datagramclient.java

来自「< JAVA ME 手机应用开发技术与案例详解>>一书中关于M」· Java 代码 · 共 37 行

package com.wy.ch11;

import javax.microedition.midlet.*;
import javax.microedition.lcdui.*;
import javax.microedition.io.*;

public class DatagramClient extends MIDlet implements CommandListener{
    private Display display;
    private Form f;
    private TextField tf;
    private Command command;
    public DatagramClient(){
        display = Display.getDisplay(this);
        f = new Form("datagram client测试");
        command = new Command("发送",Command.ITEM,1);
        f.addCommand(command);
        f.setCommandListener(this);
        tf = new TextField("请输入文字:",null,10,TextField.ANY);
        f.append(tf);
    }
    
    public void startApp() {
        display.setCurrent(f);
    }
    
    public void commandAction(Command command, Displayable displayable) {
        new DatagramThread(tf.getString()).start();
    }
    
    public void pauseApp() {
    }
    
    public void destroyApp(boolean unconditional) {
    }
    
}