Android socket与服务器通信长连接通信

来源：互联网发布：逆战外卦大全软件编辑：程序博客网时间：2024/05/16 03:09

近期因项目需要用到Socket通信，实现客户端Socket 与服务器通信。实现客户端发送信息--》服务器接收信息---》服务器返回信息--》客户端接收返回信息的长连接通讯，已测试通过。

服务端代码：

package com.cj.socket;import java.io.BufferedReader;import java.io.BufferedWriter;import java.io.IOException;import java.io.InputStream;import java.io.InputStreamReader;import java.io.OutputStream;import java.io.OutputStreamWriter;import java.io.PrintWriter;import java.net.ServerSocket;import java.net.Socket;public class Server extends Thread{private ServerSocket serverSocket = null;private int port = 8142;@Overridepublic void run() {try {serverSocket = new ServerSocket(port);System.out.println("server builded.....");OutputStream out = null;InputStream in = null;while(true){Socket socket = serverSocket.accept();try{in = socket.getInputStream();out = socket.getOutputStream();while(true){String reciverData = readFromInputStream(in);                        System.out.println(reciverData);                        reciverData = "已接收--》\n" + reciverData;                        writeToClient(out, reciverData);                        }}catch(Exception e){e.printStackTrace();}finally{in.close();out.close();}//BufferedReader in = new BufferedReader(new InputStreamReader(socket.getInputStream()));//PrintWriter out = new PrintWriter(new BufferedWriter(new OutputStreamWriter(socket.getOutputStream())), true);//String a = null;//String b= null;//while((a = in.readLine()) != null){//b += a;//System.out.println(a);//out.println("已接收。。。。。" + a);//out.flush();                     //}}} catch (IOException e) {// TODO Auto-generated catch blocke.printStackTrace();}finally{try {serverSocket.close();} catch (IOException e) {// TODO Auto-generated catch blocke.printStackTrace();};}}public String readFromInputStream(InputStream in){int count = 0;byte[] inDatas = null;try{while(count == 0){count = in.available();}inDatas = new byte[count];in.read(inDatas);return new String(inDatas);}catch(Exception e){e.printStackTrace();}return null;}public void writeToClient(OutputStream out, String data){try{out.write(data.getBytes());out.flush();}catch(Exception e){e.printStackTrace();}}}

package com.cj.socket;public class Test {    public static void main(String[] argv){    new Server().start();    }}

客户端代码:

package com.cj.testsocket.socket;import java.io.BufferedReader;import java.io.BufferedWriter;import java.io.IOException;import java.io.InputStream;import java.io.InputStreamReader;import java.io.OutputStream;import java.io.OutputStreamWriter;import java.io.PrintWriter;import java.net.InetAddress;import java.net.Socket;import java.net.UnknownHostException;import java.util.LinkedList;import java.util.List;import android.util.Log;public class ClientSocket extends Thread{public static final String SOCKET_TAG = "socketTag";public static final long HEART_TIME = 10000;public static final long SEND_TIME = 1000;private static final String HEART_MSG = "heart"; /** * 接收线程 */private Thread mReciverThread = null;/** * 心跳时间 */private long mHeartTime = 0;/** * client socket */private Socket mSocket = null;                  private InputStream in = null;private OutputStream  out = null;/** * 主机IP地址 */private String serverUrl = null;/** * 主机端口 */private int serverPort = 0;/** * 消息队列 */private volatile List<String> mMsgQueue = null;/** * 接收到服务端返回信息回调接口 */private OnSocketRecieveCallBack mOnSocketRecieveCallBack;/********************************************* *  * gettter or setter *  ********************************************/public Socket getSocket() {return mSocket;}public String getServerUrl() {return serverUrl;}public void setServerUrl(String serverUrl) {this.serverUrl = serverUrl;}public int getServerPort() {return serverPort;}public void setServerPort(int serverPort) {this.serverPort = serverPort;}public List<String> getMsgQueue() {return mMsgQueue;}public void setMsgQueue(List<String> mMsgQueue) {this.mMsgQueue = mMsgQueue;}public OnSocketRecieveCallBack getOnSocketRecieveCallBack() {return mOnSocketRecieveCallBack;}public void setOnSocketRecieveCallBack(OnSocketRecieveCallBack mOnSocketRecieveCallBack) {this.mOnSocketRecieveCallBack = mOnSocketRecieveCallBack;}/** * 构造函数 */public ClientSocket(String hostName, int port){serverUrl = hostName;serverPort = port;mMsgQueue = new LinkedList<String>();mReciverThread = new Thread(){@Overridepublic void run(){while(!this.isInterrupted()){reciverMsgFromServer();}}};mReciverThread.start();}/*********************************************** *  * Methods *  **********************************************/public String readFromInputStream(InputStream in){int count = 0;byte[] inDatas = null;try{while(count == 0){count = in.available();}inDatas = new byte[count];in.read(inDatas);return new String(inDatas);}catch(Exception e){e.printStackTrace();}return null;}private void reciverMsgFromServer(){// 接收数据if(mSocket != null && mSocket.isConnected() && !mSocket.isInputShutdown() && in != null){try {String recieveMsg = readFromInputStream(in);if(mOnSocketRecieveCallBack != null)mOnSocketRecieveCallBack.OnRecieveFromServerMsg(recieveMsg);} catch (Exception e) {// TODO Auto-generated catch blocke.printStackTrace();}}}/** * 发送心跳包  */public void sendHeart(String msgHeart){((LinkedList<String>)mMsgQueue).addFirst(msgHeart);}/** * socket 是否有断开连接 * @return */public boolean isSocketConnected(){if(mSocket != null && mSocket.isConnected()) return true; return false;}/** * 添加发送消息到队列 * @param msg */public void addSendMsgToQueue(String msg){mMsgQueue.add(msg);}/** * 判断消息队列是否为空 * @return */public boolean isMsgQueueEmpty(){return mMsgQueue.isEmpty();}@Overridepublic void run() {InetAddress inetAddress = null;try {mSocket = new Socket(InetAddress.getByName(serverUrl), serverPort);in = mSocket.getInputStream();out = mSocket.getOutputStream();mHeartTime = System.currentTimeMillis();Log.v(SOCKET_TAG, "client socket create successed");// 轮询发送消息列表中的数据while(true){// 判断是否要发送心跳包if(Math.abs(mHeartTime - System.currentTimeMillis()) > HEART_TIME) sendHeart(HEART_MSG);Thread.sleep(SEND_TIME);// 判断client socket 是否连接上Serverif(mSocket.isConnected()){Log.v(SOCKET_TAG, "### client socket connected ###");// 发送数据if(!mSocket.isOutputShutdown() && !isMsgQueueEmpty()){out.write(mMsgQueue.get(0).getBytes());Log.v(SOCKET_TAG, "sned msg toServer: " + mMsgQueue.get(0));Log.v(SOCKET_TAG, "## msg count : " + mMsgQueue.size());// 将发送过的数据移除消息列表mMsgQueue.remove(0);mHeartTime = System.currentTimeMillis();}}else{// 重建连接Log.v(SOCKET_TAG, "client socket disconnected");if(!mSocket.isClosed()) mSocket.close();inetAddress = InetAddress.getByName(serverUrl);mSocket = new Socket(inetAddress, serverPort);}}}catch (InterruptedException e) {// TODO Auto-generated catch blocke.printStackTrace();Log.v(SOCKET_TAG,e.getMessage());} catch (UnknownHostException e) {e.printStackTrace();Log.v(SOCKET_TAG,e.getMessage());} catch (IOException e) {e.printStackTrace();Log.v(SOCKET_TAG,e.getMessage());}finally{if(out != null)try {out.close();} catch (IOException e2) {// TODO Auto-generated catch blocke2.printStackTrace();}if(in != null){try {in.close();} catch (IOException e1) {// TODO Auto-generated catch blocke1.printStackTrace();}}if(mSocket != null){try {mSocket.close();} catch (IOException e) {e.printStackTrace();Log.v(SOCKET_TAG,e.getMessage());}}Log.v(SOCKET_TAG, "client socket close");}}@Overrideprotected void finalize() throws Throwable {super.finalize();if(mReciverThread != null && !mReciverThread.isInterrupted()){mReciverThread.interrupt();mReciverThread = null;}if(mSocket != null && !mSocket.isClosed()){mSocket.close();}Log.v(SOCKET_TAG, "client socket destory");}/** * 接收到服务端返回信息回调接口 * @author Administrator * */public interface OnSocketRecieveCallBack{public void OnRecieveFromServerMsg(String msg);}}


package com.cj.testsocket;import java.util.ArrayList;import java.util.List;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.ArrayAdapter;import android.widget.Button;import android.widget.EditText;import android.widget.ListView;import com.cj.testsocket.socket.ClientSocket;import com.cj.testsocket.socket.ClientSocket.OnSocketRecieveCallBack;public class MainActivity extends Activity implements OnClickListener, OnSocketRecieveCallBack{public static final String SERVER_NAME = "192.168.0.119";public static final int PORT = 8142;Button btn_send;EditText ed_send;ListView mListView;ArrayAdapter<String> arryAdapter = null;List<String> mDatas = null;Handler mHandler = new Handler(){@Overridepublic void handleMessage(Message msg) {// TODO Auto-generated method stubmDatas.add((String)msg.obj);arryAdapter.notifyDataSetChanged();}};ClientSocket mClientSocket = null;@Overrideprotected void onCreate(Bundle savedInstanceState) {super.onCreate(savedInstanceState);setContentView(R.layout.activity_main);mDatas = new ArrayList<String>();mDatas.add("Hello world");arryAdapter = new ArrayAdapter<String>(this, android.R.layout.simple_list_item_1, mDatas);ed_send = (EditText)this.findViewById(R.id.et_send);btn_send = (Button)this.findViewById(R.id.btn_send);btn_send.setOnClickListener(this);mListView = (ListView)this.findViewById(R.id.list);mListView.setAdapter(arryAdapter);mClientSocket = new ClientSocket(SERVER_NAME, PORT);mClientSocket.setOnSocketRecieveCallBack(this);mClientSocket.start();}@Overridepublic void onClick(View v) {// TODO Auto-generated method stubString msg = ed_send.getText().toString();if(msg != null && mClientSocket.isSocketConnected()){mClientSocket.addSendMsgToQueue(msg);mDatas.add(msg);arryAdapter.notifyDataSetChanged();ed_send.setText("");}}@Overridepublic void OnRecieveFromServerMsg(String msg) {// TODO Auto-generated method stubif(msg != null){Message message = Message.obtain();message.obj = msg;mHandler.sendMessage(message);}}}
    布局文件：
<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" >    <ListView        android:id="@+id/list"        android:layout_width="fill_parent"        android:layout_height="wrap_content"        android:listSelector="@android:color/transparent"        android:transcriptMode="alwaysScroll"        android:stackFromBottom="true"/>    <LinearLayout        android:layout_width="fill_parent"        android:layout_height="48dp"        android:layout_alignParentBottom="true"        android:background="#818080"        android:orientation="horizontal" >        <EditText            android:id="@+id/et_send"            android:background="#ffffff"            android:layout_margin="4dp"            android:layout_width="0dp"            android:layout_height="fill_parent"            android:layout_weight="5"             android:hint="请输入要发送的信息"/>        <Button            android:id="@+id/btn_send"            android:background="@drawable/btn_send_selector"            android:layout_margin="4dp"            android:layout_width="0dp"            android:layout_height="fill_parent"            android:layout_weight="2"            android:text="发  送" />    </LinearLayout></RelativeLayout>

AndroidManifest.xml

<?xml version="1.0" encoding="utf-8"?><manifest xmlns:android="http://schemas.android.com/apk/res/android"    package="com.cj.testsocket"    android:versionCode="1"    android:versionName="1.0" >    <uses-sdk        android:minSdkVersion="8"        android:targetSdkVersion="18" />    <uses-permission android:name="android.permission.INTERNET"/>    <uses-permission android:name="android.permission.ACCESS_NETWORK_STATE"/>    <application        android:allowBackup="true"        android:icon="@drawable/ic_launcher"        android:label="@string/app_name"        android:theme="@style/AppTheme" >        <activity            android:name="com.cj.testsocket.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></manifest>


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