public void AppExit()
{
this.finish();
Intent intent = new Intent(Intent.ACTION_MAIN);
intent.addCategory(Intent.CATEGORY_HOME);
intent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
startActivity(intent);
/*int pid = android.os.Process.myPid();=====> use this if you want to kill your activity. But its not a good one to do.
android.os.Process.killProcess(pid);*/
}
call this method where you click exit button
