Android-SurfaceView示例

public class MySurfaceView extends SurfaceView implements SurfaceHolder.Callback {    /*         SurfaceView功能简述:        1.Provide a dedicated drawing surface embedded inside of a view hierarchy.        2.Provide a surface in which a secondary thread can render in to the screen.        SurfaceView注意事项:        1.All SurfaceView and SurfaceHolder.Callback methods will be called from the UI thread.               2.Drawing thread only touches the underlying Surface between SurfaceHolder.Callback.surfaceCreated()         and SurfaceHolder.Callback.surfaceDestroyed().    */    private SurfaceHolder holder;    private RenderThread renderThread; // 渲染绘制线程    private boolean isRender;          // 控制线程    public MySurfaceView(Context context) {        super(context);        holder = this.getHolder();        holder.addCallback(this);        renderThread = new RenderThread();    }    @Override    public void surfaceCreated(SurfaceHolder holder) {        isRender = true;        renderThread.start();    }    @Override    public void surfaceChanged(SurfaceHolder holder, int format, int width, int height) {    }    @Override    public void surfaceDestroyed(SurfaceHolder holder) {        isRender = false;    }    private class RenderThread extends Thread {        @Override        public void run() {            // 死循环绘制线程            while (isRender) {                long startTime = System.currentTimeMillis();                Canvas canvas = null;                try {                    // 1.锁定Canvas                    canvas = holder.lockCanvas();                    // 2.通过Canvas绘制图形                    canvas.drawXX(...);                } catch (Exception e) {                    // 3.捕获异常,防止异常导致Canvas没有解锁                                      e.printStackTrace();                } finally {                    // 4.解锁Canvas,把图形更新到屏幕                    if (canvas != null)                        holder.unlockCanvasAndPost(canvas);                }                long endTime = System.currentTimeMillis();                // 性能评定: 每秒绘制次数(帧率FPS), 动画流畅：FPS>=30                int fps = 1000/(endTime-startTime)             }        }    }}

简书: http://www.jianshu.com/p/65313d111a9f
CSDN博客: http://blog.csdn.net/qq_32115439/article/details/76223216
GitHub博客: http://lioil.win/2017/07/27/Android-SurfaceView.html
Coding博客: http://c.lioil.win/2017/07/27/Android-SurfaceView.html

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