InfoQ Homepage iOS Content on InfoQ
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Swift OpenAPI Generator Aims at Streamlining HTTP Client/Server Communication
Apple has introduced a new open source package, the Swift OpenAPI Generator, aimed at generating the code required to handle client/server communication through an HTTP API based on its OpenAPI document.
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Apple Introduces SwiftData, a SwiftUI-Ready Core Data Replacement
At WWDC 2023, Apple introduced SwiftData, a new framework that provides a declarative, Swift-first API enabling to work with data persistence in iOS apps. SwiftData can easily make a Swift class into a persistent model and is especially suited to be used with SwiftUI.
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ETTrace is an Open-Source Profiler for iOS Aiming to Simplify Performance Optimization
Recently open-sourced by Emerge Tools, maker of several analysis tools for iOS apps, ETTrace aims to simplify iOS performance profiling by providing intuitive visualizations and straightforward operation.
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OpenAI Launches its Official ChatGPT App for iOS
OpenAI made its official ChatGPT app available on the US App Store, providing voice-based input, GPT-4 support for paying users, and faster response times. The company said they will soon start the roll out to additional countries and that an Android version is in the making.
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How Airbnb Improved its CI Pipeline for iOS Using AWS and Terraform
AirBnb has historically managed its own fleet of Macs to run its iOS continuous integration pipeline. Thanks to AWS providing support for Macs, AirBnb engineers could migrate their iOS CI infrastructure to AWS to increase flexibility, consistency, and efficiency.
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Running Large Language Models Natively on Mobile and Laptops
MLC LLM is a new open source project aimed to enable deploying large language models on a variety of hardware platforms and applications. It additionally includes a framework to optimize model performance for each specific use case.
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Swift 5.8 Adds Function Back-Deployment and Upcoming Feature Support
The latest release of Swift introduces support for piecemeal adoption of upcoming features, which allows developers to start using new features that will become stable in Swift 6. Additionally, it opens the way for making new features retroactively available in earlier OSes.
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Apple Brings Comparative Group Analytics to App Store Connect
Peer group benchmarks is a new App Store Connect feature aimed to help developers track the performance of their apps relative to other similar apps.
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The Ten Year Journey of Facebook's App for iOS
Facebook rewrote its iOS app in 2012 to take advantage of native performance and improve reliability and usability over its previous HTML5-based cross-platform implementation. In the ten years since the rewrite, the app codebase has evolved non-stop to account for the introduction of new features, to circumvent SDK limitations, and to keep up with changes in the iOS platform.
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AirBnb Animation Engine Lottie Improves Performance by Adopting Core Animation
AirBnb has announced the fourth major iteration of its open-source vector-based animation engine Lottie. Thanks to the adoption of Core Animation, Lottie 4.0 provides significant performance improvements and reduces CPU load, says AirBnb iOS engineer Cal Stephens.
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Apple Announces Full Swift Rewrite of the Foundation Framework
The Swift team has started to work on a new open-source implementation of the Foundation framework. To be written entirely in Swift, the new Foundation aims to improve performance by getting rid of conversion costs between Objective-C and Swift as well as to provide the opportunity for modularizing and clean it up.
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Swift to Add Support for Ownership, Macros, and C++ Interop
The Swift language workgroup has detailed the main focus areas for the development of Swift in 2023 and further on, which include defining an ownership model for memory management, non-copyable types, a macro system, and C++ interoperability.
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Apple Adds Core ML Support for Stable Diffusion on Apple Silicon
Apple released a set of optimizations to Core ML to enable running the Stable Diffusion text-to-image model on Apple Silicon-powered devices running the latest iOS or macOS versions, respectively iOS 16.2 and macOS 13.1.
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AWS Amplify for Swift Reaches 2.0, Brings Async/Await and macOS Support
Previously known as AWS Amplify iOS, AWS Amplify for Swift now offers a rewritten API to support Swift async/await and make concurrency code more idiomatic. Additionally, the new release introduces beta support on macOS for a number of AWS features, including Auth, Storage, Geo, and others.
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Safe Mode is Lyft's Approach to Handling Feature Flags Incidents
Feature flags are a useful tool to conduct A/B experiments and to roll out changes in a controlled way. To make sure that their use does not end up disappointing users when a change causes a crash or degrades the user experience, Lyft created Safe Mode, specifically aimed to prevent crash loops on launch.