This is a photo app copy cat demoing how to use PhotoKit.
- Check for Photo Library Authorization
- Fetch AssetCollections and PHAssets from PHPhotoLibrary
- Listen for PHPhotoLibrary changes
- Image Caching
- Display thumbnail images for assets fetched
- Display the Asset itself we have fetched. That is images, videos, and etc.
- Create new PHAssets from Data, AVAssets and save it to PhotoLibrary.
- Delete PHAssets
- Modify PHAsset property
- Modify PHAsset content