quick exit

how to quick exit your app

In android os,there is a way to let you 'exit' your application.
you can new a thread,in the thread cateat Intent to go to homeApp. and then destroy your app in back. note you need use a static object to keep your app state (whether your app has exited the system ). if your app is still runing and you click the app's icon, then you can finish your activity.