iOS10遇到的坑

1.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：
在info.plist添加一个值为string的键值对，

NSPhotoLibraryUsageDescription.jpeg