通过蓝牙设备发送数据到平板电脑的错误

我正面临以下问题：我通过蓝牙接口，一个平板android和一个蓝牙设备（如阅读器条形码）连接两个设备，直到现在没问题，问题是，当通过蓝牙设备读取条形码并将其发送到平板电脑时，条形码有时以两部分发送，例如，如果我读取内容为“212154521212”的条形码，则该平板电脑收到“2121”，在“ 54521212“，任何人都知道告诉我该怎么做才能避免这种情况？通过蓝牙设备发送数据到平板电脑的错误

谢谢先进。

我的代码从蓝牙设备中读取的数据：

[代码] 私有类ConnectedThread扩展Thread {

private final InputStream mmInStream; 
    private BluetoothSocket socket; 

    public ConnectedThread(BluetoothSocket socket) { 
     this.socket = socket; 

     InputStream tmpIn = null; 

     try { 

      tmpIn = socket.getInputStream(); 

     } catch (IOException e) { 
      new LogDeErrosRodesTablet(e); 
      Log.e(TAG, e.getMessage()); 
      Log.e(TAG, "Erro no construtor da classe ConnectedThread."); 

     } 

     mmInStream = tmpIn; 
    } 

    public void run() {  
     // continua lendo o inputstream até ocorrer um erro 

     while (true) { 

      int read = 0; 
      byte[] buffer = new byte[128]; 

      do { 

       try { 

        read = mmInStream.read(buffer); 
        Log.e(TAG, "read: " + read); 
        final String data = new String(buffer, 0, read); 
        Log.e(TAG, "data: " + data); 

        //TODO 
        //send data only (bar code) only after read all 
        Bundle bundle = new Bundle(); 
        bundle.putString(TelaInserirPedido.CODIGO_BARRAS, data); 
        Message message = new Message(); 
        message.what = TelaInserirPedido.MSG_COD_BARRAS; 
        message.setData(bundle); 

        //Send a message with data 
        handler.sendMessage(message); 

       } catch(Exception ex) { 
        read = -1; 
        return; 
       } 

       Log.e(TAG, "inside while."); 

      } while (read > 0); 

      Log.e(TAG, "outside of while."); 
     } 

    } 

    public void cancel() { 
     try { 
      socket.close(); 
     } catch (IOException e) { } 
    } 

}

[/代码]

来源

2012-12-13 Levi Mendes