gamescreen.java

一个小程序,提供参考

import javax.microedition.lcdui.Graphics;
import javax.microedition.lcdui.game.GameCanvas;


public class GameScreen extends GameCanvas implements Runnable {

	protected GameScreen() {
		super(true);
		new Thread(this).start();
		// TODO 自动生成构造函数存根
	}
	public void run() {
		while(true){
			render();
			try{
				Thread.sleep(100);
			}catch (InterruptedException e){
				e.printStackTrace();
			}
		}
	}
	int x;
	public void render(){
		Graphics g=getGraphics();
		g.setColor(0xFFFFFF);
		g.fillRect(0,0,getWidth(), getHeight());
		g.setColor(0x000000);
		if(getKeyStates()==RIGHT_PRESSED)
			x++;
		g.fillRect(x,0,40,40);
		flushGraphics();
	}
	protected void keyPressed(int keyCode){
		System.out.println(keyCode);
	}

}