facecanvas.java

我做的手机游戏。有关宠物的

import java.io.IOException;

import javax.microedition.lcdui.game.*;
import javax.microedition.lcdui.*;
public class FaceCanvas extends GameCanvas implements Runnable, CommandListener{

    private Sprite spSpiral;    // 动画精灵
    private LayerManager lmgr;          // 图层管理器
    private boolean running = false; // 线程是否启动
    private FaceCanvas canvas;
    private Command back; 
   // private Image image;
    public FaceCanvas(Image image ){

        super(true);
        canvas=this;
        try {
        	///把要实现的表情或动作的图片添加到canvas里  就ok了！！
			FaceCanvas canvas = new FaceCanvas(Image.createImage("/gita.png"));
		} catch (IOException e) {
			// TODO 自动生成 catch 块
			e.printStackTrace();
		}
        back = new Command("返回", Command.BACK, 1);
        canvas.addCommand(back);
        canvas.setCommandListener(this);
        try{
            // 创建动画精灵
            spSpiral = new Sprite(image,120,160);
            lmgr = new LayerManager();
            lmgr.append(spSpiral);
        }catch (Exception e){
            System.out.println("Unable to read PNG image");
        }
    }
    /**//*--------------------------------------------------
    * 启动线程
    *-------------------------------------------------*/
    public void start(){
        running = true;
        Thread t = new Thread(this);
        t.start();
    }
    /**//*--------------------------------------------------
    * 主循环
    *-------------------------------------------------*/
    public void run(){
        Graphics g = getGraphics();
        while (running){
            // 刷新屏幕
            drawDisplay(g);
            try{
                Thread.sleep(700);
            } catch (InterruptedException ie) {
                System.out.println("Thread exception");
            }
        }
    }
    /**//*--------------------------------------------------
    * 刷新屏幕
    *-------------------------------------------------*/
    private void drawDisplay(Graphics g){
        // 显示下一帧精灵图像
        spSpiral.nextFrame();
        // 绘制图层
        lmgr.paint(g, 0, 0);
        // 将屏幕缓冲刷新到屏幕
        flushGraphics();
    }
    /**//*--------------------------------------------------
    * 停止线程
    *-------------------------------------------------*/

    public void commandAction(Command c, Displayable s){
        if (c == back){
////返回到进入表情动作的界面
        }
    }
}