At WWDC 2023, Apple introduced a new modifier for SwiftUI called geometryGroup(). It addresses some animation anomalies that were previously difficult to handle or couldn’t be handled at all. This article will introduce the concept and usage of geometryGroup(), as well as how to handle anomalies in older versions of…

Over the past two weeks, with the assistance of AI, I have embarked on rebuilding my blog in an unfamiliar development environment using languages and frameworks that are new to me. Through this rebuilding process, I hope to gain some mastery of these new languages and frameworks. This article records…

In iOS 16, SwiftUI introduces a new adaptive layout container called ViewThatFits. As the name suggests, its purpose is to find the most appropriate view among a given set of views and use it. For most people, this is a simple and easy-to-use container. However, this article intends to thoroughly…

GeometryReader has been present since the birth of SwiftUI, playing a crucial role in many scenarios. However, from the very beginning, some developers have held a negative attitude towards it, believing it should be avoided as much as possible. Especially after the recent updates of SwiftUI added some APIs that…

When there are changes in the database, Persistent History Tracking will send notifications to the subscribers. Developers can use this opportunity to respond to modifications made to the same database, including other applications, widgets (in the same App Group), and batch processing tasks. Since SwiftData integrates support for Persistent History…

In the previous article, we introduced the basic usage of TipKit. In this article, we will discuss some advanced topics related to TipKit, such as how to fully customize the Tip view (without using TipView and popoverTip), how to use TipKit in UIKit, and how TipKit can share data between…

TipKit is a framework introduced by Apple at WWDC 2023 that allows you to easily display tips in your applications. It can be used to introduce new features to users, help them discover hidden options, or demonstrate faster ways to accomplish tasks, among other scenarios. …

A more elegant thread-safe solution — Concurrent programming in Core Data may not be difficult, but it is full of traps. Even with ample experience in Core Data, a slight negligence can introduce vulnerabilities into the code, making the application unsafe. As the successor to Core Data, SwiftData provides a more elegant and secure mechanism for…

While analyzing code, learning Swift’s new features — In the improvements of SwiftData, the ability to declare data models purely in code undoubtedly left a deep impression on Core Data developers. This article will delve into how SwiftData creates data models through code, its new language features, and demonstrate how to create PersistentModel instances by declaring code. Don’t…