start method

Future<void> start(
  1. BuildContext context
)

Bắt đầu monitor tốc độ

Implementation

Future<void> start(BuildContext context) async {
  if (_isRunning) return;

  _isRunning = true;
  _isPaused = false;
  // _overlayContext = context;

  // Load persisted position
  await _loadPosition();

  _showOverlay(context);
  _startMonitoring();
  notifyListeners();
}