A backport of iOS 9's UIStackView to iOS 7+, enabling easy linear layouts for older iOS versions.
OAStackView is an open-source backport of Apple's UIStackView that brings linear layout capabilities to iOS 7 and later. It solves the problem of maintaining consistent, stack-based UI layouts across older iOS versions where the native UIStackView (iOS 9+) is unavailable. Developers can use the same API and Interface Builder integration as UIStackView without rewriting code.
iOS developers who need to support apps on iOS 7 or 8 and want to use stack-based layouts without maintaining separate code paths. It's particularly useful for teams migrating legacy apps to modern layout techniques.
OAStackView offers a nearly identical drop-in replacement for UIStackView, reducing the friction of supporting older iOS versions. It's open-source, tested, and integrates with CocoaPods and Interface Builder, making it a practical choice for backward compatibility.
Porting UIStackView to iOS 7+
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Mimics UIStackView's interface and behavior, allowing developers to use the same code and concepts seamlessly, as stated in the README's goal of faithful replication.
Supports visual layout in Xcode by setting a UIView's class to OAStackView, with step-by-step examples provided in the README for easy setup.
Enables stack-based layouts on older iOS versions, extending modern layout techniques to legacy apps without rewriting code.
Available through CocoaPods with a simple Podfile entry, making dependency management straightforward for iOS projects.
Missing key UIStackView features like baselineRelativeArrangement and distribution modes (EqualSpacing, EqualCentering), as admitted in the README's known issues.
Written in Objective-C, which may not align with Swift-centric modern iOS development, and the README notes a future improvement to make it more Swift-friendly.
The README lists known issues and future improvements, suggesting it might not be actively updated or as stable as Apple's official API, risking obsolescence.