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fix(fiam): add check for scene delegates in universal links #16083

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fix(fiam): add check for scene delegates in universal links #16083

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d03b954
Add scene delegate support to universal links
daymxn Apr 15, 2026
5733fc9
Update CHANGELOG.md
daymxn Apr 15, 2026
6698ba3
Update CHANGELOG.md
daymxn Apr 15, 2026
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4 changes: 4 additions & 0 deletions FirebaseInAppMessaging/CHANGELOG.md
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Original file line number Diff line number Diff line change
@@ -1,3 +1,7 @@
# Unreleased
- [fixed] Fixed an issue where universal links were not correctly routed in apps utilizing scene
delegates. (#16083)

# 12.1.0
- [fixed] Fix Xcode 26 crash from missing `NSUserActivityTypeBrowsingWeb`
symbol. Note that this fix isn't in the 12.1.0 zip and Carthage
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26 changes: 26 additions & 0 deletions FirebaseInAppMessaging/Sources/Runtime/FIRIAMActionURLFollower.m
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Expand Up @@ -168,9 +168,35 @@ - (BOOL)followURLWithAppDelegateOpenURLActivity:(NSURL *)url {

// Try to handle the url as a universal link by triggering
// application:continueUserActivity:restorationHandler: on App's delegate object directly.
// Will also look for scene delegates in the foreground that implement scene:continueUserActivity:.
// @return YES if that delegate method is defined and seeing a YES being returned from
// trigging it
- (BOOL)followURLWithContinueUserActivity:(NSURL *)url {
// First try to find a scene delegate to trigger, falling back to app delegate
for (UIScene *scene in self.mainApplication.connectedScenes) {
if (scene.activationState == UISceneActivationStateForegroundActive ||
scene.activationState == UISceneActivationStateForegroundInactive) {
id<UISceneDelegate> sceneDelegate = (id<UISceneDelegate>)scene.delegate;
if ([sceneDelegate respondsToSelector:@selector(scene:continueUserActivity:)]) {
FIRLogDebug(kFIRLoggerInAppMessaging, @"I-IAM240004",
@"Scene delegate responds to scene:continueUserActivity."
"Simulating action url opening from a web browser.");
// Use string literal to ensure compatibility with Xcode 26 and iOS 18
NSString *browsingWebType = @"NSUserActivityTypeBrowsingWeb";
NSUserActivity *userActivity =
[[NSUserActivity alloc] initWithActivityType:browsingWebType];
userActivity.webpageURL = url;

[sceneDelegate scene:scene continueUserActivity:userActivity];

// The scene delegate method doesn't return anything, so we assume the response is YES
FIRLogDebug(kFIRLoggerInAppMessaging, @"I-IAM240005",
@"Scene handling action URL returns YES, no more further action taken");
return YES;
}
}
}

if (self.isContinueUserActivityMethodDefined) {
FIRLogDebug(kFIRLoggerInAppMessaging, @"I-IAM240004",
@"App delegate responds to application:continueUserActivity:restorationHandler:."
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