Android Socket编程
Server部分的Java代码:
package com.wll.mysocket;
import java.io.*;
import java.net.ServerSocket;
import java.net.Socket;
public class myServer implements Runnable{ public void run() {
try {
ServerSocket serverSocket=new ServerSocket(54321); while(true)
{
System.out.println("接收用户连接:");
//接受客户端请求
Socket client=serverSocket.accept(); System.out.println("accept:");
try
{
//接受客户端信息
BufferedReader in=new BufferedReader(new InputStreamReader(client.getInputStream())); String str=in.readLine();
System.out.println("read:"+str);
//向服务器发送消息
PrintWriter out=new PrintWriter(new BufferedWriter(new
OutputStreamWriter(client.getOutputStream())),true);
out.println("Server Message:"+str);
in.close();
out.close();
}catch(Exception ex)
{
System.out.println(ex.getMessage()); ex.printStackTrace();
}
finally
{
client.close();
System.out.println("close"); }
}
} catch (IOException e) { System.out.println(e.getMessage()); }
}
public static void main(String [] args)
{
Thread desktopServerThread=new Thread(new myServer());
desktopServerThread.start(); }
}
客户端用Android代码编写:
package com.wll.mysocket;
import java.io.*;
import java.net.Socket;
import java.net.UnknownHostException;
import android.*;
//客户端的实现
public class mySocketAct extends Activity { private TextView text1;
private Button but1;
private EditText edit1;
private final String DEBUG_TAG="mySocketAct";
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.main);
text1=(TextView)findViewById(R.id.text1);
but1=(Button)findViewById(R.id.but1);
edit1=(EditText)findViewById(R.id.edit);
but1.setOnClickListener(new Button.OnClickListener()
{
public void onClick(View v) {
Socket socket=null;
String mesg=edit1.getText().toString()+"\r\n"; edit1.setText("");
try {
socket=new Socket("10.0.2.2",54321); //向服务器发送信息
PrintWriter out=new PrintWriter(new BufferedWriter(new
OutputStreamWriter(socket.getOutputStream())),true);
out.println(mesg);
//接受服务器的信息
BufferedReader br=new BufferedReader(new InputStreamReader(socket.getInputStream()));
String mstr=br.readLine();
if(mstr!=null)
{
text1.setText(mstr);
}else
{
text1.setText("数据错误");
}
out.close();
br.close();
socket.close();
} catch (UnknownHostException e) { e.printStackTrace();
} catch (IOException e) {
e.printStackTrace();
}catch(Exception e)
{
Log.e(DEBUG_TAG,e.toString());
}
}
});
}
}
其中很重要的一个问
题
快递公司问题件快递公司问题件货款处理关于圆的周长面积重点题型关于解方程组的题及答案关于南海问题
是:
电脑与模拟器之间的通信问题，必须在AndroidManifest.xml中编写:
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