Listener for ViewFlipper widget flipping events

android viewflipper
Shane Oliver picture Shane Oliver · Sep 28, 2010 · Viewed 18.3k times · Source

I have a ViewFlipper implementation that needs to be improved. This ViewFlipper has three child views. Basically, I want an indicator on which child view is currently active. My ViewFlipper is just a part of a complex layout which also has list views, etc.

Switching of views is also automatic and done in a specified interval.

From Android's SDK reference, I haven't seen any listener for when the ViewFlipper changes the child view.

Do you guys know of a way I can have a listener for that event?

Or are there alternative ways I can implement this feature besides using ViewFlipper ?

Thanks!

Answer

Konstantin Burov picture Konstantin Burov · Sep 28, 2010

If you apply animation (out or in animation) on view switching, you can set listener to an animation and, for example, act on animation end.

   viewFlipper.getInAnimation().setAnimationListener(new Animation.AnimationListener() {
      public void onAnimationStart(Animation animation) {}
      public void onAnimationRepeat(Animation animation) {}
      public void onAnimationEnd(Animation animation) {}
   });

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