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; i++) {

            fishBmp[i] = BitmapFactory.decodeResource(this.getResources(), R.drawable.fish0+ i);

        }

    }

    /**

     * SurfaceView视图创建，响应此函数

     */

    @Override

    public void surfaceCreated(SurfaceHolder holder) {

        screenW = this.getWidth();

        screenH = this.getHeight();

        flag = true;

        //实例线程

        th = new Thread(this);

        //启动线程

        th.start();

    }

    /**

     * 游戏绘图

     */

    public void myDraw() {

        try {

            canvas = sfh.lockCanvas();

            if (canvas != null) {

                canvas.drawColor(Color.WHITE);

                canvas.drawBitmap(fishBmp[currentFrame], 0, 0, paint);

            }

        } catch (Exception e) {

            // TODO: handle exception

        } finally {

            if (canvas != null)

                sfh.unlockCanvasAndPost(canvas);

        }

    }

    /**

     * 触屏事件监听

     */

    @Override

    public boolean onTouchEvent(MotionEvent event) {

        return true;

    }

    /**

     * 按键事件监听

     */

    @Override

    public boolean onKeyDown(int keyCode, KeyEvent event) {

        return super.onKeyDown(keyCode, event);

    }

    /**

     * 游戏逻辑

     */

    private void logic() {

        currentFrame++;

        if (currentFrame >= 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;

    }

}

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));

    }

}