multiple screen support in android

Question

I am working on a project and i have tested it on nexus one. its working there properly but I want that my project should be compatible with all screen sizes. How to do this

Answer 1

All the answers above are great in there own means.Many times we're in scenario where our nested LinearLayout within RelativeLayout is hard to fit all the screens considering some complex layout line Tile

The above scenario can be solved by android's percent support library fitting all the screens.

Demo HERE

GitHub Project HERE

Hope anyone find it useful :-).