FlutterFlow是否支持蓝牙？求适配atmega128与HC-06的自定义组件

HC-06属于经典蓝牙（BR/EDR）模块，Android原生蓝牙API完全支持与它通信，无需依赖第三方组件，你可以自行封装一个自定义蓝牙工具类，核心实现思路如下：

• 基础权限与配置
  在AndroidManifest.xml中添加必要的蓝牙权限：

  <uses-permission android:name="android.permission.BLUETOOTH" />
  <uses-permission android:name="android.permission.BLUETOOTH_ADMIN" />
  <uses-permission android:name="android.permission.ACCESS_FINE_LOCATION" /> <!-- Android 6.0+ 扫描设备需要 -->
  <!-- Android 12+ 额外权限 -->
  <uses-permission android:name="android.permission.BLUETOOTH_SCAN" android:usesPermissionFlags="neverForLocation" />
  <uses-permission android:name="android.permission.BLUETOOTH_CONNECT" />
  

• 自定义蓝牙串口管理类封装
  可以把扫描、连接、数据读写逻辑封装成单例类BluetoothSerialManager，对外暴露简洁的调用方法，核心代码示例：

  public class BluetoothSerialManager {
      private BluetoothSocket mSocket;
      private InputStream mInStream;
      private OutputStream mOutStream;
      private DataReceivedListener mListener;
  
      public interface DataReceivedListener {
          void onDataReceived(byte[] data);
          void onConnectionStateChanged(boolean isConnected);
      }
  
      // 连接HC-06设备
      public void connect(BluetoothDevice device) throws IOException {
          // HC-06默认使用SPP服务UUID
          UUID sppUuid = UUID.fromString("00001101-0000-1000-8000-00805F9B34FB");
          mSocket = device.createRfcommSocketToServiceRecord(sppUuid);
          mSocket.connect();
          mInStream = mSocket.getInputStream();
          mOutStream = mSocket.getOutputStream();
          startDataReadThread();
          if (mListener != null) mListener.onConnectionStateChanged(true);
      }
  
      // 后台线程读取串口数据
      private void startDataReadThread() {
          new Thread(() -> {
              byte[] buffer = new byte[1024];
              int readBytes;
              try {
                  while ((readBytes = mInStream.read(buffer)) > 0) {
                      byte[] receivedData = Arrays.copyOf(buffer, readBytes);
                      if (mListener != null) mListener.onDataReceived(receivedData);
                  }
              } catch (IOException e) {
                  disconnect();
              }
          }).start();
      }
  
      // 发送数据到atmega128
      public void sendData(byte[] data) throws IOException {
          if (mOutStream != null) {
              mOutStream.write(data);
              mOutStream.flush();
          }
      }
  
      // 断开连接
      public void disconnect() {
          try {
              if (mInStream != null) mInStream.close();
              if (mOutStream != null) mOutStream.close();
              if (mSocket != null) mSocket.close();
          } catch (IOException e) {
              e.printStackTrace();
          }
          if (mListener != null) mListener.onConnectionStateChanged(false);
      }
  
      public void setDataReceivedListener(DataReceivedListener listener) {
          mListener = listener;
      }
  }
  

• 关键注意事项

  • 确保HC-06的波特率、校验位等参数与atmega128的串口配置完全一致（HC-06默认波特率为9600）
  • 所有蓝牙操作（扫描、连接、读写）都要在子线程中执行，避免阻塞UI线程
  • 连接前需确认蓝牙已开启，可通过BluetoothAdapter.isEnabled()判断，未开启时可通过系统Intent请求开启

内容的提问来源于stack exchange，提问作者nunanunna