Untitled

Handling asynchronous task completion when Activity is in or out of focus
public class MyActivity {
    private boolean displayAlertOnStart = false;

    protected void onStart(){
        super.onStart();
        if (displayAlertOnStart){
            displayAlert();
            displayAlertOnStart = false;
        }
    }


    private void handleTaskCallback() {
        if (activityIsOnTop()) //How do I get this???
           displayAlert();
        else
           displayAlertOnStart = true;
    }

public class MyActivity {
    private boolean displayAlertOnStart = false;
    private boolean activityInAStartedState = false;

    protected void onStart(){
        super.onStart();
        activityInAStartedState = true;

        if (displayAlertOnStart){
            displayAlert();
            displayAlertOnStart = false;
        }
    }

    public void onStop(){
       super.onStop();
       activityInAStartedState = false;
    }


    private void handleTaskCallback() {
        if (activityInAStartedState)
           displayAlert();
        else
           displayAlertOnStart = true;
      }
}