Since its initial announcement during WWDC 2019 and the subsequent release alongside iOS 13 in September, SwiftUI has piqued the interest of many developers, who started experimenting with it in their per projects and libraries.
Some actually started using it in their production ready apps, even though SwiftUI definitely has a long path of improvements and changes ahead of it
In this article we compiled some popular and interesting SwiftUI libraries that may be useful to you in current or future projects.
Criteria
When deciding which libraries to include, we took into account the scope of the problems it solves, as well as its popularity on GitHub.
Collection Containers and Layouts
A lot of developers were surprised by the lack of a UICollecitonView alternative in SwiftUI. Possible solutions for this include implementing UIViewRepresentable to wrap a UICollectionView, or using of of these libraries:
QGrid
QGrid works on the same principle as the List control included in SwiftUI. It is easily configurable and has a comprehensive API.
ASCollectionView
ASCollectionView uses UIKit’s UICollectionView, but provides a SwiftUI-oriented way to interact with it. Some of the noteworthy features include preloading data and the ability to use any UICollectionViewLayout.
WaterfallGrid
A flexible implementation of the waterfall grid with plenty of customisation and support for cell animation.
Fancy Stuff
These two repos can interest be of interest if you want to add some eye-catching widgets to your application.
ConcentricOnboarding
The oldest and most popular onboarding library for SwiftUI. It can be used to create a walkthrough for you application with customisable concentric animation.
ChartView
One of the few libraries at the time of writing that lets you draw line, bar and pie charts. It provides 8 different styles and can be tailored to any design.
Image Processing
Majority of apps today require some amount of image processing, from showing local assets to downloading, caching and modifying images retrieved from the backend.
SDWebImageSwiftUI
A very popular library SDWebImage is now available for SwiftUI with the same functionality.
SwiftUIImageEffects
This library is the SwiftUI version of the well-known set of UIImage extensions, first implemented by Apple in Objective-C. It will let you use high-performance blur and tint effects.
Useful Extensions and Utilities
We wrap up this compilation with a trio of general-use repositories that will be useful to almost any developer.
SwiftUIX
This is a repo full of different extensions that enhance and simplify the usage of the default SwiftUI API.
SwiftUIFlux
A SwiftUI-based Redux implementation that helps manage application states by employing BindableObject from the Combine library.
KeyboardObserving
KeyboardAvoiding is another Combine-base solution that helps observe keyboard-related events in your app.
It seems new libraries for SwiftUI are released every day, and it can be hard to predict which of them will be popular (or de-facto standard) in the future. But it’s exciting to see the communities interest and willingness to improve this new technology.
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