安卓socket连接测试
初学这个程序为何会崩
安卓端:
package com.example.client;
import java.io.IOException;
import java.net.Socket;
import java.net.UnknownHostException;
import android.os.Bundle;
import android.app.Activity;
import android.view.Menu;
public class MainActivity extends Activity
{
@Override
protected void onCreate(Bundle savedInstanceState)
{
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
try
{
Socket client = new Socket("192.168.1.100", 30000);
} catch (UnknownHostException e)
{
// TODO Auto-generated catch block
e.printStackTrace();
} catch (IOException e)
{
// TODO Auto-generated catch block
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.activity_main, menu);
return true;
}
}
电脑端:
import java.io.IOException;--------------------编程问答-------------------- 第一你加网络限权没有?
import java.net.ServerSocket;
public class Server
{
/**
* @param args
* @throws IOException
*/
public static void main(String[] args) throws IOException
{
// TODO Auto-generated method stub
ServerSocket server = new ServerSocket(30000);
while(true)
{
System.out.println("waiting client!!!");
server.accept();
System.out.println("client has been linked!!!");
}
}
}
<uses-permission android:name="android.permission.INTERNET"></uses-permission>
第二你是不是用4.0以上机子测试的?
你开一个线程把 Socket client = new Socket("192.168.1.100", 30000);放进去
因为4.0及其以上版本,主线程不允许访问网络。。。 --------------------编程问答--------------------
权限加了
是用4.2的机子。。。。。
补充:移动开发 , Android