public class MainActivity extends AppCompatActivity
{
  private static boolean callMethod=true;
  @Override
    protected void onResume() {
        super.onResume();
        if(callMethod)
           doSomething();
    }
    @Override
    protected void onPause() {
        super.onPause();
        callMethod=true;
    }

private void doSomething()
{
    Log.i(“doSomething()”,”Did something.”);
}
    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
       setContentView(R.layout.activity_main);
        if(callMethod)
          doSomething();
    }

}