Overlay Image in Android

How to overlay two images like the one in iphone notification icon or new launcher pro notification? I want to add new image on top right of an imageview to show notification

Here is the example of launcher pro notification and tw开发者_高级运维eetcaster checked button (with facebook icon on topright)

http://londatiga.net/images/overlayimg.png

For that you can use Framelayout.

http://developer.android.com/resources/articles/layout-tricks-merge.html

thanks