even if the chessboard finder is not invoked but the projected corners are passed directly to the calibration procedure (with very very little noise added). Possible reason is that when most of the board views are somewhere in the image center rather than near the border, those...
在SurfaceHolder.Callback.surfaceCreated() 方法和 SurfaceHolder.Callback.surfaceDestroyed()方法之间是有效的期间,你必须确保绘图线程只和使用的SurfaceView有联系。 注意:从android7.0开始,SurfaceView的窗口位置与其他视图呈现同步更新。这意味着在屏幕上平移和缩放一个SurfaceView将不会导致呈现工件 protected的方法 <2> ...