socket.connect仅在Nexus上的Android 4.2.1上导致“读取失败的套接字可能已关闭”

Question

我正在使用这段正常的代码打开/连接蓝牙插座。虽然它在所有设备上都能完美运行 - 只有最新的Nexus和Android 4.2.1才会出现这种IOException：“读取失败的套接字可能会关闭”。

我尝试重新配对设备，检查了UUID，一切都很好。如上所述，完全相同的代码适用于所有其他设备。目前我没有想到的其他地方......

私有类ConnectBluetoothThread扩展Thread {     私人最终BluetoothSocket mmSocket;     私人最终的BluetoothDevice mmDevice;

public ConnectBluetoothThread(BluetoothDevice device) {
    mmDevice = device;
    BluetoothSocket tmp = null;
    try {
        tmp = mmDevice
            .createInsecureRfcommSocketToServiceRecord(MY_UUID);
    } catch (IOException e) {
    ...other code
    }

    mmSocket = tmp;
}

public void run() {
    mBluetoothAdapter.cancelDiscovery();

    // Make a connection to the BluetoothSocket
    try {
        mmSocket.connect();  // <=== this is where the IOException is beeing raised!!!!
    } catch (IOException e) {
    Log.e(this.getClass().getSimpleName(),
        " -> FAILED:", e);
    connectionFailed(e);

    // Close the socket
    try {
        mmSocket.close();
    } catch (IOException e2) {
    }

    return;
    }

    // Reset the ConnectThread because we're done
    synchronized (InterBT.this) {
    mConnectBluetoothThread = null;
    }

    // Start the connected thread
    connected(mmSocket, mmDevice);
}