#onback

///==================================================== private static final int TIME_INTERVAL = 2000; // # milliseconds, desired private long mBackPressed;

// When user click bakpress button this method is called @Override public void onBackPressed() { // When user press back button if (mBackPressed + TIME_INTERVAL > System.currentTimeMillis()) { Intent intent = new Intent(Intent.ACTION_MAIN); intent.addCategory(Intent.CATEGORY_HOME); intent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK); startActivity(intent);

} else {

Toast.makeText(getBaseContext(), "Press again to exit", Toast.LENGTH_SHORT).show(); }

mBackPressed = System.currentTimeMillis();