example1.java

来自「Micro Window Toolkit(MWT)是一个用于开发J2ME用户界面」· Java 代码 · 共 72 行

package example;

/*
 * MWT - Micro Window Toolkit
 * Copyright (C) 2007 Lucas Domanico - [e-mail]
 * 
 * Licensed under the terms of the GNU Lesser General Public License:
 * 		http://www.opensource.org/licenses/lgpl-license.php
 * 
 * For further information visit:
 * 		http://j2me-mwt.sourceforge.net/
 */

import javax.microedition.lcdui.Canvas;
import javax.microedition.lcdui.Display;
import javax.microedition.lcdui.Graphics;
import javax.microedition.midlet.MIDlet;
import javax.microedition.midlet.MIDletStateChangeException;

import mwt.Label;
import mwt.Window;


// Hello World
//
class Canvas1 extends Canvas implements Runnable {
	Window win = new Window(0,0,getWidth(),getHeight()); // the main window object
	boolean exit; // setted to true to finish the application
	
	// notify input
	protected void keyPressed(int keyCode) 	{
		win.setKeyState(keyCode,Window.KEYSTATE_PRESSED,true);
		if(keyCode == KEY_NUM5) exit = true; // exit the application
	}
	protected void keyReleased(int keyCode) { win.setKeyState(keyCode,Window.KEYSTATE_RELEASED,true); }
	
	public Canvas1() {
		// create components
		win.add(new Label(10,10,60,20,"Hello World!"));
	}
	
	public void run() {
		while(!exit) { // main loop
			win.repeatKeys(true);
			repaint();
			serviceRepaints();
			try { Thread.sleep(1); }
			catch(Exception e) { e.printStackTrace(); }
		}
		Example1.instance.notifyDestroyed();
	}
	
	protected void paint(Graphics g) {
		g.setColor(0xFFFFFFFF);	// clear graphics
		g.fillRect(0,0,getWidth(),getHeight());
		win.paint(g); // and paint the window...
	}
}


public class Example1 extends MIDlet {
	static MIDlet instance;
	protected void startApp() throws MIDletStateChangeException {
		instance = this;
		Canvas1 c = new Canvas1();
		Display.getDisplay(this).setCurrent(c);
		new Thread(c).start();
	}
	protected void pauseApp() { }
	protected void destroyApp(boolean arg0) throws MIDletStateChangeException { }
}