midp1eventstand_midlet.java

来自「MIDP1.0标准按键测试 MIDP1.0标准按键测试 MIDP1.0标准按键测」· Java 代码 · 共 78 行

/*
 *MIDP1.0标准按键测试
 *MIDP1EventStand_MIDlet.java
 *Editer:Jinlong He
 *Date:2008-01-24
 */
 import javax.microedition.lcdui.*;
 import javax.microedition.midlet.*;
 
 public class MIDP1EventStand_MIDlet extends MIDlet implements CommandListener{
 	
 	private Display display;
 	private MIDP1EventStand_Canvas chooser;
 	private Command exitCommand = new Command("退出",Command.EXIT,1);
 	
 	/*
 	 *1.构造器
 	 *
 	 */
 	public MIDP1EventStand_MIDlet(){
 		display = Display.getDisplay(this);
 		chooser = new MIDP1EventStand_Canvas();
 		display.setCurrent(chooser);
 		chooser.addCommand(exitCommand);
 		chooser.setCommandListener(this);
 		
 	}
 	
 	
 	/*
 	 *2.启动应用
 	 *
 	 */
	public void startApp() throws MIDletStateChangeException{
		
	}
	
	
	/*
 	 *3.挂起应用
 	 *
 	 */ 	
 	public void pauseApp(){
 	 	
 	 }
 	 
 	/*
 	 *4.撤消应用
 	 *
 	 */
 	public void destroyApp(boolean unconditional) throws MIDletStateChangeException{
 		
 	}
 	
 	 
 	
 	
 	/*
 	 *
 	 *5.响应按钮事件
 	 *
 	 */
	public void commandAction(Command c,Displayable s){
		if(c==exitCommand){
			try{
				destroyApp(true);
			}catch(Exception e){
			
			}
			this.notifyDestroyed();
		}
		
	} 
 	 
 	 
 	 
 }