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;
        }  

    }

}