iOS Development

This article lists the information needed to develop iOS apps. The intended reader is mainly myself after not writing apps for a few months and forgetting how to do it—especially forgetting how to implement specific features.

Core

Swift

• Custom Error Types in Swift
• Swift async/await

SwiftUI

• State Management in SwiftUI

Unit Testing

• Unit Testing a SwiftUI App

Images

• Pick a Photo from the Photo Library

Data Persistence

• Local Database with Core Data

Connecting to Backend Services

• Connect to an HTTP Server

Building

• Build an iOS App and Upload to TestFlight

Learn As Needed

Images

• Pick a Photo from the Photo Library
• Capture a Photo with the Camera
• Save a Photo to the Photo Library

Speech to Text

• Speech Recognition in SwiftUI

In-App Purchases

• Test Subscription Feature in an iOS App