Cancelling an AsyncTask in onDestroy

OC-AsyncTaskCancelActivity.java

private static final String STATE_TASK_RUNNING = "taskRunning";

private MyTask mTask;

@Override
protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    
    setContentView(...);
    
    // Setup views
    ...
    
    // Check if the task was running so we can restart it
    if (savedInstanceState != null) {
        if (savedInstanceState.getBoolean(STATE_TASK_RUNNING, false)) {
            mTask = new MyTask();
            mTask.execute(...);
        }
    }
}

/**
 * Suppose this was a click handler for something
 */
public void startTaskClicked(View view) {
    // We can start the task now
    mTask = new MyTask();
    mTask.execute(...);
}

private boolean isTaskRunning() {
    return (mTask != null) && (mTask.getStatus() == AsyncTask.Status.RUNNING);
}

@Override
protected void onSaveInstanceState(Bundle outState) {
    super.onSaveInstanceState(outState);
    
    // If the task is running, save it in our state
    if (isTaskRunning()) {
        outState.putBoolean(STATE_TASK_RUNNING, true);
    }
}

@Override
protected void onDestroy() {
    super.onDestroy();
    
    // Cancel the task if it's running
    if (isTaskRunning()) {
        mTask.cancel(true);
    }
}

private class MyTask extends AsyncTask<...> {
    ...
}