问题：“This app has crashed because it attempted to access privacy-sensitive data without a usage description. The app's Info.plist must contain an NSPhotoLibraryUsageDescription key with a string value explaining to the user how the app uses this data.”
解决方式：在info.plist中添加，即在Information Property List后点选加号➕
相机权限
key输入：NSCameraUsageDescription
value输入：cameraDesciption （注：此为字符串类型，String）
相册权限
key输入：NSPhotoLibraryUsageDescription
value输入：photoLibraryDesciption （注：此为字符串类型，String）
以下是添加完成后的效果
