pictureshowmidlet.java

J2ME显示图片！利用一个简单的MIDlet就可以控制画布。

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


public class PictureShowMIDlet extends MIDlet implements CommandListener {
	private Display display;
	public PictureShowMIDlet() {
		super();
	}

	protected void destroyApp(boolean arg0) throws MIDletStateChangeException {

	}

	protected void pauseApp() {
	}

	protected void startApp() throws MIDletStateChangeException {
		display = Display.getDisplay(this);
		PictureCanvas pc = new PictureCanvas();
		Command a = new Command("退出",Command.EXIT,1);
		pc.addCommand(a);
		pc.setCommandListener(this);
		pc.setFullScreenMode(true); 
		display.setCurrent(pc);
	}
	public void commandAction(Command c,Displayable s) {
		String cmd = c.getLabel();
		if(cmd.equals("退出")){
			try { 
				destroyApp(false); 
			} 
			catch(Exception e){e.printStackTrace();
    		}
			notifyDestroyed(); 
		}
	}
}