Split InterfaceUtils

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

@@ -61,7 +61,8 @@ public abstract class BaseRootView extends FrameLayout
             return getContext().getResources().getColor(R.color.grey_900);
         }
 
-        return InterfaceUtils.getStyledColor(getContext(), R.attr.colorPrimary);
+        StyledResources res = new StyledResources(getContext());
+        return res.getColor(R.attr.colorPrimary);
     }
 
     protected void initToolbar()

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

@@ -108,6 +108,25 @@ public abstract class BaseScreen
         rootView.invalidate();
     }
 
+    public void invalidateToolbar()
+    {
+        if (rootView == null) return;
+
+        activity.runOnUiThread(() -> {
+            Toolbar toolbar = rootView.getToolbar();
+            activity.setSupportActionBar(toolbar);
+            ActionBar actionBar = activity.getSupportActionBar();
+            if (actionBar == null) return;
+
+            actionBar.setDisplayHomeAsUpEnabled(rootView.getDisplayHomeAsUp());
+
+            int color = rootView.getToolbarColor();
+            setActionBarColor(actionBar, color);
+            setStatusBarColor(color);
+            setupToolbarElevation(toolbar);
+        });
+    }
+
     /**
      * Called when another Activity has finished, and has returned some result.
      *
@@ -136,25 +155,6 @@ public abstract class BaseScreen
         activity.setBaseMenu(menu);
     }
 
-    public void showMessage(@StringRes int stringId)
-    {
-        activity.showMessage(stringId);
-    }
-
-    /**
-     * Sets the root view for this screen.
-     *
-     * @param rootView the root view for this screen.
-     */
-    protected void setRootView(@Nullable BaseRootView rootView)
-    {
-        this.rootView = rootView;
-        activity.setContentView(rootView);
-        if (rootView == null) return;
-
-        invalidateToolbar();
-    }
-
     /**
      * Sets the menu to be shown when a selection is active on the screen.
      *
@@ -165,12 +165,22 @@ public abstract class BaseScreen
         this.selectionMenu = menu;
     }
 
-    public void showSendEmailScreen(String to, String subject, String content)
+    public void showMessage(@StringRes int stringId)
     {
+        activity.showMessage(stringId);
+    }
+
+    public void showSendEmailScreen(@StringRes int toId,
+                                    @StringRes int subjectId,
+                                    String content)
+    {
+        String to = activity.getString(toId);
+        String subject = activity.getString(subjectId);
+
         Intent intent = new Intent();
         intent.setAction(Intent.ACTION_SEND);
         intent.setType("message/rfc822");
-        intent.putExtra(Intent.EXTRA_EMAIL, new String[]{to});
+        intent.putExtra(Intent.EXTRA_EMAIL, new String[]{ to });
         intent.putExtra(Intent.EXTRA_SUBJECT, subject);
         intent.putExtra(Intent.EXTRA_TEXT, content);
         activity.startActivity(intent);
@@ -197,23 +207,18 @@ public abstract class BaseScreen
         activity.startSupportActionMode(new ActionModeWrapper());
     }
 
-    public void invalidateToolbar()
+    /**
+     * Sets the root view for this screen.
+     *
+     * @param rootView the root view for this screen.
+     */
+    protected void setRootView(@Nullable BaseRootView rootView)
     {
+        this.rootView = rootView;
+        activity.setContentView(rootView);
         if (rootView == null) return;
 
-        activity.runOnUiThread(() -> {
+        invalidateToolbar();
-            Toolbar toolbar = rootView.getToolbar();
-            activity.setSupportActionBar(toolbar);
-            ActionBar actionBar = activity.getSupportActionBar();
-            if (actionBar == null) return;
-
-            actionBar.setDisplayHomeAsUpEnabled(rootView.getDisplayHomeAsUp());
-
-            int color = rootView.getToolbarColor();
-            setActionBarColor(actionBar, color);
-            setStatusBarColor(color);
-            setupToolbarElevation(toolbar);
-        });
     }
 
     private void setActionBarColor(@NonNull ActionBar actionBar, int color)

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

@@ -74,16 +74,16 @@ public class BaseSystem
     @NonNull
     public File dumpBugReportToFile() throws IOException
     {
-        String date = DateFormats.getBackupDateFormat().format(
+        String date =
-                DateUtils.getLocalTime());
+            DateFormats.getBackupDateFormat().format(DateUtils.getLocalTime());
 
         if (context == null) throw new RuntimeException(
-                "application context should not be null");
+            "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 = new File(
+        File logFile =
-                String.format("%s/Log %s.txt", dir.getPath(), date));
+            new File(String.format("%s/Log %s.txt", dir.getPath(), date));
         FileWriter output = new FileWriter(logFile);
         output.write(getBugReport());
         output.close();
@@ -104,7 +104,12 @@ public class BaseSystem
     {
         String logcat = getLogcat();
         String deviceInfo = getDeviceInfo();
-        return deviceInfo + "\n" + logcat;
+
+        String log = "---------- BUG REPORT BEGINS ----------\n";
+        log += deviceInfo + "\n" + logcat;
+        log += "---------- BUG REPORT ENDS ------------\n";
+
+        return log;
     }
 
     public String getLogcat() throws IOException
@@ -140,27 +145,25 @@ public class BaseSystem
     {
         if (context == null) return "null context\n";
 
-        WindowManager wm = (WindowManager) context.getSystemService(
+        WindowManager wm =
-                Context.WINDOW_SERVICE);
+            (WindowManager) context.getSystemService(Context.WINDOW_SERVICE);
 
-        return String.format("App Version Name: %s\n",
+        return
-                BuildConfig.VERSION_NAME) +
+            String.format("App Version Name: %s\n", BuildConfig.VERSION_NAME) +
-               String.format("App Version Code: %s\n",
+            String.format("App Version Code: %s\n", BuildConfig.VERSION_CODE) +
-                       BuildConfig.VERSION_CODE) +
+            String.format("OS Version: %s (%s)\n",
-               String.format("OS Version: %s (%s)\n",
+                System.getProperty("os.version"), Build.VERSION.INCREMENTAL) +
-                       System.getProperty("os.version"),
+            String.format("OS API Level: %s\n", Build.VERSION.SDK) +
-                       Build.VERSION.INCREMENTAL) +
+            String.format("Device: %s\n", Build.DEVICE) +
-               String.format("OS API Level: %s\n", Build.VERSION.SDK) +
+            String.format("Model (Product): %s (%s)\n", Build.MODEL,
-               String.format("Device: %s\n", Build.DEVICE) +
+                Build.PRODUCT) +
-               String.format("Model (Product): %s (%s)\n", Build.MODEL,
+            String.format("Manufacturer: %s\n", Build.MANUFACTURER) +
-                       Build.PRODUCT) +
+            String.format("Other tags: %s\n", Build.TAGS) +
-               String.format("Manufacturer: %s\n", Build.MANUFACTURER) +
+            String.format("Screen Width: %s\n",
-               String.format("Other tags: %s\n", Build.TAGS) +
+                wm.getDefaultDisplay().getWidth()) +
-               String.format("Screen Width: %s\n",
+            String.format("Screen Height: %s\n",
-                       wm.getDefaultDisplay().getWidth()) +
+                wm.getDefaultDisplay().getHeight()) +
-               String.format("Screen Height: %s\n",
+            String.format("External storage state: %s\n\n",
-                       wm.getDefaultDisplay().getHeight()) +
+                Environment.getExternalStorageState());
-               String.format("External storage state: %s\n\n",
-                       Environment.getExternalStorageState());
     }
 }

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

@@ -76,8 +76,8 @@ public class AboutActivity extends BaseActivity implements View.OnClickListener
 
         setContentView(R.layout.about);
 
-        int color =
+        StyledResources res = new StyledResources(this);
-            InterfaceUtils.getStyledColor(this, R.attr.aboutScreenColor);
+        int color = res.getColor(R.attr.aboutScreenColor);
 
         BaseScreen.setupActionBarColor(this, color);
 

app/src/main/java/org/isoron/uhabits/ui/common/dialogs/ColorPickerDialog.java

@@ -33,12 +33,12 @@ public class ColorPickerDialog extends com.android.colorpicker.ColorPickerDialog
     {
         ColorPickerDialog dialog = new ColorPickerDialog();
         Context context = dialog.getContext();
+        StyledResources res = new StyledResources(context);
 
         int color = ColorUtils.getColor(context, paletteColor);
 
-        dialog.initialize(R.string.color_picker_default_title,
+        dialog.initialize(R.string.color_picker_default_title, res.getPalette(),
-                ColorUtils.getPalette(context), color, 4,
+            color, 4, com.android.colorpicker.ColorPickerDialog.SIZE_SMALL);
-                com.android.colorpicker.ColorPickerDialog.SIZE_SMALL);
 
         return dialog;
     }

app/src/main/java/org/isoron/uhabits/ui/common/views/FrequencyChart.java

@@ -267,10 +267,9 @@ public class FrequencyChart extends ScrollableChart
 
     private void initColors()
     {
-        textColor = InterfaceUtils.getStyledColor(getContext(),
+        StyledResources res = new StyledResources(getContext());
-            R.attr.mediumContrastTextColor);
+        textColor = res.getColor(R.attr.mediumContrastTextColor);
-        gridColor = InterfaceUtils.getStyledColor(getContext(),
+        gridColor = res.getColor(R.attr.lowContrastTextColor);
-            R.attr.lowContrastTextColor);
 
         colors = new int[4];
         colors[0] = gridColor;

app/src/main/java/org/isoron/uhabits/ui/common/views/HistoryChart.java

@@ -353,6 +353,8 @@ public class HistoryChart extends ScrollableChart
 
     private void initColors()
     {
+        StyledResources res = new StyledResources(getContext());
+
         if (isBackgroundTransparent)
             primaryColor = ColorUtils.setMinValue(primaryColor, 0.75f);
 
@@ -372,14 +374,12 @@ public class HistoryChart extends ScrollableChart
         else
         {
             colors = new int[3];
-            colors[0] = InterfaceUtils.getStyledColor(getContext(),
+            colors[0] = res.getColor(R.attr.lowContrastTextColor);
-                R.attr.lowContrastTextColor);
             colors[1] = Color.argb(127, red, green, blue);
             colors[2] = primaryColor;
-            textColor = InterfaceUtils.getStyledColor(getContext(),
+            textColor = res.getColor(R.attr.mediumContrastTextColor);
-                R.attr.mediumContrastTextColor);
+            reverseTextColor =
-            reverseTextColor = InterfaceUtils.getStyledColor(getContext(),
+                res.getColor(R.attr.highContrastReverseTextColor);
-                R.attr.highContrastReverseTextColor);
         }
     }
 

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

@@ -29,6 +29,7 @@ import android.view.*;
 import org.isoron.uhabits.*;
 import org.isoron.uhabits.utils.*;
 
+import static org.isoron.uhabits.utils.AttributeSetUtils.*;
 import static org.isoron.uhabits.utils.InterfaceUtils.*;
 
 public class RingView extends View
@@ -91,8 +92,7 @@ public class RingView extends View
         precision = getFloatAttribute(ctx, attrs, "precision", 0.01f);
 
         color = getColorAttribute(ctx, attrs, "color", 0);
-        backgroundColor =
+        backgroundColor = getColorAttribute(ctx, attrs, "backgroundColor", null);
-            getColorAttribute(ctx, attrs, "backgroundColor", null);
         inactiveColor = getColorAttribute(ctx, attrs, "inactiveColor", null);
 
         thickness = getFloatAttribute(ctx, attrs, "thickness", 0);
@@ -102,10 +102,10 @@ public class RingView extends View
             ctx.getResources().getDimension(R.dimen.smallTextSize);
         textSize = getFloatAttribute(ctx, attrs, "textSize", defaultTextSize);
         textSize = spToPixels(ctx, textSize);
-        text = getAttribute(ctx, attrs, "text", "");
+        text = AttributeSetUtils.getAttribute(ctx, attrs, "text", "");
 
-        enableFontAwesome =
+        enableFontAwesome = AttributeSetUtils.getBooleanAttribute(ctx, attrs,
-            getBooleanAttribute(ctx, attrs, "enableFontAwesome", false);
+            "enableFontAwesome", false);
 
         init();
     }
@@ -234,13 +234,13 @@ public class RingView extends View
         pRing.setColor(color);
         pRing.setTextAlign(Paint.Align.CENTER);
 
-        if (backgroundColor == null) backgroundColor =
+        StyledResources res = new StyledResources(getContext());
-            InterfaceUtils.getStyledColor(getContext(),
-                R.attr.cardBackgroundColor);
 
-        if (inactiveColor == null) inactiveColor =
+        if (backgroundColor == null)
-            InterfaceUtils.getStyledColor(getContext(),
+            backgroundColor = res.getColor(R.attr.cardBackgroundColor);
-                R.attr.highContrastTextColor);
+
+        if (inactiveColor == null)
+            inactiveColor = res.getColor(R.attr.highContrastTextColor);
 
         inactiveColor = ColorUtils.setAlpha(inactiveColor, 0.1f);
 

app/src/main/java/org/isoron/uhabits/ui/common/views/ScoreChart.java

@@ -402,12 +402,12 @@ public class ScoreChart extends ScrollableChart
 
     private void initColors()
     {
-        Context context = getContext();
+        StyledResources res = new StyledResources(getContext());
 
         primaryColor = Color.BLACK;
-        textColor = getStyledColor(context, R.attr.mediumContrastTextColor);
+        textColor = res.getColor(R.attr.mediumContrastTextColor);
-        gridColor = getStyledColor(context, R.attr.lowContrastTextColor);
+        gridColor = res.getColor(R.attr.lowContrastTextColor);
-        backgroundColor = getStyledColor(context, R.attr.cardBackgroundColor);
+        backgroundColor = res.getColor(R.attr.cardBackgroundColor);
     }
 
     private void initDateFormats()

app/src/main/java/org/isoron/uhabits/ui/common/views/StreakChart.java

@@ -244,16 +244,15 @@ public class StreakChart extends View
         int green = Color.green(primaryColor);
         int blue = Color.blue(primaryColor);
 
+        StyledResources res = new StyledResources(getContext());
+
         colors = new int[4];
         colors[3] = primaryColor;
         colors[2] = Color.argb(192, red, green, blue);
         colors[1] = Color.argb(96, red, green, blue);
-        colors[0] = InterfaceUtils.getStyledColor(getContext(),
+        colors[0] = res.getColor(R.attr.lowContrastTextColor);
-            R.attr.lowContrastTextColor);
+        textColor = res.getColor(R.attr.mediumContrastTextColor);
-        textColor = InterfaceUtils.getStyledColor(getContext(),
+        reverseTextColor = res.getColor(R.attr.highContrastReverseTextColor);
-            R.attr.mediumContrastTextColor);
-        reverseTextColor = InterfaceUtils.getStyledColor(getContext(),
-            R.attr.highContrastReverseTextColor);
     }
 
     private void initPaints()

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

@@ -55,9 +55,6 @@ public class ListHabitsController
     @NonNull
     private final CommandRunner commandRunner;
 
-    @NonNull
-    private final ReminderScheduler reminderScheduler;
-
     @NonNull
     private final TaskRunner taskRunner;
 
@@ -75,7 +72,6 @@ public class ListHabitsController
         prefs = component.getPreferences();
         taskRunner = component.getTaskRunner();
         commandRunner = component.getCommandRunner();
-        reminderScheduler = component.getReminderScheduler();
     }
 
     public void onExportCSV()
@@ -150,12 +146,10 @@ public class ListHabitsController
 
         try
         {
-            String log = "---------- BUG REPORT BEGINS ----------\n";
+            String log = system.getBugReport();
-            log += system.getBugReport();
+            int to = R.string.bugReportTo;
-            log += "---------- BUG REPORT ENDS ------------\n";
+            int subject = R.string.bugReportSubject;
-            String to = "dev@loophabits.org";
+            screen.showSendEmailScreen(to, subject, log);
-            String subject = "Bug Report - Loop Habit Tracker";
-            screen.showSendEmailScreen(log, to, subject);
         }
         catch (IOException e)
         {
@@ -172,6 +166,8 @@ public class ListHabitsController
         if (prefs.isFirstRun()) onFirstRun();
 
         new Handler().postDelayed(() -> {
+            ReminderScheduler reminderScheduler =
+                HabitsApplication.getComponent().getReminderScheduler();
             taskRunner.execute(() -> reminderScheduler.schedule(habitList));
             HabitsApplication.getWidgetUpdater().updateWidgets();
         }, 1000);

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

@@ -40,6 +40,8 @@ public class CheckmarkButtonView extends FrameLayout
     @BindView(R.id.tvCheck)
     TextView tvCheck;
 
+    private StyledResources res;
+
     public CheckmarkButtonView(Context context)
     {
         super(context);
@@ -76,8 +78,7 @@ public class CheckmarkButtonView extends FrameLayout
     @Override
     protected void onDraw(Canvas canvas)
     {
-        int lowContrastColor = InterfaceUtils.getStyledColor(getContext(),
+        int lowContrastColor = res.getColor(R.attr.lowContrastTextColor);
-            R.attr.lowContrastTextColor);
 
         if (value == Checkmark.CHECKED_EXPLICITLY)
         {
@@ -106,6 +107,8 @@ public class CheckmarkButtonView extends FrameLayout
             inflate(getContext(), R.layout.list_habits_card_checkmark, null));
         ButterKnife.bind(this);
 
+        res = new StyledResources(getContext());
+
         setWillNotDraw(false);
         setHapticFeedbackEnabled(false);
 

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

@@ -36,11 +36,11 @@ import java.util.*;
 
 import butterknife.*;
 
-import static org.isoron.uhabits.utils.InterfaceUtils.*;
+import static android.os.Build.VERSION.*;
+import static android.os.Build.VERSION_CODES.*;
 
 public class HabitCardView extends FrameLayout
 {
-    private Habit habit;
 
     @BindView(R.id.checkmarkPanel)
     CheckmarkPanelView checkmarkPanel;
@@ -56,6 +56,8 @@ public class HabitCardView extends FrameLayout
 
     private final Context context = getContext();
 
+    private StyledResources res;
+
     public HabitCardView(Context context)
     {
         super(context);
@@ -68,12 +70,6 @@ public class HabitCardView extends FrameLayout
         init();
     }
 
-    public HabitCardView(Context context, AttributeSet attrs, int defStyleAttr)
-    {
-        super(context, attrs, defStyleAttr);
-        init();
-    }
-
     public void setCheckmarkValues(int checkmarks[])
     {
         checkmarkPanel.setCheckmarkValues(checkmarks);
@@ -89,7 +85,6 @@ public class HabitCardView extends FrameLayout
 
     public void setHabit(Habit habit)
     {
-        this.habit = habit;
         int color = getActiveColor(habit);
 
         label.setText(habit.getName());
@@ -130,8 +125,7 @@ public class HabitCardView extends FrameLayout
 
     private int getActiveColor(Habit habit)
     {
-        int mediumContrastColor =
+        int mediumContrastColor = res.getColor(R.attr.mediumContrastTextColor);
-            getStyledColor(context, R.attr.mediumContrastTextColor);
         int activeColor = ColorUtils.getColor(context, habit.getColor());
         if (habit.isArchived()) activeColor = mediumContrastColor;
 
@@ -143,11 +137,13 @@ public class HabitCardView extends FrameLayout
         setLayoutParams(new LayoutParams(ViewGroup.LayoutParams.MATCH_PARENT,
             ViewGroup.LayoutParams.WRAP_CONTENT));
 
+        res = new StyledResources(getContext());
+
         inflate(context, R.layout.list_habits_card, this);
         ButterKnife.bind(this);
 
         innerFrame.setOnTouchListener((v, event) -> {
-            if (android.os.Build.VERSION.SDK_INT >= 21)
+            if (SDK_INT >= LOLLIPOP)
                 v.getBackground().setHotspot(event.getX(), event.getY());
             return false;
         });
@@ -189,7 +185,7 @@ public class HabitCardView extends FrameLayout
     private void triggerRipple(final float x, final float y)
     {
         final Drawable background = innerFrame.getBackground();
-        if (android.os.Build.VERSION.SDK_INT >= 21) background.setHotspot(x, y);
+        if (SDK_INT >= LOLLIPOP) background.setHotspot(x, y);
         background.setState(new int[]{
             android.R.attr.state_pressed, android.R.attr.state_enabled
         });
@@ -198,7 +194,7 @@ public class HabitCardView extends FrameLayout
 
     private void updateBackground(boolean isSelected)
     {
-        if (android.os.Build.VERSION.SDK_INT >= 21)
+        if (SDK_INT >= LOLLIPOP)
         {
             if (isSelected)
                 innerFrame.setBackgroundResource(R.drawable.selected_box);
@@ -208,11 +204,11 @@ public class HabitCardView extends FrameLayout
         {
             Drawable background;
 
-            if (isSelected) background =
+            if (isSelected)
-                getStyledDrawable(context, R.attr.selectedBackground);
+                background = res.getDrawable(R.attr.selectedBackground);
-            else background = getStyledDrawable(context, R.attr.cardBackground);
+            else background = res.getDrawable(R.attr.cardBackground);
 
-            innerFrame.setBackgroundDrawable(background);
+            innerFrame.setBackground(background);
         }
     }
 

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

@@ -31,8 +31,6 @@ import org.isoron.uhabits.utils.*;
 
 import butterknife.*;
 
-import static org.isoron.uhabits.utils.InterfaceUtils.*;
-
 public class ShowHabitRootView extends BaseRootView
     implements ModelObservable.Listener
 {
@@ -63,8 +61,7 @@ public class ShowHabitRootView extends BaseRootView
     @NonNull
     private Controller controller;
 
-    public ShowHabitRootView(@NonNull Context context,
+    public ShowHabitRootView(@NonNull Context context, @NonNull Habit habit)
-                             @NonNull Habit habit)
     {
         super(context);
         this.habit = habit;
@@ -91,16 +88,11 @@ public class ShowHabitRootView extends BaseRootView
         return toolbar;
     }
 
-    public void setController(@NonNull Controller controller)
-    {
-        this.controller = controller;
-        historyCard.setController(controller);
-    }
-
     @Override
     public int getToolbarColor()
     {
-        if (!getStyledBoolean(getContext(), R.attr.useHabitColorAsPrimary))
+        StyledResources res = new StyledResources(getContext());
+        if (!res.getBoolean(R.attr.useHabitColorAsPrimary))
             return super.getToolbarColor();
 
         return ColorUtils.getColor(getContext(), habit.getColor());
@@ -112,6 +104,12 @@ public class ShowHabitRootView extends BaseRootView
         controller.onToolbarChanged();
     }
 
+    public void setController(@NonNull Controller controller)
+    {
+        this.controller = controller;
+        historyCard.setController(controller);
+    }
+
     @Override
     protected void initToolbar()
     {
@@ -145,6 +143,6 @@ public class ShowHabitRootView extends BaseRootView
 
     public interface Controller extends HistoryCard.Controller
     {
-        default void onToolbarChanged(){}
+        default void onToolbarChanged() {}
     }
 }

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

@@ -121,8 +121,8 @@ public class OverviewCard extends HabitCard
         monthDiffLabel.setText(formatPercentageDiff(monthDiff));
         yearDiffLabel.setText(formatPercentageDiff(yearDiff));
 
-        int inactiveColor = InterfaceUtils.getStyledColor(getContext(),
+        StyledResources res = new StyledResources(getContext());
-            R.attr.mediumContrastTextColor);
+        int inactiveColor = res.getColor(R.attr.mediumContrastTextColor);
 
         monthDiffLabel.setTextColor(monthDiff >= 0 ? color : inactiveColor);
         yearDiffLabel.setTextColor(yearDiff >= 0 ? color : inactiveColor);

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

@@ -51,6 +51,8 @@ public class ScoreCard extends HabitCard
 
     private TaskRunner taskRunner;
 
+    private Preferences prefs;
+
     public ScoreCard(Context context)
     {
         super(context);
@@ -94,12 +96,13 @@ public class ScoreCard extends HabitCard
     private int getDefaultSpinnerPosition()
     {
         if (isInEditMode()) return 0;
-        return InterfaceUtils.getDefaultScoreSpinnerPosition(getContext());
+        return prefs.getDefaultScoreSpinnerPosition();
     }
 
     private void init()
     {
         taskRunner = HabitsApplication.getComponent().getTaskRunner();
+        prefs = HabitsApplication.getComponent().getPreferences();
 
         inflate(getContext(), R.layout.show_habit_score, this);
         ButterKnife.bind(this);
@@ -121,7 +124,7 @@ public class ScoreCard extends HabitCard
     {
         if (isInEditMode()) return;
 
-        InterfaceUtils.setDefaultScoreSpinnerPosition(getContext(), position);
+        prefs.setDefaultScoreSpinnerPosition(position);
         bucketSize = BUCKET_SIZES[position];
     }
 

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

@@ -36,8 +36,8 @@ public class SettingsActivity extends BaseActivity
         super.onCreate(savedInstanceState);
         setContentView(R.layout.settings_activity);
 
-        int color =
+        StyledResources res = new StyledResources(this);
-            InterfaceUtils.getStyledColor(this, R.attr.aboutScreenColor);
+        int color = res.getColor(R.attr.aboutScreenColor);
         BaseScreen.setupActionBarColor(this, color);
     }
 }

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

@@ -24,6 +24,7 @@ import android.content.*;
 import android.support.annotation.*;
 import android.view.*;
 
+import org.isoron.uhabits.*;
 import org.isoron.uhabits.intents.*;
 import org.isoron.uhabits.models.*;
 import org.isoron.uhabits.ui.common.views.*;
@@ -38,10 +39,13 @@ public class ScoreWidget extends BaseWidget
     @NonNull
     private Habit habit;
 
+    private final Preferences prefs;
+
     public ScoreWidget(@NonNull Context context, int id, @NonNull Habit habit)
     {
         super(context, id);
         this.habit = habit;
+        prefs = HabitsApplication.getComponent().getPreferences();
     }
 
     @Override
@@ -54,8 +58,7 @@ public class ScoreWidget extends BaseWidget
     @Override
     public void refreshData(View view)
     {
-        int defaultScoreInterval =
+        int defaultScoreInterval = prefs.getDefaultScoreSpinnerPosition();
-            InterfaceUtils.getDefaultScoreSpinnerPosition(getContext());
         int size = ScoreCard.BUCKET_SIZES[defaultScoreInterval];
 
         GraphWidgetView widgetView = (GraphWidgetView) view;

app/src/main/java/org/isoron/uhabits/ui/widgets/views/CheckmarkWidgetView.java

@@ -60,33 +60,30 @@ public class CheckmarkWidgetView extends HabitWidgetView
     {
         if (backgroundPaint == null || frame == null || ring == null) return;
 
-        Context context = getContext();
+        StyledResources res = new StyledResources(getContext());
 
         String text;
-        int backgroundColor;
+        int bgColor;
-        int foregroundColor;
+        int fgColor;
 
         switch (checkmarkValue)
         {
             case Checkmark.CHECKED_EXPLICITLY:
                 text = getResources().getString(R.string.fa_check);
-                backgroundColor = activeColor;
+                bgColor = activeColor;
-                foregroundColor = InterfaceUtils.getStyledColor(context,
+                fgColor = res.getColor(R.attr.highContrastReverseTextColor);
-                    R.attr.highContrastReverseTextColor);
 
                 setShadowAlpha(0x4f);
                 rebuildBackground();
 
-                backgroundPaint.setColor(backgroundColor);
+                backgroundPaint.setColor(bgColor);
                 frame.setBackgroundDrawable(background);
                 break;
 
             case Checkmark.CHECKED_IMPLICITLY:
                 text = getResources().getString(R.string.fa_check);
-                backgroundColor = InterfaceUtils.getStyledColor(context,
+                bgColor = res.getColor(R.attr.cardBackgroundColor);
-                    R.attr.cardBackgroundColor);
+                fgColor = res.getColor(R.attr.mediumContrastTextColor);
-                foregroundColor = InterfaceUtils.getStyledColor(context,
-                    R.attr.mediumContrastTextColor);
 
                 setShadowAlpha(0x00);
                 rebuildBackground();
@@ -96,10 +93,8 @@ public class CheckmarkWidgetView extends HabitWidgetView
             case Checkmark.UNCHECKED:
             default:
                 text = getResources().getString(R.string.fa_times);
-                backgroundColor = InterfaceUtils.getStyledColor(context,
+                bgColor = res.getColor(R.attr.cardBackgroundColor);
-                    R.attr.cardBackgroundColor);
+                fgColor = res.getColor(R.attr.mediumContrastTextColor);
-                foregroundColor = InterfaceUtils.getStyledColor(context,
-                    R.attr.mediumContrastTextColor);
 
                 setShadowAlpha(0x00);
                 rebuildBackground();
@@ -108,17 +103,22 @@ public class CheckmarkWidgetView extends HabitWidgetView
         }
 
         ring.setPercentage(percentage);
-        ring.setColor(foregroundColor);
+        ring.setColor(fgColor);
-        ring.setBackgroundColor(backgroundColor);
+        ring.setBackgroundColor(bgColor);
         ring.setText(text);
 
         label.setText(name);
-        label.setTextColor(foregroundColor);
+        label.setTextColor(fgColor);
 
         requestLayout();
         postInvalidate();
     }
 
+    public void setActiveColor(int activeColor)
+    {
+        this.activeColor = activeColor;
+    }
+
     public void setCheckmarkValue(int checkmarkValue)
     {
         this.checkmarkValue = checkmarkValue;
@@ -134,11 +134,6 @@ public class CheckmarkWidgetView extends HabitWidgetView
         this.percentage = percentage;
     }
 
-    public void setActiveColor(int activeColor)
-    {
-        this.activeColor = activeColor;
-    }
-
     @Override
     @NonNull
     protected Integer getInnerLayoutId()

app/src/main/java/org/isoron/uhabits/ui/widgets/views/HabitWidgetView.java

@@ -33,6 +33,8 @@ import org.isoron.uhabits.utils.*;
 
 import java.util.*;
 
+import static org.isoron.uhabits.utils.InterfaceUtils.*;
+
 public abstract class HabitWidgetView extends FrameLayout
 {
     @Nullable
@@ -45,6 +47,8 @@ public abstract class HabitWidgetView extends FrameLayout
 
     private int shadowAlpha;
 
+    private StyledResources res;
+
     public HabitWidgetView(Context context)
     {
         super(context);
@@ -70,15 +74,14 @@ public abstract class HabitWidgetView extends FrameLayout
     {
         Context context = getContext();
 
-        int backgroundAlpha = (int) (255 *
+        int backgroundAlpha =
-                                     InterfaceUtils.getStyledFloat(context,
+            (int) (255 * res.getFloat(R.attr.widgetBackgroundAlpha));
-                                         R.attr.widgetBackgroundAlpha));
 
-        int shadowRadius = (int) InterfaceUtils.dpToPixels(context, 2);
+        int shadowRadius = (int) dpToPixels(context, 2);
-        int shadowOffset = (int) InterfaceUtils.dpToPixels(context, 1);
+        int shadowOffset = (int) dpToPixels(context, 1);
         int shadowColor = Color.argb(shadowAlpha, 0, 0, 0);
 
-        float cornerRadius = InterfaceUtils.dpToPixels(context, 5);
+        float cornerRadius = dpToPixels(context, 5);
         float[] radii = new float[8];
         Arrays.fill(radii, cornerRadius);
 
@@ -94,8 +97,7 @@ public abstract class HabitWidgetView extends FrameLayout
         backgroundPaint = innerDrawable.getPaint();
         backgroundPaint.setShadowLayer(shadowRadius, shadowOffset, shadowOffset,
             shadowColor);
-        backgroundPaint.setColor(
+        backgroundPaint.setColor(res.getColor(R.attr.cardBackgroundColor));
-            InterfaceUtils.getStyledColor(context, R.attr.cardBackgroundColor));
         backgroundPaint.setAlpha(backgroundAlpha);
 
         frame = (ViewGroup) findViewById(R.id.frame);
@@ -105,8 +107,8 @@ public abstract class HabitWidgetView extends FrameLayout
     private void init()
     {
         inflate(getContext(), getInnerLayoutId(), this);
-        shadowAlpha = (int) (255 * InterfaceUtils.getStyledFloat(getContext(),
+        res = new StyledResources(getContext());
-            R.attr.widgetShadowAlpha));
+        shadowAlpha = (int) (255 * res.getFloat(R.attr.widgetShadowAlpha));
         rebuildBackground();
     }
 }

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

@@ -0,0 +1,77 @@
+/*
+ * 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.content.*;
+import android.support.annotation.*;
+import android.support.annotation.Nullable;
+import android.util.*;
+
+import org.jetbrains.annotations.*;
+
+public class AttributeSetUtils
+{
+    public static final String ISORON_NAMESPACE = "http://isoron.org/android";
+
+    @Nullable
+    public static String getAttribute(@NonNull Context context,
+                                      @NonNull AttributeSet attrs,
+                                      @NonNull String name,
+                                      @Nullable String defaultValue)
+    {
+        int resId = attrs.getAttributeResourceValue(ISORON_NAMESPACE, name, 0);
+        if (resId != 0) return context.getResources().getString(resId);
+
+        String value = attrs.getAttributeValue(ISORON_NAMESPACE, name);
+        if (value != null) return value;
+        else return defaultValue;
+    }
+
+    public static boolean getBooleanAttribute(@NonNull Context context,
+                                              @NonNull AttributeSet attrs,
+                                              @NonNull String name,
+                                              boolean defaultValue)
+    {
+        String boolText = getAttribute(context, attrs, name, null);
+        if (boolText != null) return Boolean.parseBoolean(boolText);
+        else return defaultValue;
+    }
+
+    @Contract("_,_,_,!null -> !null")
+    public static Integer getColorAttribute(@NonNull Context context,
+                                            @NonNull AttributeSet attrs,
+                                            @NonNull String name,
+                                            @Nullable Integer defaultValue)
+    {
+        int resId = attrs.getAttributeResourceValue(ISORON_NAMESPACE, name, 0);
+        if (resId != 0) return context.getResources().getColor(resId);
+        else return defaultValue;
+    }
+
+    public static float getFloatAttribute(@NonNull Context context,
+                                          @NonNull AttributeSet attrs,
+                                          @NonNull String name,
+                                          float defaultValue)
+    {
+        String number = getAttribute(context, attrs, name, null);
+        if (number != null) return Float.parseFloat(number);
+        else return defaultValue;
+    }
+}

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

@@ -23,8 +23,6 @@ import android.content.*;
 import android.graphics.*;
 import android.util.*;
 
-import org.isoron.uhabits.*;
-
 public abstract class ColorUtils
 {
     public static String CSV_PALETTE[] = {
@@ -45,7 +43,8 @@ public abstract class ColorUtils
 
     public static int colorToPaletteIndex(Context context, int color)
     {
-        int[] palette = getPalette(context);
+        StyledResources res = new StyledResources(context);
+        int[] palette = res.getPalette();
 
         for (int k = 0; k < palette.length; k++)
             if (palette[k] == color) return k;
@@ -79,7 +78,8 @@ public abstract class ColorUtils
         if (context == null)
             throw new IllegalArgumentException("Context is null");
 
-        int palette[] = getPalette(context);
+        StyledResources res = new StyledResources(context);
+        int palette[] = res.getPalette();
         if (paletteColor < 0 || paletteColor >= palette.length)
         {
             Log.w("ColorHelper",
@@ -91,15 +91,6 @@ public abstract class ColorUtils
         return palette[paletteColor];
     }
 
-    public static int[] getPalette(Context context)
-    {
-        int resourceId =
-            InterfaceUtils.getStyleResource(context, R.attr.palette);
-        if (resourceId < 0) throw new RuntimeException("resource not found");
-
-        return context.getResources().getIntArray(resourceId);
-    }
-
     public static int mixColors(int color1, int color2, float amount)
     {
         final byte ALPHA_CHANNEL = 24;

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

@@ -20,7 +20,6 @@
 package org.isoron.uhabits.utils;
 
 import android.content.*;
-import android.database.*;
 import android.support.annotation.*;
 
 import com.activeandroid.*;
@@ -51,23 +50,20 @@ public abstract class DatabaseUtils
     public static File getDatabaseFile()
     {
         Context context = HabitsApplication.getContext();
-        if (context == null)
-            throw new RuntimeException("No application context found");
-
         String databaseFilename = getDatabaseFilename();
+        String root = context.getFilesDir().getPath();
 
-        return new File(String.format("%s/../databases/%s",
+        String format = "%s/../databases/%s";
-            context.getApplicationContext().getFilesDir().getPath(),
+        String filename = String.format(format, root, databaseFilename);
-            databaseFilename));
+
+        return new File(filename);
     }
 
     @NonNull
     public static String getDatabaseFilename()
     {
         String databaseFilename = BuildConfig.databaseFilename;
-
         if (HabitsApplication.isTestMode()) databaseFilename = "test.db";
-
         return databaseFilename;
     }
 
@@ -75,9 +71,6 @@ public abstract class DatabaseUtils
     public static void initializeActiveAndroid()
     {
         Context context = HabitsApplication.getContext();
-        if (context == null) throw new RuntimeException(
-            "application context should not be null");
-
         Configuration dbConfig = new Configuration.Builder(context)
             .setDatabaseName(getDatabaseFilename())
             .setDatabaseVersion(BuildConfig.databaseVersion)
@@ -88,33 +81,16 @@ public abstract class DatabaseUtils
         ActiveAndroid.initialize(dbConfig);
     }
 
-    public static long longQuery(String query, String args[])
-    {
-        Cursor c = null;
-
-        try
-        {
-            c = Cache.openDatabase().rawQuery(query, args);
-            if (!c.moveToFirst()) return 0;
-            return c.getLong(0);
-        }
-        finally
-        {
-            if (c != null) c.close();
-        }
-    }
-
     @SuppressWarnings("ResultOfMethodCallIgnored")
     public static String saveDatabaseCopy(File dir) throws IOException
     {
-        File db = getDatabaseFile();
-
         SimpleDateFormat dateFormat = DateFormats.getBackupDateFormat();
         String date = dateFormat.format(DateUtils.getLocalTime());
-        File dbCopy = new File(
+        String format = "%s/Loop Habits Backup %s.db";
-            String.format("%s/Loop Habits Backup %s.db", dir.getAbsolutePath(),
+        String filename = String.format(format, dir.getAbsolutePath(), date);
-                date));
 
+        File db = getDatabaseFile();
+        File dbCopy = new File(filename);
         FileUtils.copy(db, dbCopy);
 
         return dbCopy.getAbsolutePath();

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

@@ -30,7 +30,6 @@ import static java.util.Calendar.*;
 
 public abstract class DateUtils
 {
-
     private static Long fixedLocalTime = null;
 
     /**

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

@@ -19,35 +19,33 @@
 
 package org.isoron.uhabits.utils;
 
-import android.app.Activity;
+import android.app.*;
-import android.content.Context;
+import android.content.*;
-import android.content.SharedPreferences;
+import android.content.res.*;
-import android.content.res.Resources;
+import android.graphics.*;
-import android.content.res.TypedArray;
+import android.preference.*;
-import android.graphics.Typeface;
+import android.util.*;
-import android.graphics.drawable.Drawable;
-import android.os.Build;
-import android.os.Debug;
-import android.os.Looper;
-import android.preference.PreferenceManager;
-import android.util.AttributeSet;
-import android.util.DisplayMetrics;
-import android.util.TypedValue;
 
-import org.isoron.uhabits.HabitsApplication;
+import org.isoron.uhabits.*;
-import org.isoron.uhabits.R;
 
-import java.util.Locale;
+import java.util.*;
 
 public abstract class InterfaceUtils
 {
-    public static final String ISORON_NAMESPACE = "http://isoron.org/android";
 
-    public static final int THEME_LIGHT = 0;
+    // TODO: Move this to another place, or detect automatically
+    private static String fullyTranslatedLanguages[] = {
+        "ca", "zh", "en", "de", "in", "it", "ko", "pl", "pt", "es", "tk", "uk",
+        "ja", "fr", "hr", "sl"
+    };
+
     public static final int THEME_DARK = 1;
 
+    public static final int THEME_LIGHT = 0;
+
+    public static Integer fixedTheme;
+
     private static Typeface fontAwesome;
-    private static Integer fixedTheme;
 
     public static void setFixedTheme(Integer fixedTheme)
     {
@@ -62,49 +60,6 @@ public abstract class InterfaceUtils
         return fontAwesome;
     }
 
-    public static String getAttribute(Context context, AttributeSet attrs, String name,
-                                      String defaultValue)
-    {
-        int resId = attrs.getAttributeResourceValue(ISORON_NAMESPACE, name, 0);
-        if (resId != 0) return context.getResources().getString(resId);
-
-        String value = attrs.getAttributeValue(ISORON_NAMESPACE, name);
-        if(value != null) return value;
-        else return defaultValue;
-    }
-
-    public static Integer getColorAttribute(Context context, AttributeSet attrs, String name,
-                                          Integer defaultValue)
-    {
-        int resId = attrs.getAttributeResourceValue(ISORON_NAMESPACE, name, 0);
-        if (resId != 0) return context.getResources().getColor(resId);
-        else return defaultValue;
-    }
-
-    public static int getIntAttribute(Context context, AttributeSet attrs, String name,
-                                      int defaultValue)
-    {
-        String number = getAttribute(context, attrs, name, null);
-        if(number != null) return Integer.parseInt(number);
-        else return defaultValue;
-    }
-
-    public static boolean getBooleanAttribute(Context context, AttributeSet attrs, String name,
-                                      boolean defaultValue)
-    {
-        String boolText = getAttribute(context, attrs, name, null);
-        if(boolText != null) return Boolean.parseBoolean(boolText);
-        else return defaultValue;
-    }
-
-    public static float getFloatAttribute(Context context, AttributeSet attrs, String name,
-                                          float defaultValue)
-    {
-        String number = getAttribute(context, attrs, name, null);
-        if(number != null) return Float.parseFloat(number);
-        else return defaultValue;
-    }
-
     public static float dpToPixels(Context context, float dp)
     {
         Resources resources = context.getResources();
@@ -119,45 +74,8 @@ public abstract class InterfaceUtils
         return TypedValue.applyDimension(TypedValue.COMPLEX_UNIT_SP, sp, metrics);
     }
 
-    /**
-     * Throws a runtime exception if called from the main thread. Useful to make sure that
-     * slow methods never accidentally slow the application down.
-     *
-     * @throws RuntimeException when run from main thread
-     */
-    public static void throwIfMainThread() throws RuntimeException
-    {
-        Looper looper = Looper.myLooper();
-        if(looper == null) return;
-
-        if(looper == Looper.getMainLooper())
-            throw new RuntimeException("This method should never be called from the main thread");
-    }
-
-    public static void startTracing()
-    {
-        if (Build.VERSION.SDK_INT < Build.VERSION_CODES.LOLLIPOP)
-        {
-            throw new UnsupportedOperationException();
-        }
-        else
-        {
-            Debug.startMethodTracingSampling("Android/data/org.isoron.uhabits/perf",
-                    32 * 1024 * 1024, 100);
-        }
-    }
-
-    public static void stopTracing()
-    {
-        Debug.stopMethodTracing();
-    }
-
     public static boolean isLocaleFullyTranslated()
     {
-        // TODO: Move this to another place, or detect automatically
-        String fullyTranslatedLanguages[] = { "ca", "zh", "en", "de", "in", "it", "ko", "pl", "pt",
-                "es", "tk", "uk", "ja", "fr", "hr", "sl"};
-
         final String currentLanguage = Locale.getDefault().getLanguage();
 
         for(String lang : fullyTranslatedLanguages)
@@ -166,65 +84,6 @@ public abstract class InterfaceUtils
         return false;
     }
 
-    public static float getScreenWidth(Context context)
-    {
-        return context.getResources().getDisplayMetrics().widthPixels;
-    }
-
-    public static int getStyledColor(Context context, int attrId)
-    {
-        TypedArray ta = getTypedArray(context, attrId);
-        int color = ta.getColor(0, 0);
-        ta.recycle();
-
-        return color;
-    }
-
-    private static TypedArray getTypedArray(Context context, int attrId)
-    {
-        int[] attrs = new int[]{ attrId };
-        if(fixedTheme != null)
-            return context.getTheme().obtainStyledAttributes(fixedTheme, attrs);
-        else
-            return context.obtainStyledAttributes(attrs);
-    }
-
-    public static Drawable getStyledDrawable(Context context, int attrId)
-    {
-        TypedArray ta = getTypedArray(context, attrId);
-        Drawable drawable = ta.getDrawable(0);
-        ta.recycle();
-
-        return drawable;
-    }
-
-    public static boolean getStyledBoolean(Context context, int attrId)
-    {
-        TypedArray ta = getTypedArray(context, attrId);
-        boolean bool = ta.getBoolean(0, false);
-        ta.recycle();
-
-        return bool;
-    }
-
-    public static float getStyledFloat(Context context, int attrId)
-    {
-        TypedArray ta = getTypedArray(context, attrId);
-        float f = ta.getFloat(0, 0);
-        ta.recycle();
-
-        return f;
-    }
-
-    static int getStyleResource(Context context, int attrId)
-    {
-        TypedArray ta = getTypedArray(context, attrId);
-        int resourceId = ta.getResourceId(0, -1);
-        ta.recycle();
-
-        return resourceId;
-    }
-
     public static void applyCurrentTheme(Activity activity)
     {
         switch(getCurrentTheme())
@@ -267,20 +126,4 @@ public abstract class InterfaceUtils
     {
         return getCurrentTheme() == THEME_DARK;
     }
-
-
-    public static void setDefaultScoreSpinnerPosition(Context context, int position)
-    {
-        SharedPreferences prefs = PreferenceManager.getDefaultSharedPreferences(context);
-        prefs.edit().putInt("pref_score_view_interval", position).apply();
-    }
-
-    public static int getDefaultScoreSpinnerPosition(Context context)
-    {
-        SharedPreferences prefs = PreferenceManager.getDefaultSharedPreferences(context);
-        int defaultScoreInterval = prefs.getInt("pref_score_view_interval", 1);
-        if(defaultScoreInterval > 5 || defaultScoreInterval < 0) defaultScoreInterval = 1;
-
-        return defaultScoreInterval;
-    }
 }

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

@@ -45,6 +45,19 @@ public class Preferences
         return prefs.getInt("pref_default_habit_palette_color", fallbackColor);
     }
 
+    public int getDefaultScoreSpinnerPosition()
+    {
+        int defaultScoreInterval = prefs.getInt("pref_score_view_interval", 1);
+        if (defaultScoreInterval > 5 || defaultScoreInterval < 0)
+            defaultScoreInterval = 1;
+        return defaultScoreInterval;
+    }
+
+    public void setDefaultScoreSpinnerPosition(int position)
+    {
+        prefs.edit().putInt("pref_score_view_interval", position).apply();
+    }
+
     /**
      * Returns the number of the last hint shown to the user.
      *
@@ -70,11 +83,21 @@ public class Preferences
         return prefs.getBoolean("pref_show_archived", false);
     }
 
+    public void setShowArchived(boolean showArchived)
+    {
+        prefs.edit().putBoolean("pref_show_archived", showArchived).apply();
+    }
+
     public boolean getShowCompleted()
     {
         return prefs.getBoolean("pref_show_completed", true);
     }
 
+    public void setShowCompleted(boolean showCompleted)
+    {
+        prefs.edit().putBoolean("pref_show_completed", showCompleted).apply();
+    }
+
     public void incrementLaunchCount()
     {
         int count = prefs.getInt("launch_count", 0);
@@ -119,16 +142,6 @@ public class Preferences
             .apply();
     }
 
-    public void setShowCompleted(boolean showCompleted)
-    {
-        prefs.edit().putBoolean("pref_show_completed", showCompleted).apply();
-    }
-
-    public void setShowArchived(boolean showArchived)
-    {
-        prefs.edit().putBoolean("pref_show_archived", showArchived).apply();
-    }
-
     public boolean shouldReverseCheckmarks()
     {
         return prefs.getBoolean("pref_checkmark_reverse_order", false);

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

@@ -0,0 +1,101 @@
+/*
+ * 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.content.*;
+import android.content.res.*;
+import android.graphics.drawable.*;
+import android.support.annotation.*;
+
+import org.isoron.uhabits.*;
+
+public class StyledResources
+{
+    private final Context context;
+
+    public StyledResources(@NonNull Context context)
+    {
+        this.context = context;
+    }
+
+    public boolean getBoolean(@AttrRes int attrId)
+    {
+        TypedArray ta = getTypedArray(attrId);
+        boolean bool = ta.getBoolean(0, false);
+        ta.recycle();
+
+        return bool;
+    }
+
+    public int getColor(@AttrRes int attrId)
+    {
+        TypedArray ta = getTypedArray(attrId);
+        int color = ta.getColor(0, 0);
+        ta.recycle();
+
+        return color;
+    }
+
+    public Drawable getDrawable(@AttrRes int attrId)
+    {
+        TypedArray ta = getTypedArray(attrId);
+        Drawable drawable = ta.getDrawable(0);
+        ta.recycle();
+
+        return drawable;
+    }
+
+    public float getFloat(@AttrRes int attrId)
+    {
+        TypedArray ta = getTypedArray(attrId);
+        float f = ta.getFloat(0, 0);
+        ta.recycle();
+
+        return f;
+    }
+
+    public int[] getPalette()
+    {
+        int resourceId = getStyleResource(R.attr.palette);
+        if (resourceId < 0) throw new RuntimeException("resource not found");
+
+        return context.getResources().getIntArray(resourceId);
+    }
+
+    int getStyleResource(@AttrRes int attrId)
+    {
+        TypedArray ta = getTypedArray(attrId);
+        int resourceId = ta.getResourceId(0, -1);
+        ta.recycle();
+
+        return resourceId;
+    }
+
+    private TypedArray getTypedArray(@AttrRes int attrId)
+    {
+        int[] attrs = new int[]{ attrId };
+
+        Integer fixedTheme = InterfaceUtils.fixedTheme;
+        if (fixedTheme != null)
+            return context.getTheme().obtainStyledAttributes(fixedTheme, attrs);
+
+        return context.obtainStyledAttributes(attrs);
+    }
+}

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

@@ -27,26 +27,28 @@ import android.widget.*;
 
 import org.isoron.uhabits.ui.widgets.*;
 
+import static android.appwidget.AppWidgetManager.*;
 import static android.os.Build.VERSION.*;
 import static android.os.Build.VERSION_CODES.*;
+import static org.isoron.uhabits.utils.InterfaceUtils.*;
 
 public abstract class WidgetUtils
 {
     @NonNull
     public static WidgetDimensions getDimensionsFromOptions(
-        @NonNull Context context, @NonNull Bundle options)
+        @NonNull Context ctx, @NonNull Bundle options)
     {
         if (SDK_INT < JELLY_BEAN)
             throw new AssertionError("method requires jelly-bean");
 
-        int maxWidth = (int) InterfaceUtils.dpToPixels(context,
+        int maxWidth =
-            options.getInt(AppWidgetManager.OPTION_APPWIDGET_MAX_WIDTH));
+            (int) dpToPixels(ctx, options.getInt(OPTION_APPWIDGET_MAX_WIDTH));
-        int maxHeight = (int) InterfaceUtils.dpToPixels(context,
+        int maxHeight =
-            options.getInt(AppWidgetManager.OPTION_APPWIDGET_MAX_HEIGHT));
+            (int) dpToPixels(ctx, options.getInt(OPTION_APPWIDGET_MAX_HEIGHT));
-        int minWidth = (int) InterfaceUtils.dpToPixels(context,
+        int minWidth =
-            options.getInt(AppWidgetManager.OPTION_APPWIDGET_MIN_WIDTH));
+            (int) dpToPixels(ctx, options.getInt(OPTION_APPWIDGET_MIN_WIDTH));
-        int minHeight = (int) InterfaceUtils.dpToPixels(context,
+        int minHeight =
-            options.getInt(AppWidgetManager.OPTION_APPWIDGET_MIN_HEIGHT));
+            (int) dpToPixels(ctx, options.getInt(OPTION_APPWIDGET_MIN_HEIGHT));
 
         return new WidgetDimensions(minWidth, maxHeight, maxWidth, minHeight);
     }

app/src/main/res/values/constants.xml

@@ -24,6 +24,8 @@
     <string name="bugReportURL" formatted="false">mailto:dev@loophabits.org?subject=Bug%20Report%20-%20Loop%20Habit%20Tracker</string>
     <string name="sourceCodeURL">https://github.com/iSoron/uhabits</string>
     <string name="translateURL">https://poeditor.com/join/project/8DWX5pfjS0</string>
+    <string name="bugReportTo">dev@loophabits.org</string>
+    <string name="bugReportSubject">Bug Report - Loop Habit Tracker</string>
 
     <string-array name="snooze_interval_names">
         <item>@string/interval_15_minutes</item>