Androidandroid:name="android.permission.INTERNET"/>.
2.参照网上差到的资料做了,重定向:
客户端: socket = new Socket("10.0.2.2", 6100); 模拟器为emulator-5556
服务器:ServerSocket serivce = new ServerSocket(7100); 模拟器为emulator-554.
问题是:客户端能够连接上服务器,但是服务器无法accept,一直阻塞在这里:
客户端代码如下:
package com.example.cclient;
import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
import java.io.OutputStream;
import java.net.InetSocketAddress;
import java.net.Socket;
import java.net.SocketTimeoutException;
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.View;
import android.view.View.OnClickListener;
import android.widget.Button;
import android.widget.EditText;
import android.widget.TextView;
public class MainActivity extends Activity {
Socket socket = null;
String buffer = "";
TextView txt1;
Button send;
EditText ed1;
String geted1;
public Handler myHandler = new Handler() {
@Override
public void handleMessage(Message msg) {
if (msg.what == 0x11) {
Bundle bundle = msg.getData();
txt1.append("server:"+bundle.getString("msg")+"\n");
}
}
};
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
txt1 = (TextView) findViewById(R.id.txt1);
send = (Button) findViewById(R.id.send);
ed1 = (EditText) findViewById(R.id.ed1);
send.setOnClickListener(new OnClickListener() {
@Override
public void onClick(View v) {
geted1 = ed1.getText().toString();
txt1.append("client:"+geted1+"\n");
//启动线程 向服务器发送和接收信息
new MyThread(geted1).start();
}
});
}
class MyThread extends Thread {
public String txt1;
public MyThread(String str) {
txt1 = str;
}
@Override
public void run() {
//定义消息
Message msg = new Message();
msg.what = 0x11;
Bundle bundle = new Bundle();
bundle.clear();
try {
//连接服务器 并设置连接超时为5秒
socket = new Socket("10.0.2.2", 6100);
socket.setSoTimeout(10000);
// socket.connect(new InetSocketAddress("10.0.2.2", 6100), 5000);
Log.i("aaa", "client");
//获取输入输出流
OutputStream ou = socket.getOutputStream();
BufferedReader bff = new BufferedReader(new InputStreamReader(
socket.getInputStream()));
//读取发来服务器信息
String line = null;
buffer="";
while ((line = bff.readLine()) != null) {
buffer = line + buffer;
}
//向服务器发送信息
ou.write("android 客户端".getBytes("gbk"));
ou.flush();
bundle.putString("msg", buffer.toString());
msg.setData(bundle);
//发送消息 修改UI线程中的组件
myHandler.sendMessage(msg);
//关闭各种输入输出流
bff.close();
ou.close();
socket.close();
} catch (SocketTimeoutException aa) {
//连接超时 在UI界面显示消息
bundle.putString("msg", "服务器连接失败！请检查网络是否打开");
msg.setData(bundle);
//发送消息 修改UI线程中的组件
myHandler.sendMessage(msg);
} catch (IOException e) {
e.printStackTrace();
}
}
}
@Override
public boolean onCreateOptionsMenu(Menu menu) {
// Inflate the menu; this adds items to the action bar if it is present.
getMenuInflater().inflate(R.menu.main, menu);
return true;
}
}
服务器代码如下:
package com.example.server1;
import android.os.Bundle;
import android.app.Activity;
import android.util.Log;
import android.view.Menu;
import java.io.IOException;
import java.net.ServerSocket;
import java.net.Socket;
import java.util.ArrayList;
import java.util.List;
public class MainActivity extends Activity {
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
Log.i("aaa", "111111111111111");
try{
ServerSocket serivce = new ServerSocket(7100);
while (true) {
//等待客户端连接
Socket socket = serivce.accept();
Log.i("aaa", "222222222222222222");
new Thread(new AndroidRunable(socket)).start();
}
}catch (Exception e){
e.printStackTrace();
}
}
@Override
public boolean onCreateOptionsMenu(Menu menu) {
// Inflate the menu; this adds items to the action bar if it is present.
getMenuInflater().inflate(R.menu.main, menu);
return true;
}
}
import android.util.Log;
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.Socket;
public class AndroidRunable implements Runnable {
Socket socket = null;
public AndroidRunable(Socket socket) {
this.socket = socket;
}
@Override
public void run() {
// 向android客户端输出hello worild
String line = null;
InputStream input;
OutputStream output;
String str = "hello world!";
try {
//向客户端发送信息
output = socket.getOutputStream();
input = socket.getInputStream();
BufferedReader bff = new BufferedReader(
new InputStreamReader(input));
output.write(str.getBytes("gbk"));
output.flush();
//半关闭socket
socket.shutdownOutput();
//获取客户端的信息
while ((line = bff.readLine()) != null) {
System.out.print(line);
Log.i("aaa", line);
}
//关闭输入输出流
output.close();
bff.close();
input.close();
socket.close();
} catch (IOException e) {
e.printStackTrace();
}
}
}
