flutterfire 🐛 [firebase_dynamic_links] Dynamic Link is not called on iOS

Bug report

Describe the bug Hello, I am implementing Firebase Dynamic Link in my Flutter Application. Everything is working as expected on android but on iOS, dynamic link is not getting triggered in both the event [App Opened, App Closed]

Steps to reproduce

Steps to reproduce the behavior:

Generate Dynamic Link From Firebase Console.
Added domain in Associated Domains. 3.
Run the app, app launch [App Opened, App Closed] when clicking on link.4.
onLink and getInitialLink doesn't execute.5.

Expected behavior

while tapping on url, onLink(while app is open) it should triggered and getInitialLink should be triggered.

Sample project

Providing a minimal example project which demonstrates the bug in isolation from your main App greatly enhances the chance of a timely fix. Please link to the public repository URL.

@override
  void initState() {
    super.initState();
    init();
  }

  init() async {
    final url = await FirebaseDynamicLinks.instance.getInitialLink();
    if (url != null) {
      //  custom function
      print(url);
    }
    FirebaseDynamicLinks.instance.onLink.listen((event) {
      // custom function
      print(event);
    });
  }

Flutter doctor

Run flutter doctor and paste the output below:

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Doctor summary (to see all details, run flutter doctor -v):
[✓] Flutter (Channel stable, 3.3.0, on macOS 12.4 21F79 darwin-arm, locale en-NP)
[✓] Android toolchain - develop for Android devices (Android SDK version 33.0.0-rc1)
[✓] Xcode - develop for iOS and macOS (Xcode 13.4.1)
[✓] Chrome - develop for the web
[✓] Android Studio (version 2021.1)
[✓] VS Code (version 1.71.0)
[✓] Connected device (3 available)
[✓] HTTP Host Availability

Flutter dependencies

Run flutter pub deps -- --style=compact and paste the output below:

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- adaptive_action_sheet 2.0.2 [flutter universal_io]
- auto_route 4.2.1 [flutter path collection meta universal_html]
- bloc 8.0.3 [meta]
- cached_network_image 3.2.1 [flutter flutter_cache_manager octo_image cached_network_image_platform_interface cached_network_image_web]
- carousel_slider 4.1.1 [flutter]
- collection 1.16.0
- dartx 1.1.0 [characters collection crypto meta path time]
- dartz 0.10.1
- device_info_plus 3.2.4 [flutter device_info_plus_platform_interface device_info_plus_macos device_info_plus_linux device_info_plus_web device_info_plus_windows]
- dio 4.0.6 [http_parser path]
- dio_http2_adapter 2.0.0 [http2 dio]
- dio_http_formatter 2.1.0 [dio logger]
- dotted_border 2.0.0+2 [flutter path_drawing]
- equatable 2.0.3 [collection meta]
- firebase_analytics 9.3.0 [firebase_analytics_platform_interface firebase_analytics_web firebase_core firebase_core_platform_interface flutter]
- firebase_core 1.20.0 [firebase_core_platform_interface firebase_core_web flutter meta]
- firebase_crashlytics 2.8.6 [firebase_core firebase_core_platform_interface firebase_crashlytics_platform_interface flutter stack_trace]
- firebase_dynamic_links 4.3.4 [firebase_core firebase_core_platform_interface firebase_dynamic_links_platform_interface flutter meta plugin_platform_interface]
- firebase_messaging 12.0.1 [firebase_core firebase_core_platform_interface firebase_messaging_platform_interface firebase_messaging_web flutter meta]
- flutter 0.0.0 [characters collection material_color_utilities meta vector_math sky_engine]
- flutter_bloc 8.0.1 [flutter bloc provider]
- flutter_dotenv 5.0.2 [flutter]
- flutter_facebook_auth 4.4.0+1 [flutter flutter_facebook_auth_platform_interface flutter_facebook_auth_web]
- flutter_hooks 0.18.5+1 [flutter]
- flutter_html 3.0.0-alpha.5 [html csslib collection numerus flutter]
- flutter_local_notifications 9.7.0 [clock flutter flutter_local_notifications_linux flutter_local_notifications_platform_interface timezone]
- flutter_localizations 0.0.0 [flutter intl characters clock collection material_color_utilities meta path vector_math]
- flutter_native_splash 2.2.6 [args flutter flutter_web_plugins image js lint meta path universal_io xml yaml]
- flutter_screenutil 5.5.3+2 [flutter]
- flutter_secure_storage 5.0.2 [meta flutter flutter_secure_storage_linux flutter_secure_storage_macos flutter_secure_storage_platform_interface flutter_secure_storage_web flutter_secure_storage_windows]
- flutter_svg 1.1.1+1 [flutter meta path_drawing vector_math xml]
- freezed_annotation 2.1.0 [collection json_annotation meta]
- functional_widget_annotation 0.10.0
- geolocator 8.2.1 [flutter geolocator_platform_interface geolocator_android geolocator_apple geolocator_web geolocator_windows]
- gesture_x_detector 1.1.1 [flutter vector_math]
- get_it 7.2.0 [async collection]
- google_sign_in 5.4.0 [flutter google_sign_in_android google_sign_in_ios google_sign_in_platform_interface google_sign_in_web]
- image_cropper 2.0.3 [flutter image_cropper_platform_interface image_cropper_for_web]
- image_picker 0.8.5+3 [flutter image_picker_android image_picker_for_web image_picker_ios image_picker_platform_interface]
- image_stack 2.1.1 [flutter]
- injectable 1.5.3 [get_it]
- internet_connection_checker 0.0.1+4
- intl 0.17.0 [clock path]
- json_annotation 4.6.0 [meta]
- just_the_tooltip 0.0.12 [flutter]
- logger 1.1.0
- lottie 1.3.0 [archive flutter path vector_math]
- map_launcher 2.2.3 [flutter]
- mobile_scanner 2.0.0 [flutter flutter_web_plugins js]
- overlay_support 2.0.1 [flutter async]
- path_provider 2.0.11 [flutter path_provider_android path_provider_ios path_provider_linux path_provider_macos path_provider_platform_interface path_provider_windows]
- permission_handler 9.2.0 [flutter meta permission_handler_android permission_handler_apple permission_handler_windows permission_handler_platform_interface]
- photo_view 0.14.0 [flutter]
- rxdart 0.27.5
- screenshot 1.2.3 [flutter]
- scrollable_positioned_list 0.3.2 [flutter collection]
- share_plus 4.0.10 [meta mime flutter share_plus_platform_interface share_plus_linux share_plus_macos share_plus_windows share_plus_web]
- shared_preferences 2.0.15 [flutter shared_preferences_android shared_preferences_ios shared_preferences_linux shared_preferences_macos shared_preferences_platform_interface shared_preferences_web shared_preferences_windows]
- shimmer 2.0.0 [flutter]
- timeago 3.2.2
- url_launcher 6.1.5 [flutter url_launcher_android url_launcher_ios url_launcher_linux url_launcher_macos url_launcher_platform_interface url_launcher_web url_launcher_windows]
- uuid 3.0.6 [crypto]
- webview_flutter 3.0.4 [flutter webview_flutter_android webview_flutter_platform_interface webview_flutter_wkwebview]

dev dependencies:
- auto_route_generator 4.2.0 [build source_gen analyzer path build_runner code_builder dart_style xml args auto_route]
- bloc_test 9.0.3 [bloc diff_match_patch meta mocktail test]
- build_runner 2.2.0 [args async analyzer build build_config build_daemon build_resolvers build_runner_core code_builder collection crypto dart_style frontend_server_client glob graphs http_multi_server io js logging meta mime package_config path pool pub_semver pubspec_parse shelf shelf_web_socket stack_trace stream_transform timing watcher web_socket_channel yaml]
- flutter_launcher_icons 0.9.3 [args image path yaml]
- flutter_lints 1.0.4 [lints]
- flutter_test 0.0.0 [flutter test_api path fake_async clock stack_trace vector_math async boolean_selector characters collection matcher material_color_utilities meta source_span stream_channel string_scanner term_glyph]
- freezed 2.1.0+1 [analyzer build build_config collection meta source_gen freezed_annotation json_annotation]
- functional_widget 0.10.0 [analyzer build build_config meta functional_widget_annotation source_gen code_builder collection]
- http_mock_adapter 0.3.3 [collection dio http_parser]
- injectable_generator 1.5.4 [build source_gen path glob analyzer code_builder dart_style injectable collection]
- json_serializable 6.3.1 [analyzer async build build_config collection json_annotation meta path pub_semver pubspec_parse source_gen source_helper]
- mocktail 0.3.0 [collection matcher test]

transitive dependencies:
- _fe_analyzer_shared 43.0.0 [meta]
- analyzer 4.3.1 [_fe_analyzer_shared collection convert crypto glob meta package_config path pub_semver source_span watcher yaml]
- archive 3.3.1 [crypto path]
- args 2.3.1
- async 2.9.0 [collection meta]
- boolean_selector 2.1.0 [source_span string_scanner]
- build 2.3.0 [analyzer async convert crypto glob logging meta path]
- build_config 1.1.0 [checked_yaml json_annotation path pubspec_parse yaml]
- build_daemon 3.1.0 [built_collection built_value http_multi_server logging path pool shelf shelf_web_socket stream_transform watcher web_socket_channel]
- build_resolvers 2.0.9 [analyzer async build crypto graphs logging path package_config pool pub_semver stream_transform yaml]
- build_runner_core 7.2.3 [async build build_config build_resolvers collection convert crypto glob graphs json_annotation logging meta path package_config pool timing watcher yaml]
- built_collection 5.1.1
- built_value 8.4.0 [built_collection collection fixnum meta]
- cached_network_image_platform_interface 1.0.0 [flutter flutter_cache_manager]
- cached_network_image_web 1.0.1 [flutter flutter_cache_manager cached_network_image_platform_interface]
- characters 1.2.1
- charcode 1.3.1
- checked_yaml 2.0.1 [json_annotation source_span yaml]
- clock 1.1.1
- code_builder 4.1.0 [built_collection built_value collection matcher meta]
- convert 3.0.2 [typed_data]
- coverage 1.3.2 [args logging package_config path source_maps stack_trace vm_service]
- cross_file 0.3.3+1 [js meta]
- crypto 3.0.2 [typed_data]
- csslib 0.17.2 [source_span]
- dart_style 2.2.3 [analyzer args path pub_semver source_span]
- dbus 0.7.4 [args ffi meta xml]
- device_info_plus_linux 2.1.1 [device_info_plus_platform_interface file flutter meta]
- device_info_plus_macos 2.2.3 [device_info_plus_platform_interface flutter]
- device_info_plus_platform_interface 2.3.0+1 [flutter meta plugin_platform_interface]
- device_info_plus_web 2.1.0 [device_info_plus_platform_interface flutter_web_plugins flutter]
- device_info_plus_windows 2.1.1 [device_info_plus_platform_interface ffi flutter win32]
- diff_match_patch 0.4.1
- fake_async 1.3.1 [clock collection]
- ffi 1.2.1
- file 6.1.2 [meta path]
- firebase_analytics_platform_interface 3.3.0 [firebase_core flutter meta plugin_platform_interface]
- firebase_analytics_web 0.4.2 [firebase_analytics_platform_interface firebase_core firebase_core_web flutter flutter_web_plugins js]
- firebase_core_platform_interface 4.5.0 [collection flutter flutter_test meta plugin_platform_interface]
- firebase_core_web 1.7.1 [firebase_core_platform_interface flutter flutter_web_plugins js meta]
- firebase_crashlytics_platform_interface 3.2.12 [collection firebase_core flutter meta plugin_platform_interface]
- firebase_dynamic_links_platform_interface 0.2.3+9 [firebase_core flutter meta plugin_platform_interface]
- firebase_messaging_platform_interface 4.1.0 [firebase_core flutter meta plugin_platform_interface]
- firebase_messaging_web 3.1.0 [firebase_core firebase_core_web firebase_messaging_platform_interface flutter flutter_web_plugins js meta]
- fixnum 1.0.1
- flutter_blurhash 0.7.0 [flutter]
- flutter_cache_manager 3.3.0 [clock collection file flutter http path path_provider pedantic rxdart sqflite uuid]
- flutter_facebook_auth_platform_interface 3.2.0 [flutter plugin_platform_interface]
- flutter_facebook_auth_web 3.2.0 [flutter flutter_web_plugins js flutter_facebook_auth_platform_interface]
- flutter_local_notifications_linux 0.5.0+1 [flutter flutter_local_notifications_platform_interface dbus path xdg_directories]
- flutter_local_notifications_platform_interface 5.0.0 [flutter plugin_platform_interface]
- flutter_plugin_android_lifecycle 2.0.7 [flutter]
- flutter_secure_storage_linux 1.1.0 [flutter flutter_secure_storage_platform_interface]
- flutter_secure_storage_macos 1.1.0 [flutter flutter_secure_storage_platform_interface]
- flutter_secure_storage_platform_interface 1.0.0 [flutter plugin_platform_interface]
- flutter_secure_storage_web 1.0.2 [flutter flutter_web_plugins flutter_secure_storage_platform_interface js]
- flutter_secure_storage_windows 1.1.2 [flutter flutter_secure_storage_platform_interface]
- flutter_web_plugins 0.0.0 [flutter js characters collection material_color_utilities meta vector_math]
- frontend_server_client 2.1.3 [async path]
- geolocator_android 3.2.1 [flutter geolocator_platform_interface]
- geolocator_apple 2.2.1 [flutter geolocator_platform_interface]
- geolocator_platform_interface 4.0.6 [flutter plugin_platform_interface vector_math meta]
- geolocator_web 2.1.6 [flutter flutter_web_plugins geolocator_platform_interface]
- geolocator_windows 0.1.1 [flutter geolocator_platform_interface]
- glob 2.1.0 [async collection file path string_scanner]
- google_sign_in_android 6.0.1 [flutter google_sign_in_platform_interface]
- google_sign_in_ios 5.4.0 [flutter google_sign_in_platform_interface]
- google_sign_in_platform_interface 2.2.0 [flutter quiver]
- google_sign_in_web 0.10.2 [flutter flutter_web_plugins google_sign_in_platform_interface js]
- graphs 2.1.0 [collection]
- html 0.15.0 [csslib source_span]
- http 0.13.4 [async http_parser meta path]
- http2 2.0.0
- http_multi_server 3.2.1 [async]
- http_parser 4.0.1 [collection source_span string_scanner typed_data]
- image 3.2.0 [archive meta xml]
- image_cropper_for_web 0.0.4 [flutter flutter_web_plugins image_cropper_platform_interface js]
- image_cropper_platform_interface 2.0.0 [flutter plugin_platform_interface http]
- image_picker_android 0.8.5+1 [flutter flutter_plugin_android_lifecycle image_picker_platform_interface]
- image_picker_for_web 2.1.8 [flutter flutter_web_plugins image_picker_platform_interface]
- image_picker_ios 0.8.5+6 [flutter image_picker_platform_interface]
- image_picker_platform_interface 2.5.0 [cross_file flutter http plugin_platform_interface]
- io 1.0.3 [meta path string_scanner]
- js 0.6.4
- lint 1.10.0
- lints 1.0.1
- logging 1.0.2
- matcher 0.12.12 [stack_trace]
- material_color_utilities 0.1.5
- meta 1.8.0
- mime 1.0.2
- nested 1.0.0 [flutter]
- node_preamble 2.0.1
- numerus 1.1.1
- octo_image 1.0.2 [flutter flutter_blurhash]
- package_config 2.1.0 [path]
- path 1.8.2
- path_drawing 1.0.0 [vector_math meta path_parsing flutter]
- path_parsing 1.0.0 [vector_math meta]
- path_provider_android 2.0.16 [flutter path_provider_platform_interface]
- path_provider_ios 2.0.10 [flutter path_provider_platform_interface]
- path_provider_linux 2.1.7 [ffi flutter path path_provider_platform_interface xdg_directories]
- path_provider_macos 2.0.6 [flutter path_provider_platform_interface]
- path_provider_platform_interface 2.0.4 [flutter platform plugin_platform_interface]
- path_provider_windows 2.0.7 [ffi flutter path path_provider_platform_interface win32]
- pedantic 1.11.1
- permission_handler_android 9.0.2+1 [flutter permission_handler_platform_interface]
- permission_handler_apple 9.0.4 [flutter permission_handler_platform_interface]
- permission_handler_platform_interface 3.7.0 [flutter meta plugin_platform_interface]
- permission_handler_windows 0.1.0 [flutter permission_handler_platform_interface]
- petitparser 5.0.0 [meta]
- platform 3.1.0
- plugin_platform_interface 2.1.2 [meta]
- pool 1.5.1 [async stack_trace]
- process 4.2.4 [file path platform]
- provider 6.0.3 [collection flutter nested]
- pub_semver 2.1.1 [collection meta]
- pubspec_parse 1.2.0 [checked_yaml collection json_annotation pub_semver yaml]
- quiver 3.1.0 [matcher]
- share_plus_linux 3.0.0 [share_plus_platform_interface file flutter meta url_launcher]
- share_plus_macos 3.0.1 [share_plus_platform_interface flutter]
- share_plus_platform_interface 3.0.3 [flutter meta mime plugin_platform_interface]
- share_plus_web 3.0.1 [share_plus_platform_interface url_launcher flutter flutter_web_plugins meta]
- share_plus_windows 3.0.1 [share_plus_platform_interface flutter meta url_launcher]
- shared_preferences_android 2.0.12 [flutter shared_preferences_platform_interface]
- shared_preferences_ios 2.1.1 [flutter shared_preferences_platform_interface]
- shared_preferences_linux 2.1.1 [file flutter path path_provider_linux path_provider_platform_interface shared_preferences_platform_interface]
- shared_preferences_macos 2.0.4 [flutter shared_preferences_platform_interface]
- shared_preferences_platform_interface 2.0.0 [flutter]
- shared_preferences_web 2.0.4 [flutter flutter_web_plugins shared_preferences_platform_interface]
- shared_preferences_windows 2.1.1 [file flutter path path_provider_platform_interface path_provider_windows shared_preferences_platform_interface]
- shelf 1.3.1 [async collection http_parser path stack_trace stream_channel]
- shelf_packages_handler 3.0.1 [path shelf shelf_static]
- shelf_static 1.1.1 [convert http_parser mime path shelf]
- shelf_web_socket 1.0.2 [shelf stream_channel web_socket_channel]
- sky_engine 0.0.99
- source_gen 1.2.2 [analyzer async build dart_style glob meta path source_span yaml]
- source_helper 1.3.2 [analyzer collection source_gen]
- source_map_stack_trace 2.1.0 [path stack_trace source_maps]
- source_maps 0.10.10 [source_span]
- source_span 1.9.0 [collection path term_glyph]
- sqflite 2.0.3 [flutter sqflite_common path]
- sqflite_common 2.2.1+1 [synchronized path meta]
- stack_trace 1.10.0 [path]
- stream_channel 2.1.0 [async]
- stream_transform 2.0.0
- string_scanner 1.1.1 [source_span]
- synchronized 3.0.0+2
- term_glyph 1.2.1
- test 1.21.4 [analyzer async boolean_selector collection coverage http_multi_server io js node_preamble package_config path pool shelf shelf_packages_handler shelf_static shelf_web_socket source_span stack_trace stream_channel typed_data web_socket_channel webkit_inspection_protocol yaml test_api test_core]
- test_api 0.4.12 [async boolean_selector collection meta source_span stack_trace stream_channel string_scanner term_glyph matcher]
- test_core 0.4.16 [analyzer async args boolean_selector collection coverage frontend_server_client glob io meta package_config path pool source_map_stack_trace source_maps source_span stack_trace stream_channel vm_service yaml matcher test_api]
- time 2.1.1 [clock]
- timezone 0.8.0 [path]
- timing 1.0.0 [json_annotation]
- typed_data 1.3.1 [collection]
- universal_html 2.0.8 [async csslib charcode collection html meta source_span typed_data universal_io]
- universal_io 2.0.4 [collection crypto meta typed_data]
- url_launcher_android 6.0.17 [flutter url_launcher_platform_interface]
- url_launcher_ios 6.0.17 [flutter url_launcher_platform_interface]
- url_launcher_linux 3.0.1 [flutter url_launcher_platform_interface]
- url_launcher_macos 3.0.1 [flutter url_launcher_platform_interface]
- url_launcher_platform_interface 2.1.0 [flutter plugin_platform_interface]
- url_launcher_web 2.0.12 [flutter flutter_web_plugins url_launcher_platform_interface]
- url_launcher_windows 3.0.1 [flutter url_launcher_platform_interface]
- vector_math 2.1.2
- vm_service 8.3.0
- watcher 1.0.1 [async path]
- web_socket_channel 2.2.0 [async crypto stream_channel]
- webkit_inspection_protocol 1.1.0 [logging]
- webview_flutter_android 2.9.2 [flutter webview_flutter_platform_interface]
- webview_flutter_platform_interface 1.9.1 [flutter meta plugin_platform_interface]
- webview_flutter_wkwebview 2.9.1 [flutter path webview_flutter_platform_interface]
- win32 2.6.1 [ffi]
- xdg_directories 0.2.0+1 [meta path process]
- xml 6.1.0 [collection meta petitparser]
- yaml 3.1.1 [collection source_span string_scanner]

Sep 13 '22 10:09 coder-Aayush

@coder-Aayush I tried the plugin's example on iOS device in debug and release mode and confirmed that the link is working as expected, ie, when app is open and click on dynamic link from Notes app, it takes us to the desired screen in the app. When app is terminated and click on dynamic link from same app, it takes us to the desired screen in the app (verified this in release mode).

Can you try the same plugin example and see if you still get same behavior using it ? Also, it seems you are hitting https://github.com/firebase/flutterfire/issues/9110 , so can you check the same, underlying comments and see if it helps ? If that's same issue as yours, we can follow-up in that issue and close this.

Sep 13 '22 10:09 darshankawar

I have same issue. Although Associated Domains & FirebaseDynamicLinksCustomDomains key in info.plist is configured base on Documents. And run on release mode. Im dev in Flutter 3.3.2 and IOS 15.7 device.

Sep 16 '22 02:09 nhien021299

Hey @coder-Aayush. We need more information to resolve this issue but there hasn't been an update in 7 weekdays. I'm marking the issue as stale and if there are no new updates in the next 7 days I will close it automatically.

If you have more information that will help us get to the bottom of this, just add a comment!

Sep 27 '22 01:09 google-oss-bot

@coder-Aayush I tried the plugin's example on iOS device in debug and release mode and confirmed that the link is working as expected, ie, when app is open and click on dynamic link from Notes app, it takes us to the desired screen in the app. When app is terminated and click on dynamic link from same app, it takes us to the desired screen in the app (verified this in release mode).

Can you try the same plugin example and see if you still get same behavior using it ? Also, it seems you are hitting #9110 , so can you check the same, underlying comments and see if it helps ? If that's same issue as yours, we can follow-up in that issue and close this.

non of the comment work

Sep 27 '22 07:09 coder-Aayush

@coder-Aayush Please provide more details of the issue that will help us to properly address it, like, logs showings methods are not being triggered, a short video showing the behavior and so on.

Sep 27 '22 11:09 darshankawar

I can confirm that nothing is coming thru with getInitialLink(). Tested using iOS 15.6.1 and 16.0.2, Flutter 3.3.2 and firebase_dynamic_links: ^4.3.8.

It used to work, up til iOS 15.5. Well, it had always been sketchy upon the install from the AppStore, but post-installation the cold opens after a terminated state always properly returned non-null for the below Uri value:

final PendingDynamicLinkData? data = await dynamicLinks.getInitialLink()
          .timeout(const Duration(milliseconds: 4000))
          .onError((Object e, StackTrace _) {

        debugPrint(e.toString());
        return null;
      });

      final Uri? uri = data?.link;
    
      someCollection.add({
        'createdAt': DateTime.now(),
        'uri': uri.toString(),
      });

Now it's always null. I had to use package app_links in order to successfully retrieve the link from the clipboard. And then pass it to getDynamicLink() to get the associated link data.

Sep 27 '22 19:09 blaneyneil

Don't think https://github.com/firebase/flutterfire/issues/9110 should be closed.

Sep 27 '22 19:09 blaneyneil

Hey @coder-Aayush. We need more information to resolve this issue but there hasn't been an update in 7 weekdays. I'm marking the issue as stale and if there are no new updates in the next 7 days I will close it automatically.

If you have more information that will help us get to the bottom of this, just add a comment!

Oct 06 '22 01:10 google-oss-bot

Since there haven't been any recent updates here, I am going to close this issue.

@coder-Aayush if you're still experiencing this problem and want to continue the discussion just leave a comment here and we are happy to re-open this.

Oct 17 '22 01:10 google-oss-bot

on iOS this is still always null for a cold open that uses the clipboard. even using the most recent firebase_dynamic_links: ^5.0.2, if you call this:

final PendingDynamicLinkData? data = await dynamicLinks.getInitialLink()
          .timeout(const Duration(milliseconds: 4000))
          .onError((Object e, StackTrace _) {

        print(e.toString());
        return null;
      });

data is always null. and of course so is data?.link. this is with iOS 15.6.1 and:

[✓] Flutter (Channel stable, 3.3.5, on macOS 12.6 21G115 darwin-x64, locale en-US) [✓] Android toolchain - develop for Android devices (Android SDK version 33.0.0-rc4) [✓] Xcode - develop for iOS and macOS (Xcode 14.0.1)

Oct 20 '22 21:10 blaneyneil

Here is what I've observed from my own testing:

Android:

Link received if app is running? Yes.
Link received if app is terminated? Yes, after app start.
Link received if app is not installed? Yes, after install and app start.

iOS:

Link received if app is running? Yes.
Link received if app is terminated? Yes, after app start.
Link received if app is not installed? No, after app start PendingDynamicLinkData? data = await dynamicLinks.getInitialLink() returns null.

Could be an iOS issue but I'm not sure.

Also check out this comment from a previous issue: https://github.com/firebase/flutterfire/issues/100#issuecomment-706096896

Oct 21 '22 09:10 blueeyestw

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🐛 [firebase_dynamic_links] Dynamic Link is not called on iOS

Bug report

Steps to reproduce

Expected behavior

Sample project

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Flutter dependencies

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