I have used Open Finish Activity using intent here :
Intent i = new Intent(yourScreen.this,Finish.class);
i.setFlags(Intent.FLAG_ACTIVITY_CLEAR_TOP);
startActivity(i);
Then I have used.
public class Finish extends AppCompatActivity {
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
System.runFinalizersOnExit(true); // 1)Option
System.exit(0); // 2)Option
finish(); // 3)Option
android.os.Process.killProcess(android.os.Process.myPid()); //4)last
}}
I have try all options
here my Application gone in background. when i click my hardware apps menu button then its appear in list.