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POSurfaceView did not draw border
 

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    <p>I have an android application showing coverflow animation.I want to use view extending surfaceview inside coverflow.But this code did not show anything.</p> <pre><code>public class CoverFlowView extends SurfaceView implements Callback { public CoverFlowView(Context context) { super(context); } public CoverFlowView(Context context, AttributeSet attrs, int defStyle) { super(context, attrs, defStyle); } public CoverFlowView(Context context, AttributeSet attrs) { super(context, attrs); } public void surfaceChanged(SurfaceHolder holder, int format, int width, int height) { } public void surfaceCreated(SurfaceHolder holder) { MyThread myThread = new MyThread(holder); myThread.setFlag(true); myThread.start(); } public void surfaceDestroyed(SurfaceHolder holder) { } @Override protected void onDraw(Canvas canvas) { super.onDraw(canvas); Paint borderPaint = new Paint(); borderPaint.setARGB(255, 255, 128, 0); borderPaint.setStyle(Paint.Style.STROKE); borderPaint.setStrokeWidth(4); canvas.drawRect(0, 0, getWidth() - 1, getHeight() - 1, borderPaint); } class MyThread extends Thread { boolean flag; SurfaceHolder myHolder; public MyThread(SurfaceHolder holder) { myHolder = holder; } public void setFlag(boolean myFlag) { flag = myFlag; } public void run() { Canvas canvas = null; while (flag) { try { canvas = myHolder.lockCanvas(); synchronized (myHolder) { invalidate(); } } finally { if (canvas != null) { myHolder.unlockCanvasAndPost(canvas); } } } } } } </code></pre> <p>What is the problem here?I am new with Surfaceview.</p> <p>Thanks in advance.</p>
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    1. USAsha Soman
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