textboxtickermidlet.java

来自「<j2me 开发精解> 詹建光著 里所有的源码。对J2me的开发相当」· Java 代码 · 共 30 行

package com.j2medev.sample.chapter3;

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

public class TextBoxTickerMidlet extends MIDlet {
    
    //根据构造函数创建一个TextBox实例
    private TextBox textBox = new TextBox("UIDemo", "TextBox和Ticker结合实例", 1024, TextField.ANY);
    private Display display = null;
    
    public void startApp() {
        if(display==null) {
            //创建ticker,并为TextBox设置ticker
            Ticker ticker = new Ticker("欢迎访问J2ME开发网");
            textBox.setTicker(ticker);
            display = Display.getDisplay(this);
            display.setCurrent(textBox);
        }else{
            display.setCurrent(textBox);
        }
    }
    
    public void pauseApp() {
    }
    
    public void destroyApp(boolean unconditional) {
    }
}