13. Persistence and Documents
Paul Hegarty continues his demo of Emoji Art where he implements UITextField to add more Emoji. He then introduces persistence.
14. Persistence and Documents Demo
Paul Hegarty extends his coverage of Documents. He then does a demonstration of using Codable to create a JSON representation, storing it in the filesystem then letting UIDocument store it instead, and then using UIDocumentBrowserViewController to choose/create/rename/move documents.
15. Alerts, Notifications, Application Lifecycle
Paul Hegarty covers alerts and action sheets, notifications and KVO, and the application lifecycle.
16. More Segues
Paul Hegarty talks about modal, popover, unwind, and embed segues.
17. Core Motion and Camera
Paul Hegarty introduces Core Motion – detecting the position and movement of the device – and then does a demo with Gravity-Driven Playing Card. He then covers taking pictures within your app.