Android网络搜索

Question

我正在创建一个应用程序，需要人们通过WiFi连接到彼此以使它们能够一起玩。

但是我不想通过IP地址搜索某人，我想搜索当前所有托管游戏的人，并更新那些可以点击进行连接的人的列表。

服务器

public class server extends AppCompatActivity { 
int numPlayers=0; 
int count = 0; 
TextView infoip, msg; 
String message = ""; 
ServerSocket serverSocket; 
private String name="server"; 

@Override 
protected void onCreate(Bundle savedInstanceState) { 
    super.onCreate(savedInstanceState); 
    setContentView(R.layout.activity_server); 
    Bundle b = this.getIntent().getExtras(); 
    numPlayers = b.getInt("numPlayers"); 
    //name = b.getString("name"); 

    infoip = (TextView) findViewById(R.id.serverText); 
    msg = (TextView) findViewById(R.id.serverPlayerCount); 

    infoip.setText("Hosting..."); 

    Thread socketServerThread = new Thread(new SocketServerThread()); 
    socketServerThread.start(); 
    ButtClickListener(); 
} 
@Override 
protected void onDestroy() { 
    if (serverSocket != null) { 
     try { 
      serverSocket.close(); 
     } catch (IOException e) { 
      e.printStackTrace(); 
     } 
     super.onDestroy(); 
    } 
} 
private void ButtClickListener() { 
    Button cancel = (Button) findViewById(R.id.severQuit); 
    cancel.setOnClickListener(new View.OnClickListener() { 
     @Override 
     public void onClick(View v) { 
      finish(); 
     } 
    }); 
} 

private class SocketServerThread extends Thread 

{ 
static final int SocketServerPORT = 8080; 

@Override 
public void run() { 
    try { 
     serverSocket = new ServerSocket(SocketServerPORT); 
     server.this.runOnUiThread(new Runnable() { 

      @Override 
      public void run() { 
      } 
     }); 

     while (true) { 
      Socket socket = serverSocket.accept(); 
      count++; 
      message += "#" + count + " from " + socket.getInetAddress() 
        + ":" + socket.getPort() + "\n"; 

      server.this.runOnUiThread(new Runnable() { 

       @Override 
       public void run() { 
        msg.setText(message); 
       } 
      }); 

      SocketServerReplyThread socketServerReplyThread = new SocketServerReplyThread(
        socket, count); 
      socketServerReplyThread.run(); 

     } 
    } catch (IOException e) { 
     e.printStackTrace(); 
    } 
} 

} 

private class SocketServerReplyThread extends Thread { 

private Socket hostThreadSocket; 

SocketServerReplyThread(Socket socket, int c) { 
    hostThreadSocket = socket; 
    count = c; 
} 

@Override 
public void run() { 
    OutputStream outputStream; 
    String msgReply = "You are the #" + count+" person out of "+count+"/"+numPlayers; 

    try { 
     outputStream = hostThreadSocket.getOutputStream(); 
     PrintStream printStream = new PrintStream(outputStream); 
     printStream.print(msgReply); 
     printStream.close(); 

     message += msgReply + "\n"; 

     server.this.runOnUiThread(new Runnable() { 

      @Override 
      public void run() { 
       msg.setText(message); 
      } 
     }); 

    } catch (IOException e) { 
     e.printStackTrace(); 
     message += "Error " + e.toString() + "\n"; 
    } 

    server.this.runOnUiThread(new Runnable() { 
     @Override 
     public void run() { 
      msg.setText(message); 
     } 
    }); 
} 

} 

    private String getIpAddress() { 
     String ip = ""; 
     try { 
      Enumeration<NetworkInterface> enumNetworkInterfaces = NetworkInterface 
        .getNetworkInterfaces(); 
      while (enumNetworkInterfaces.hasMoreElements()) { 
       NetworkInterface networkInterface = enumNetworkInterfaces 
         .nextElement(); 
      Enumeration<InetAddress> enumInetAddress = networkInterface 
        .getInetAddresses(); 
      while (enumInetAddress.hasMoreElements()) { 
       InetAddress inetAddress = enumInetAddress.nextElement(); 

       if (inetAddress.isSiteLocalAddress()) { 
        ip += "SiteLocalAddress: " 
          + inetAddress.getHostAddress() + "\n"; 
       } 

      } 

     } 

    } catch (SocketException e) { 
     // TODO Auto-generated catch block 
     e.printStackTrace(); 
     ip += "Something Wrong! " + e.toString() + "\n"; 
    } 

    return ip; 
} 
} 

客户

public class ClientThread implements Runnable { 

    public void run() { 
     try { 
      InetAddress serverAddr = InetAddress.getByName(serverIpAddress); 
      Socket socket = new Socket(serverAddr, 
        8080); 
      connected = true; 
      while (connected) { 
       try { 
       } catch (Exception e) { 
       } 
      } 
      socket.close(); 
     } catch (Exception e) { 
      connected = false; 
     } 
    } 
} 

上面的代码时，我发现通过点击它，我就可以通过名称连接到服务器的服务器中实现，但我不知道如何搜索服务器。

我将如何去修改客户端，所以当它运行它将搜索所有潜在的服务器并返回一个服务器名称列表？

谢谢。

Answer 1

我认为这是对网络服务发现http://developer.android.com/training/connect-devices-wirelessly/nsd.html