Posts tagged with: Dependency Injection

2 posts found

All Development AI Apple Vibe Coding SwiftUI Announcements

Colorful electrical wires and cables neatly arranged — red, yellow, blue, and green — representing connections and dependencies.

Dependency Injection in Swift Without a Framework

Day 19 of the 30-day iOS series. Protocol-based DI, @Environment as a SwiftUI-native container, and the factory pattern — all without Resolver, Swinject, or any third-party glue. Includes a TDD example that shows why DI and testability are the same conversation.

June 18, 2026 11 min read

An open notebook with the word 'Notes' handwritten and underlined, a fountain pen resting on the page, reading glasses blurred behind it — the raw input a summarizer turns into one clean line.

Swift SwiftUI

Foundation Models: Your First On-Device AI Feature With No Backend, No API Key, No Bill

Day 8 of the 30-day iOS series, and the start of AI week. The Foundation Models framework runs a real language model entirely on the phone — free, private, offline. We build the smallest thing that works: summarize a block of text in three lines, handle the availability cases that bite in production, wire it into a real app, and put a TDD seam around the part that isn't the model. Code-along, with tests.

June 7, 2026 12 min read