How to draw a view on top of everything?

Question

I want to make an app that can create notification on the screen on top of anything that is currently being displayed. Something like the Go SMS message popup or something l

Answer 1

You could have the parent of your whole layout as RelativeLayout. The first child being the "root" of your main layout. Anything after that can be considered an overlay which is placeable to your whims.

Example:

  
    ... Main Layout here ...