votermidlet.java

手机程序在线投票的例子

package com.itpath.examples.voter;

import com.itpath.examples.voter.intf.*;
import com.itpath.examples.voter.util.*;
import com.itpath.examples.voter.ui.*;

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

public class VoterMidlet extends MIDlet implements ScreenCallback
{
    private Display _display;

    // midlet has three screens
    private VoteResults voteResults = new VoteResults( (ScreenCallback) this);

    public VoterMidlet()
    {
        _display = Display.getDisplay(this);
		_display.setCurrent(voteResults);
    }

    public void exit()
    {
		try
		{
			this.destroyApp(true);

		} catch (MIDletStateChangeException e)
		{}
	}

    public void startApp() throws MIDletStateChangeException
    {
    }

    public void pauseApp()
    {
    }

    public void destroyApp(boolean unconditional) throws MIDletStateChangeException
    {
		notifyDestroyed();
    }
}