flutter蓝牙开发获取服务等

最新推荐文章于 2025-11-24 14:35:34 发布

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最新推荐文章于 2025-11-24 14:35:34 发布 · 302 阅读

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#flutter #android #ios

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class WriteNotifyDeviceUtils {
   
   
  /// modelId，device，characteristicWrite，characteristicNotify  && get.to
  static void writeNotifyDeviceUtils(
      GlobalWiFiBluetooth globalWiFiBluetooth, BluetoothDevice device,
      {
   
   Function? callback, Function? getThen}) async {
   
   
    SharedPreferences preferences = await SharedPreferences.getInstance();
    // bool isFirstGetIn = preferences.getBool("genkinno_wifi_setting") ?? false;
    if (device != globalWiFiBluetooth.device) {
   
   
      globalWiFiBluetooth.blueDeviceVoid(device);
    }
    if (globalWiFiBluetooth.modelId != "" && globalWiFiBluetooth.productType.value != "") {
   
   
      List<BluetoothService> services = [];
      try {
   
   
        if (globalWiFiBluetooth.device!.isDisconnected) {
   
   
          await globalWiFiBluetooth.device!
              .connect(timeout: const Duration(milliseconds: 2500));
        }
        services = await globalWiFiBluetooth.device!.discoverServices();
      } catch (e) {
   
   
        //
      }
      if (services.isEmpty) {
   
   
        if (globalWiFiBluetooth.device!.isConnected) {
   
   
          await globalWiFiBluetooth.device!.disconnect();