How to exit when back button is pressed?

Question

When a user presses the back button on an intent, the application should quit. How can I ensure the application quits when the back button is pressed?

Answer 1

finish your current_activity using method finish() onBack method of your current_activity

and then add below lines in onDestroy of the current_activity for Removing Force close

@Override
public void onDestroy()
{
    android.os.Process.killProcess(android.os.Process.myPid());
    super.onDestroy();
}