Refactor reminder scheduling, add tests

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

@@ -24,12 +24,15 @@ import android.content.*;
 import android.os.*;
 import android.support.annotation.*;
 import android.support.test.*;
+import android.support.test.runner.*;
+import android.test.suitebuilder.annotation.*;
 
 import org.isoron.uhabits.commands.*;
 import org.isoron.uhabits.models.*;
 import org.isoron.uhabits.tasks.*;
 import org.isoron.uhabits.utils.*;
 import org.junit.*;
+import org.junit.runner.*;
 
 import java.util.*;
 import java.util.concurrent.*;
@@ -40,6 +43,8 @@ import static junit.framework.Assert.*;
 import static org.hamcrest.MatcherAssert.*;
 import static org.hamcrest.Matchers.*;
 
+@RunWith(AndroidJUnit4.class)
+@MediumTest
 public class BaseAndroidTest
 {
     // 8:00am, January 25th, 2015 (UTC)
@@ -60,6 +65,9 @@ public class BaseAndroidTest
     @Inject
     protected CommandRunner commandRunner;
 
+    @Inject
+    protected HabitLogger logger;
+
     protected AndroidTestComponent androidTestComponent;
 
     protected HabitFixtures fixtures;

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

@@ -0,0 +1,66 @@
+/*
+ * 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.os.*;
+import android.support.test.runner.*;
+import android.test.suitebuilder.annotation.*;
+
+import org.isoron.uhabits.models.*;
+import org.isoron.uhabits.ui.*;
+import org.junit.*;
+import org.junit.runner.*;
+
+import java.io.*;
+
+import static org.hamcrest.MatcherAssert.*;
+import static org.hamcrest.Matchers.*;
+
+@RunWith(AndroidJUnit4.class)
+@MediumTest
+public class HabitLoggerTest extends BaseAndroidTest
+{
+    @Test
+    public void testLogReminderScheduled() throws IOException
+    {
+        if (!isLogcatAvailable()) return;
+
+        long time = 1422277200000L; // 13:00 jan 26, 2015 (UTC)
+        Habit habit = fixtures.createEmptyHabit();
+        habit.setName("Write journal");
+
+        logger.logReminderScheduled(habit, time);
+
+        String expectedMsg = "Setting alarm (2015-01-26 130000): Wri\n";
+        assertLogcatContains(expectedMsg);
+    }
+
+    protected void assertLogcatContains(String expectedMsg) throws IOException
+    {
+        BaseSystem system = new BaseSystem(targetContext);
+        String logcat = system.getLogcat();
+        assertThat(logcat, containsString(expectedMsg));
+    }
+
+    protected boolean isLogcatAvailable()
+    {
+        return Build.VERSION.SDK_INT >= Build.VERSION_CODES.JELLY_BEAN;
+    }
+}

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

@@ -33,7 +33,7 @@ import static org.hamcrest.MatcherAssert.*;
 import static org.hamcrest.Matchers.*;
 
 @RunWith(AndroidJUnit4.class)
-@SmallTest
+@MediumTest
 public class HabitsApplicationTest extends BaseAndroidTest
 {
     @Test

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

@@ -19,7 +19,10 @@
 
 package org.isoron.uhabits;
 
+import android.content.*;
+
 import org.isoron.uhabits.commands.*;
+import org.isoron.uhabits.intents.*;
 import org.isoron.uhabits.models.*;
 import org.isoron.uhabits.models.sqlite.*;
 import org.isoron.uhabits.utils.*;
@@ -70,4 +73,21 @@ public class AndroidModule
     {
         return new WidgetPreferences();
     }
+
+    @Provides
+    @Singleton
+    ReminderScheduler provideReminderScheduler()
+    {
+        Context context = HabitsApplication.getContext();
+        IntentScheduler intentScheduler = new IntentScheduler(context);
+        IntentFactory intentFactory = new IntentFactory(context);
+        return new ReminderScheduler(intentFactory, intentScheduler);
+    }
+
+    @Provides
+    @Singleton
+    HabitLogger provideLogger()
+    {
+        return new HabitLogger();
+    }
 }

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

@@ -32,6 +32,7 @@ import org.isoron.uhabits.ui.habits.list.model.*;
 import org.isoron.uhabits.ui.habits.list.views.*;
 import org.isoron.uhabits.ui.habits.show.*;
 import org.isoron.uhabits.ui.widgets.*;
+import org.isoron.uhabits.utils.*;
 import org.isoron.uhabits.widgets.*;
 
 /**
@@ -106,4 +107,6 @@ public interface BaseComponent
     void inject(ReceiverActions receiverActions);
 
     void inject(ReminderReceiver reminderReceiver);
+
+    void inject(ReminderScheduler reminderScheduler);
 }

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

@@ -0,0 +1,45 @@
+/*
+ * 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.annotation.*;
+import android.util.*;
+
+import org.isoron.uhabits.models.*;
+import org.isoron.uhabits.utils.*;
+
+import java.text.*;
+import java.util.*;
+
+public class HabitLogger
+{
+    public void logReminderScheduled(@NonNull Habit habit,
+                                     @NonNull Long reminderTime)
+    {
+        int min = Math.min(3, habit.getName().length());
+        String name = habit.getName().substring(0, min);
+
+        DateFormat df = DateUtils.getBackupDateFormat();
+        String time = df.format(new Date(reminderTime));
+
+        Log.i("ReminderHelper",
+                String.format("Setting alarm (%s): %s", time, name));
+    }
+}

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

@@ -51,7 +51,7 @@ public class HabitsApplication extends Application
     @Nullable
     private static Context context;
 
-    private static WidgetUpdater widgetManager;
+    private static WidgetUpdater widgetUpdater;
 
     public static BaseComponent getComponent()
     {
@@ -63,9 +63,10 @@ public class HabitsApplication extends Application
         HabitsApplication.component = component;
     }
 
-    @Nullable
+    @NonNull
     public static Context getContext()
     {
+        if (context == null) throw new RuntimeException("context is null");
         return context;
     }
 
@@ -76,21 +77,23 @@ public class HabitsApplication extends Application
     }
 
     @NonNull
-    public static WidgetUpdater getWidgetManager()
+    public static WidgetUpdater getWidgetUpdater()
     {
-        if (widgetManager == null)
+        if (widgetUpdater == null) throw new RuntimeException(
-            throw new RuntimeException("widgetManager is null");
+                "widgetUpdater is null");
 
-        return widgetManager;
+        return widgetUpdater;
     }
 
     public static boolean isTestMode()
     {
         try
         {
-            if (context != null) context
+            if (context != null)
-                .getClassLoader()
+            {
-                .loadClass("org.isoron.uhabits.BaseAndroidTest");
+                String testClass = "org.isoron.uhabits.BaseAndroidTest";
+                context.getClassLoader().loadClass(testClass);
+            }
             return true;
         }
         catch (final Exception e)
@@ -114,8 +117,8 @@ public class HabitsApplication extends Application
             if (db.exists()) db.delete();
         }
 
-        widgetManager = new WidgetUpdater(this);
+        widgetUpdater = new WidgetUpdater(this);
-        widgetManager.startListening();
+        widgetUpdater.startListening();
 
         DatabaseUtils.initializeActiveAndroid();
     }
@@ -125,7 +128,7 @@ public class HabitsApplication extends Application
     {
         HabitsApplication.context = null;
         ActiveAndroid.dispose();
-        widgetManager.stopListening();
+        widgetUpdater.stopListening();
         super.onTerminate();
     }
 }

app/src/main/java/org/isoron/uhabits/intents/IntentFactory.java

@@ -17,7 +17,7 @@
  * with this program. If not, see <http://www.gnu.org/licenses/>.
  */
 
-package org.isoron.uhabits.receivers;
+package org.isoron.uhabits.intents;
 
 import android.app.*;
 import android.content.*;
@@ -25,21 +25,23 @@ import android.net.*;
 import android.support.annotation.*;
 
 import org.isoron.uhabits.models.*;
+import org.isoron.uhabits.receivers.*;
 import org.isoron.uhabits.ui.habits.show.*;
 
-public class PendingIntentFactory
+import static android.app.PendingIntent.*;
-{
-    public static final String BASE_URL = "content://org.isoron.uhabits/habit/";
 
+public class IntentFactory
+{
     @NonNull
     private final Context context;
 
-    public PendingIntentFactory(Context context)
+    public IntentFactory(@NonNull Context context)
     {
         this.context = context;
     }
 
-    public PendingIntent buildAddCheckmark(Habit habit, Long timestamp)
+    public PendingIntent buildAddCheckmark(@NonNull Habit habit,
+                                           @Nullable Long timestamp)
     {
         Uri data = habit.getUri();
         Intent checkIntent = new Intent(context, WidgetReceiver.class);
@@ -47,7 +49,7 @@ public class PendingIntentFactory
         checkIntent.setAction(WidgetReceiver.ACTION_ADD_REPETITION);
         if (timestamp != null) checkIntent.putExtra("timestamp", timestamp);
         return PendingIntent.getBroadcast(context, 1, checkIntent,
-            PendingIntent.FLAG_UPDATE_CURRENT);
+                FLAG_UPDATE_CURRENT);
     }
 
     public PendingIntent buildDismissNotification()
@@ -55,20 +57,37 @@ public class PendingIntentFactory
         Intent deleteIntent = new Intent(context, ReminderReceiver.class);
         deleteIntent.setAction(WidgetReceiver.ACTION_DISMISS_REMINDER);
         return PendingIntent.getBroadcast(context, 0, deleteIntent,
-            PendingIntent.FLAG_UPDATE_CURRENT);
+                FLAG_UPDATE_CURRENT);
     }
 
-    public PendingIntent buildSnoozeNotification(Habit habit)
+    public PendingIntent buildShowReminder(@NonNull Habit habit,
+                                           @Nullable Long reminderTime,
+                                           long timestamp)
+    {
+        Uri uri = habit.getUri();
+
+        Intent intent = new Intent(context, ReminderReceiver.class);
+        intent.setAction(ReminderReceiver.ACTION_SHOW_REMINDER);
+        intent.setData(uri);
+        intent.putExtra("timestamp", timestamp);
+        intent.putExtra("reminderTime", reminderTime);
+        int reqCode = ((int) (habit.getId() % Integer.MAX_VALUE)) + 1;
+        return PendingIntent.getBroadcast(context, reqCode, intent,
+                FLAG_UPDATE_CURRENT);
+    }
+
+    public PendingIntent buildSnoozeNotification(@NonNull Habit habit)
     {
         Uri data = habit.getUri();
         Intent snoozeIntent = new Intent(context, ReminderReceiver.class);
         snoozeIntent.setData(data);
         snoozeIntent.setAction(ReminderReceiver.ACTION_SNOOZE_REMINDER);
         return PendingIntent.getBroadcast(context, 0, snoozeIntent,
-            PendingIntent.FLAG_UPDATE_CURRENT);
+                FLAG_UPDATE_CURRENT);
     }
 
-    public PendingIntent buildToggleCheckmark(Habit habit, Long timestamp)
+    public PendingIntent buildToggleCheckmark(@NonNull Habit habit,
+                                              @Nullable Long timestamp)
     {
         Uri data = habit.getUri();
         Intent checkIntent = new Intent(context, WidgetReceiver.class);
@@ -76,16 +95,18 @@ public class PendingIntentFactory
         checkIntent.setAction(WidgetReceiver.ACTION_TOGGLE_REPETITION);
         if (timestamp != null) checkIntent.putExtra("timestamp", timestamp);
         return PendingIntent.getBroadcast(context, 2, checkIntent,
-            PendingIntent.FLAG_UPDATE_CURRENT);
+                FLAG_UPDATE_CURRENT);
     }
 
     public PendingIntent buildViewHabit(Habit habit)
     {
+        Uri uri = habit.getUri();
+
         Intent intent = new Intent(context, ShowHabitActivity.class);
-        intent.setData(Uri.parse(BASE_URL + habit.getId()));
+        intent.setData(uri);
         return android.support.v4.app.TaskStackBuilder
-            .create(context.getApplicationContext())
+                .create(context)
                 .addNextIntentWithParentStack(intent)
-            .getPendingIntent(0, PendingIntent.FLAG_UPDATE_CURRENT);
+                .getPendingIntent(0, FLAG_UPDATE_CURRENT);
     }
 }

app/src/main/java/org/isoron/uhabits/intents/IntentParser.java

@@ -17,7 +17,7 @@
  * with this program. If not, see <http://www.gnu.org/licenses/>.
  */
 
-package org.isoron.uhabits.receivers;
+package org.isoron.uhabits.intents;
 
 import android.content.*;
 import android.net.*;
@@ -70,7 +70,7 @@ public class IntentParser
         return timestamp;
     }
 
-    class CheckmarkIntentData
+    public class CheckmarkIntentData
     {
         public Habit habit;
 

app/src/main/java/org/isoron/uhabits/intents/IntentScheduler.java

@@ -0,0 +1,55 @@
+/*
+ * 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.intents;
+
+import android.app.*;
+import android.content.*;
+import android.os.*;
+import android.support.annotation.*;
+
+import static android.app.AlarmManager.*;
+import static android.content.Context.*;
+
+public class IntentScheduler
+{
+    private final AlarmManager manager;
+
+    public IntentScheduler(@NonNull Context context)
+    {
+        manager = (AlarmManager) context.getSystemService(ALARM_SERVICE);
+    }
+
+    public void schedule(@NonNull Long timestamp, PendingIntent intent)
+    {
+        if (Build.VERSION.SDK_INT >= 23)
+        {
+            manager.setExactAndAllowWhileIdle(RTC_WAKEUP, timestamp, intent);
+            return;
+        }
+
+        if (Build.VERSION.SDK_INT >= 19)
+        {
+            manager.setExact(RTC_WAKEUP, timestamp, intent);
+            return;
+        }
+
+        manager.set(RTC_WAKEUP, timestamp, intent);
+    }
+}

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

@@ -115,8 +115,7 @@ public class Habit
     }
 
     /**
-     * Clears the reminder for a habit. This sets all the related fields to
+     * Clears the reminder for a habit.
-     * null.
      */
     public void clearReminder()
     {

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

@@ -38,8 +38,8 @@ public final class Reminder
      * Returns the days of the week the reminder should be shown.
      * <p>
      * This field can be converted to a list of booleans using the method
-     * DateHelper.unpackWeekdayList and converted back to an integer by using
+     * DateUtils.unpackWeekdayList and converted back to an integer by using the
-     * the method DateHelper.packWeekdayList.
+     * method DateUtils.packWeekdayList.
      */
     public int getDays()
     {

app/src/main/java/org/isoron/uhabits/receivers/ReminderReceiver.java

@@ -29,6 +29,7 @@ import android.support.v4.app.*;
 import android.util.*;
 
 import org.isoron.uhabits.*;
+import org.isoron.uhabits.intents.*;
 import org.isoron.uhabits.models.*;
 import org.isoron.uhabits.tasks.*;
 import org.isoron.uhabits.utils.*;
@@ -58,6 +59,9 @@ public class ReminderReceiver extends BroadcastReceiver
     @Inject
     HabitList habits;
 
+    @Inject
+    ReminderScheduler reminderScheduler;
+
     public ReminderReceiver()
     {
         super();
@@ -86,7 +90,7 @@ public class ReminderReceiver extends BroadcastReceiver
                     break;
 
                 case Intent.ACTION_BOOT_COMPLETED:
-                    onActionBootCompleted(context);
+                    onActionBootCompleted();
                     break;
             }
         }
@@ -96,25 +100,25 @@ public class ReminderReceiver extends BroadcastReceiver
         }
     }
 
-    protected void onActionBootCompleted(Context context)
+    protected void onActionBootCompleted()
     {
-        ReminderUtils.createReminderAlarms(context, habits);
+        reminderScheduler.schedule(habits);
     }
 
     protected void onActionShowReminder(Context context, Intent intent)
     {
         createNotification(context, intent);
-        createReminderAlarmsDelayed(context);
+        createReminderAlarmsDelayed();
     }
 
     private void createNotification(final Context context, final Intent intent)
     {
         final Uri data = intent.getData();
         final Habit habit = habits.getById(ContentUris.parseId(data));
-        final Long timestamp =
+        final Long timestamp = intent.getLongExtra("timestamp",
-            intent.getLongExtra("timestamp", DateUtils.getStartOfToday());
+                DateUtils.getStartOfToday());
-        final Long reminderTime =
+        final Long reminderTime = intent.getLongExtra("reminderTime",
-            intent.getLongExtra("reminderTime", DateUtils.getStartOfToday());
+                DateUtils.getStartOfToday());
 
         if (habit == null) return;
 
@@ -137,12 +141,11 @@ public class ReminderReceiver extends BroadcastReceiver
 
                 Intent contentIntent = new Intent(context, MainActivity.class);
                 contentIntent.setData(data);
-                PendingIntent contentPendingIntent =
+                PendingIntent contentPendingIntent = PendingIntent.getActivity(
-                    PendingIntent.getActivity(context, 0, contentIntent,
+                        context, 0, contentIntent,
                         PendingIntent.FLAG_CANCEL_CURRENT);
 
-                PendingIntentFactory intentFactory =
+                IntentFactory intentFactory = new IntentFactory(context);
-                    new PendingIntentFactory(context);
 
                 PendingIntent dismissPendingIntent;
                 dismissPendingIntent = intentFactory.buildDismissNotification();
@@ -151,15 +154,16 @@ public class ReminderReceiver extends BroadcastReceiver
                 PendingIntent snoozeIntentPending =
                         intentFactory.buildSnoozeNotification(habit);
 
-                Uri ringtoneUri = ReminderUtils.getRingtoneUri(context);
+                Uri ringtoneUri = RingtoneUtils.getRingtoneUri(context);
 
                 NotificationCompat.WearableExtender wearableExtender =
                         new NotificationCompat.WearableExtender().setBackground(
-                        BitmapFactory.decodeResource(context.getResources(),
+                                BitmapFactory.decodeResource(
+                                        context.getResources(),
                                         R.drawable.stripe));
 
-                Notification notification =
+                Notification notification = new NotificationCompat.Builder(
-                    new NotificationCompat.Builder(context)
+                        context)
                         .setSmallIcon(R.drawable.ic_notification)
                         .setContentTitle(habit.getName())
                         .setContentText(habit.getDescription())
@@ -191,10 +195,11 @@ public class ReminderReceiver extends BroadcastReceiver
         }.execute();
     }
 
-    private void createReminderAlarmsDelayed(final Context context)
+    private void createReminderAlarmsDelayed()
     {
-        new Handler().postDelayed(
+        new Handler().postDelayed(() -> {
-            () -> ReminderUtils.createReminderAlarms(context, habits), 5000);
+            reminderScheduler.schedule(habits);
+        }, 5000);
     }
 
     private void dismissNotification(Context context, Long habitId)
@@ -210,15 +215,20 @@ public class ReminderReceiver extends BroadcastReceiver
     private void onActionSnoozeReminder(Context context, Intent intent)
     {
         Uri data = intent.getData();
-        SharedPreferences prefs =
+        SharedPreferences prefs = PreferenceManager.getDefaultSharedPreferences(
-            PreferenceManager.getDefaultSharedPreferences(context);
+                context);
-        long delayMinutes =
+        long delayMinutes = Long.parseLong(
-            Long.parseLong(prefs.getString("pref_snooze_interval", "15"));
+                prefs.getString("pref_snooze_interval", "15"));
 
         long habitId = ContentUris.parseId(data);
         Habit habit = habits.getById(habitId);
-        if (habit != null) ReminderUtils.createReminderAlarm(context, habit,
+
-            new Date().getTime() + delayMinutes * 60 * 1000);
+        if (habit != null)
+        {
+            long reminderTime = new Date().getTime() + delayMinutes * 60 * 1000;
+            reminderScheduler.schedule(habit, reminderTime);
+        }
+
         dismissNotification(context, habitId);
     }
 
@@ -227,11 +237,11 @@ public class ReminderReceiver extends BroadcastReceiver
         if (!habit.hasReminder()) return false;
         Reminder reminder = habit.getReminder();
 
-        Long timestamp =
+        Long timestamp = intent.getLongExtra("timestamp",
-            intent.getLongExtra("timestamp", DateUtils.getStartOfToday());
+                DateUtils.getStartOfToday());
 
-        boolean reminderDays[] =
+        boolean reminderDays[] = DateUtils.unpackWeekdayList(
-            DateUtils.unpackWeekdayList(reminder.getDays());
+                reminder.getDays());
         int weekday = DateUtils.getWeekday(timestamp);
 
         return reminderDays[weekday];

app/src/main/java/org/isoron/uhabits/receivers/WidgetReceiver.java

@@ -24,6 +24,7 @@ import android.support.annotation.*;
 import android.util.*;
 
 import org.isoron.uhabits.*;
+import org.isoron.uhabits.intents.*;
 import org.isoron.uhabits.models.*;
 
 import javax.inject.*;

app/src/main/java/org/isoron/uhabits/ui/BaseSystem.java

@@ -50,6 +50,9 @@ public class BaseSystem
     @Inject
     HabitList habitList;
 
+    @Inject
+    ReminderScheduler reminderScheduler;
+
     public BaseSystem(Context context)
     {
         this.context = context;
@@ -69,16 +72,16 @@ public class BaseSystem
     @NonNull
     public File dumpBugReportToFile() throws IOException
     {
-        String date =
+        String date = DateUtils.getBackupDateFormat().format(
-            DateUtils.getBackupDateFormat().format(DateUtils.getLocalTime());
+                DateUtils.getLocalTime());
 
         if (context == null) throw new RuntimeException(
                 "application context should not be null");
         File dir = FileUtils.getFilesDir("Logs");
         if (dir == null) throw new IOException("log dir should not be null");
 
-        File logFile =
+        File logFile = new File(
-            new File(String.format("%s/Log %s.txt", dir.getPath(), date));
+                String.format("%s/Log %s.txt", dir.getPath(), date));
         FileWriter output = new FileWriter(logFile);
         output.write(getBugReport());
         output.close();
@@ -102,54 +105,12 @@ public class BaseSystem
         return deviceInfo + "\n" + logcat;
     }
 
-    /**
-     * Recreates all application reminders.
-     */
-    public void scheduleReminders()
-    {
-        new BaseTask()
-        {
-
-            @Override
-            protected void doInBackground()
-            {
-                ReminderUtils.createReminderAlarms(context, habitList);
-            }
-        }.execute();
-    }
-
-    private String getDeviceInfo()
-    {
-        if (context == null) return "null context\n";
-
-        WindowManager wm =
-            (WindowManager) context.getSystemService(Context.WINDOW_SERVICE);
-
-        return
-            String.format("App Version Name: %s\n", BuildConfig.VERSION_NAME) +
-            String.format("App Version Code: %s\n", BuildConfig.VERSION_CODE) +
-            String.format("OS Version: %s (%s)\n",
-                 System.getProperty("os.version"), Build.VERSION.INCREMENTAL) +
-            String.format("OS API Level: %s\n", Build.VERSION.SDK) +
-            String.format("Device: %s\n", Build.DEVICE) +
-            String.format("Model (Product): %s (%s)\n", Build.MODEL,
-                Build.PRODUCT) +
-            String.format("Manufacturer: %s\n", Build.MANUFACTURER) +
-            String.format("Other tags: %s\n", Build.TAGS) +
-            String.format("Screen Width: %s\n",
-                wm.getDefaultDisplay().getWidth()) +
-            String.format("Screen Height: %s\n",
-                wm.getDefaultDisplay().getHeight()) +
-            String.format("External storage state: %s\n\n",
-                Environment.getExternalStorageState());
-    }
-
     public String getLogcat() throws IOException
     {
         int maxLineCount = 250;
         StringBuilder builder = new StringBuilder();
 
-        String[] command = new String[]{"logcat", "-d"};
+        String[] command = new String[]{ "logcat", "-d" };
         Process process = Runtime.getRuntime().exec(command);
 
         InputStreamReader in = new InputStreamReader(process.getInputStream());
@@ -172,4 +133,40 @@ public class BaseSystem
 
         return builder.toString();
     }
+
+    /**
+     * Recreates all application reminders.
+     */
+    public void scheduleReminders()
+    {
+        new SimpleTask(() -> reminderScheduler.schedule(habitList)).execute();
+    }
+
+    private String getDeviceInfo()
+    {
+        if (context == null) return "null context\n";
+
+        WindowManager wm = (WindowManager) context.getSystemService(
+                Context.WINDOW_SERVICE);
+
+        return String.format("App Version Name: %s\n",
+                BuildConfig.VERSION_NAME) +
+               String.format("App Version Code: %s\n",
+                       BuildConfig.VERSION_CODE) +
+               String.format("OS Version: %s (%s)\n",
+                       System.getProperty("os.version"),
+                       Build.VERSION.INCREMENTAL) +
+               String.format("OS API Level: %s\n", Build.VERSION.SDK) +
+               String.format("Device: %s\n", Build.DEVICE) +
+               String.format("Model (Product): %s (%s)\n", Build.MODEL,
+                       Build.PRODUCT) +
+               String.format("Manufacturer: %s\n", Build.MANUFACTURER) +
+               String.format("Other tags: %s\n", Build.TAGS) +
+               String.format("Screen Width: %s\n",
+                       wm.getDefaultDisplay().getWidth()) +
+               String.format("Screen Height: %s\n",
+                       wm.getDefaultDisplay().getHeight()) +
+               String.format("External storage state: %s\n\n",
+                       Environment.getExternalStorageState());
+    }
 }

app/src/main/java/org/isoron/uhabits/ui/habits/list/ListHabitsController.java

@@ -176,7 +176,7 @@ public class ListHabitsController
 
         new Handler().postDelayed(() -> {
             system.scheduleReminders();
-            HabitsApplication.getWidgetManager().updateWidgets();
+            HabitsApplication.getWidgetUpdater().updateWidgets();
         }, 1000);
     }
 

app/src/main/java/org/isoron/uhabits/ui/habits/show/views/ScoreCard.java

@@ -79,7 +79,7 @@ public class ScoreCard extends HabitCard
     public void onItemSelected(int position)
     {
         setBucketSizeFromPosition(position);
-        HabitsApplication.getWidgetManager().updateWidgets();
+        HabitsApplication.getWidgetUpdater().updateWidgets();
         refreshData();
     }
 

app/src/main/java/org/isoron/uhabits/ui/settings/SettingsFragment.java

@@ -19,38 +19,46 @@
 
 package org.isoron.uhabits.ui.settings;
 
-import android.app.backup.BackupManager;
+import android.app.backup.*;
-import android.content.Intent;
+import android.content.*;
-import android.content.SharedPreferences;
+import android.os.*;
-import android.os.Bundle;
+import android.support.v7.preference.*;
-import android.support.v7.preference.Preference;
-import android.support.v7.preference.PreferenceCategory;
-import android.support.v7.preference.PreferenceFragmentCompat;
 
-import org.isoron.uhabits.HabitsApplication;
 import org.isoron.uhabits.R;
-import org.isoron.uhabits.utils.InterfaceUtils;
+import org.isoron.uhabits.utils.*;
-import org.isoron.uhabits.utils.ReminderUtils;
+
+import static org.isoron.uhabits.HabitsApplication.*;
 
 public class SettingsFragment extends PreferenceFragmentCompat
     implements SharedPreferences.OnSharedPreferenceChangeListener
 {
     private static int RINGTONE_REQUEST_CODE = 1;
 
+    private SharedPreferences prefs;
+
+    @Override
+    public void onActivityResult(int requestCode, int resultCode, Intent data)
+    {
+        if (requestCode == RINGTONE_REQUEST_CODE)
+        {
+            RingtoneUtils.parseRingtoneData(getContext(), data);
+            updateRingtoneDescription();
+            return;
+        }
+
+        super.onActivityResult(requestCode, resultCode, data);
+    }
+
     @Override
     public void onCreate(Bundle savedInstanceState)
     {
         super.onCreate(savedInstanceState);
         addPreferencesFromResource(R.xml.preferences);
 
-        setResultOnPreferenceClick("importData",
+        setResultOnPreferenceClick("importData", RESULT_IMPORT_DATA);
-            HabitsApplication.RESULT_IMPORT_DATA);
+        setResultOnPreferenceClick("exportCSV", RESULT_EXPORT_CSV);
-        setResultOnPreferenceClick("exportCSV",
+        setResultOnPreferenceClick("exportDB", RESULT_EXPORT_DB);
-            HabitsApplication.RESULT_EXPORT_CSV);
+        setResultOnPreferenceClick("bugReport", RESULT_BUG_REPORT);
-        setResultOnPreferenceClick("exportDB",
-            HabitsApplication.RESULT_EXPORT_DB);
-        setResultOnPreferenceClick("bugReport",
-            HabitsApplication.RESULT_BUG_REPORT);
 
         updateRingtoneDescription();
 
@@ -61,7 +69,45 @@ public class SettingsFragment extends PreferenceFragmentCompat
     @Override
     public void onCreatePreferences(Bundle bundle, String s)
     {
+        // NOP
+    }
 
+    @Override
+    public void onPause()
+    {
+        prefs.unregisterOnSharedPreferenceChangeListener(this);
+        super.onPause();
+    }
+
+    @Override
+    public boolean onPreferenceTreeClick(Preference preference)
+    {
+        String key = preference.getKey();
+        if (key == null) return false;
+
+        if (key.equals("reminderSound"))
+        {
+            RingtoneUtils.startRingtonePickerActivity(this,
+                RINGTONE_REQUEST_CODE);
+            return true;
+        }
+
+        return super.onPreferenceTreeClick(preference);
+    }
+
+    @Override
+    public void onResume()
+    {
+        super.onResume();
+        prefs = getPreferenceManager().getSharedPreferences();
+        prefs.registerOnSharedPreferenceChangeListener(this);
+    }
+
+    @Override
+    public void onSharedPreferenceChanged(SharedPreferences sharedPreferences,
+                                          String key)
+    {
+        BackupManager.dataChanged("org.isoron.uhabits");
     }
 
     private void removePreference(String preferenceKey, String categoryKey)
@@ -82,61 +128,10 @@ public class SettingsFragment extends PreferenceFragmentCompat
         });
     }
 
-    @Override
-    public void onResume()
-    {
-        super.onResume();
-        getPreferenceManager().getSharedPreferences().
-            registerOnSharedPreferenceChangeListener(this);
-    }
-
-    @Override
-    public void onPause()
-    {
-        getPreferenceManager().getSharedPreferences().
-            unregisterOnSharedPreferenceChangeListener(this);
-        super.onPause();
-    }
-
-    @Override
-    public void onSharedPreferenceChanged(SharedPreferences sharedPreferences,
-                                          String key)
-    {
-        BackupManager.dataChanged("org.isoron.uhabits");
-    }
-
-    @Override
-    public boolean onPreferenceTreeClick(Preference preference)
-    {
-        if (preference.getKey() == null) return false;
-
-        if (preference.getKey().equals("reminderSound"))
-        {
-            ReminderUtils.startRingtonePickerActivity(this,
-                RINGTONE_REQUEST_CODE);
-            return true;
-        }
-
-        return super.onPreferenceTreeClick(preference);
-    }
-
-    @Override
-    public void onActivityResult(int requestCode, int resultCode, Intent data)
-    {
-        if (requestCode == RINGTONE_REQUEST_CODE)
-        {
-            ReminderUtils.parseRingtoneData(getContext(), data);
-            updateRingtoneDescription();
-            return;
-        }
-
-        super.onActivityResult(requestCode, resultCode, data);
-    }
-
     private void updateRingtoneDescription()
     {
-        String ringtoneName = ReminderUtils.getRingtoneName(getContext());
+        String ringtoneName = RingtoneUtils.getRingtoneName(getContext());
-        if(ringtoneName == null) return;
+        if (ringtoneName == null) return;
         Preference ringtonePreference = findPreference("reminderSound");
         ringtonePreference.setSummary(ringtoneName);
     }

app/src/main/java/org/isoron/uhabits/ui/widgets/CheckmarkWidget.java

@@ -24,8 +24,8 @@ import android.content.*;
 import android.support.annotation.*;
 import android.view.*;
 
+import org.isoron.uhabits.intents.*;
 import org.isoron.uhabits.models.*;
-import org.isoron.uhabits.receivers.*;
 import org.isoron.uhabits.ui.widgets.views.*;
 import org.isoron.uhabits.utils.*;
 
@@ -45,7 +45,7 @@ public class CheckmarkWidget extends BaseWidget
     @Override
     public PendingIntent getOnClickPendingIntent(Context context)
     {
-        PendingIntentFactory factory = new PendingIntentFactory(context);
+        IntentFactory factory = new IntentFactory(context);
         return factory.buildToggleCheckmark(habit, null);
     }
 

app/src/main/java/org/isoron/uhabits/ui/widgets/FrequencyWidget.java

@@ -24,8 +24,8 @@ import android.content.*;
 import android.support.annotation.*;
 import android.view.*;
 
+import org.isoron.uhabits.intents.*;
 import org.isoron.uhabits.models.*;
-import org.isoron.uhabits.receivers.*;
 import org.isoron.uhabits.ui.common.views.*;
 import org.isoron.uhabits.ui.widgets.views.*;
 import org.isoron.uhabits.utils.*;
@@ -46,7 +46,7 @@ public class FrequencyWidget extends BaseWidget
     @Override
     public PendingIntent getOnClickPendingIntent(Context context)
     {
-        PendingIntentFactory factory = new PendingIntentFactory(context);
+        IntentFactory factory = new IntentFactory(context);
         return factory.buildViewHabit(habit);
     }
 

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

@@ -56,7 +56,7 @@ public class HabitPickerDialog extends Activity
     {
         Long habitId = habitIds.get(position);
         preferences.addWidget(widgetId, habitId);
-        HabitsApplication.getWidgetManager().updateWidgets();
+        HabitsApplication.getWidgetUpdater().updateWidgets();
 
         Intent resultValue = new Intent();
         resultValue.putExtra(EXTRA_APPWIDGET_ID, widgetId);

app/src/main/java/org/isoron/uhabits/ui/widgets/HistoryWidget.java

@@ -24,8 +24,8 @@ import android.content.*;
 import android.support.annotation.*;
 import android.view.*;
 
+import org.isoron.uhabits.intents.*;
 import org.isoron.uhabits.models.*;
-import org.isoron.uhabits.receivers.*;
 import org.isoron.uhabits.ui.common.views.*;
 import org.isoron.uhabits.ui.widgets.views.*;
 import org.isoron.uhabits.utils.*;
@@ -44,7 +44,7 @@ public class HistoryWidget extends BaseWidget
     @Override
     public PendingIntent getOnClickPendingIntent(Context context)
     {
-        PendingIntentFactory factory = new PendingIntentFactory(context);
+        IntentFactory factory = new IntentFactory(context);
         return factory.buildViewHabit(habit);
     }
 

app/src/main/java/org/isoron/uhabits/ui/widgets/ScoreWidget.java

@@ -24,8 +24,8 @@ import android.content.*;
 import android.support.annotation.*;
 import android.view.*;
 
+import org.isoron.uhabits.intents.*;
 import org.isoron.uhabits.models.*;
-import org.isoron.uhabits.receivers.*;
 import org.isoron.uhabits.ui.common.views.*;
 import org.isoron.uhabits.ui.habits.show.views.*;
 import org.isoron.uhabits.ui.widgets.views.*;
@@ -47,7 +47,7 @@ public class ScoreWidget extends BaseWidget
     @Override
     public PendingIntent getOnClickPendingIntent(Context context)
     {
-        PendingIntentFactory factory = new PendingIntentFactory(context);
+        IntentFactory factory = new IntentFactory(context);
         return factory.buildViewHabit(habit);
     }
 

app/src/main/java/org/isoron/uhabits/ui/widgets/StreakWidget.java

@@ -25,8 +25,8 @@ import android.support.annotation.*;
 import android.view.*;
 import android.view.ViewGroup.*;
 
+import org.isoron.uhabits.intents.*;
 import org.isoron.uhabits.models.*;
-import org.isoron.uhabits.receivers.*;
 import org.isoron.uhabits.ui.common.views.*;
 import org.isoron.uhabits.ui.widgets.views.*;
 import org.isoron.uhabits.utils.*;
@@ -49,7 +49,7 @@ public class StreakWidget extends BaseWidget
     @Override
     public PendingIntent getOnClickPendingIntent(Context context)
     {
-        PendingIntentFactory factory = new PendingIntentFactory(context);
+        IntentFactory factory = new IntentFactory(context);
         return factory.buildViewHabit(habit);
     }
 

app/src/main/java/org/isoron/uhabits/utils/ReminderScheduler.java

@@ -0,0 +1,86 @@
+/*
+ * 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.utils;
+
+import android.app.*;
+import android.support.annotation.*;
+
+import org.isoron.uhabits.*;
+import org.isoron.uhabits.intents.*;
+import org.isoron.uhabits.models.*;
+
+import java.util.*;
+
+import javax.inject.*;
+
+import static org.isoron.uhabits.utils.DateUtils.*;
+
+public class ReminderScheduler
+{
+    private final IntentFactory intentFactory;
+
+    private final IntentScheduler intentScheduler;
+
+    @Inject
+    HabitLogger logger;
+
+    public ReminderScheduler(IntentFactory intentFactory,
+                             IntentScheduler intentScheduler)
+    {
+        this.intentFactory = intentFactory;
+        this.intentScheduler = intentScheduler;
+        HabitsApplication.getComponent().inject(this);
+    }
+
+    public void schedule(@NonNull Habit habit, @Nullable Long reminderTime)
+    {
+        if (!habit.hasReminder()) return;
+        Reminder reminder = habit.getReminder();
+        if (reminderTime == null) reminderTime = getReminderTime(reminder);
+        long timestamp = getStartOfDay(toLocalTime(reminderTime));
+
+        PendingIntent intent = intentFactory.buildShowReminder(habit,
+                reminderTime, timestamp);
+        intentScheduler.schedule(reminderTime, intent);
+        logger.logReminderScheduled(habit, reminderTime);
+    }
+
+    public void schedule(@NonNull HabitList habits)
+    {
+        HabitList reminderHabits = habits.getFiltered(HabitMatcher.WITH_ALARM);
+        for (Habit habit : reminderHabits)
+            schedule(habit, null);
+    }
+
+    @NonNull
+    private Long getReminderTime(@NonNull Reminder reminder)
+    {
+        Calendar calendar = DateUtils.getStartOfTodayCalendar();
+        calendar.set(Calendar.HOUR_OF_DAY, reminder.getHour());
+        calendar.set(Calendar.MINUTE, reminder.getMinute());
+        calendar.set(Calendar.SECOND, 0);
+        Long time = calendar.getTimeInMillis();
+
+        if (DateUtils.getLocalTime() > time)
+            time += AlarmManager.INTERVAL_DAY;
+
+        return time;
+    }
+}

app/src/main/java/org/isoron/uhabits/utils/RingtoneUtils.java

@@ -19,87 +19,18 @@
 
 package org.isoron.uhabits.utils;
 
-import android.app.*;
 import android.content.*;
 import android.media.*;
 import android.net.*;
-import android.os.*;
 import android.preference.*;
 import android.provider.*;
 import android.support.annotation.*;
-import android.support.v4.app.Fragment;
+import android.support.v4.app.*;
-import android.util.*;
 
 import org.isoron.uhabits.*;
-import org.isoron.uhabits.models.*;
-import org.isoron.uhabits.receivers.*;
 
-import java.text.*;
+public abstract class RingtoneUtils
-import java.util.*;
-
-public abstract class ReminderUtils
 {
-    public static void createReminderAlarm(Context context,
-                                           Habit habit,
-                                           @Nullable Long reminderTime)
-    {
-        if (!habit.hasReminder()) return;
-        Reminder reminder = habit.getReminder();
-
-        if (reminderTime == null)
-        {
-            Calendar calendar = Calendar.getInstance();
-            calendar.setTimeInMillis(System.currentTimeMillis());
-            calendar.set(Calendar.HOUR_OF_DAY, reminder.getHour());
-            calendar.set(Calendar.MINUTE, reminder.getMinute());
-            calendar.set(Calendar.SECOND, 0);
-
-            reminderTime = calendar.getTimeInMillis();
-
-            if (System.currentTimeMillis() > reminderTime)
-                reminderTime += AlarmManager.INTERVAL_DAY;
-        }
-
-        long timestamp =
-            DateUtils.getStartOfDay(DateUtils.toLocalTime(reminderTime));
-
-        Uri uri = habit.getUri();
-
-        Intent alarmIntent = new Intent(context, ReminderReceiver.class);
-        alarmIntent.setAction(ReminderReceiver.ACTION_SHOW_REMINDER);
-        alarmIntent.setData(uri);
-        alarmIntent.putExtra("timestamp", timestamp);
-        alarmIntent.putExtra("reminderTime", reminderTime);
-
-        PendingIntent pendingIntent = PendingIntent.getBroadcast(context,
-            ((int) (habit.getId() % Integer.MAX_VALUE)) + 1, alarmIntent,
-            PendingIntent.FLAG_UPDATE_CURRENT);
-
-        AlarmManager manager =
-            (AlarmManager) context.getSystemService(Context.ALARM_SERVICE);
-
-        if (Build.VERSION.SDK_INT >= 23)
-            manager.setExactAndAllowWhileIdle(AlarmManager.RTC_WAKEUP,
-                reminderTime, pendingIntent);
-        else if (Build.VERSION.SDK_INT >= 19)
-            manager.setExact(AlarmManager.RTC_WAKEUP, reminderTime,
-                pendingIntent);
-        else manager.set(AlarmManager.RTC_WAKEUP, reminderTime, pendingIntent);
-
-        String name =
-            habit.getName().substring(0, Math.min(3, habit.getName().length()));
-        Log.d("ReminderHelper", String.format("Setting alarm (%s): %s",
-            DateFormat.getDateTimeInstance().format(new Date(reminderTime)),
-            name));
-    }
-
-    public static void createReminderAlarms(Context context, HabitList habits)
-    {
-        HabitList reminderHabits = habits.getFiltered(HabitMatcher.WITH_ALARM);
-        for (Habit habit : reminderHabits)
-            createReminderAlarm(context, habit, null);
-    }
-
     @Nullable
     public static String getRingtoneName(Context context)
     {
@@ -174,7 +105,7 @@ public abstract class ReminderUtils
                                                    int requestCode)
     {
         Uri existingRingtoneUri =
-            ReminderUtils.getRingtoneUri(fragment.getContext());
+            getRingtoneUri(fragment.getContext());
         Uri defaultRingtoneUri = Settings.System.DEFAULT_NOTIFICATION_URI;
 
         Intent intent = new Intent(RingtoneManager.ACTION_RINGTONE_PICKER);

app/src/test/java/org/isoron/uhabits/BaseUnitTest.java

@@ -36,11 +36,14 @@ public class BaseUnitTest
     @Inject
     protected ModelFactory modelFactory;
 
-    protected TestComponent testComponent;
-
     @Inject
     protected HabitList habitList;
 
+    @Inject
+    protected HabitLogger logger;
+
+    protected TestComponent testComponent;
+
     protected HabitFixtures fixtures;
 
     @Before

app/src/test/java/org/isoron/uhabits/TestModule.java

@@ -73,4 +73,18 @@ public class TestModule
     {
         return mock(WidgetPreferences.class);
     }
+
+    @Provides
+    @Singleton
+    ReminderScheduler provideReminderScheduler()
+    {
+        return mock(ReminderScheduler.class);
+    }
+
+    @Provides
+    @Singleton
+    HabitLogger provideLogger()
+    {
+        return mock(HabitLogger.class);
+    }
 }

app/src/test/java/org/isoron/uhabits/utils/ReminderSchedulerTest.java

@@ -0,0 +1,139 @@
+/*
+ * 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.utils;
+
+import android.app.*;
+
+import org.isoron.uhabits.*;
+import org.isoron.uhabits.intents.*;
+import org.isoron.uhabits.models.*;
+import org.junit.*;
+
+import static org.mockito.Mockito.*;
+
+@SuppressWarnings("JavaDoc")
+public class ReminderSchedulerTest extends BaseUnitTest
+{
+    private IntentFactory intentFactory;
+
+    private IntentScheduler intentScheduler;
+
+    private ReminderScheduler scheduler;
+
+    private Habit habit;
+
+    private PendingIntent intent;
+
+    @Before
+    @Override
+    public void setUp()
+    {
+        super.setUp();
+        intentFactory = mock(IntentFactory.class);
+        intentScheduler = mock(IntentScheduler.class);
+        intent = mock(PendingIntent.class);
+
+        scheduler = new ReminderScheduler(intentFactory, intentScheduler);
+        habit = fixtures.createEmptyHabit();
+    }
+
+    @Test
+    public void testSchedule_atSpecificTime()
+    {
+        long atTime = 1422617400000L; // 11:30 jan 30, 2015 (UTC)
+        long expectedCheckmarkTime = 1422576000000L; // 00:00 jan 27, 2015 (UTC)
+
+        habit.setReminder(new Reminder(8, 30, DateUtils.ALL_WEEK_DAYS));
+        scheduleAndVerify(atTime, expectedCheckmarkTime, atTime);
+    }
+
+    @Test
+    public void testSchedule_laterToday()
+    {
+        long now = 1422253800000L; // 06:30 jan 26, 2015 (UTC)
+        DateUtils.setFixedLocalTime(now);
+
+        long expectedCheckmarkTime = 1422230400000L; // 00:00 jan 26, 2015 (UTC)
+        long expectedReminderTime = 1422261000000L; // 08:30 jan 26, 2015 (UTC)
+
+        habit.setReminder(new Reminder(8, 30, DateUtils.ALL_WEEK_DAYS));
+
+        scheduleAndVerify(null, expectedCheckmarkTime, expectedReminderTime);
+    }
+
+    @Test
+    public void testSchedule_list()
+    {
+        long now = 1422277200000L; // 13:00 jan 26, 2015 (UTC)
+        DateUtils.setFixedLocalTime(now);
+
+        fixtures.purgeHabits();
+
+        Habit h1 = fixtures.createEmptyHabit();
+        h1.setReminder(new Reminder(8, 30, DateUtils.ALL_WEEK_DAYS));
+
+        Habit h2 = fixtures.createEmptyHabit();
+        h2.setReminder(new Reminder(18, 30, DateUtils.ALL_WEEK_DAYS));
+
+        fixtures.createEmptyHabit();
+
+        scheduler.schedule(habitList);
+
+        verify(intentScheduler).schedule(1422347400000L, null);
+        verify(intentScheduler).schedule(1422297000000L, null);
+        verifyNoMoreInteractions(intentScheduler);
+    }
+
+    @Test
+    public void testSchedule_tomorrow()
+    {
+        long now = 1453813200000L; // 13:00 jan 26, 2016 (UTC)
+        DateUtils.setFixedLocalTime(now);
+
+        long expectedCheckmarkTime = 1453852800000L; // 00:00 jan 27, 2016 (UTC)
+        long expectedReminderTime = 1453883400000L; // 08:30 jan 27, 2016 (UTC)
+
+        habit.setReminder(new Reminder(8, 30, DateUtils.ALL_WEEK_DAYS));
+        scheduleAndVerify(null, expectedCheckmarkTime, expectedReminderTime);
+    }
+
+    @Test
+    public void testSchedule_withoutReminder()
+    {
+        scheduler.schedule(habit, null);
+        verifyZeroInteractions(intentScheduler);
+    }
+
+    private void scheduleAndVerify(Long atTime,
+                                   long expectedCheckmarkTime,
+                                   long expectedReminderTime)
+    {
+        when(intentFactory.buildShowReminder(habit, expectedReminderTime,
+                expectedCheckmarkTime)).thenReturn(intent);
+
+        scheduler.schedule(habit, atTime);
+
+        verify(logger).logReminderScheduled(habit, expectedReminderTime);
+
+        verify(intentFactory).buildShowReminder(habit, expectedReminderTime,
+                expectedCheckmarkTime);
+        verify(intentScheduler).schedule(expectedReminderTime, intent);
+    }
+}