fix:修复 android 蓝牙不稳定的情况

lib/blue/blue_manage.dart

@@ -110,7 +110,7 @@ class BlueManage {
     _connectionStateSubscription = bluetoothConnectDevice!.connectionState
         .listen((BluetoothConnectionState state) async {
       bluetoothConnectionState = state;
-      // AppLog.log("蓝牙连接状态:$state");
+      AppLog.log('蓝牙连接回调状态:$state');
     });
   }
 
@@ -386,13 +386,33 @@ class BlueManage {
       EasyLoading.showToast('该锁已被重置'.tr, duration: 2000.milliseconds);
       return;
     }
+    //尝试连接设备
+    await bluetoothDeviceConnect(bluetoothConnectDevice!, connectStateCallBack);
+  }
 
+  //直接给蓝牙设备写入
+  Future<void> doNotSearchBLE(
+      String masAdds, ConnectStateCallBack connectStateCallBack) async {
+    await FlutterBluePlus.stopScan();
+    if (bluetoothConnectDevice == null ||
+        bluetoothConnectDevice?.remoteId.str != masAdds) {
+      bluetoothConnectDevice = BluetoothDevice.fromId(masAdds);
+      _initGetMtuSubscription();
+      _initListenConnectionState();
+    }
+    //尝试连接设备
+    await bluetoothDeviceConnect(bluetoothConnectDevice!, connectStateCallBack);
+  }
+
+  //设备连接
+  Future<void> bluetoothDeviceConnect(BluetoothDevice bluetoothConnectDevice,
+      ConnectStateCallBack connectStateCallBack) async {
     // 重连三次
     const int maxAttempts = 3;
     int attempt = 0;
     while (attempt < maxAttempts) {
       try {
-        await bluetoothConnectDevice!.connect(timeout: 5.seconds);
+        await bluetoothConnectDevice.connect(timeout: 5.seconds);
         break; // If the connection is successful, break the loop
       } catch (e) {
         AppLog.log('连接失败 重连了: $e');
@@ -437,52 +457,6 @@ class BlueManage {
     }
   }
 
-  //直接给蓝牙设备写入
-  Future<void> doNotSearchBLE(
-      String masAdds, ConnectStateCallBack connectStateCallBack) async {
-    await FlutterBluePlus.stopScan();
-    final BluetoothDevice device = BluetoothDevice.fromId(masAdds);
-    // 重连三次
-    const int maxAttempts = 3;
-    bool connected = false;
-    int attempt = 0;
-    while (attempt < maxAttempts && !connected) {
-      try {
-        await device.connect();
-        connected = true;
-      } catch (e, s) {
-        AppLog.log('连接失败 重连了: ${e.toString()}  ${s.toString()}');
-        attempt++; // Increase the attempt count
-        if (attempt < maxAttempts) {
-          AppLog.log('重新尝试连接...');
-        }
-      }
-    }
-
-    if (!connected) {
-      connectStateCallBack(BluetoothConnectionState.disconnected);
-      return;
-    }
-
-    bluetoothConnectDevice = device;
-    bluetoothConnectionState = BluetoothConnectionState.connected;
-    final List<BluetoothService> services =
-        await bluetoothConnectDevice!.discoverServices();
-    for (final BluetoothService service in services) {
-      if (service.uuid == _serviceIdConnect) {
-        for (final BluetoothCharacteristic characteristic
-            in service.characteristics) {
-          if (characteristic.characteristicUuid ==
-              _characteristicIdSubscription) {
-            _subScribeToCharacteristic(characteristic);
-          }
-        }
-      }
-    }
-    connectStateCallBack(BluetoothConnectionState.connected);
-    // writeCharacteristicWithResponse(value);
-  }
-
   Future<void> _subScribeToCharacteristic(
       BluetoothCharacteristic characteristic) async {
     final StreamSubscription<List<int>> subscription =