Learn to navigate within the iOS application. Users can push, show, present a new screen. Once users complete the activity, they can pop, dismiss, hide the screen.

Need to show 1000 photos inside a scrollable grid? Collection view can help with it. Learn how to implement reusable cells and make the scrolling experience smooth & interactive.

Make your app animated. Add smooth transitions, present alerts, pop-ups with amazing effects.

Core Animation provides high frame rates and smooth animations without slowing down your app. Most of the work required to draw each frame of an animation is done for you. You configure animation parameters such as the start and endpoints, and Core Animation does the rest.

Learn to work with the network layer and its components. Transfer data over HTTPS protocol with JSON format. Learn about REST API, and common API request types: GET, POST, PUT, DELETE.

Handle errors when something goes wrong. Show error messages to users, and implement ‘retry’ logic.

Use Core Data to save your application’s permanent data for offline use, to cache temporary data, and to add undo functionality to your app on a single device.

Through Core Data’s Data Model editor, you define your data’s types and relationships, and generate respective class definitions.

Synchronization is a fundamental element of software development. It takes many forms, like checking the timestamp of the last received data from the webserver and pulling only the latest information. Synchronization in all modern apps, where user data is synchronized across multiple devices & platforms.

Learn about advanced mobile architectures: MVVM, MVP, VIPER. Learn the advantages & disadvantages of each pattern and select the most applicable to your project.

Explore design patterns that might be useful like mediator, factory, chain-of-responsibility, router, and coordinator.

Cover your application code with meaningful unit tests. Run checks before each release to the wide-range audience. It saves time on manual testing and ensures application quality.

• Fake interactions with library or system objects by using stubs and mocks
• Test UI and performance
• Use the code coverage tool.

You are ready to deploy your first application to the Apple Store. Congrats! But first, present it to your class mattes and do group beta testing.
Explore the latest trends in iOS development. Experiment with SwiftUI, Combine, Package Manager, and other cool tools provided by Apple.