scan static method

Future<List<BlueDevice>> scan()

Provide list of bluetooth device, return as list of BlueDevice

Implementation

static Future<List<BlueDevice>> scan() async {
  List<BlueDevice> devices = <BlueDevice>[];
  if (Platform.isAndroid) {
    final blue_thermal.BlueThermalPrinter bluetoothAndroid =
        blue_thermal.BlueThermalPrinter.instance;
    final List<blue_thermal.BluetoothDevice> resultDevices =
        await bluetoothAndroid.getBondedDevices();
    devices = resultDevices
        .map(
          (blue_thermal.BluetoothDevice bluetoothDevice) => BlueDevice(
            name: bluetoothDevice.name ?? '',
            address: bluetoothDevice.address ?? '',
            type: bluetoothDevice.type,
          ),
        )
        .toList();
  } else if (Platform.isIOS) {
    final flutter_blue.FlutterBlue bluetoothIOS =
        flutter_blue.FlutterBlue.instance;
    final List<flutter_blue.BluetoothDevice> resultDevices =
        <flutter_blue.BluetoothDevice>[];

    await bluetoothIOS.startScan(
      timeout: const Duration(seconds: 5),
    );
    bluetoothIOS.scanResults
        .listen((List<flutter_blue.ScanResult> scanResults) {
      for (final flutter_blue.ScanResult scanResult in scanResults) {
        resultDevices.add(scanResult.device);
      }
    });

    await bluetoothIOS.stopScan();
    devices = resultDevices
        .toSet()
        .toList()
        .map(
          (flutter_blue.BluetoothDevice bluetoothDevice) => BlueDevice(
            address: bluetoothDevice.id.id,
            name: bluetoothDevice.name,
            type: bluetoothDevice.type.index,
          ),
        )
        .toList();
  }
  return devices;
}