Blocks is a document-based iOS app in which users add, remove and modify colorful blocks. It serves to demonstrate platform features such as UIDocument. Requires iOS 13.
- Uses
UIDocumentBrowserViewController- Supports transition through
UIDocumentBrowserTransitionController
- Supports transition through
- Support for multiple windows (
UIScene)- Opening the same document in multiple windows is supported. Any edits are reflected in all windows thanks to notification-based view updates.
- Scene based state restoration
- Document format
- Uses Swift Codable to encode data into JSON
- Utilizes data compression introduced in iOS 13 (Foundation)
- Supports automatic conflict resolution through a pseudo-CRDT document format.
- Remote updates are reflected in an open document through diffing.
- Undo/redo support
- Thumbnail extension