支持调用后置摄像头录制视频，找了很多例子，都不能运行，不知道是我人品问题还是咋的，总算自己搞出来了，分享一下。附件是调用后置摄像头录制视频的完整代码，大家可以看看吧。-Support call rear camera recording video, to find a lot of examples, can not run, do not know my character is still a problem, and finally made it out, and share. Ann