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fix(ios): actually hide the iOS 26 scroll edge effect

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The compile fix replaced the direct topEdgeEffect API with KVC casting the
effect to UIView — but UIScrollEdgeEffect is not a UIView, so the cast
silently returned nil and the system's dark edge band stayed visible behind
the status bar. Keep the KVC (compiles with pre-26 SDKs) but toggle the
ObjC 'hidden' key on the effect as a plain NSObject, guarded by respondsTo.
This commit is contained in:
Bohdan Triapitsyn
2026-07-10 02:20:41 +03:00
parent 3184afafdf
commit 848f552767
1 changed files with 7 additions and 1 deletions
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packages/mobile/ios/App/App/AppDelegate.swift
+7 -1
View File
@@ -146,8 +146,14 @@ class SceneDelegate: UIResponder, UIWindowSceneDelegate {
webView.backgroundColor = .clear webView.backgroundColor = .clear
webView.scrollView.backgroundColor = .clear webView.scrollView.backgroundColor = .clear
if #available(iOS 26.0, *) { if #available(iOS 26.0, *) {
// KVC keeps this compiling with pre-26 SDKs, but the effect object is a
// UIScrollEdgeEffect — NOT a UIView — so it must be handled as a plain
// NSObject ("hidden" is the ObjC key behind isHidden). The previous
// `as? UIView` cast silently returned nil and left the system's dark
// edge band visible behind the status bar.
for key in ["topEdgeEffect", "bottomEdgeEffect"] { for key in ["topEdgeEffect", "bottomEdgeEffect"] {
(webView.scrollView.value(forKey: key) as? UIView)?.isHidden = true guard webView.scrollView.responds(to: NSSelectorFromString(key)) else { continue }
(webView.scrollView.value(forKey: key) as? NSObject)?.setValue(true, forKey: "hidden")
} }
} }
} }