安卓平台客户端-服务器socket通信_源码带注释

import java.io.OutputStream; import java.net.Socket; import android.app.Activity; import android.os.Bundle; import android.os.Handler; import android.os.Message; import android.view.View; import android.view.View.OnClickListener; import android.widget.Button; import android.widget.EditText;public class MultiThreadClient extends Activity { // 定义界面上的两个文本框 EditText input, show; // 定义界面上的一个按钮 Button send; OutputStream os; Handler handler; @Override public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.main); input = (EditText) findViewById(R.id.input); send = (Button) findViewById(R.id.send); show = (EditText) findViewById(R.id.show); Socket s; handler = new Handler() { @Override public void handleMessage(Message msg) { // 如果消息来自于子线程 if (msg.what == 0x123) { // 将读取的内容追加显示在文本框中 show.append("\n" + msg.obj.toString()); } } }; try { //s = new Socket("59.78.31.49", 30001); s = new Socket("111.186.62.160", 30001); //s = new Socket("192.168.1.88", 30000); // 客户端启动ClientThread线程不断读取来自服务器的数据 new Thread(new ClientThread(s, handler)).start(); // ① os = s.getOutputStream(); } catch (Exception e) { e.printStackTrace(); } send.setOnClickListener(new OnClickListener() { @Override public void onClick(View v) { try { // 将用户在文本框内输入的内容写入网络 os.write((input.getText().toString() + "\r\n") .getBytes("utf-8")); // 清空input文本框 input.setText(""); } catch (Exception e) { e.printStackTrace(); } } }); } }