App Widget mit custom StackView?

@Override
    public RemoteViews getViewAt(int position) {
        Log.d("SOME TAG", "getViewAt("+position+")");

        //RemoteViews erstellen, Texte setzem
        WidgetItem widgetItem = mWidgetItems.get(position);
        RemoteViews rv = new RemoteViews(mContext.getPackageName(), R.layout.widget_item);
        rv.setTextViewText(R.id.widget_item_task, widgetItem.task);
        rv.setTextViewText(R.id.widget_item_annotation, widgetItem.annotation);
        rv.setTextViewText(R.id.widget_item_priority, Integer.toString(widgetItem.priority));
       

        //hintergrundfarbe des RelativeLayouts setzen (je nach priorität des tasks)
        int colorId;
        int priority = widgetItem.priority;
        if (priority < 1) {
            colorId = R.color.white;
        } else if (priority < 4) {
            colorId = R.color.red;
        } else if (priority < 7) {
            colorId = R.color.yellow;
        } else {
            colorId = R.color.green;
        }
        int alphaMask = (position < 3) ? ALPHA_MASKS[position] : ALPHA_MASKS[ALPHA_MASKS.length-1];
        int colorCode = mContext.getResources().getColor(colorId);
        colorCode |= 0xff000000; //alpha-wert setzen
        colorCode &= alphaMask;
        rv.setInt(R.id.widget_item_layout, "setBackgroundColor", colorCode); //hintergrundfarbe setzen

        // Next, we set a fill-intent which will be used to fill-in the pending intent template
        // which is set on the collection view in StackWidgetProvider.
        Intent fillInIntent = new Intent();
        fillInIntent.putExtra(StackWidgetProvider.EXTRA_ITEM, this.getItemId(position));
        rv.setOnClickFillInIntent(R.id.widget_item_layout, fillInIntent);
        return rv;
    }