gaugedemo_1.java

《精通JAVA手机游戏与应用程序设计》随书光盘

//gaugeDemo.java file
import javax.microedition.lcdui.*;
import javax.microedition.midlet.*;

public class gaugeDemo_1 extends MIDlet implements CommandListener 
{
    private Command exitCommand;
    private Form mainform;
    public gaugeDemo_1()
    {
        exitCommand =new Command("Exit",Command.EXIT,1);
        mainform = new Form("gauge实例");
        
        mainform.addCommand(exitCommand);        
        mainform.setCommandListener(this);
        
        mainform.append(new Gauge("Interactive为用户可以调整",true,10 ,3 ));
        mainform.append(new Gauge("nonInteractive为用户不可以调整",false,10 ,5));   
        
        mainform.get(0).setLayout(Item.LAYOUT_EXPAND|Item.LAYOUT_NEWLINE_AFTER);
        mainform.get(1).setLayout(Item.LAYOUT_EXPAND|Item.LAYOUT_NEWLINE_AFTER);
        
    }
    protected void startApp(  ) throws MIDletStateChangeException
    {
        Display.getDisplay(this).setCurrent(mainform);
    }

    protected void pauseApp(  )
    {
    }

    protected void destroyApp( boolean p1 )
    {
    }

    public void commandAction(Command c,Displayable d)
    {
        if (c ==exitCommand)
        {
            destroyApp(false);
            notifyDestroyed();
        }
    }
}