我收到一个IllegalStateException:underflowinrestore异常，这导致我的应用程序崩溃。这在android4.3更新后开始发生。在android3.0-4.2.x上运行良好。第二次发生异常canvas.restore();下面是我的绘图代码privatevoiddoDraw(Canvascanvas){if(mTickerBackGround!=null&&(!mTickerBackGround.isRecycled())){canvas.drawBitmap(mTickerBackGround,0,0,null);}if((mBitMapBuffer!