JAVA套接字接受挂起

Question

下面的代码挂起不会超出下面的消息，而是挂在socket.accept（）上。 它是android应用程序的一部分，并且已将INTERNET权限添加到清单中。尝试将accept放入while（true）循环中...但是那没用：

09-23 15：55：43.737 24079-25436：尝试打开端口5556 ... 09-23 15：55：43.739 24079-25436：>>>开放端口：5556

    private Socket socket = null;
    private ServerSocket server = null;

    private static final String TAG = "MyActivity";


    public boolean openPort(String host , int port){

        try {
            server = new ServerSocket(port);
        } catch (IOException e) {
            Log.e(TAG , "Error initializing serverSocket: " , e);
        }

        Log.e(TAG , ">>> Opening Port : " + port);

        boolean bmsg = false;

        try {
                socket = server.accept();
                Log.e(TAG , ">>> Opened Port : " + port);

                return true;
        } catch(IOException e){
            Log.e(TAG, "Error opening port: ", e);
            return bmsg;
        } catch(SecurityException s){
            Log.e(TAG, "sError opening port: ", s);
            return bmsg;

        } catch(IllegalBlockingModeException b){
            Log.e(TAG, "bError opening port: ", b);
            return bmsg;
        }
    }

在单击按钮时从异步任务下面调用上述类：

private class openPort extends AsyncTask{

    @Override
    protected Object doInBackground(Object[] objects) {
        Log.i(TAG , "Trying to open port 5556...");
        //host is localhost
        //port is 5556
        OpenClosePort ocp = new OpenClosePort();
        ocp.openPort(host , port);

        return null;
    }
}