📄 alertdemo.java
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import javax.microedition.midlet.MIDlet;
import javax.microedition.lcdui.*;
public class AlertDemo extends MIDlet
{
private Display display;
public AlertDemo(){
}
public void startApp(){
display=Display.getDisplay(this);
TextBox t=new TextBox("Alert Demo","screen",20,0);
display.setCurrent(t);
//创建Alert对象
Alert a=new Alert("Alert Title","Alert Text",null,AlertType.INFO);
//设置Alert的停留时间
a.setTimeout(5000);
//将当前屏幕设置为Alert
display.setCurrent(a);
}
public void pauseApp(){
}
public void destroyApp(boolean unconditional){
}
}
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