Android PlayGame

PushBox
[3]接下来开发WelcomeViewDrawThread

package wyf.ytl;import android.graphics.Canvas;import android.view.SurfaceHolder;public class WelcomeViewDrawThread extends Thread{//private int sleepSpan = 200;//睡眠的毫秒数private int sleepSpan = 100;//睡眠的毫秒数private boolean flag = true;//循环标记位WelcomeView welcomeView;//欢迎界面的引用SurfaceHolder surfaceHolder = null;public WelcomeViewDrawThread(WelcomeView welcomeView,SurfaceHolder surfaceHolder){//构造器this.welcomeView = welcomeView;this.surfaceHolder = surfaceHolder;}public void run(){Canvas c;//画布while(flag){c = null;try {// 锁定整个画布，在内存要求比较高的情况下，建议参数不要为null    c = surfaceHolder.lockCanvas(null);    synchronized (this.surfaceHolder) {    try{    welcomeView.onDraw(c);    }    catch(Exception e){}    }} finally {    if (c != null) {    //更新屏幕显示内容        surfaceHolder.unlockCanvasAndPost(c);    }}try{Thread.sleep(sleepSpan);//睡眠sleepSpan毫秒}catch(Exception e){e.printStackTrace();}}}    public void setFlag(boolean flag) {//设置循环标记    this.flag = flag;    }}

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