【Android】基于TCP协议的网络通信

 1 ServerSocket server;
 2 try {
 3     server = new ServerSocket(8000);
 4     while (true) {
 5         Socket client = server.accept(); // 等待客户端的请求
 6         OutputStream stream = client.getOutputStream();
 7         stream.write("hello world!\n".getBytes("utf-8"));// 发送消息
 8         stream.close();
 9         client.close();
10     }
11 }
12 catch (Exception ex) {
13     ex.printStackTrace();
14 }

 1 Socket client;
 2 try {
 3     // 创建客户端并建立远程连接，具体IP地址和端口号需根据实际情况而定
 4     client = new Socket("192.168.1.94", 8000);
 5     // 将接受到的输入流封装成BufferedReader
 6     BufferedReader reader = new BufferedReader(
 7             new InputStreamReader(client.getInputStream()));
 8     String msg = reader.readLine();
 9     Log.w("TCP", msg);
10     reader.close();
11     client.close();
12 }
13 catch (Exception ex) {
14     ex.printStackTrace();
15 }

<uses-permission android:name="android.permission.INTERNET"/>