+            <TextView
+                style="@style/aboutItemStyle"
+                android:text="Dalecarlian (Svenska)"/>
+
+            <TextView
+                style="@style/aboutItemStyle"
+                android:text="Robin (Svenska)"/>
+
+            <TextView
+                style="@style/aboutItemStyle"
+                android:text="Josh (한국어 )"/>
+
+            <TextView
+                style="@style/aboutItemStyle"
+                android:text="Ander Raso Vazquez (Español)"/>
+
+            <TextView
+                style="@style/aboutItemStyle"
+                android:text="Álinson Xavier (Português)"/>
+        </LinearLayout>
+    </LinearLayout>
+</ScrollView>

app/src/main/res/layout/edit_habit.xml

@@ -1,3 +1,22 @@
+<!--
+  ~ Copyright (C) 2016 Álinson Santos Xavier <isoron@gmail.com>
+  ~
+  ~ This file is part of Loop Habit Tracker.
+  ~
+  ~ Loop Habit Tracker is free software: you can redistribute it and/or modify
+  ~ it under the terms of the GNU General Public License as published by the
+  ~ Free Software Foundation, either version 3 of the License, or (at your
+  ~ option) any later version.
+  ~
+  ~ Loop Habit Tracker is distributed in the hope that it will be useful, but
+  ~ WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
+  ~ or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
+  ~ more details.
+  ~
+  ~ You should have received a copy of the GNU General Public License along
+  ~ with this program. If not, see <http://www.gnu.org/licenses/>.
+  -->
+
 <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
     xmlns:tools="http://schemas.android.com/tools"
     android:id="@+id/container"

app/src/main/res/layout/list_habits_activity.xml

@@ -1,3 +1,22 @@
+<!--
+  ~ Copyright (C) 2016 Álinson Santos Xavier <isoron@gmail.com>
+  ~
+  ~ This file is part of Loop Habit Tracker.
+  ~
+  ~ Loop Habit Tracker is free software: you can redistribute it and/or modify
+  ~ it under the terms of the GNU General Public License as published by the
+  ~ Free Software Foundation, either version 3 of the License, or (at your
+  ~ option) any later version.
+  ~
+  ~ Loop Habit Tracker is distributed in the hope that it will be useful, but
+  ~ WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
+  ~ or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
+  ~ more details.
+  ~
+  ~ You should have received a copy of the GNU General Public License along
+  ~ with this program. If not, see <http://www.gnu.org/licenses/>.
+  -->
+
 <RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
     xmlns:tools="http://schemas.android.com/tools"
     android:id="@+id/container"

app/src/main/res/layout/list_habits_fragment.xml

@@ -1,4 +1,23 @@
 <?xml version="1.0" encoding="utf-8"?>
+<!--
+  ~ Copyright (C) 2016 Álinson Santos Xavier <isoron@gmail.com>
+  ~
+  ~ This file is part of Loop Habit Tracker.
+  ~
+  ~ Loop Habit Tracker is free software: you can redistribute it and/or modify
+  ~ it under the terms of the GNU General Public License as published by the
+  ~ Free Software Foundation, either version 3 of the License, or (at your
+  ~ option) any later version.
+  ~
+  ~ Loop Habit Tracker is distributed in the hope that it will be useful, but
+  ~ WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
+  ~ or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
+  ~ more details.
+  ~
+  ~ You should have received a copy of the GNU General Public License along
+  ~ with this program. If not, see <http://www.gnu.org/licenses/>.
+  -->
+
 <RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
                 xmlns:dslv="http://schemas.android.com/apk/res-auto"
                 android:layout_width="match_parent"

app/src/main/res/layout/list_habits_header_check.xml

@@ -1,4 +1,23 @@
 <?xml version="1.0" encoding="utf-8"?>
+<!--
+  ~ Copyright (C) 2016 Álinson Santos Xavier <isoron@gmail.com>
+  ~
+  ~ This file is part of Loop Habit Tracker.
+  ~
+  ~ Loop Habit Tracker is free software: you can redistribute it and/or modify
+  ~ it under the terms of the GNU General Public License as published by the
+  ~ Free Software Foundation, either version 3 of the License, or (at your
+  ~ option) any later version.
+  ~
+  ~ Loop Habit Tracker is distributed in the hope that it will be useful, but
+  ~ WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
+  ~ or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
+  ~ more details.
+  ~
+  ~ You should have received a copy of the GNU General Public License along
+  ~ with this program. If not, see <http://www.gnu.org/licenses/>.
+  -->
+
 <Button xmlns:android="http://schemas.android.com/apk/res/android"
     android:id="@+id/tvCheck"
     style="@style/habitsListHeaderCheckStyle" />

app/src/main/res/layout/list_habits_item.xml

@@ -1,4 +1,23 @@
 <?xml version="1.0" encoding="utf-8"?>
+<!--
+  ~ Copyright (C) 2016 Álinson Santos Xavier <isoron@gmail.com>
+  ~
+  ~ This file is part of Loop Habit Tracker.
+  ~
+  ~ Loop Habit Tracker is free software: you can redistribute it and/or modify
+  ~ it under the terms of the GNU General Public License as published by the
+  ~ Free Software Foundation, either version 3 of the License, or (at your
+  ~ option) any later version.
+  ~
+  ~ Loop Habit Tracker is distributed in the hope that it will be useful, but
+  ~ WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
+  ~ or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
+  ~ more details.
+  ~
+  ~ You should have received a copy of the GNU General Public License along
+  ~ with this program. If not, see <http://www.gnu.org/licenses/>.
+  -->
+
 <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
     android:id="@+id/llOuter"
     style="@style/habitsListItemStyle">

app/src/main/res/layout/list_habits_item_check.xml

@@ -1,4 +1,23 @@
 <?xml version="1.0" encoding="utf-8"?>
+<!--
+  ~ Copyright (C) 2016 Álinson Santos Xavier <isoron@gmail.com>
+  ~
+  ~ This file is part of Loop Habit Tracker.
+  ~
+  ~ Loop Habit Tracker is free software: you can redistribute it and/or modify
+  ~ it under the terms of the GNU General Public License as published by the
+  ~ Free Software Foundation, either version 3 of the License, or (at your
+  ~ option) any later version.
+  ~
+  ~ Loop Habit Tracker is distributed in the hope that it will be useful, but
+  ~ WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
+  ~ or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
+  ~ more details.
+  ~
+  ~ You should have received a copy of the GNU General Public License along
+  ~ with this program. If not, see <http://www.gnu.org/licenses/>.
+  -->
+
 <TextView xmlns:android="http://schemas.android.com/apk/res/android"
     android:id="@+id/tvCheck"
     style="@style/habitsListCheckStyle" />

app/src/main/res/layout/show_habit.xml

@@ -1,6 +1,25 @@
+<!--
+  ~ Copyright (C) 2016 Álinson Santos Xavier <isoron@gmail.com>
+  ~
+  ~ This file is part of Loop Habit Tracker.
+  ~
+  ~ Loop Habit Tracker is free software: you can redistribute it and/or modify
+  ~ it under the terms of the GNU General Public License as published by the
+  ~ Free Software Foundation, either version 3 of the License, or (at your
+  ~ option) any later version.
+  ~
+  ~ Loop Habit Tracker is distributed in the hope that it will be useful, but
+  ~ WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
+  ~ or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
+  ~ more details.
+  ~
+  ~ You should have received a copy of the GNU General Public License along
+  ~ with this program. If not, see <http://www.gnu.org/licenses/>.
+  -->
+
 <ScrollView xmlns:android="http://schemas.android.com/apk/res/android"
-            xmlns:tools="http://schemas.android.com/tools"
             xmlns:app="http://isoron.org/android"
+            xmlns:tools="http://schemas.android.com/tools"
             android:layout_width="fill_parent"
             android:layout_height="wrap_content"
             android:background="@color/windowBackground"
@@ -41,43 +60,63 @@
 
         </LinearLayout>
 
-        <LinearLayout style="@style/cardStyle">
+        <LinearLayout
+            style="@style/cardStyle"
+            android:clipToPadding="false"
+            android:orientation="vertical"
+            android:paddingBottom="0dp">
 
             <TextView
                 android:id="@+id/tvHistory"
                 style="@style/cardHeaderStyle"
                 android:text="@string/history"/>
 
-            <LinearLayout
-                android:id="@+id/llHistory"
-                android:layout_width="match_parent"
-                android:layout_height="wrap_content"
-                android:orientation="horizontal"/>
-
             <org.isoron.uhabits.views.HabitHistoryView
                 android:id="@+id/historyView"
                 android:layout_width="match_parent"
                 android:layout_height="160dp"/>
 
+            <Button
+                android:id="@+id/btEditHistory"
+                style="?android:borderlessButtonStyle"
+                android:layout_width="wrap_content"
+                android:layout_height="wrap_content"
+                android:layout_gravity="center"
+                android:src="@drawable/ic_action_edit_light"
+                android:text="@string/edit"
+                android:textColor="@color/grey_400"/>
+
         </LinearLayout>
 
-        <LinearLayout style="@style/cardStyle">
+        <LinearLayout
+            style="@style/cardStyle"
+            android:orientation="vertical">
 
             <TextView
                 android:id="@+id/tvStreaks"
                 style="@style/cardHeaderStyle"
                 android:text="@string/streaks"/>
 
-            <LinearLayout
-                android:id="@+id/llStreaks"
-                android:layout_width="match_parent"
-                android:layout_height="wrap_content"
-                android:orientation="horizontal"/>
-
             <org.isoron.uhabits.views.HabitStreakView
                 android:id="@+id/streakView"
                 android:layout_width="match_parent"
                 android:layout_height="200dp"/>
         </LinearLayout>
+
+        <LinearLayout
+            style="@style/cardStyle"
+            android:orientation="vertical">
+
+            <TextView
+                android:id="@+id/tvWeekdayFreq"
+                style="@style/cardHeaderStyle"
+                android:text="@string/frequency"/>
+
+            <org.isoron.uhabits.views.HabitFrequencyView
+                android:id="@+id/punchcardView"
+                android:layout_width="match_parent"
+                android:layout_height="200dp"/>
+
+        </LinearLayout>
     </LinearLayout>
 </ScrollView>

app/src/main/res/layout/show_habit_activity.xml

@@ -1,3 +1,22 @@
+<!--
+  ~ Copyright (C) 2016 Álinson Santos Xavier <isoron@gmail.com>
+  ~
+  ~ This file is part of Loop Habit Tracker.
+  ~
+  ~ Loop Habit Tracker is free software: you can redistribute it and/or modify
+  ~ it under the terms of the GNU General Public License as published by the
+  ~ Free Software Foundation, either version 3 of the License, or (at your
+  ~ option) any later version.
+  ~
+  ~ Loop Habit Tracker is distributed in the hope that it will be useful, but
+  ~ WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
+  ~ or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
+  ~ more details.
+  ~
+  ~ You should have received a copy of the GNU General Public License along
+  ~ with this program. If not, see <http://www.gnu.org/licenses/>.
+  -->
+
 <FrameLayout xmlns:android="http://schemas.android.com/apk/res/android"
     xmlns:tools="http://schemas.android.com/tools"
     android:id="@+id/container"

app/src/main/res/layout/small_widget_preview.xml

@@ -1,4 +1,23 @@
 <?xml version="1.0" encoding="utf-8"?>
+<!--
+  ~ Copyright (C) 2016 Álinson Santos Xavier <isoron@gmail.com>
+  ~
+  ~ This file is part of Loop Habit Tracker.
+  ~
+  ~ Loop Habit Tracker is free software: you can redistribute it and/or modify
+  ~ it under the terms of the GNU General Public License as published by the
+  ~ Free Software Foundation, either version 3 of the License, or (at your
+  ~ option) any later version.
+  ~
+  ~ Loop Habit Tracker is distributed in the hope that it will be useful, but
+  ~ WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
+  ~ or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
+  ~ more details.
+  ~
+  ~ You should have received a copy of the GNU General Public License along
+  ~ with this program. If not, see <http://www.gnu.org/licenses/>.
+  -->
+
 <LinearLayout
     xmlns:android="http://schemas.android.com/apk/res/android"
     android:layout_width="match_parent"

app/src/main/res/layout/widget_checkmark.xml

@@ -1,4 +1,23 @@
 <?xml version="1.0" encoding="utf-8"?>
+<!--
+  ~ Copyright (C) 2016 Álinson Santos Xavier <isoron@gmail.com>
+  ~
+  ~ This file is part of Loop Habit Tracker.
+  ~
+  ~ Loop Habit Tracker is free software: you can redistribute it and/or modify
+  ~ it under the terms of the GNU General Public License as published by the
+  ~ Free Software Foundation, either version 3 of the License, or (at your
+  ~ option) any later version.
+  ~
+  ~ Loop Habit Tracker is distributed in the hope that it will be useful, but
+  ~ WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
+  ~ or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
+  ~ more details.
+  ~
+  ~ You should have received a copy of the GNU General Public License along
+  ~ with this program. If not, see <http://www.gnu.org/licenses/>.
+  -->
+
 <LinearLayout
     xmlns:android="http://schemas.android.com/apk/res/android"
     android:layout_width="match_parent"

app/src/main/res/layout/widget_configure_activity.xml

@@ -1,4 +1,23 @@
 <?xml version="1.0" encoding="utf-8"?>
+<!--
+  ~ Copyright (C) 2016 Álinson Santos Xavier <isoron@gmail.com>
+  ~
+  ~ This file is part of Loop Habit Tracker.
+  ~
+  ~ Loop Habit Tracker is free software: you can redistribute it and/or modify
+  ~ it under the terms of the GNU General Public License as published by the
+  ~ Free Software Foundation, either version 3 of the License, or (at your
+  ~ option) any later version.
+  ~
+  ~ Loop Habit Tracker is distributed in the hope that it will be useful, but
+  ~ WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
+  ~ or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
+  ~ more details.
+  ~
+  ~ You should have received a copy of the GNU General Public License along
+  ~ with this program. If not, see <http://www.gnu.org/licenses/>.
+  -->
+
 <ListView android:id="@+id/listView"
           xmlns:android="http://schemas.android.com/apk/res/android"
           android:layout_width="match_parent"

app/src/main/res/layout/widget_error.xml

@@ -0,0 +1,41 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!--
+  ~ Copyright (C) 2016 Álinson Santos Xavier <isoron@gmail.com>
+  ~
+  ~ This file is part of Loop Habit Tracker.
+  ~
+  ~ Loop Habit Tracker is free software: you can redistribute it and/or modify
+  ~ it under the terms of the GNU General Public License as published by the
+  ~ Free Software Foundation, either version 3 of the License, or (at your
+  ~ option) any later version.
+  ~
+  ~ Loop Habit Tracker is distributed in the hope that it will be useful, but
+  ~ WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
+  ~ or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
+  ~ more details.
+  ~
+  ~ You should have received a copy of the GNU General Public License along
+  ~ with this program. If not, see <http://www.gnu.org/licenses/>.
+  -->
+
+<LinearLayout
+    xmlns:android="http://schemas.android.com/apk/res/android"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent"
+    android:background="@drawable/widget_background"
+    android:gravity="center"
+    android:orientation="vertical"
+    android:paddingTop="4dp"
+    android:paddingBottom="0dp"
+    android:paddingLeft="8dp"
+    android:paddingRight="8dp">
+
+    <TextView
+        android:id="@+id/label"
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:gravity="center"
+        android:text="Habit not found"
+        android:textColor="#ffffff"/>
+
+</LinearLayout>

app/src/main/res/layout/widget_graph.xml

@@ -1,4 +1,23 @@
 <?xml version="1.0" encoding="utf-8"?>
+<!--
+  ~ Copyright (C) 2016 Álinson Santos Xavier <isoron@gmail.com>
+  ~
+  ~ This file is part of Loop Habit Tracker.
+  ~
+  ~ Loop Habit Tracker is free software: you can redistribute it and/or modify
+  ~ it under the terms of the GNU General Public License as published by the
+  ~ Free Software Foundation, either version 3 of the License, or (at your
+  ~ option) any later version.
+  ~
+  ~ Loop Habit Tracker is distributed in the hope that it will be useful, but
+  ~ WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
+  ~ or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
+  ~ more details.
+  ~
+  ~ You should have received a copy of the GNU General Public License along
+  ~ with this program. If not, see <http://www.gnu.org/licenses/>.
+  -->
+
 <LinearLayout
     xmlns:android="http://schemas.android.com/apk/res/android"
     android:layout_width="match_parent"

app/src/main/res/menu-v21/list_habits_context.xml

@@ -1,4 +1,23 @@
 <?xml version="1.0" encoding="utf-8"?>
+<!--
+  ~ Copyright (C) 2016 Álinson Santos Xavier <isoron@gmail.com>
+  ~
+  ~ This file is part of Loop Habit Tracker.
+  ~
+  ~ Loop Habit Tracker is free software: you can redistribute it and/or modify
+  ~ it under the terms of the GNU General Public License as published by the
+  ~ Free Software Foundation, either version 3 of the License, or (at your
+  ~ option) any later version.
+  ~
+  ~ Loop Habit Tracker is distributed in the hope that it will be useful, but
+  ~ WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
+  ~ or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
+  ~ more details.
+  ~
+  ~ You should have received a copy of the GNU General Public License along
+  ~ with this program. If not, see <http://www.gnu.org/licenses/>.
+  -->
+
 <menu xmlns:android="http://schemas.android.com/apk/res/android">
 
     <item

app/src/main/res/menu-v21/list_habits_options.xml

@@ -1,3 +1,22 @@
+<!--
+  ~ Copyright (C) 2016 Álinson Santos Xavier <isoron@gmail.com>
+  ~
+  ~ This file is part of Loop Habit Tracker.
+  ~
+  ~ Loop Habit Tracker is free software: you can redistribute it and/or modify
+  ~ it under the terms of the GNU General Public License as published by the
+  ~ Free Software Foundation, either version 3 of the License, or (at your
+  ~ option) any later version.
+  ~
+  ~ Loop Habit Tracker is distributed in the hope that it will be useful, but
+  ~ WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
+  ~ or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
+  ~ more details.
+  ~
+  ~ You should have received a copy of the GNU General Public License along
+  ~ with this program. If not, see <http://www.gnu.org/licenses/>.
+  -->
+
 <menu xmlns:android="http://schemas.android.com/apk/res/android"
     xmlns:tools="http://schemas.android.com/tools"
     tools:context="org.isoron.uhabits.MainActivity" >

app/src/main/res/menu-v21/show_habit_fragment_menu.xml

@@ -1,4 +1,23 @@
 <?xml version="1.0" encoding="utf-8"?>
+<!--
+  ~ Copyright (C) 2016 Álinson Santos Xavier <isoron@gmail.com>
+  ~
+  ~ This file is part of Loop Habit Tracker.
+  ~
+  ~ Loop Habit Tracker is free software: you can redistribute it and/or modify
+  ~ it under the terms of the GNU General Public License as published by the
+  ~ Free Software Foundation, either version 3 of the License, or (at your
+  ~ option) any later version.
+  ~
+  ~ Loop Habit Tracker is distributed in the hope that it will be useful, but
+  ~ WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
+  ~ or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
+  ~ more details.
+  ~
+  ~ You should have received a copy of the GNU General Public License along
+  ~ with this program. If not, see <http://www.gnu.org/licenses/>.
+  -->
+
 <menu xmlns:android="http://schemas.android.com/apk/res/android">
 
     <item

app/src/main/res/menu/list_habits_context.xml

@@ -1,4 +1,23 @@
 <?xml version="1.0" encoding="utf-8"?>
+<!--
+  ~ Copyright (C) 2016 Álinson Santos Xavier <isoron@gmail.com>
+  ~
+  ~ This file is part of Loop Habit Tracker.
+  ~
+  ~ Loop Habit Tracker is free software: you can redistribute it and/or modify
+  ~ it under the terms of the GNU General Public License as published by the
+  ~ Free Software Foundation, either version 3 of the License, or (at your
+  ~ option) any later version.
+  ~
+  ~ Loop Habit Tracker is distributed in the hope that it will be useful, but
+  ~ WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
+  ~ or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
+  ~ more details.
+  ~
+  ~ You should have received a copy of the GNU General Public License along
+  ~ with this program. If not, see <http://www.gnu.org/licenses/>.
+  -->
+
 <menu xmlns:android="http://schemas.android.com/apk/res/android">
 
     <item

app/src/main/res/menu/list_habits_menu.xml

@@ -1,3 +1,22 @@
+<!--
+  ~ Copyright (C) 2016 Álinson Santos Xavier <isoron@gmail.com>
+  ~
+  ~ This file is part of Loop Habit Tracker.
+  ~
+  ~ Loop Habit Tracker is free software: you can redistribute it and/or modify
+  ~ it under the terms of the GNU General Public License as published by the
+  ~ Free Software Foundation, either version 3 of the License, or (at your
+  ~ option) any later version.
+  ~
+  ~ Loop Habit Tracker is distributed in the hope that it will be useful, but
+  ~ WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
+  ~ or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
+  ~ more details.
+  ~
+  ~ You should have received a copy of the GNU General Public License along
+  ~ with this program. If not, see <http://www.gnu.org/licenses/>.
+  -->
+
 <menu xmlns:android="http://schemas.android.com/apk/res/android"
       xmlns:app="http://schemas.android.com/apk/res-auto"
       xmlns:tools="http://schemas.android.com/tools"
@@ -15,4 +34,10 @@
         android:title="@string/action_settings"
         app:showAsAction="never"/>
 
+    <item
+        android:id="@+id/action_about"
+        android:orderInCategory="100"
+        android:title="@string/about"
+        app:showAsAction="never"/>
+
 </menu>

app/src/main/res/menu/list_habits_options.xml

@@ -1,3 +1,22 @@
+<!--
+  ~ Copyright (C) 2016 Álinson Santos Xavier <isoron@gmail.com>
+  ~
+  ~ This file is part of Loop Habit Tracker.
+  ~
+  ~ Loop Habit Tracker is free software: you can redistribute it and/or modify
+  ~ it under the terms of the GNU General Public License as published by the
+  ~ Free Software Foundation, either version 3 of the License, or (at your
+  ~ option) any later version.
+  ~
+  ~ Loop Habit Tracker is distributed in the hope that it will be useful, but
+  ~ WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
+  ~ or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
+  ~ more details.
+  ~
+  ~ You should have received a copy of the GNU General Public License along
+  ~ with this program. If not, see <http://www.gnu.org/licenses/>.
+  -->
+
 <menu xmlns:android="http://schemas.android.com/apk/res/android"
       xmlns:tools="http://schemas.android.com/tools"
       tools:context="org.isoron.uhabits.MainActivity">

app/src/main/res/menu/show_habit_activity_menu.xml

@@ -1,12 +0,0 @@
-<menu xmlns:android="http://schemas.android.com/apk/res/android"
-      xmlns:app="http://schemas.android.com/apk/res-auto"
-      xmlns:tools="http://schemas.android.com/tools"
-      tools:context="org.isoron.uhabits.ShowHabitActivity">
-
-    <item
-        android:id="@+id/action_settings"
-        android:orderInCategory="100"
-        android:title="@string/action_settings"
-        app:showAsAction="never"/>
-
-</menu>

app/src/main/res/menu/show_habit_fragment_menu.xml

@@ -1,4 +1,23 @@
 <?xml version="1.0" encoding="utf-8"?>
+<!--
+  ~ Copyright (C) 2016 Álinson Santos Xavier <isoron@gmail.com>
+  ~
+  ~ This file is part of Loop Habit Tracker.
+  ~
+  ~ Loop Habit Tracker is free software: you can redistribute it and/or modify
+  ~ it under the terms of the GNU General Public License as published by the
+  ~ Free Software Foundation, either version 3 of the License, or (at your
+  ~ option) any later version.
+  ~
+  ~ Loop Habit Tracker is distributed in the hope that it will be useful, but
+  ~ WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
+  ~ or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
+  ~ more details.
+  ~
+  ~ You should have received a copy of the GNU General Public License along
+  ~ with this program. If not, see <http://www.gnu.org/licenses/>.
+  -->
+
 <menu xmlns:android="http://schemas.android.com/apk/res/android">
 
     <item

app/src/main/res/values-ar/strings.xml

@@ -0,0 +1,119 @@
+<?xml version="1.0" encoding="utf-8"?>
+<resources>
+
+<!-- There is no letter P in arabic so the name is unfortunately translated to "Loob" -->
+<string name="app_name">"لوب  ملاحق العادة "</string>
+<string name="main_activity_title">"عادات"</string>
+<string name="action_settings">"إعدادات"</string>
+<string name="edit">"تعديل"</string>
+<string name="delete">"حذف"</string>
+<string name="archive">"أرشيف"</string>
+<string name="unarchive">"إزالة من الأرشيف"</string>
+<string name="add_habit">"إضافة العادة"</string>
+<string name="color_picker_default_title">"غير اللون"</string>
+<string name="toast_habit_created">"تم صنع عادة "</string>
+<string name="toast_habit_deleted">"تم حذف عادة "</string>
+<string name="toast_habit_restored">"تم  ترجيع عادة"</string>
+<string name="toast_nothing_to_undo">"لا شيء للتراجع"</string>
+<string name="toast_nothing_to_redo">"لا شيء لتكرار"</string>
+<string name="toast_habit_changed">"تم تغييرعادة"</string>
+
+<!-- This appears when the user edits a habit, and then undoes the action. The habit is "changed back" to what is was before. Alternatively, "Habit restored". -->
+<string name="toast_habit_changed_back">"تم ترجيع العادة إلى أصلها"</string>
+<string name="toast_habit_archived">"تم أرشيف العادات"</string>
+<string name="toast_habit_unarchived">"تم إزالة العادة من الأرشيف "</string>
+<string name="overview">"نظرة عامة"</string>
+<string name="habit_strength">"قوة العادة"</string>
+<string name="history">"التاريخ"</string>
+<string name="clear">"مسح"</string>
+<string name="description_hint">"السؤال (هل ... اليوم؟)"</string>
+
+<!-- This and the next two terms form the sentence "Repeat 3 times in 7 days" that you see when you create a habit. Let me know if you have trouble adapting this into your language. -->
+<string name="repeat">"كرر"</string>
+<string name="times_every">"مرات في"</string>
+<string name="days">"أيام"</string>
+<string name="reminder">"تذكير"</string>
+<string name="discard">"حذف"</string>
+<string name="save">"حفظ"</string>
+<string name="streaks">"تقدم متتالية"</string>
+<string name="no_habits_found">" لا يوجد لديك عادات مفعله"</string>
+<string name="long_press_to_toggle">"أضغط و إستمر لتحقق أو ازل"</string>
+<string name="reminder_off">"أوقف"</string>
+<string name="validation_name_should_not_be_blank">"لا يمكن أن يكون الإسم فارغ"</string>
+<string name="validation_number_should_be_positive">"يجب أن يكون الرقم إيجابي"</string>
+<string name="validation_at_most_one_rep_per_day">"يمكن أن يكون التكرار واحدة فقط كل يوم "</string>
+<string name="create_habit">"اخلق عادة"</string>
+<string name="edit_habit">"تعديل العادة"</string>
+<string name="check">"حقق"</string>
+<string name="snooze">"لاحقا"</string>
+
+<!-- App introduction -->
+<string name="intro_title_1">"أهلا بك"</string>
+<string name="intro_description_1">"لوب يساعدك على خلق والحفاظ على العادات الجيدة."</string>
+<string name="intro_title_2">"إنشاء بعض عادات جديدة"</string>
+<string name="intro_description_2">"كل يوم، بعد أداء عادتك، وضع علامة على التطبيق."</string>
+<string name="intro_title_3">"حافظ على القيام بذلك"</string>
+<string name="intro_description_3">"العادة المستمرة لفترات طويلة تكسب نجمة كامله"</string>
+<string name="intro_title_4">"تتبع تقدمك"</string>
+<string name="intro_description_4">"رسوم بيانية مفصلة تبين لكم كيف تحسن عاداتك مع مرور الوقت."</string>
+<string name="interval_15_minutes">"15 دقيقة"</string>
+<string name="interval_30_minutes">"30 دقيقة"</string>
+<string name="interval_1_hour">"ساعة واحدة"</string>
+<string name="interval_2_hour">"ساعتين"</string>
+<string name="interval_4_hour">"أربع ساعات"</string>
+<string name="interval_8_hour">"ثماني ساعات"</string>
+<string name="pref_toggle_title">"تبديل بكبسه"</string>
+<string name="pref_toggle_description">"أكثر سهولة، لكنه ممكن يسبب كبسات غير مقصوده"</string>
+<string name="pref_snooze_interval_title">"فترتي الغفوى على التذكير"</string>
+<string name="pref_rate_this_app">"تقييم هذا التطبيق على جوجل بلاي"</string>
+<string name="pref_send_feedback">"أرسل الملاحظات إلى المطور"</string>
+<string name="pref_view_source_code">"إفحص التعليمات البرمجية على GitHub"</string>
+<string name="pref_view_app_introduction">"عرض المقدمه"</string>
+<string name="links">"روابط"</string>
+<string name="behavior">"سلوك"</string>
+<string name="name">"اسم"</string>
+<string name="show_archived">"عرض أرشفة"</string>
+<string name="settings">"إعدادات"</string>
+<string name="snooze_interval">"فترتي الغفوه"</string>
+<string name="hint_title">"هل كنت تعلم؟"</string>
+<string name="hint_drag">"لإعادة ترتيب القوائم، أضغط اسم من هذه العادة، ثم اسحبه إلى المكان الصحيح."</string>
+<string name="hint_landscape">"يمكنك ان ترى المزيد أيام عن طريق وضع الهاتف في وضع أفقي."</string>
+<string name="delete_habits">"حذف عادات"</string>
+<string name="delete_habits_message">"سيتم حذف عادات بشكل دائم. هذا العمل لا يمكن التراجع عنه."</string>
+<string name="weekends">"عطلة نهاية الأسبوع"</string>
+<string name="any_weekday">"أيام الأسبوع"</string>
+<string name="any_day">"أي يوم"</string>
+
+<!-- This is a bit unclear to me. It is like a prompt asking the user to select specific days, or is it more like an alarm mode where it will only activate on select days? -->
+<string name="select_weekdays">"إختار أيام "</string>
+<string name="export_to_csv">"تصدير البيانات"</string>
+<string name="done_label">"منجز"</string>
+<string name="clear_label">"نظف"</string>
+<string name="select_hours">"تحديد ساعات"</string>
+<string name="select_minutes">"تحديد دقائق "</string>
+
+<!-- Short description used on the Google Play store. There is an 80-character limit. -->
+<string name="store_short_description">"خلق عادات جيدة وتتبع تقدمك على مر الزمن"</string>
+<string name="store_description_1">"لب يساعدك على خلق والحفاظ على العادات الجيدة، مما يسمح لك لتحقيق أهدافكة. الرسوم البيانية والإحصاءات التفصيلية تبين لكم كيف تحسن عاداتك مع مرور الوقت. هو تماما خالية من الاعلانات ومفتوحة المصدر."</string>
+<string name="store_feature_interface">"&lt;b&gt;واجهة بسيطة، جميلة وحديثة &lt;/b&gt;
+لوب يحتوي على واجهة بسيطة وهي سهلة الاستخدام و تتابع نظام تصميم الماتريل دسيجن."</string>
+<string name="store_feature_score">"&lt;b&gt;نتيجة العادات&lt;/b&gt; 
+بالإضافة إلى عرض التقدم الحالي، لوب ديه خوارزمية متقدمة لحساب قوة عاداتك. كل التكرار يجعل هذه العادة أقوى، وفي كل يوم غاب يجعلها أضعف. مع ذلك غيب أيام قليلة بعد تقدم طويلة ، لن تدمر تماما تقدمك ."</string>
+<string name="store_feature_statistics">"&lt;b&gt;الرسوم البيانية والإحصاءات المفصلة&lt;/b&gt;
+نرى بوضوح كيف كنت قد تحسنت عاداتك بمرور الوقت مع الرسوم البيانية  الجميله ومفصلة. انتقل إلى الوراء لنرى التاريخ الكامل لعاداتك."</string>
+<string name="store_feature_schedules">"&lt;b&gt;جداول مرنة&lt;/b&gt;
+تؤيد كل من العادات اليومية والعادات مع جداول أكثر تعقيدا، مثل 3 مرات كل أسبوع، مرة واحدة كل أسبوعين، أو مرة كل يومين."</string>
+<string name="store_feature_reminders">"&lt;b&gt;تذكير&lt;/b&gt;
+إنشاء تذكير لكل فرد من عاداتك، في ساعة اختيار من اليوم. تحقق بسهولة، رفض أو غفوة عادتك مباشرة من الإخطار، دون الحاجة إلى فتح التطبيق."</string>
+<string name="store_feature_opensource">"&lt;b&gt;خالية تماما من الإعلانات و المصدر المفتوح&lt;/b&gt;
+لا توجد على الاطلاق الإعلانات والشعارات المزعجة أو أذونات إضافية في هذا التطبيق، و سوف يكون هناك أبدا."</string>
+<string name="store_feature_wear">"&lt;b&gt;الأمثل للساعات الذكية&lt;/b&gt;
+يمكن التحقق من رسائل التذكير، رفض أو غفوة عادتك مباشرة من ساعتك الاندرويد وير. "</string>
+<string name="about">"معلومات حول"</string>
+<string name="translators">"المترجمين"</string>
+<string name="developers">"المطورين"</string>
+
+<!-- %s will get replaced by the version number. For example, "Versão %d" will become "Versão 1.2.0". -->
+<string name="version_n">"الإصدار %s"</string>
+<string name="frequency">"تردد"</string>
+</resources>

app/src/main/res/values-de/strings.xml

@@ -0,0 +1,118 @@
+<?xml version="1.0" encoding="utf-8"?>
+<resources>
+<string name="app_name">"Loop Habit Tracker"</string>
+<string name="main_activity_title">"Gewohnheiten"</string>
+<string name="action_settings">"Einstellung"</string>
+<string name="edit">"Bearbeiten"</string>
+<string name="delete">"Löschen"</string>
+<string name="archive">"Archivieren"</string>
+<string name="unarchive">"Dearchivieren"</string>
+<string name="add_habit">"Gewohnheit hinzufügen"</string>
+<string name="color_picker_default_title">"Farbe ändern"</string>
+<string name="toast_habit_created">"Gewohnheit erstellt."</string>
+<string name="toast_habit_deleted">"Gewohnheiten gelöscht."</string>
+<string name="toast_habit_restored">"Gewohnheiten wiederhergestellt."</string>
+<string name="toast_nothing_to_undo">"Nichts zum rückgängig machen."</string>
+<string name="toast_nothing_to_redo">"Nichts zum wiederherstellen"</string>
+<string name="toast_habit_changed">"Gewohnheit geändert"</string>
+
+<!-- This appears when the user edits a habit, and then undoes the action. The habit is "changed back" to what is was before. Alternatively, "Habit restored". -->
+<string name="toast_habit_changed_back">"Gewohnheit zurückgeändert"</string>
+<string name="toast_habit_archived">"Gewohnheiten archiviert."</string>
+<string name="toast_habit_unarchived">"Gewohnheiten dearchiviert."</string>
+<string name="overview">"Übersicht"</string>
+<string name="habit_strength">"Stärke"</string>
+<string name="history">"Verlauf"</string>
+<string name="clear">"Löschen"</string>
+<string name="description_hint">"Frage (Hast du heute ...?)"</string>
+
+<!-- This and the next two terms form the sentence "Repeat 3 times in 7 days" that you see when you create a habit. Let me know if you have trouble adapting this into your language. -->
+<string name="repeat">"Wiederhole"</string>
+<string name="times_every">"mal in"</string>
+<string name="days">"Tagen"</string>
+<string name="reminder">"Erinnerung"</string>
+<string name="discard">"Verwerfen"</string>
+<string name="save">"Speichern"</string>
+<string name="streaks">"Serie"</string>
+<string name="no_habits_found">"Du hast keine aktiven Gewohnheiten"</string>
+<string name="long_press_to_toggle">"Berühre und halte um zu (de)markieren"</string>
+<string name="reminder_off">"Aus"</string>
+<string name="validation_name_should_not_be_blank">"Name darf nicht leer sein."</string>
+<string name="validation_number_should_be_positive">"Zahl muss positiv sein."</string>
+<string name="validation_at_most_one_rep_per_day">"Du musst wenigstens eine Wiederholung pro Tag haben"</string>
+<string name="create_habit">"Gewohnheit erstellen"</string>
+<string name="edit_habit">"Gewohnheit bearbeiten"</string>
+<string name="check">"prüfen
+"</string>
+<string name="snooze">"Später"</string>
+
+<!-- App introduction -->
+<string name="intro_title_1">"Willkommen"</string>
+<string name="intro_description_1">"Loop Habit Tracker hilft dir gute Gewohnheiten anzunehmen."</string>
+<string name="intro_title_2">"Erstelle einige neue Gewohnheiten"</string>
+<string name="intro_description_2">"Jeden tag nachdem du das habit absolviert hast, hake es ab."</string>
+<string name="intro_title_3">"Bleib dabei"</string>
+<string name="intro_description_3">"Habits die du über längere Zeit durchgehalten hast, bekommen einen ganzen Stern."</string>
+<string name="intro_title_4">"Verfolge deinen Fortschritt"</string>
+<string name="intro_description_4">"Detailierte Diagramme zeigen dir, wie sich deine Angewohnheiten entwickelt haben."</string>
+<string name="interval_15_minutes">"15 Minuten"</string>
+<string name="interval_30_minutes">"30 Minuten"</string>
+<string name="interval_1_hour">"1 Stunde"</string>
+<string name="interval_2_hour">"2 Stunden"</string>
+<string name="interval_4_hour">"4 Stunden"</string>
+<string name="interval_8_hour">"8 Stunden"</string>
+<string name="pref_toggle_title">"Wähle Wiederholungen durch kurzes Drücken"</string>
+<string name="pref_toggle_description">"Bequemer,  verursacht evtl. falsche Auswahl"</string>
+<string name="pref_snooze_interval_title">"Pausen-Interval bei Erinnerungen"</string>
+<string name="pref_rate_this_app">"Bewerte diese App bei Google Play"</string>
+<string name="pref_send_feedback">"Sende dem Entwickler Feedback"</string>
+<string name="pref_view_source_code">"Sehe den Quellcode auf GitHub"</string>
+<string name="pref_view_app_introduction">"Zeige Einleitung"</string>
+<string name="links">"Links"</string>
+<string name="behavior">"Verhalten"</string>
+<string name="name">"Name"</string>
+<string name="show_archived">"Zeige Archivierte"</string>
+<string name="settings">"Einstellungen"</string>
+<string name="snooze_interval">"Pausen-Interval"</string>
+<string name="hint_title">"Wusstest du?"</string>
+<string name="hint_drag">"Um Einträge umzusortieren, ziehe sie an die richtige Stelle."</string>
+<string name="hint_landscape">"Du kannst mehr Tage sehen, wenn du dein Phone quer hälst."</string>
+<string name="delete_habits">"Gewohnheit löschen"</string>
+<string name="delete_habits_message">"Dies habit wird permanent gelöscht. Dies kann nicht rückgängig gemacht werden."</string>
+<string name="weekends">"An Wochenenden"</string>
+<string name="any_weekday">"Wochentage
+"</string>
+<string name="any_day">"Jeden Tag"</string>
+<string name="select_weekdays">"Wähle die Tage"</string>
+<string name="export_to_csv">"Daten exportieren"</string>
+<string name="done_label">"Fertig
+"</string>
+<string name="clear_label">"Löschen"</string>
+<string name="select_hours">"Wähle Stunden"</string>
+<string name="select_minutes">"Wähle Minuten"</string>
+
+<!-- Short description used on the Google Play store. There is an 80-character limit. -->
+<string name="store_short_description">"Nimm gute Gewohnheiten an und verfolge deinen Fortschritt (ohne Werbung)"</string>
+<string name="store_description_1">"Loop hilft dir gute Gewohnheiten anzunehmen und deine langfristigen Ziele zu erreichen. Detailierte Statistiken zeigen dir, wie du dich entwickelt hast. Es ist ohne Werbung und Open Source."</string>
+<string name="store_feature_interface">"&lt;b&gt;Einfache, schöne und moderne Oberfläche&lt;/b&gt;
+Loop hat eine minimale Oberfläche und ist deshalb einfach zu benutzen. Es folgt den Material Design Richtlinien."</string>
+<string name="store_feature_score">"&lt;b&gt;Habit Punkte&lt;/b&gt;
+Um dir deine kleinen Schwächen zu zeigen, hat Loop einen Algorithmus, um deine Angewohnheiten zu erkennen. Jede Wiederholung verstärkt diese und jedes Aussetzen schwächt sie. Aber ein paar Verfehlungen nach langem Durchhalten machen natürlich nicht gleich alles zu nichte."</string>
+<string name="store_feature_statistics">"&lt;b&gt;Statistiken&lt;/b&gt;
+Schau dir an, wie sich deine Angewohnheiten im Laufe der Zeit gemacht haben. Schau auf die schönen Diagramme und gehe zurück im gesamten Verlauf."</string>
+<string name="store_feature_schedules">"&lt;b&gt;Flexible Zeiten&lt;/b&gt;
+Unterstützt sowohl tägliche Vorgaben, als auch komplexere Pläne, wie etwa 3 mal pro Woche; ein mal in jeder anderen Woche; oder jeden anderen Tag."</string>
+<string name="store_feature_reminders">"&lt;b&gt;Erinnerungen&lt;/b&gt;
+Erstelle individuelle Erinnerungen und wann diese dich benachrichtigen sollen. Kontrolliere deine Vorhaben ganz einfach und lehne sie bei Bedarf direkt ab, ohne die App zu öffnen."</string>
+<string name="store_feature_opensource">"&lt;b&gt;Komplett werbefrei und Open Source&lt;/b&gt;
+Es gibt absolut keine Werbung, nervende Einblendungen oder merkwürdige Berechtigungen in dieser App und das wird auch so bleiben. Der komplette Quellcode steht unter der GPLv3."</string>
+<string name="store_feature_wear">"&lt;b&gt;Optimiert für Smartwatches&lt;/b&gt;
+Erinnerungen können direkt von deiner Android Wear Watch kontrolliert, pausiert oder verschoben werden."</string>
+<string name="about">"Über"</string>
+<string name="translators">"Übersetzer"</string>
+<string name="developers">"Entwickler"</string>
+
+<!-- %s will get replaced by the version number. For example, "Versão %d" will become "Versão 1.2.0". -->
+<string name="version_n">"Version %s"</string>
+<string name="frequency">"Frequenz"</string>
+</resources>