Android Widgets: Animations On Remoteviews ?

I'm not having too much success applying animations to views inside a RemoteViews. For the sake of simplicity, let's say I have a widget with an ImageView and a Button. When click

Solution 1:

1. Create custom animation.
2. Create ProgressBar and set in android:indeterminateDrawable your animation.
3. Add ProgressBar to your widget layout and make it visible(invisible)