SurfaceView游戏框架--android开发

案例功能，点击界面图片跟随变化

自定义surfaceiew

  1 package caicai.animation;
  2 
  3 import android.R.color;
  4 import android.content.Context;
  5 import android.graphics.Bitmap;
  6 import android.graphics.BitmapFactory;
  7 import android.graphics.Canvas;
  8 import android.graphics.Color;
  9 import android.graphics.Paint;
 10 import android.util.Log;
 11 import android.view.MotionEvent;
 12 import android.view.SurfaceHolder;
 13 import android.view.SurfaceHolder.Callback;
 14 import android.view.SurfaceView;
 15 
 16 public class MySurfaceView extends SurfaceView implements Callback, Runnable {
 17     private Paint paint;// 画布
 18     private SurfaceHolder sfh; // 用于控制SurfaceView
 19     private Canvas canvas;// 画布
 20     private boolean flag;// 关闭线程标志
 21     private Thread th;// 新建线程
 22     private int x = 0, y = 0;// 图片坐标
 23     private Bitmap bitmap;// 图片资源
 24 
 25     public MySurfaceView(Context context) {
 26         super(context);
 27         sfh = this.getHolder();// 实例SurfaceHolder
 28         sfh.addCallback(this);// 为SurfaceView添加状态监听
 29         bitmap = BitmapFactory.decodeResource(getResources(), R.drawable.tanke);//实例化图片
 30         paint = new Paint();//实例一个画笔
 31         paint.setColor(Color.WHITE);//设置画笔颜色为白色
 32         setFocusable(true);//设置焦点
 33     }
 34 
 35     @Override
 36     public void surfaceCreated(SurfaceHolder holder) {
 37         flag = true;
 38         //实例线程
 39         th = new Thread(this);
 40         //启动线程
 41         th.start();
 42     }
 43 
 44     public void mydraw() {
 45         try {
 46             canvas = sfh.lockCanvas();//锁定画布
 47             if (canvas != null) {
 48                 canvas.drawRGB(0, 0, 0);//刷屏，或者叫重置画布
 49                 canvas.drawBitmap(bitmap, x, y, paint);//绘图
 50             } else {
 51                 Log.i("tt", "获取不到画布");//释放画布
 52             }
 53         } catch (Exception e) {
 54 
 55         } finally {
 56             if (canvas != null)
 57                 sfh.unlockCanvasAndPost(canvas);
 58         }
 59     }
 60     /**
 61      * SurfaceView视图状态发生改变，响应此函数
 62      */
 63     @Override
 64     public void surfaceChanged(SurfaceHolder holder, int format, int width,
 65             int height) {
 66         // TODO Auto-generated method stub
 67 
 68     }
 69     /**
 70      * SurfaceView视图消亡时，响应此函数
 71      */
 72     @Override
 73     public void surfaceDestroyed(SurfaceHolder holder) {
 74         flag = false;//结束游戏，设置线程关闭标志为false
 75 
 76     }
 77 
 78     public void logic() {
 79 
 80     };
 81 
 82     @Override
 83     public void run() {
 84         while (flag) {
 85             long start = System.currentTimeMillis();
 86             mydraw();
 87             logic();
 88             long end = System.currentTimeMillis();
 89             try {
 90                 if (end - start < 50) {
 91                     Thread.sleep(50 - (end - start));
 92                 }
 93             } catch (InterruptedException e) {
 94                 e.printStackTrace();
 95             }
 96         }
 97     }
 98     //获取点击坐标
 99     @Override
100     public boolean onTouchEvent(MotionEvent event) {
101         x = (int) event.getX();
102         y = (int) event.getY();
103         return true;
104     }
105 
106 }

MySurfaceView

新建主界面

 1 package com.gsf;
 2 
 3 import android.app.Activity;
 4 import android.os.Bundle;
 5 import android.view.Window;
 6 import android.view.WindowManager;
 7 
 8 public class MainActivity extends Activity {
 9     @Override
10     public void onCreate(Bundle savedInstanceState) {
11         super.onCreate(savedInstanceState);
12         //设置全屏
13         this.getWindow().setFlags(WindowManager.LayoutParams.FLAG_FULLSCREEN, WindowManager.LayoutParams.FLAG_FULLSCREEN);
14         requestWindowFeature(Window.FEATURE_NO_TITLE);
15         //显示自定义的SurfaceView视图
16         setContentView(new MySurfaceView(this));
17     }
18 }

MainActivity

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