服务器端
import java.io.BufferedReader;
import java.io.BufferedWriter;
import java.io.InputStreamReader;
import java.io.OutputStreamWriter;
import java.io.PrintWriter;
import java.net.ServerSocket;
import java.net.Socket;
public class TCPDesktopServer implements Runnable{
public static final String SERVERIP = "192.168.155.1";
public static final int SERVERPORT = 1920;
public void run() {
try {
System.out.println("S: Connecting...");
ServerSocket serverSocket = new ServerSocket(SERVERPORT);
while (true) {
Socket client = serverSocket.accept();
try {
BufferedReader in = new BufferedReader(new InputStreamReader(client.getInputStream()));
String str = in.readLine();
System.out.println("S: Received: '" + str + "'");
} catch(Exception e) {
System.out.println("S: Error");
e.printStackTrace();
} finally {
client.close();
System.out.println("S: Done.");
}
}
} catch (Exception e) {
System.out.println("S: Error");
e.printStackTrace();
}
}
public static void main (String a[]) {
Thread ServerThread = new Thread(new TCPDesktopServer());
ServerThread.start();
}
}
客户端、
package com.ldgforever.controlbywifi;
import java.io.BufferedWriter;
import java.io.IOException;
import java.io.OutputStreamWriter;
import java.io.PrintWriter;
import java.net.Socket;
import java.net.UnknownHostException;
import android.app.ActionBar;
import android.app.Activity;
import android.os.Bundle;
import android.text.TextUtils;
import android.util.Log;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.Button;
import android.widget.Toast;
public class LightControlActivity extends Activity {
private Button mBtnSend;
private static final String TAG = "com.ldgforever.controlbywifi";
private String mIPAdress;
private int mPortNumber;
String ip="192.168.155.1";
int port=1920;
Socket socket = null;
private String mSendMsg = "test";
public static final String EXTRA_RECEIVE_IP =
"com.ldgforever.controlbywifi.receive_ip";
public static final String EXTRA_RECEIVE_PORT =
"com.ldgforever.controlbywifi.receive_port";
@Override
protected void onCreate(Bundle savedInstanceState){
super.onCreate(savedInstanceState);
setContentView(R.layout.light_control);
mIPAdress = getIntent().getStringExtra(EXTRA_RECEIVE_IP);
mPortNumber = Integer.parseInt(getIntent()
.getStringExtra(EXTRA_RECEIVE_PORT));
mBtnSend = (Button)findViewById(R.id.send_data);
mBtnSend.setOnClickListener(new OnClickListener() {
@Override
public void onClick(View v) {
// TODO Auto-generated method stub
SetOnClick();
}
});
}
private void SetOnClick()
{
// TODO Auto-generated method stub
try {
if(!TextUtils.isEmpty(mSendMsg))
SendMsg(ip,port,mSendMsg);
else
{
Toast.makeText(LightControlActivity.this,"msg is EMPTY!!", Toast.LENGTH_LONG).show();
}
} catch (UnknownHostException e) {
// TODO Auto-generated catch block
Toast.makeText(LightControlActivity.this,"!UnknownHostException!", Toast.LENGTH_LONG).show();
e.printStackTrace();
} catch (IOException e) {
// TODO Auto-generated catch block
Toast.makeText(LightControlActivity.this,"!IOException!", Toast.LENGTH_LONG).show();
e.printStackTrace();
}catch (Exception e) { //每次都断在这里
// TODO Auto-generated catch block
Log.e(TAG, "Exception");
Toast.makeText(LightControlActivity.this,"!Exception!", Toast.LENGTH_LONG).show();
e.printStackTrace();
}
}
public void SendMsg(String ip,int port,String msg) throws UnknownHostException, IOException
{
try
{
socket = new Socket();
socket=new Socket(ip,port);
PrintWriter writer = new PrintWriter(new BufferedWriter
(new OutputStreamWriter(socket.getOutputStream())));
// BufferedWriter writer=new BufferedWriter(new OutputStreamWriter
// (socket.getOutputStream()));
// writer.write(msg);
writer.println(msg);
writer.flush();
writer.close();
socket.close();
}
catch(UnknownHostException e)
{
Log.e(TAG, "UnknownHostException");
e.printStackTrace();
} catch (IOException e)
{
Log.e(TAG, "IOException");
e.printStackTrace();
}
}
}
是通过mainactivity打开这个activity 网络权限添加了 不知道为什么客户端单拿出来写一个edittext 和button的发送小程序就好使
