实例:手机端登录,把登录名和密码发送到服务端,服务端在接收到用户名密码之后返回一个”ok”给客户端,客户端进行打印/判断
手机客户端代码:
package com.example.registerlogin;
import java.io.BufferedReader;
import java.io.DataInputStream;
import java.io.IOException;
import java.io.InputStreamReader;
import java.io.PrintWriter;
import java.net.Socket;
import java.net.UnknownHostException;
import android.app.Activity;
import android.content.Intent;
import android.os.Bundle;
import android.view.Menu;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.Button;
import android.widget.CheckBox;
import android.widget.EditText;
public class MainActivity extends Activity implements OnClickListener {
private String url = "192.168.111.111";// ip地址,这里是指服务端所在的机器的ip地址
private int port = 8008;// 端口号,不要写你本机其他 程序已经占用的端口号,其他随便取,这个端口号也是服务端需要监听的端口号
private EditText usernameET, passwordET;// 输入用户名和密码
private Button registerBT, loginBT;// 注册和登录按钮
private String username, password;
private Socket socket;
private PrintWriter printWriter; //写
private BufferedReader bufR;//读
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
usernameET = (EditText) findViewById(R.id.usernameET);
passwordET = (EditText) findViewById(R.id.passwordET);
savePassCB = (CheckBox) findViewById(R.id.savePassCB);
autoLoginCB = (CheckBox) findViewById(R.id.autoLoginCB);
regi