week 5

week 5 android
Revert "week 5"

This reverts commit d7fe786234f100d7eb281a95c432d493476b7150.
Revert "Revert "week 5""

This reverts commit e3769194b81a7a284c77dde593ff3bbb38aec139.
Merge branch 'master' of https://github.com/saicharanp/Programming_Androd_For_Handheld_Systems