🐛 [firebase_ui_oauth_google] Using standalone mode throws LateInitializationError

[rubensdemelo]

Bug report

Describe the bug

Im not using firebase_auth_ui, just the package.

Using the standalone version of https://pub.dev/packages/firebase_ui_oauth_google throws:

════════ Exception caught by gesture ═══════════════════════════════════════════
The following LateError was thrown while handling a gesture:
LateInitializationError: Field 'authListener' has not been initialized.

When the exception was thrown, this was the stack
#0      OAuthProvider.authListener (package:firebase_ui_oauth/src/oauth_provider.dart)
package:firebase_ui_oauth/src/oauth_provider.dart:1
#1      OAuthProvider.signIn
package:firebase_ui_oauth/src/oauth_provider.dart:29
#2      _OAuthProviderButtonBaseState._signIn
package:firebase_ui_oauth/src/oauth_provider_button_base.dart:151
#3      _OAuthProviderButtonBaseState._buildMaterial.<anonymous closure>
package:firebase_ui_oauth/src/oauth_provider_button_base.dart:233
#4      _InkResponseState.handleTap
package:flutter/…/material/ink_well.dart:1072
#5      GestureRecognizer.invokeCallback
package:flutter/…/gestures/recognizer.dart:253
#6      TapGestureRecognizer.handleTapUp
package:flutter/…/gestures/tap.dart:627
#7      BaseTapGestureRecognizer._checkUp
package:flutter/…/gestures/tap.dart:306
#8      BaseTapGestureRecognizer.handlePrimaryPointer
package:flutter/…/gestures/tap.dart:239
#9      PrimaryPointerGestureRecognizer.handleEvent
package:flutter/…/gestures/recognizer.dart:615
#10     PointerRouter._dispatch
package:flutter/…/gestures/pointer_router.dart:98
#11     PointerRouter._dispatchEventToRoutes.<anonymous closure>
package:flutter/…/gestures/pointer_router.dart:143
#12     _LinkedHashMapMixin.forEach (dart:collection-patch/compact_hash.dart:617:13)
#13     PointerRouter._dispatchEventToRoutes
package:flutter/…/gestures/pointer_router.dart:141
#14     PointerRouter.route
package:flutter/…/gestures/pointer_router.dart:127
#15     GestureBinding.handleEvent
package:flutter/…/gestures/binding.dart:460
#16     GestureBinding.dispatchEvent
package:flutter/…/gestures/binding.dart:440
#17     RendererBinding.dispatchEvent
package:flutter/…/rendering/binding.dart:337
#18     GestureBinding._handlePointerEventImmediately
package:flutter/…/gestures/binding.dart:395
#19     GestureBinding.handlePointerEvent
package:flutter/…/gestures/binding.dart:357
#20     GestureBinding._flushPointerEventQueue
package:flutter/…/gestures/binding.dart:314
#21     GestureBinding._handlePointerDataPacket
package:flutter/…/gestures/binding.dart:295
#22     _invoke1 (dart:ui/hooks.dart:167:13)
#23     PlatformDispatcher._dispatchPointerDataPacket (dart:ui/platform_dispatcher.dart:341:7)
#24     _dispatchPointerDataPacket (dart:ui/hooks.dart:94:31)
Handler: "onTap"

Steps to reproduce

Run the following code, with a valida clientId.

class MyScreen extends StatelessWidget {
  @override
  Widget build(BuildContext context) {
    return GoogleSignInButton(
      clientId: 'my-client-id-eur80e7-with-lgo0nn-some-223qhd-data-vc.apps.googleusercontent.com',
      loadingIndicator: CircularProgressIndicator(),
      onSignedIn: (UserCredential credential) {
        // perform navigation.
      }
    );
  }
}

Expected behavior

A successful sign in with and run the code on onSignedIn.

---

Additional context

Im running on a real android device.

---

Flutter doctor

Run flutter doctor and paste the output below:

Click To Expand

➜  ~ flutter doctor                   
Doctor summary (to see all details, run flutter doctor -v):
[✓] Flutter (Channel stable, 3.3.7, on macOS 12.6 21G115 darwin-x64, locale en-BR)
[✓] Android toolchain - develop for Android devices (Android SDK version 33.0.0)
[✓] Xcode - develop for iOS and macOS (Xcode 14.1)
[✓] Chrome - develop for the web
[✓] Android Studio (version 2021.3)
[✓] VS Code (version 1.73.0)
[✓] VS Code (version 1.65.2)
[✓] Connected device (3 available)
[✓] HTTP Host Availability

• No issues found!
➜  ~ 

---

Flutter dependencies

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

Click To Expand

Dart SDK 2.18.4
Flutter SDK 3.3.7
motoca 1.0.0+1

dependencies:
- brasil_fields 1.5.0 [flutter intl]
- cloud_firestore 4.0.4 [cloud_firestore_platform_interface cloud_firestore_web collection firebase_core firebase_core_platform_interface flutter meta]
- firebase_auth 4.1.1 [firebase_auth_platform_interface firebase_auth_web firebase_core firebase_core_platform_interface flutter meta]
- firebase_core 2.1.1 [firebase_core_platform_interface firebase_core_web flutter meta]
- firebase_ui_oauth_google 1.0.4 [firebase_auth firebase_ui_oauth flutter google_sign_in]
- flutter 0.0.0 [characters collection material_color_utilities meta vector_math sky_engine]
- flutter_localizations 0.0.0 [flutter intl characters clock collection material_color_utilities meta path vector_math]
- flutter_native_splash 2.2.14 [args flutter flutter_web_plugins js html image meta path universal_io xml yaml]
- flutter_signin_button 2.0.0 [flutter font_awesome_flutter]
- freezed_annotation 2.2.0 [collection json_annotation meta]
- google_fonts 3.0.1 [flutter http path_provider crypto]
- google_sign_in 5.4.2 [flutter google_sign_in_android google_sign_in_ios google_sign_in_platform_interface google_sign_in_web]
- hooks_riverpod 2.1.1 [collection flutter flutter_hooks flutter_riverpod riverpod state_notifier]
- json_annotation 4.7.0 [meta]
- path 1.8.2
- 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]
- 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]
- sqflite 2.2.0+3 [flutter sqflite_common path]
- top_snackbar_flutter 2.1.1 [flutter]
- uuid 3.0.6 [crypto]

dev dependencies:
- build_runner 2.3.2 [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_lints 2.0.1 [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 2.2.1 [analyzer build build_config collection meta source_gen freezed_annotation json_annotation]
- json_serializable 6.5.4 [analyzer async build build_config collection json_annotation meta path pub_semver pubspec_parse source_gen source_helper]

transitive dependencies:
- _fe_analyzer_shared 50.0.0 [meta]
- _flutterfire_internals 1.0.7 [cloud_firestore_platform_interface cloud_firestore_web collection firebase_core firebase_core_platform_interface flutter meta]
- analyzer 5.2.0 [_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 2.3.1 [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 2.1.0 [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 8.4.1 [built_collection collection fixnum meta]
- characters 1.2.1
- checked_yaml 2.0.1 [json_annotation source_span yaml]
- clock 1.1.1
- cloud_firestore_platform_interface 5.8.4 [_flutterfire_internals collection firebase_core flutter meta plugin_platform_interface]
- cloud_firestore_web 3.0.4 [_flutterfire_internals cloud_firestore_platform_interface collection firebase_core firebase_core_web flutter flutter_web_plugins js]
- code_builder 4.2.0 [built_collection built_value collection matcher meta]
- collection 1.16.0
- convert 3.0.2 [typed_data]
- crypto 3.0.2 [typed_data]
- csslib 0.17.2 [source_span]
- dart_style 2.2.4 [analyzer args path pub_semver source_span]
- desktop_webview_auth 0.0.9 [crypto flutter http]
- email_validator 2.1.17
- fake_async 1.3.1 [clock collection]
- ffi 2.0.1
- file 6.1.4 [meta path]
- firebase_auth_platform_interface 6.11.1 [_flutterfire_internals collection firebase_core flutter meta plugin_platform_interface]
- firebase_auth_web 5.1.1 [firebase_auth_platform_interface firebase_core firebase_core_web flutter flutter_web_plugins http_parser intl js meta]
- firebase_core_platform_interface 4.5.2 [collection flutter flutter_test meta plugin_platform_interface]
- firebase_core_web 2.0.1 [firebase_core_platform_interface flutter flutter_web_plugins js meta]
- firebase_dynamic_links 5.0.4 [firebase_core firebase_core_platform_interface firebase_dynamic_links_platform_interface flutter meta plugin_platform_interface]
- firebase_dynamic_links_platform_interface 0.2.3+20 [_flutterfire_internals firebase_core flutter meta plugin_platform_interface]
- firebase_ui_auth 1.0.4 [desktop_webview_auth email_validator firebase_auth firebase_core firebase_dynamic_links firebase_ui_localizations firebase_ui_oauth flutter flutter_localizations flutter_svg]
- firebase_ui_localizations 1.0.1 [flutter flutter_localizations intl path]
- firebase_ui_oauth 1.0.4 [desktop_webview_auth firebase_auth firebase_ui_auth flutter_svg flutter]
- fixnum 1.0.1
- flutter_hooks 0.18.5+1 [flutter]
- flutter_riverpod 2.1.1 [collection flutter meta riverpod state_notifier]
- flutter_svg 1.1.6 [flutter meta path_drawing vector_math xml]
- flutter_web_plugins 0.0.0 [flutter js characters collection material_color_utilities meta vector_math]
- font_awesome_flutter 9.2.0 [flutter]
- frontend_server_client 3.1.0 [async path]
- glob 2.1.0 [async collection file path string_scanner]
- google_sign_in_android 6.1.1 [flutter google_sign_in_platform_interface]
- google_sign_in_ios 5.5.0 [flutter google_sign_in_platform_interface]
- google_sign_in_platform_interface 2.3.0 [flutter plugin_platform_interface quiver]
- google_sign_in_web 0.10.2 [flutter flutter_web_plugins google_sign_in_platform_interface js]
- graphs 2.1.0 [collection]
- html 0.15.1 [csslib source_span]
- http 0.13.5 [async http_parser meta path]
- http_multi_server 3.2.1 [async]
- http_parser 4.0.1 [collection source_span string_scanner typed_data]
- image 3.2.2 [archive meta xml]
- intl 0.17.0 [clock path]
- io 1.0.3 [meta path string_scanner]
- js 0.6.4
- lints 2.0.0
- logging 1.0.2
- matcher 0.12.12 [stack_trace]
- material_color_utilities 0.1.5
- meta 1.8.0
- mime 1.0.2
- package_config 2.1.0 [path]
- path_drawing 1.0.1 [vector_math meta path_parsing flutter]
- path_parsing 1.0.1 [vector_math meta]
- path_provider_android 2.0.21 [flutter path_provider_platform_interface]
- path_provider_ios 2.0.11 [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 2.1.2 [ffi flutter path path_provider_platform_interface win32]
- petitparser 5.0.0 [meta]
- platform 3.1.0
- plugin_platform_interface 2.1.3 [meta]
- pool 1.5.1 [async stack_trace]
- process 4.2.4 [file path platform]
- pub_semver 2.1.1 [collection meta]
- pubspec_parse 1.2.1 [checked_yaml collection json_annotation pub_semver yaml]
- quiver 3.1.0 [matcher]
- riverpod 2.1.1 [collection meta stack_trace state_notifier]
- 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 2.1.0 [flutter plugin_platform_interface]
- 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 1.3.2 [async collection http_parser path stack_trace stream_channel]
- shelf_web_socket 1.0.2 [shelf stream_channel web_socket_channel]
- sky_engine 0.0.99
- source_gen 1.2.6 [analyzer async build dart_style glob meta path source_span yaml]
- source_helper 1.3.3 [analyzer collection source_gen]
- source_span 1.9.0 [collection path term_glyph]
- sqflite_common 2.4.0+2 [synchronized path meta]
- stack_trace 1.10.0 [path]
- state_notifier 0.7.2+1 [meta]
- stream_channel 2.1.0 [async]
- stream_transform 2.0.0
- string_scanner 1.1.1 [source_span]
- synchronized 3.0.0+3
- term_glyph 1.2.1
- test_api 0.4.12 [async boolean_selector collection meta source_span stack_trace stream_channel string_scanner term_glyph matcher]
- timing 1.0.0 [json_annotation]
- typed_data 1.3.1 [collection]
- universal_io 2.0.4 [collection crypto meta typed_data]
- vector_math 2.1.2
- watcher 1.0.1 [async path]
- web_socket_channel 2.2.0 [async crypto stream_channel]
- win32 2.7.0 [ffi]
- xdg_directories 0.2.0+2 [meta path process]
- xml 6.1.0 [collection meta petitparser]
- yaml 3.1.1 [collection source_span string_scanner]

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[darshankawar]

Thanks for the report. Using code sample provided, getting same behavior as reported.