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;        }      }}
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