综合网上的各种解释，自己写了一些关于图片的旋转和放缩的代码，在屏幕上铺52张纸牌，并实现个别纸牌的旋转和放缩，仅供参考，很典型-Comprehensive online various interpretations, to write something about the image rotation and scaling of the code card 52 in the upper screen, and realize the individual cards in the rot

android转屏测试。在做JNI的时候，JNI画出的屏幕在旋转时候容易黑屏-android turn screen test. When do JNI JNI draw easy black screen rotation when