Add a shadow to the Gallery items in Android?

Question

In my app, i have a gallery of imageView, how can i add a shadow effect for each item, thanks in advance, example

Answer 1

You need to create a background image and play around with 9-patch.

the background will contain the shadows. If you need more info about the 9-patch :

http://developer.android.com/guide/developing/tools/draw9patch.html