StackWidget: Avoid storing RemoteViews reference

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

@@ -88,8 +88,26 @@ internal class StackRemoteViewsFactory(private val context: Context, intent: Int
     }
 
     override fun getViewAt(position: Int): RemoteViews? {
-        Log.i("StackRemoteViewsFactory", "getViewAt $position")
+        Log.i("StackRemoteViewsFactory", "getViewAt $position started")
-        return if (0 <= position && position < remoteViews.size) remoteViews[position] else null
+        if (position < 0 || position >= remoteViews.size) return null
+        val app = context.applicationContext as HabitsApplication
+        val prefs = app.component.preferences
+        val habitList = app.component.habitList
+        val options = AppWidgetManager.getInstance(context).getAppWidgetOptions(widgetId)
+        if (Looper.myLooper() == null) Looper.prepare()
+        val habits = habitIds.map { habitList.getById(it) ?: throw HabitNotFoundException() }
+        val h = habits[position]
+        val widget = constructWidget(h, prefs)
+        widget.setDimensions(getDimensionsFromOptions(context, options))
+        val landscapeViews = widget.landscapeRemoteViews
+        val portraitViews = widget.portraitRemoteViews
+        val factory = PendingIntentFactory(context, IntentFactory())
+        val intent = StackWidgetType.getIntentFillIn(factory, widgetType, h, habits, getToday())
+        landscapeViews.setOnClickFillInIntent(R.id.button, intent)
+        portraitViews.setOnClickFillInIntent(R.id.button, intent)
+        val remoteViews = RemoteViews(landscapeViews, portraitViews)
+        Log.i("StackRemoteViewsFactory", "getViewAt $position ended")
+        return remoteViews
     }
 
     private fun constructWidget(
@@ -134,28 +152,6 @@ internal class StackRemoteViewsFactory(private val context: Context, intent: Int
     }
 
     override fun onDataSetChanged() {
-        Log.i("StackRemoteViewsFactory", "onDataSetChanged started")
-        val app = context.applicationContext as HabitsApplication
-        val prefs = app.component.preferences
-        val habitList = app.component.habitList
-        val options = AppWidgetManager.getInstance(context).getAppWidgetOptions(widgetId)
-        val newRemoteViews = ArrayList<RemoteViews>()
-        if (Looper.myLooper() == null) Looper.prepare()
-        val habits = habitIds.map { habitList.getById(it) ?: throw HabitNotFoundException() }
-        for (h in habits) {
-            val widget = constructWidget(h, prefs)
-            widget.setDimensions(getDimensionsFromOptions(context, options))
-            val landscapeViews = widget.landscapeRemoteViews
-            val portraitViews = widget.portraitRemoteViews
-            val factory = PendingIntentFactory(context, IntentFactory())
-            val intent = StackWidgetType.getIntentFillIn(factory, widgetType, h, habits, getToday())
-            landscapeViews.setOnClickFillInIntent(R.id.button, intent)
-            portraitViews.setOnClickFillInIntent(R.id.button, intent)
-            newRemoteViews.add(RemoteViews(landscapeViews, portraitViews))
-            Log.i("StackRemoteViewsFactory", "onDataSetChanged constructed widget ${h.id}")
-        }
-        remoteViews = newRemoteViews
-        Log.i("StackRemoteViewsFactory", "onDataSetChanged ended")
     }
 
     init {