Fix default theme color

app/src/main/java/org/tasks/injection/ActivityModule.java

@@ -43,7 +43,7 @@ public class ActivityModule {
   @Provides
   @ActivityScope
   public ThemeColor getThemeColor(ColorProvider colorProvider, Preferences preferences) {
-    return colorProvider.getThemeColor(preferences.getInt(R.string.p_theme_color, 0), true);
+    return colorProvider.getThemeColor(preferences.getDefaultThemeColor(), true);
   }
 
   @Provides

app/src/main/java/org/tasks/preferences/Preferences.java

@@ -38,6 +38,7 @@ import org.tasks.BuildConfig;
 import org.tasks.R;
 import org.tasks.billing.Purchase;
 import org.tasks.data.TaskAttachment;
+import org.tasks.themes.ColorProvider;
 import org.tasks.themes.ThemeBase;
 import org.tasks.time.DateTime;
 import timber.log.Timber;
@@ -546,4 +547,8 @@ public class Preferences {
   public void setAlreadyNotified(String account, String scope, boolean value) {
     setBoolean(context.getString(R.string.p_notified_oauth_error, account, scope), value);
   }
+
+  public int getDefaultThemeColor() {
+    return getInt(R.string.p_theme_color, ColorProvider.BLUE);
+  }
 }

app/src/main/java/org/tasks/preferences/fragments/LookAndFeel.kt

@@ -311,7 +311,7 @@ class LookAndFeel : InjectingPreferenceFragment(), Preference.OnPreferenceChange
                     themeColor.primaryColor
                 )
                     ?: themeColor.primaryColor
-                if (preferences.getInt(R.string.p_theme_color, -1) != color) {
+                if (preferences.defaultThemeColor != color) {
                     preferences.setInt(R.string.p_theme_color, color)
                     recreate()
                 }

app/src/main/java/org/tasks/themes/ColorProvider.kt

@@ -11,9 +11,9 @@ import javax.inject.Inject
 class ColorProvider @Inject constructor(@ForActivity private val context: Context, preferences: Preferences) {
 
     companion object {
+        const val BLUE = -14575885
         private const val RED = -769226
         private const val AMBER = -16121
-        private const val BLUE = -14575885
         private const val GREY = -6381922
         private const val WHITE = -1
         private const val BLACK = -16777216