All 60 tasks, level by level

The real graded iOS Development tasks the portal assigns, grouped into three levels.

The portal assigns these iOS Development tasks. Finish Level 1 before Level 2 and Level 2 before Level 3. Your mentor may mark some tasks as required for the certificate.

Level 1: Foundations (24 tasks)

Task	What to do
Set up Xcode or a Swift playground	Install Xcode (or Swift Playgrounds / an online Swift compiler if you have no Mac) and run your first Swift program. Note your setup in a repo named ios-internship.
Swift basics	Write examples of let/var, optionals, if let, guard, structs, enums and closures.
Collections and functions	Use arrays, dictionaries and sets with map, filter and reduce to solve 5 small problems.
Structs vs classes	Explain value vs reference types with code that proves the difference.
Protocols	Define a protocol, make two types conform, and use it through a protocol type.
First SwiftUI view	Build a profile screen in SwiftUI with VStack, HStack, Image, Text and Button.
State in SwiftUI	Build a counter and a form using @State and @Binding.
Lists and navigation	Show a List of items and open a detail screen with NavigationStack.
Layout and modifiers	Recreate a real app's settings screen using spacing, padding, frames and modifiers.
Assets and dark mode	Add app icons, colours and images to the asset catalogue with dark mode variants.
Error handling	Use throws, do/try/catch and Result in a small parsing example.
Swift Package Manager	Add one Swift package dependency to a project and use it.
Swift generics	Write a generic stack and a generic function with constraints.
Extensions	Add useful extensions to String, Date and Array and test them.
Enums with associated values	Model network results and screen states with enums.
SwiftUI forms	Build a settings form with toggles, pickers and steppers.
Sheets and alerts	Present sheets, full-screen covers and alerts in the right situations.
Custom view modifiers	Write reusable view modifiers for card style and error banners.
SF Symbols	Use SF Symbols with rendering modes and variable colours.
Animations	Add implicit and explicit animations and a matched geometry effect.
Previews	Write previews for light, dark, large text and different devices.
Git for Xcode projects	Set up a .gitignore for Xcode and explain project file merge conflicts.
Localisation	Localise your app into an Indian language with a String Catalog.
App icon and launch screen	Add an app icon and a launch screen.

Level 2: Building real features (20 tasks)

Task	What to do
MVVM with ObservableObject	Move screen logic into a view model using @Observable or ObservableObject.
Networking with URLSession	Load JSON from a public API with async/await and Codable, with loading and error states.
Images from the network	Load remote images with AsyncImage, with placeholder and failure views.
Persistence	Save favourites with SwiftData or Core Data and show them on a separate tab.
User settings	Store preferences with @AppStorage and apply them across the app.
Tab bar app	Organise the app into three tabs with their own navigation.
Concurrency	Load two API calls in parallel with async let and explain actors and the main thread.
Unit tests	Write XCTest or Swift Testing tests for your view model and model parsing.
Permissions	Request photo library or location permission with a clear usage description.
Firebase or Sign in with Apple	Add sign-in with Firebase Authentication or Sign in with Apple.
Search and filtering	Add searchable lists with scopes and tokens.
Pagination	Load more items as the user scrolls a list.
Camera and photos	Pick and display photos with PhotosPicker.
MapKit	Show places on a map with annotations and user location.
Combine or async sequences	Debounce search input with Combine or AsyncSequence.
Dependency injection	Inject services into view models with protocols for testing.
Keychain	Store a login token securely in the Keychain.
Error handling UI	Show friendly network, server and empty states.
Analytics and crash reports	Add Firebase Analytics and Crashlytics (or a similar free tool).
Deep links	Open a specific screen from a URL scheme or universal link.

Level 3: Professional work and capstone (16 tasks)

Task	What to do
Offline support	Cache API data locally and show it when the network is off.
UI tests	Write XCUITest tests for your main user flow.
Performance with Instruments	Profile the app with Instruments, fix a slow view or memory issue and record the result.
Accessibility	Support Dynamic Type and VoiceOver labels, and test with VoiceOver on.
Push notifications	Set up local notifications (and remote ones if you have a developer account) that open the right screen.
Widgets	Build a home screen widget with WidgetKit showing data from your app.
Release preparation	Prepare an archive for TestFlight: signing, version numbers, privacy manifest and screenshots.
Capstone: complete iOS app	Ship a complete SwiftUI app (API, persistence, sign-in, tests, accessibility) with a README, screenshots and demo video.
Background tasks	Refresh data in the background with BackgroundTasks.
Swift Concurrency in depth	Use task groups, cancellation and MainActor correctly in a real feature.
App Intents and Shortcuts	Expose an app action to Siri and Shortcuts with App Intents.
`iPad and multitasking`	Make your app adapt to iPad with NavigationSplitView.
Privacy	Write a privacy manifest and App Store privacy labels for your app.
Performance	Fix list scrolling or image memory issues found with Instruments.
App Store listing	Prepare screenshots, description, keywords and review notes.
Capstone 2: app for a real user	Build an iOS app for a real user's need, test it with them through TestFlight (or on device) and document their feedback and your changes.

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