onResume method

void onResume ()
inherited

Callback for resuming probe

Implementation

void onResume() {
  super.onResume();
  // create a recurrent timer that resumes sampling every [frequency].
  timer = Timer.periodic(frequency, (Timer t) async {
    try {
      getDatum().then((Datum data) {
        if (data != null) controller.add(data);
      });
    } catch (e, s) {
      controller.addError(e, s);
    }
  });
}