Widgets: Show shadow if widget is completely opaque

android/uhabits-android/src/main/java/org/isoron/uhabits/widgets/BaseWidgetProvider.java

@@ -81,6 +81,7 @@ public abstract class BaseWidgetProvider extends AppWidgetProvider
             if (manager == null) throw new RuntimeException("manager is null");
             if (options == null) throw new RuntimeException("options is null");
             updateDependencies(context);
+
             context.setTheme(R.style.WidgetTheme);
 
             BaseWidget widget = getWidgetFromId(context, widgetId);

android/uhabits-android/src/main/java/org/isoron/uhabits/widgets/FrequencyWidget.kt

@@ -40,6 +40,7 @@ class FrequencyWidget(
         val widgetView = v as GraphWidgetView
         widgetView.setTitle(habit.name)
         widgetView.setBackgroundAlpha(preferedBackgroundAlpha)
+        if (preferedBackgroundAlpha >= 255) widgetView.setShadowAlpha(0x4f)
         (widgetView.dataView as FrequencyChart).apply {
             setFirstWeekday(firstWeekday)
             setColor(PaletteUtils.getColor(context, habit.color))

android/uhabits-android/src/main/java/org/isoron/uhabits/widgets/HistoryWidget.kt

@@ -41,6 +41,7 @@ class HistoryWidget(
     override fun refreshData(view: View) {
         val widgetView = view as GraphWidgetView
         widgetView.setBackgroundAlpha(preferedBackgroundAlpha)
+        if (preferedBackgroundAlpha >= 255) widgetView.setShadowAlpha(0x4f)
         (widgetView.dataView as HistoryChart).apply {
             setFirstWeekday(firstWeekday)
             setColor(PaletteUtils.getColor(context, habit.color))

android/uhabits-android/src/main/java/org/isoron/uhabits/widgets/ScoreWidget.kt

@@ -46,6 +46,7 @@ class ScoreWidget(
 
         val widgetView = view as GraphWidgetView
         widgetView.setBackgroundAlpha(preferedBackgroundAlpha)
+        if (preferedBackgroundAlpha >= 255) widgetView.setShadowAlpha(0x4f)
         (widgetView.dataView as ScoreChart).apply {
             setIsTransparencyEnabled(true)
             setBucketSize(size)

android/uhabits-android/src/main/java/org/isoron/uhabits/widgets/StreakWidget.kt

@@ -40,6 +40,7 @@ class StreakWidget(
     override fun refreshData(view: View) {
         val widgetView = view as GraphWidgetView
         widgetView.setBackgroundAlpha(preferedBackgroundAlpha)
+        if (preferedBackgroundAlpha >= 255) widgetView.setShadowAlpha(0x4f)
         (widgetView.dataView as StreakChart).apply {
             setColor(PaletteUtils.getColor(context, habit.color))
             setStreaks(habit.streaks.getBest(maxStreakCount))

android/uhabits-android/src/main/java/org/isoron/uhabits/widgets/TargetWidget.kt

@@ -40,6 +40,7 @@ class TargetWidget(
     override fun refreshData(view: View) {
         val widgetView = view as GraphWidgetView
         widgetView.setBackgroundAlpha(preferedBackgroundAlpha)
+        if (preferedBackgroundAlpha >= 255) widgetView.setShadowAlpha(0x4f)
         val chart = (widgetView.dataView as TargetChart)
         with(TargetCard.RefreshTask(context, habit, prefs.firstWeekday, chart, null)) {
             onPreExecute()