startBluetoothScan method

@override Future<bool> startBluetoothScan()

iOS: bắt đầu scan BLE — devices stream qua bluetoothScanStream Android: no-op (Android tự scan)

Implementation

@override
Future<bool> startBluetoothScan() async {
  return await _channel.invokeMethod(PrinterMethod.scanBt.value) ?? false;
}