InfoQ Homepage iOS Content on InfoQ
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Transitioning to SwiftUI at Airbnb
In 2022, the iOS team at Airbnb decided SwiftUI was sufficiently mature to be adopted for their official app. This required a careful transition, explains Airbnb staff engineer Bryn Bodayle.
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Reddit Adopts Server-Driven UI for Its New Feed Architecture across Mobile Apps
Reddit reworked its feeds functionality in the iOS mobile app and introduced it to the Android app. In both cases, they used the Server-Driven UI (SDUI) as their communication approach, which allows localized content layout changes without mobile app releases.
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Apple Extends Core ML, Create ML, and Vision Frameworks for iOS 17
At its recent WWDC 2023 developer conference, Apple presented a number of extensions and updates to its machine learning and vision ecosystem, including updates to its Core ML framework, new features for the Create ML modeling tool, and new vision APIs for image segmentation, animal body pose detection, and 3D human body pose.
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Swift 5.9 Brings Macro Expansion Power to the Language
Introduced at WWDC 2023, Swift 5.9, now available in beta, brings a major extension to the language capabilities through support for generating code at compile-time using macros.
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SwiftUI 5 Leaves Combine behind, Extends Animations, and More
At WWDC 2023, Apple presented the latest iteration of its declarative framework for UI programming. SwiftUI 5 completely overhauls its reactive foundations by replacing Combine with the new Observation framework. Additionally, it adds support for phased animations, improves ScrollView, new gestures, and more.
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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.