android局域网聊天+服务器
//终端java服务器
import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
import java.io.PrintWriter;
import java.net.ServerSocket;
import java.net.Socket;
import java.util.Vector;
//超级终端
public class Socket_Server extends ServerSocket implements Runnable {
private static final int SERVER_PORT = 10000;
static Vector<Socket> v;
PrintWriter out2;
static int StaticNum;// 记录用户数目
public Socket_Server() throws IOException {
super(SERVER_PORT);
Thread send = new Thread(new Runnable() {
public void run() {
BufferedReader msg = new BufferedReader(new InputStreamReader(
System.in));
String line;
while (true) {
try {
line = msg.readLine();
try {
if (line.equalsIgnoreCase("checkclient")) {
if (v.isEmpty()) {
System.out.println("目前没有客户连接");
continue;
}
for (int i = 0; i < v.size();) {
System.out.println(v.get(i)
.getRemoteSocketAddress());
i++;
}
continue;
}// 查看客户端连接情况
if (line.equalsIgnoreCase("?")
|| line.equalsIgnoreCase("help")) {
System.out.println("checkclient 查看客户端信息");
continue;
}// 显示帮助信息
out2 = new PrintWriter(v.get(
Integer.valueOf((line.substring(0,
line.indexOf("-")))) - 1)
.getOutputStream(), true);
// "1-msg"代表发给1号客户端msg
out2.println("服务器:"
+ line.substring(line.indexOf("-") + 1,
line.length()));
} catch (StringIndexOutOfBoundsException e) {
System.out.println("请按照以下格式回复");
System.out.println("客户端编号-回复内容");
} catch (NumberFormatException e) {
System.out.println("请按照以下格式回复");
System.out.println("客户端编号-回复内容");
} catch (Exception e) {
System.out.println("客户端未连接");
}
} catch (IOException e) {
e.printStackTrace();
}
}
}
});
send.start();
try {
while (true) {
Socket socket = accept();
StaticNum++;
new CreateServerThread(socket);
v.add(socket);// 新客户端添加进入Vector
}
} catch (IOException e) {
} finally {
close();
}
}
// --- CreateServerThread
class CreateServerThread extends Thread {
private Socket client;
private BufferedReader in;
private PrintWriter out;
int num = StaticNum;
public CreateServerThread(Socket s) throws IOException {
client = s;
in = new BufferedReader(new InputStreamReader(
client.getInputStream(), "UTF-8"));
out = new PrintWriter(client.getOutputStream(), true);
// out.println("--- Welcome ---");
// out.println("-成功连接至服务器-");
out.println("您是" + num + "号客户端");
System.out.println("新客户端已连接。。。");
System.out.println(s.getRemoteSocketAddress());
start();
}
public void run() {
try {
String line = in.readLine();
while (!line.equals("bye")) {
System.out.println(num + "号客户端：" + line);
// out.println("发送给服务器的消息:" + line);
// out.println(line);
try {// 支持局域网用户互相发送信息
out2 = new PrintWriter(v.get(
Integer.valueOf((line.substring(0,
line.indexOf("-")))) - 1)
.getOutputStream(), true);
out2.println("来自"
+ client.getRemoteSocketAddress()
+ "的消息:"
+ line.substring(line.indexOf("-") + 1,
line.length()));
out.println("发送给"
+ v.get(Integer.valueOf((line.substring(0,
line.indexOf("-")))) - 1)
.getRemoteSocketAddress()
+ "的消息:"
+ line.substring(line.indexOf("-") + 1,
line.length()));
} catch (Exception e) {
}
line = in.readLine();
}
out.println("--- See you, bye! ---");
System.out.println("客户端正常断开连接");
client.close();
} catch (Exception e) {
System.out.println("客户端异常断开连接");
try {
client.close();
} catch (IOException e1) {
System.out.println("客户端关闭异常");
}
}
}
}
public static void main(String[] args) throws IOException {
System.out.println("启动服务器。。。");
v = new Vector<Socket>();
StaticNum = 0;
new Socket_Server();
}
@Override
public void run() {
}
}
//android客户端代码
package com.example.android2;
import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
import java.io.PrintWriter;
import java.io.UnsupportedEncodingException;
import java.net.Socket;
import android.annotation.SuppressLint;
import android.app.Activity;
import android.os.Bundle;
import android.os.Handler;
import android.os.Message;
import android.util.Log;
import android.view.Menu;
import android.view.MotionEvent;
import android.view.View;
import android.view.View.OnTouchListener;
import android.widget.ImageButton;
import android.widget.TextView;
@SuppressLint("HandlerLeak")
public class MainActivity extends Activity {
private TextView myTextView;
private TextView ViewMsg;
BufferedReader in;
PrintWriter out;
private ImageButton Ibtn;
String msg;
static Socket socket;
Handler h = null;
@Override
protected void onCreate(Bundle savedInstanceState) {
try {
socket = new Socket("192.168.0.17", 10000);
// in = new BufferedReader(new InputStreamReader(
// socket.getInputStream()));
out = new PrintWriter(socket.getOutputStream(), true);
} catch (Exception e) {
e.printStackTrace();
}
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
myTextView = (TextView) findViewById(R.id.editText1);
ViewMsg = (TextView) findViewById(R.id.editText2);
ViewMsg.setText("已连接服务器...");
Ibtn = (ImageButton) findViewById(R.id.imageButton1);
Ibtn.setOnTouchListener(new OnTouchListener() {
public boolean onTouch(View v, MotionEvent event) {
// 用户当前为按下
if (event.getAction() == MotionEvent.ACTION_DOWN) {
// 用户当前为抬起
String send = String.valueOf(myTextView.getText());
ViewMsg.setText(ViewMsg.getText() + send);
out.println(send);
myTextView.setText("");
} else if (event.getAction() == MotionEvent.ACTION_UP) {
}
return false;
}
});
new Thread() {
public void run() {
try {
in = new BufferedReader(new InputStreamReader(
socket.getInputStream(), "UTF-8"));
} catch (UnsupportedEncodingException e1) {
e1.printStackTrace();
} catch (IOException e1) {
e1.printStackTrace();
}
try {
msg = in.readLine();
} catch (IOException e1) {
// TODO Auto-generated catch block
e1.printStackTrace();
}
while (true) {
try {
msg = in.readLine();
Log.d("d", msg);
if (!msg.equalsIgnoreCase("bye")) {
Message m = new Message();
MainActivity.this.h.sendMessage(m);
}
} catch (Exception e) {
e.printStackTrace();
}
}
}
}.start();
h = new Handler() {
public void handleMessage(Message m) {
ViewMsg.setText(ViewMsg.getText() + msg);
}
};
}
@Override
public boolean onCreateOptionsMenu(Menu menu) {
// Inflate the menu; this adds items to the action bar if it is present.
getMenuInflater().inflate(R.menu.activity_main, menu);
return true;
}
}
//activity_main.xml
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:tools="http://schemas.android.com/tools"
android:layout_width="match_parent"
android:layout_height="match_parent"
tools:context=".MainActivity" >
<EditText
android:id="@+id/editText1"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_alignParentBottom="true"
android:layout_alignParentLeft="true"
android:layout_marginBottom="48dp"
android:ems="10" />
<ImageButton
android:id="@+id/imageButton1"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_alignBottom="@+id/editText1"
android:layout_toRightOf="@+id/editText1"
android:src="@drawable/ic_launcher" />
<EditText
android:id="@+id/editText2"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_above="@+id/imageButton1"
android:layout_alignParentLeft="true"
android:layout_alignParentTop="true"
android:layout_alignRight="@+id/imageButton1"
android:layout_marginLeft="15dp"
android:layout_marginTop="16dp"
android:ems="10" />
</RelativeLayout>
//android2 Manifest
<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
package="com.example.android2"
android:versionCode="1"
android:versionName="1.0" >
<uses-sdk
android:minSdkVersion="8"
android:targetSdkVersion="8" />
<application
android:allowBackup="true"
android:icon="@drawable/ic_launcher"
android:label="@string/app_name"
android:theme="@style/AppTheme" >
<activity
android:name="com.example.android2.MainActivity"
android:label="@string/app_name" >
<intent-filter>
<action android:name="android.intent.action.MAIN" />
<category android:name="android.intent.category.LAUNCHER" />
</intent-filter>
</activity>
</application>
<uses-permission android:name="android.permission.INTERNET" />
</manifest>
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