This repository contains a tiny app that allows users to pick a lesson from a list and watch it in the details view. The users also have the ability to download and watch the lessons offline.
- Implemented using SwiftUI
- Shows a title and a thumbnail image and name for each lesson
- List of lessons is fetched when opening the application (from URL or local cache when no connection).
- Implemented programmatically using UIKit
- Includes a "Download" button to start the download for offline viewing
- Includes a "Cancel download" button and a progress bar while the video is downloading
- Video is displayed in full screen when the app rotates to landscape.
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Unit and UI automated tests are written using XCTest. These tests cover important functionality of the app. MockURLSession and FakeUserDefaults created for testing purposes.