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fix(input-accessory): ensure scroll edge is used on ios 26+ #666

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Merged
NathanWalker merged 1 commit into from
Jun 17, 2026
Merged

fix(input-accessory): ensure scroll edge is used on ios 26+ #666

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29 changes: 21 additions & 8 deletions packages/input-accessory/platforms/ios/src/KeyboardTrackingView.swift
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Original file line number Diff line number Diff line change
Expand Up @@ -141,14 +141,7 @@ public class KeyboardTrackingView: UIView {

self._keyboardAccessoryView = accessoryContainer

// On iOS 26+, add scroll edge blending so the bottom of the ScrollView
// fades into the glass accessory (like Apple Notes / iMessage).
if #available(iOS 26.0, *) {
let edgeInteraction = UIScrollEdgeElementContainerInteraction()
edgeInteraction.scrollView = scrollView
edgeInteraction.edge = .bottom
accessoryContainer.addInteraction(edgeInteraction)
}
addScrollEdgeElementContainerInteractionIfAvailable(to: accessoryContainer, scrollView: scrollView)

// Set up scroll view for interactive dismiss
scrollView.keyboardDismissMode = .interactive
Expand Down Expand Up @@ -176,6 +169,26 @@ public class KeyboardTrackingView: UIView {
self?.becomeFirstResponder()
}
}

private func addScrollEdgeElementContainerInteractionIfAvailable(to containerView: UIView, scrollView: UIScrollView) {
guard #available(iOS 26.0, *) else { return }

// UIScrollEdgeElementContainerInteraction is an iOS 26 SDK symbol. Resolve
// it dynamically so the plugin still compiles with Xcode 16.x / iOS 18.x SDKs.
let interactionClass = (
NSClassFromString("UIScrollEdgeElementContainerInteraction")
?? NSClassFromString("UIKit.UIScrollEdgeElementContainerInteraction")
) as? NSObject.Type

guard let interactionClass = interactionClass else { return }

let interaction = interactionClass.init()
interaction.setValue(scrollView, forKey: "scrollView")
interaction.setValue(NSNumber(value: UIRectEdge.bottom.rawValue), forKey: "edge")

guard let edgeInteraction = interaction as? UIInteraction else { return }
containerView.addInteraction(edgeInteraction)
}

/**
* Set the callback for relayouting ScrollView content
Expand Down