Socket網絡通信例子

From:http://www.cnblogs.com/qingblog/archive/2012/07/25/2607924.html

 1 package com.Aina.Android;  
  2 import java.io.BufferedReader;   
  3 import java.io.BufferedWriter;   
  4 import java.io.InputStreamReader;   
  5 import java.io.OutputStreamWriter;   
  6 import java.io.PrintWriter;   
  7 import java.net.Socket;   
  8   
  9 import android.app.Activity;   
 10 import android.app.AlertDialog;   
 11 import android.content.DialogInterface;   
 12 import android.os.Bundle;   
 13 import android.os.Handler;   
 14 import android.os.Message;   
 15 import android.util.Log;   
 16 import android.view.View;   
 17 import android.widget.Button;   
 18 import android.widget.EditText;   
 19 import android.widget.TextView;   
 20   
 21 public class Test extends Activity implements Runnable {   
 22     /** Called when the activity is first created. */  
 23     private TextView tv_msg = null;   
 24     private EditText ed_msg = null;   
 25     private Button btn_send = null;   
 26     private Button btn_login = null;   
 27     private static final String HOST = "192.168.0.132";   
 28     private static final int PORT = 9999;   
 29     private Socket socket = null;   
 30     private BufferedReader in = null;   
 31     private PrintWriter out = null;   
 32     private String content = "";   
 33   
 34     @Override  
 35     public void onCreate(Bundle savedInstanceState) {   
 36         super.onCreate(savedInstanceState);   
 37         setContentView(R.layout.main);   
 38         tv_msg = (TextView) this.findViewById(R.id.TextView);   
 39         ed_msg = (EditText) this.findViewById(R.id.EditText01);   
 40         btn_login = (Button) this.findViewById(R.id.Button01);   
 41         btn_send = (Button) this.findViewById(R.id.Button02);   
 42         try {   
 43             socket = new Socket(HOST, PORT);   
 44             in = new BufferedReader(new InputStreamReader(socket   
 45                     .getInputStream()));   
 46             out = new PrintWriter(new BufferedWriter(   
 47                     new OutputStreamWriter(socket.getOutputStream())),   
 48                     true);   
 49         } catch (Exception ex) {   
 50             ex.printStackTrace();   
 51             ShowDialog("登陸異常:" + ex.getMessage());   
 52         }   
 53         btn_send.setOnClickListener(new Button.OnClickListener() {   
 54   
 55             public void onClick(View v) {   
 56                 // TODO Auto-generated method stub  
 57                 String msg = ed_msg.getText().toString();   
 58                 if (socket.isConnected()) {   
 59                     if (!socket.isOutputShutdown()) {   
 60                         out.println(msg);   
 61                     }   
 62                 }   
 63             }   
 64   
 65         });   
 66         new Thread(this).start();   
 67     }   
 68   
 69     public void ShowDialog(String msg) {   
 70         new AlertDialog.Builder(this).setTitle("提示").setMessage(msg)   
 71                 .setPositiveButton("OK", new DialogInterface.OnClickListener() {   
 72   
 73                     public void onClick(DialogInterface dialog, int which) {   
 74                         // TODO Auto-generated method stub  
 75   
 76                     }   
 77   
 78                 }).show();   
 79     }   
 80   
 81     public void run() {   
 82         try {   
 83             while (true) {   
 84                 if(socket.isConnected()){   
 85                     if(!socket.isInputShutdown()){   
 86                         if ((content = in.readLine()) != null) {   
 87                             Log.i("TAG", "++ "+content);   
 88                             content += "\n";   
 89                             mHandler.sendMessage(mHandler.obtainMessage());   
 90                         }else{   
 91                                
 92                         }   
 93                     }   
 94                 }   
 95                    
 96             }   
 97         } catch (Exception ex) {   
 98             ex.printStackTrace();   
 99         }   
100     }   
101   
102     public Handler mHandler = new Handler() {   
103         public void handleMessage(Message msg) {   
104             super.handleMessage(msg);   
105             Log.i("TAG", "-- "+msg);   
106             tv_msg.setText(tv_msg.getText().toString() + content);   
107         }   
108     };   
109 } 

 

服務端程序：

  

 package com.Aina.Android;
import java.io.BufferedReader;
import java.io.BufferedWriter;
import java.io.InputStreamReader;
import java.io.OutputStreamWriter;
import java.io.PrintWriter;
import java.net.Socket;

import android.app.Activity;
import android.app.AlertDialog;
import android.content.DialogInterface;
import android.os.Bundle;
import android.os.Handler;
import android.os.Message;
import android.util.Log;
import android.view.View;
import android.widget.Button;
import android.widget.EditText;
import android.widget.TextView;

public class Test extends Activity implements Runnable {
    /** Called when the activity is first created. */
    private TextView tv_msg = null;
    private EditText ed_msg = null;
    private Button btn_send = null;
    private Button btn_login = null;
    private static final String HOST = "192.168.0.132";
    private static final int PORT = 9999;
    private Socket socket = null;
    private BufferedReader in = null;
    private PrintWriter out = null;
    private String content = "";

    @Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.main);
        tv_msg = (TextView) this.findViewById(R.id.TextView);
        ed_msg = (EditText) this.findViewById(R.id.EditText01);
        btn_login = (Button) this.findViewById(R.id.Button01);
        btn_send = (Button) this.findViewById(R.id.Button02);
        try {
            socket = new Socket(HOST, PORT);
            in = new BufferedReader(new InputStreamReader(socket
                    .getInputStream()));
            out = new PrintWriter(new BufferedWriter(
                    new OutputStreamWriter(socket.getOutputStream())),
                    true);
        } catch (Exception ex) {
            ex.printStackTrace();
            ShowDialog("登陸異常:" + ex.getMessage());
        }
        btn_send.setOnClickListener(new Button.OnClickListener() {

            public void onClick(View v) {
                // TODO Auto-generated method stub
                String msg = ed_msg.getText().toString();
                if (socket.isConnected()) {
                    if (!socket.isOutputShutdown()) {
                        out.println(msg);
                    }
                }
            }

        });
        new Thread(this).start();
    }

    public void ShowDialog(String msg) {
        new AlertDialog.Builder(this).setTitle("提示").setMessage(msg)
                .setPositiveButton("OK", new DialogInterface.OnClickListener() {

                    public void onClick(DialogInterface dialog, int which) {
                        // TODO Auto-generated method stub

                    }

                }).show();
    }

    public void run() {
        try {
            while (true) {
                if(socket.isConnected()){
                    if(!socket.isInputShutdown()){
                        if ((content = in.readLine()) != null) {
                            Log.i("TAG", "++ "+content);
                            content += "\n";
                            mHandler.sendMessage(mHandler.obtainMessage());
                        }else{

                        }
                    }
                }

            }
        } catch (Exception ex) {
            ex.printStackTrace();
        }
    }

    public Handler mHandler = new Handler() {
        public void handleMessage(Message msg) {
            super.handleMessage(msg);
            Log.i("TAG", "-- "+msg);
            tv_msg.setText(tv_msg.getText().toString() + content);
        }
    };
}