This sample shows how to construct a simple collection widget. This particular example shows how to create a widget containing a `StackView` ; however, only minimal changes are required to include a `ListView`, `GridView` or `AdapterViewFlipper` instead.

The sample demonstrates the following:

- The pattern for creating and wiring a `RemoteViewsService` and `RemoteViewsFactory` which serve the function of an adapter for the widget collection.
- The pattern for setting an intent template and fill-in intents in order to provide children of the collection with click behaviour.
- How to make a widget with a `StackView` (or `AdapterViewFlipper`) auto-advance.
- How to set a widget preview image.