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I want to know how to exit an app when user press the Home Button.
As far as i know that Home Button moves the running app in background and puts Launcher process in front.
I know i can use finish() but i don’t know where i should call it because i have no idea which function is going to get a call when user will press the Home Key.
Thanks.
Depending on what you want to do, overriding
onUserLeaveHintmight be the best bet:http://developer.android.com/reference/android/app/Activity.html#onUserLeaveHint()
This will let your app know that your app is being exited because the user chose to switch apps (Like by hitting the Home button or selecting a notification). This hint function will not be called if an incoming phone call (or similar) is causing your app to go to the background, as the user didn’t initiate that action.