所谓"骂街"，就两个人"A","B"对骂，A骂B的过程是这样的： A发出信息---B接收信息--B处理信息（理解A骂的话，想着怎么回应A）--B发送
信息（反骂）--A接收信息--A处理信息（理解B骂的话，想着怎么回应B）。循环这个过程。
客户端：
1 package com.example.csserver; 2 3 import java.io.BufferedReader; 4 import java.io.BufferedWriter; 5 import java.io.IOException; 6 import java.io.InputStreamReader; 7 import java.io.OutputStreamWriter; 8 import java.net.Socket; 9 10 import java.util.Timer; 11 import java.util.TimerTask; 12 13 import android.app.Activity; 14 import android.os.Bundle; 15 import android.os.Handler; 16 import android.os.Message; 17 18 import android.view.View; 19 import android.view.View.OnClickListener; 20 import android.widget.Button; 21 import android.widget.EditText; 22 23 public class MainActivity extends Activity { 24 25 public EditText et_client; 26 private EditText et_ip; 27 private EditText et_port; 28 public EditText et_service; 29 public Button bt_send; 30 private Button bt_stop; 31 public String clientText; 32 private String host=null ; 33 private int port=0 ; 34 private BufferedReader br; 35 private BufferedWriter bw; 36 Timer timer=null; 37 38 @Override 39 public void onCreate(Bundle savedInstanceState) { 40 super.onCreate(savedInstanceState); 41 setContentView(R.layout.activity_main); 42 et_ip=(EditText)findViewById(R.id.et_ip); 43 et_port=(EditText)findViewById(R.id.et_port); 44 bt_stop=(Button)findViewById(R.id.bt_stop); 45 et_client = (EditText) findViewById(R.id.et_client); 46 et_service = (EditText) findViewById(R.id.et_service); 47 bt_send = (Button) findViewById(R.id.bt_send); 48 49 bt_send.setOnClickListener(new OnClickListener() { 50 51 @Override 52 public void onClick(View v) { 53 host=et_ip.getText().toString().trim(); 54 port=Integer.parseInt(et_port.getText().toString().trim()); 55 clientText = et_client.getText().toString(); 56 sendTimer(); 57 58 } 59 }); 60 bt_stop.setOnClickListener(new OnClickListener() { 61 62 @Override 63 public void onClick(View v) { 64 65 if (task != null) { 66 task.cancel(); 67 task = null; 68 } 69 if (timer != null) { 70 timer.cancel(); 71 timer.purge(); 72 timer = null; 73 } 74 75 76 } 77 }); 78 79 } 80 81 /** 82 * 接收服务器返回的数据 83 * @param receiveSocket 84 * @return 85 * @throws IOException 86 */ 87 private String receiveData(Socket receiveSocket) throws IOException { 88 br = new BufferedReader(new InputStreamReader( 89 receiveSocket.getInputStream())); 90 String receiveStr = br.readLine(); 91 br.close(); 92 return receiveStr; 93 94 } 95 /** 96 * 向服务器发送数据 97 * @param sendSocket 98 * @param sendText 99 */ 100 private void transData(Socket sendSocket, String sendText) { 101 try { 102 bw = new BufferedWriter(new OutputStreamWriter( 103 sendSocket.getOutputStream())); 104 bw.write(sendText.replace("\n", " ") + "\n"); 105 bw.flush(); 106 107 } catch (IOException e) { 108 // TODO 自动生成的 catch 块 109 e.printStackTrace(); 110 } 111 } 112 /** 113 * 创建客户端Socket 114 * @param host 115 * @param port 116 * @return 117 * @throws IOException 118 * @throws IOException 119 */ 120 private Socket requestSocket(String host, int port) throws IOException, 121 IOException { 122 Socket socket = new Socket(host, port); 123 return socket; 124 } 125 /** 126 * 关闭Socket 127 * 注意:"流可以关 但要等到服务器验证完毕后再关 尤其是你的输出流 " 128 * @param socket 129 * @throws IOException 130 */ 131 private void closeSocket(Socket socket) throws IOException{ 132 br.close(); 133 bw.close(); 134 socket.close(); 135 136 } 137 Handler timerHandler = new Handler() { 138 public void handleMessage(Message msg) { 139 Bundle bd = msg.getData(); 140 if (msg.what == 1) { 141 142 et_service.setText(bd.getString("data")); 143 144 } 145 super.handleMessage(msg); 146 } 147 }; 148 149 TimerTask task = new TimerTask() { 150 151 public void run() { 152 Message message = new Message(); 153 message.what = 1; 154 try { 155 Socket socket = requestSocket(host, port); 156 transData(socket, clientText); 157 String showText = receiveData(socket); 158 closeSocket(socket); 159 Bundle bundle = new Bundle(); 160 bundle.putString("data", showText); 161 message.setData(bundle); 162 timerHandler.sendMessage(message); 163 } catch (IOException e) { 164 // TODO 自动生成的 catch 块 165 e.printStackTrace(); 166 } 167 168 } 169 }; 170 171 private void sendTimer() { 172 timer=new Timer(); 173 timer.schedule(task, 1000, 400); 174 } 175 } 176 177
服务端：
1 package com.test; 2 3 import java.io.BufferedReader; 4 import java.io.BufferedWriter; 5 import java.io.IOException; 6 import java.io.InputStreamReader; 7 import java.io.OutputStreamWriter; 8 import java.net.ServerSocket; 9 import java.net.Socket; 10 11 public class Test extends Thread { 12 private int i=0; 13 14 private Test() throws IOException { 15 CreateSocket(); 16 //创建Socket服务器 17 } 18 19 public void run() { 20 Socket client; 21 String txt; 22 try { 23 while (true) 24 //线程无限循环，实时监听socket端口 25 { 26 client=ResponseSocket(); 27 //响应客户端链接请求。。 28 29 while(true) 30 { 31 txt=ReceiveMsg(client); 32 System.out.println(txt); 33 //链接获得客户端发来消息，并将其显示在Server端的屏幕上 34 35 SendMsg(client,txt); 36 //向客户端返回消息 37 38 if(true)break; 39 //中断，继续等待链接请求 40 } 41 42 CloseSocket(client); 43 //关闭此次链接 44 } 45 } 46 catch (IOException e) { 47 System.out.println(e); 48 } 49 50 } 51 52 private ServerSocket server = null; 53 private static final int PORT = 2000; 54 private BufferedWriter writer; 55 private BufferedReader reader; 56 57 private void CreateSocket() throws IOException 58 { 59 server = new ServerSocket(PORT, 100); 60 System.out.println("Server starting.."); 61 } 62 63 private Socket ResponseSocket() throws IOException 64 { 65 Socket client = server.accept(); 66 System.out.println("client connected.."); 67 68 return client; 69 } 70 71 private void CloseSocket(Socket socket) throws IOException 72 { 73 reader.close(); 74 writer.close(); 75 socket.close(); 76 System.out.println("client closed.."); 77 } 78 79 private void SendMsg(Socket socket,String Msg) throws IOException 80 { 81 writer = new BufferedWriter( 82 new OutputStreamWriter(socket.getOutputStream())); 83 i++; 84 writer.write(Msg+i+"\n"); 85 writer.flush(); 86 87 } 88 89 private String ReceiveMsg(Socket socket) throws IOException 90 { 91 reader = new BufferedReader( 92 new InputStreamReader(socket.getInputStream())); 93 System.out.println("server get input from client socket.."); 94 String txt="client send:"+reader.readLine(); 95 96 return txt; 97 } 98 99 public static void main(final String args[]) throws IOException { 100 Test yaochatserver = new Test(); 101 if (yaochatserver != null) { 102 yaochatserver.start(); 103 } 104 } 105 106 }
布局文件：
1 <RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android" 2 xmlns:tools="http://schemas.android.com/tools" 3 android:layout_width="match_parent" 4 android:layout_height="match_parent" > 5 6 <EditText 7 android:id="@+id/et_service" 8 android:layout_width="fill_parent" 9 android:layout_height="50dp" 10 android:layout_alignParentBottom="true" 11 android:layout_alignParentLeft="true" 12 android:layout_marginTop="109dp" 13 android:text="准备接受信息" /> 14 15 <Button 16 android:id="@+id/bt_stop" 17 android:layout_width="wrap_content" 18 android:layout_height="wrap_content" 19 android:layout_alignParentLeft="true" 20 android:layout_centerVertical="true" 21 android:text="停止发送" /> 22 23 <Button 24 android:id="@+id/bt_send" 25 android:layout_width="wrap_content" 26 android:layout_height="wrap_content" 27 android:layout_alignBaseline="@+id/bt_stop" 28 android:layout_alignBottom="@+id/bt_stop" 29 android:layout_alignParentRight="true" 30 android:text="发送信息" /> 31 32 <TextView 33 android:id="@+id/textView1" 34 android:layout_width="wrap_content" 35 android:layout_height="wrap_content" 36 android:layout_alignParentLeft="true" 37 android:layout_alignParentTop="true" 38 android:text="配置服务器地址：" 39 android:textSize="23dp" /> 40 41 <EditText 42 android:id="@+id/et_ip" 43 android:layout_width="wrap_content" 44 android:layout_height="wrap_content" 45 android:layout_alignParentRight="true" 46 android:layout_alignParentTop="true" 47 android:text="192.168.0.196" > 48 49 50 EditText> 51 52 <EditText 53 android:id="@+id/et_client" 54 android:layout_width="fill_parent" 55 android:layout_height="wrap_content" 56 android:layout_above="@+id/bt_stop" 57 android:layout_alignParentLeft="true" 58 android:layout_marginBottom="46dp" 59 android:hint="请输入发送的内容" /> 60 61 <TextView 62 android:id="@+id/textView1" 63 android:layout_width="wrap_content" 64 android:layout_height="wrap_content" 65 android:layout_alignParentLeft="true" 66 android:layout_below="@+id/et_ip" 67 android:text="配置服务器端口：" 68 android:textSize="23dp" /> 69 70 <EditText 71 android:id="@+id/et_port" 72 android:layout_width="wrap_content" 73 android:layout_height="wrap_content" 74 android:layout_alignLeft="@+id/bt_send" 75 android:layout_alignTop="@+id/textView1" 76 android:text="2000" /> 77 78 RelativeLayout>
最开始编写时我遇到了一个稀奇古怪的问题，我的客户端在模拟器上时一切正常；当在真实的android客户端上时，服务器能收到客户端发送的信息，而客户端接收不到服务器返回的信息，我以为是防火墙或者局域网搞的怪，但跟为奇怪的是在调试模式下客户端还能收的服务器放回的信息，后来我更改了客户端发送和接收的处理流程问题得到了解决