敬业的IT人 >> 编程开发 >> Java >> 我的J2ME编程联系(3)——Gauge

我的J2ME编程联系(3)——Gauge

敬业的IT人 互联网 佚名 2008-5-16 21:32:37

/*
* gaugelet.java
*
* Created on 2005年4月15日, 下午5:19
*/

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

/**
*
* @author Administrator
* @version
*/
public class gaugelet extends MIDlet implements CommandListener{

private Gauge aGauge;
private Form aForm;
private Command exitCommand;
private Command okCommand;
private Display aDisplay;
private Alert anAlert;

public gaugelet(){

aForm=new Form("GaugeTest");
exitCommand=new Command("EXIT",Command.EXIT,1);
okCommand=new Command("OK",Command.OK,1);
aGauge=new Gauge("gaugedisplay",true,100,50);
anAlert=new Alert("Value",null,null,AlertType.INFO);

aForm.addCommand(exitCommand);
aForm.addCommand(okCommand);
aForm.append(aGauge);
aForm.setCommandListener(this);

}
public void startApp() {

aDisplay=Display.getDisplay(this);
aDisplay.setCurrent(aForm);
}

public void pauseApp() {
}

public void destroyApp(boolean unconditional) {
}

public void commandAction(Command c,Displayable d){

String s="The Value is ";
int i;

if(c==exitCommand){

destroyApp(false);
notifyDestroyed();
}

else{

i=aGauge.getValue();
s =Integer.toString(i);
anAlert.setString(s);
aDisplay.setCurrent(anAlert,aForm);


}
}
}


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