Android 蓝牙 ConnectThread 示例错误？

Question

为什么 Eclipse 开发环境抱怨 private 修饰符在 android Bluetooth Connecting as 中无效客户端ConnectThread示例？私人班级可以有公共成员吗？错误消息是：

类的非法修饰符 连接线程；只有公开的、抽象的、 和final 是允许的。

private class ConnectThread extends Thread {
    private final BluetoothSocket mmSocket;
    private final BluetoothDevice mmDevice;

    public ConnectThread(BluetoothDevice device) {
        BluetoothSocket tmp = null;
        mmDevice = device;
        try {
            tmp = device.createRfcommSocketToServiceRecord(MY_UUID);
        } catch (IOException e) { }
        mmSocket = tmp;
    }
    public void run() {
        mAdapter.cancelDiscovery();
        try {
            mmSocket.connect();
        } catch (IOException connectException) {
            try {
                mmSocket.close();
            } catch (IOException closeException) { }
            return;
        }
        manageConnectedSocket(mmSocket);
    }
    public void cancel() {
        try {
            mmSocket.close();
        } catch (IOException e) { }
    }
}

Answer 1

你有这个单独的文件吗？仅当一个类是另一个类的成员时，这才有效。