Android库. 1 UDP客户端

package com.qinxiaoyu.lib.transmit.net.udp;

import java.net.DatagramPacket;
import java.net.DatagramSocket;
import java.net.InetAddress;
import java.net.SocketException;
import com.qinxiaoyu.lib.Debug;

public class UdpClient {

private static final String tag = "UdpClient";
private static void debug(String msg)
{
if(Debug.debugTransimtNetUdpUdpClient)
Debug.debugx(tag, msg);
}

public static void send(String ip,int port,byte[] data) throws Exception
{
DatagramSocket socket = new DatagramSocket();
DatagramPacket packet = new DatagramPacket(data, data.length,InetAddress.getByName(ip), port);
socket.send(packet);
socket.close();
}
/**
* 通过udp将一串数据发送至指定ip地址的指定端口<hr>
* @author    秦晓宇
* @date      2015年2月27日
* @param ip    -发送方的ip地址
* @param port  -对方的接收端口
* @param data  -发送的数据
* @return
*          -发送成功则返回true<br>
*          -发送失败返回false。
*/
public static boolean send(String ip,int port,String data) // throws Exception
{
DatagramSocket socket;
try
{
debug("send");
socket = new DatagramSocket();
byte buffer[] = data.getBytes();
DatagramPacket packet = new DatagramPacket(buffer, buffer.length,InetAddress.getByName(ip),port);
socket.send(packet);
socket.close();
return true;
}
catch (SocketException e)
{
// TODO Auto-generated catch block
debug("SocketException");
e.printStackTrace();
return false;
} catch (Exception e)
{
// TODO Auto-generated catch block
debug("Exception");
e.printStackTrace();
return false;
}

}

}