start method

void start()

Implementation

void start() async {
  if (!_started) {
    _started = true;

    WidgetsBinding.instance.addTimingsCallback((List<FrameTiming> timings) {
      if (_fpsCallbacks.isNotEmpty) {
        List<FpsInfo> fps = timings.map<FpsInfo>((timing) => FpsInfo(timing)).toList();
        for (var callback in _fpsCallbacks) {
          callback(fps);
        }
      }
    });
  }
}