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In addition to scroll related view modifiers covered in the previous blog post, there is another one for detecting scroll view phases aka the state of the scrolling. The new view modifier is called onScrollPhaseChange(_:) and has three arguments in the change closure: old phase, new phase and a context. ScrollPhase is an enum with […]
WWDC’24 brought some updates to scrolling. One of which is onScrollGeometryChange(for:of:action:) what we can use for reacting to scroll geometry changes. The view modifier has two closures, where the first one is transforming the scroll geometry into an arbitrary equatable type of our liking. If that value changes, the action closure is called. It is […]
When building various kinds of scrollable UIs, it’s very common to want to observe the current scroll position (or content offset, as UIScrollView calls it) in order to trigger layout changes, load additional data when needed, or to perform other kinds of actions depending on what content that the user is currently viewing. However, when […]
In this post, I would like to discuss several ways how to create onboarding/introduction screens for your app. Let me keep aside the discussion if such screens are good UX pattern, but let me rather examine SwiftUI capabilities for such task instead. The task The task for today’s SwiftUI exercise is simple. We would like […]