DrawableAnimation帧动画

package com.fm;import android.content.Context;import android.graphics.Bitmap;import android.graphics.BitmapFactory;import android.graphics.Canvas;import android.graphics.Color;import android.graphics.Paint;import android.util.Log;import android.view.KeyEvent;import android.view.MotionEvent;import android.view.SurfaceHolder;import android.view.SurfaceView;import android.view.SurfaceHolder.Callback;public class MySurfaceView extends SurfaceView implements Callback, Runnable {    private SurfaceHolder sfh;    private Paint paint;    private Thread th;    private boolean flag;    private Canvas canvas;    private int screenW, screenH;    //首先声明十个容量的位图数组    private Bitmap fishBmp[] = new Bitmap[10];    //记录当前播放帧    private int currentFrame;    //    /**     * SurfaceView初始化函数     */    public MySurfaceView(Context context) {        super(context);        sfh = this.getHolder();        sfh.addCallback(this);        paint = new Paint();        paint.setColor(Color.WHITE);        paint.setAntiAlias(true);        setFocusable(true);        //将每张小鱼帧图生成位图存入小鱼帧数组中        for (int i = 0; i = fishBmp.length) {            currentFrame = 0;        }    }    @Override    public void run() {        while (flag) {            long start = System.currentTimeMillis();            myDraw();            logic();            long end = System.currentTimeMillis();            try {                if (end - start <50) {                    Thread.sleep(50 - (end - start));                }            } catch (InterruptedException e) {                e.printStackTrace();            }        }    }    /**     * SurfaceView视图状态发生改变，响应此函数     */    @Override    public void surfaceChanged(SurfaceHolder holder, int format, int width, int height) {    }    /**     * SurfaceView视图消亡时，响应此函数     */    @Override    public void surfaceDestroyed(SurfaceHolder holder) {        flag = false;    }}

MainActivity类：

package com.fm;import android.app.Activity;import android.os.Bundle;import android.view.Window;import android.view.WindowManager;public class MainActivity extends Activity {    @Override    public void onCreate(Bundle savedInstanceState) {        super.onCreate(savedInstanceState);        //设置全屏        this.getWindow().setFlags(WindowManager.LayoutParams.FLAG_FULLSCREEN, WindowManager.LayoutParams.FLAG_FULLSCREEN);        requestWindowFeature(Window.FEATURE_NO_TITLE);        //显示自定义的SurfaceView视图        setContentView(new MySurfaceView(this));    }}