android编程3:socket编程之udp发送
来源:互联网 发布:对大数据的理解和认识 编辑:程序博客网 时间:2024/06/07 13:56
本文博客链接:http://blog.csdn.net/jdh99,作者:jdh,转载请注明.
需要实现的功能:采用udp下的socket编程,当按下确认键,模拟器发送文本框数据,pc机上的网络调试助手接收
环境:win7 + eclipse + sdk
代码:
package test.soket;//import com.test_button.R;import java.io.DataOutputStream;import java.io.IOException;import java.net.DatagramPacket;import java.net.DatagramSocket;import java.net.InetAddress;import java.net.Socket;import java.net.SocketException;import java.net.UnknownHostException;import android.app.Activity;import android.os.Bundle;import android.view.View;import android.widget.Button;import android.widget.TextView;public class test_socket extends Activity {public static TextView show;public static Button press;public static boolean flag; private static final int MAX_DATA_PACKET_LENGTH = 40; private byte[] buffer = new byte[MAX_DATA_PACKET_LENGTH]; private DatagramPacket dataPacket; private DatagramSocket udpSocket; /** Called when the activity is first created. */ @Override public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.main); //开辟控件空间 show = (TextView)findViewById(R.id.editText1); press = (Button)findViewById(R.id.button1); flag = false; //soket_send thread = new soket_send(); //thread.init(); //thread.start(); try { udpSocket = new DatagramSocket(5554); } catch (SocketException e) { // TODO Auto-generated catch block e.printStackTrace(); } dataPacket = new DatagramPacket(buffer, MAX_DATA_PACKET_LENGTH); String str = "hello,jdh"; //这是要传输的数据byte out [] = str.getBytes(); //把传输内容分解成字节 dataPacket.setData(out); dataPacket.setLength(out.length); dataPacket.setPort(5554); try { InetAddress broadcastAddr = InetAddress.getByName("192.168.0.248"); dataPacket.setAddress(broadcastAddr); udpSocket.send(dataPacket); } catch (IOException e) { // TODO Auto-generated catch block e.printStackTrace(); } press.setOnClickListener(new Button.OnClickListener() { @Override public void onClick(View v) { flag = true; /* String str = "hello,jdh"; //这是要传输的数据 byte out [] = str.getBytes(); //把传输内容分解成字节 dataPacket.setData(out); dataPacket.setLength(out.length); */ //获得输入框文本 CharSequence str =test_socket.show.getText(); byte out[] = str.toString().getBytes(); dataPacket.setData(out); dataPacket.setLength(out.length); try { InetAddress broadcastAddr = InetAddress.getByName("192.168.0.248"); dataPacket.setAddress(broadcastAddr); udpSocket.send(dataPacket); } catch (IOException e) { // TODO Auto-generated catch block e.printStackTrace(); } } }); }}界面:
注意:在模拟器IP为本机IP,端口为模拟器名称
- android编程3:socket编程之udp发送
- socket编程之udp发送 .
- Socket编程之UDP发送、接收编程
- Android 开发技巧之Log发送UDP报文,Socket编程
- android 之 socket编程(TCP&UDP)
- 3socket编程:UDP编程
- linux socket UDP编程发送广播
- linux socket UDP编程发送广播
- java-----Socket编程之UDP
- C# Socket编程之UDP
- Linux 编程之 【socket】 udp
- 十、Socket之UDP编程
- 计算机网络socket编程之UDP
- 网络编程之udp socket
- Linux之UDP SOCKET 编程
- UDP之socket编程实例
- python的socket编程之udp编程
- Android之UDP编程
- 动态循环给onclick赋值(解决闭包问题)
- AutoCompleteExtender的使用 滚动条 样式
- pdf文件怎么打开
- svn 外网服务器
- Qt之QPushButton类
- android编程3:socket编程之udp发送
- Extjs 查询出用户,实现增删改查功能 (重点在于查询后替换和分页问题)
- iBatis批处理实现(Spring环境)
- JAVA 1.5 最全的各个版本的JDK,里面当然也包含对应的源代码了,在要求小版匹配时尤其重要.
- IronPython Studio安装
- wince6.0驱动开发(转摘)
- Android开发之Android体系架构介绍
- 自定义菜单样式
- 银行印鉴