🐛 [firebase_messaging] Conflict if using FlutterFragmentActivity - Android #4078

E/MethodChannel#plugins.flutter.io/firebase_messaging(10254): Failed to handle method call
E/MethodChannel#plugins.flutter.io/firebase_messaging(10254): java.lang.ClassCastException: io.flutter.embedding.android.FlutterFragmentActivity cannot be cast to io.flutter.embedding.android.FlutterActivity
E/MethodChannel#plugins.flutter.io/firebase_messaging(10254): 	at io.flutter.plugins.firebase.messaging.FlutterFirebaseMessagingPlugin.onMethodCall(FlutterFirebaseMessagingPlugin.java:300)
E/MethodChannel#plugins.flutter.io/firebase_messaging(10254): 	at io.flutter.plugin.common.MethodChannel$IncomingMethodCallHandler.onMessage(MethodChannel.java:233)
E/MethodChannel#plugins.flutter.io/firebase_messaging(10254): 	at io.flutter.embedding.engine.dart.DartMessenger.handleMessageFromDart(DartMessenger.java:85)
E/MethodChannel#plugins.flutter.io/firebase_messaging(10254): 	at io.flutter.embedding.engine.FlutterJNI.handlePlatformMessage(FlutterJNI.java:692)
E/MethodChannel#plugins.flutter.io/firebase_messaging(10254): 	at android.os.MessageQueue.nativePollOnce(Native Method)
E/MethodChannel#plugins.flutter.io/firebase_messaging(10254): 	at android.os.MessageQueue.next(MessageQueue.java:336)
E/MethodChannel#plugins.flutter.io/firebase_messaging(10254): 	at android.os.Looper.loop(Looper.java:174)
E/MethodChannel#plugins.flutter.io/firebase_messaging(10254): 	at android.app.ActivityThread.main(ActivityThread.java:7356)
E/MethodChannel#plugins.flutter.io/firebase_messaging(10254): 	at java.lang.reflect.Method.invoke(Native Method)
E/MethodChannel#plugins.flutter.io/firebase_messaging(10254): 	at com.android.internal.os.RuntimeInit$MethodAndArgsCaller.run(RuntimeInit.java:491)
E/MethodChannel#plugins.flutter.io/firebase_messaging(10254): 	at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:940)
E/flutter (10254): [ERROR:flutter/lib/ui/ui_dart_state.cc(177)] Unhandled Exception: PlatformException(error, io.flutter.embedding.android.FlutterFragmentActivity cannot be cast to io.flutter.embedding.android.FlutterActivity, null, java.lang.ClassCastException: io.flutter.embedding.android.FlutterFragmentActivity cannot be cast to io.flutter.embedding.android.FlutterActivity
E/flutter (10254): 	at io.flutter.plugins.firebase.messaging.FlutterFirebaseMessagingPlugin.onMethodCall(FlutterFirebaseMessagingPlugin.java:300)
E/flutter (10254): 	at io.flutter.plugin.common.MethodChannel$IncomingMethodCallHandler.onMessage(MethodChannel.java:233)
E/flutter (10254): 	at io.flutter.embedding.engine.dart.DartMessenger.handleMessageFromDart(DartMessenger.java:85)
E/flutter (10254): 	at io.flutter.embedding.engine.FlutterJNI.handlePlatformMessage(FlutterJNI.java:692)
E/flutter (10254): 	at android.os.MessageQueue.nativePollOnce(Native Method)
E/flutter (10254): 	at android.os.MessageQueue.next(MessageQueue.java:336)
E/flutter (10254): 	at android.os.Looper.loop(Looper.java:174)
E/flutter (10254): 	at android.app.ActivityThread.main(ActivityThread.java:7356)
E/flutter (10254): 	at java.lang.reflect.Method.invoke(Native Method)
E/flutter (10254): 	at com.android.internal.os.RuntimeInit$MethodAndArgsCaller.run(RuntimeInit.java:491)
E/flutter (10254): 	at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:940)
E/flutter (10254): )
E/flutter (10254): #0      StandardMethodCodec.decodeEnvelope
package:flutter/…/services/message_codecs.dart:582
E/flutter (10254): #1      MethodChannel._invokeMethod
package:flutter/…/services/platform_channel.dart:159
E/flutter (10254): <asynchronous suspension>
E/flutter (10254): #2      MethodChannel.invokeMethod
package:flutter/…/services/platform_channel.dart:332
E/flutter (10254): #3      MethodChannel.invokeMapMethod
package:flutter/…/services/platform_channel.dart:359
E/flutter (10254): #4      MethodChannelFirebaseMessaging.registerBackgroundMessageHandler
package:firebase_messaging_platform_interface/…/method_channel/method_channel_messaging.dart:179
E/flutter (10254): #5      FirebaseMessagingPlatform.onBackgroundMessage=
package:firebase_messaging_platform_interface/…/platform_interface/platform_interface_messaging.dart:107
E/flutter (10254): #6      FirebaseMessaging.onBackgroundMessage
package:firebase_messaging/src/messaging.dart:103
E/flutter (10254): #7      NotificationsHandler.configure
package:testapp/utils/NotificationsHandler.dart:32
E/flutter (10254): #8      _HomeState.initState
package:testapp/main.dart:199
E/flutter (10254): #9      StatefulElement._firstBuild
package:flutter/…/widgets/framework.dart:4765
E/flutter (10254): #10     ComponentElement.mount
package:flutter/…/widgets/framework.dart:4601
E/flutter (10254): #11     Element.inflateWidget
package:flutter/…/widgets/framework.dart:3569
E/flutter (10254): #12     Element.updateChild
package:flutter/…/widgets/framework.dart:3327
E/flutter (10254): #13     SingleChildRenderObjectElement.mount
package:flutter/…/widgets/framework.dart:6118
E/flutter (10254): #14     Element.inflateWidget
package:flutter/…/widgets/framework.dart:3569
E/flutter (10254): #15     Element.updateChild
package:flutter/…/widgets/framework.dart:3327
E/flutter (10254): #16     ComponentElement.performRebuild
package:flutter/…/widgets/framework.dart:4652
E/flutter (10254): #17     Element.rebuild
package:flutter/…/widgets/framework.dart:4343
E/flutter (10254): #18     ComponentElement._firstBuild
package:flutter/…/widgets/framework.dart:4606
E/flutter (10254): #19     ComponentElement.mount
package:flutter/…/widgets/framework.dart:4601
E/flutter (10254): #20     Element.inflateWidget
package:flutter/…/widgets/framework.dart:3569
E/flutter (10254): #21     Element.updateChild
package:flutter/…/widgets/framework.dart:3327
E/flutter (10254): #22     SingleChildRenderObjectElement.mount
package:flutter/…/widgets/framework.dart:6118
E/flutter (10254): #23     Element.inflateWidget
package:flutter/…/widgets/framework.dart:3569
E/flutter (10254): #24     Element.updateChild
package:flutter/…/widgets/framework.dart:3327
E/flutter (10254): #25     SingleChildRenderObjectElement.mount
package:flutter/…/widgets/framework.dart:6118
E/flutter (10254): #26     Element.inflateWidget
package:flutter/…/widgets/framework.dart:3569
E/flutter (10254): #27     Element.updateChild
package:flutter/…/widgets/framework.dart:3327
E/flutter (10254): #28     ComponentElement.performRebuild
package:flutter/…/widgets/framework.dart:4652
E/flutter (10254): #29     StatefulElement.performRebuild
package:flutter/…/widgets/framework.dart:4800
E/flutter (10254): #30     Element.rebuild (pac

Doctor summary (to see all details, run flutter doctor -v):
[✓] Flutter (Channel stable, 1.22.2, on Microsoft Windows [Versione 10.0.19042.572], locale it-IT)

[✓] Android toolchain - develop for Android devices (Android SDK version 30.0.2)
[✓] Android Studio (version 4.0)
[✓] VS Code (version 1.51.0)
[✓] Connected device (1 available)

• No issues found!

Dart SDK 2.10.2
Flutter SDK 1.22.2
testapp 1.0.4+6

dependencies:
- animations 1.1.2 [flutter]
- cached_network_image 2.2.0+1 [flutter flutter_cache_manager]
- camera 0.5.8+11 [flutter]
- clipboard 0.1.2+8 [flutter]
- cupertino_icons 0.1.3
- device_info 0.4.2+7 [flutter device_info_platform_interface]
- email_validator 1.0.5
- esys_flutter_share 1.0.2 [flutter path_provider]
- firebase_core 0.5.2 [firebase_core_platform_interface flutter quiver meta firebase_core_web]
- firebase_messaging 8.0.0-dev.8 [meta flutter firebase_core firebase_core_platform_interface firebase_messaging_platform_interface]
- flare_flutter 2.0.6 [flutter flare_dart meta]
- flutter 0.0.0 [characters collection meta typed_data vector_math sky_engine]
- flutter_local_notifications 3.0.1+2 [flutter platform flutter_local_notifications_platform_interface timezone]
- flutter_localizations 0.0.0 [flutter intl characters collection meta path typed_data vector_math]
- flutter_secure_storage 3.3.3 [meta flutter]
- flutter_staggered_animations 0.1.2 [flutter]
- flutter_staggered_grid_view 0.3.0 [flutter]
- flutter_svg 0.18.1 [path_drawing xml vector_math meta flutter]
- hashids2 1.0.3
- http 0.12.2 [http_parser path pedantic]
- image_picker 0.6.7+7 [flutter flutter_plugin_android_lifecycle image_picker_platform_interface]
- intl 0.16.1 [path]
- local_auth 0.6.3+1 [flutter meta intl platform flutter_plugin_android_lifecycle]
- lottie 0.5.1 [flutter archive characters charcode collection logging meta path vector_math]
- mask_text_input_formatter 1.1.0 [flutter]
- overlay_support 1.0.5 [flutter async]
- package_info 0.4.3 [flutter]
- path_provider 1.6.14 [flutter path_provider_platform_interface path_provider_macos path_provider_linux]
- photo_manager 0.5.8 [flutter]
- progressive_image 1.0.1 [flutter]
- provider 4.3.2+1 [flutter nested collection]
- pull_to_refresh 1.6.1 [flutter]
- shared_preferences 0.5.10 [meta flutter shared_preferences_platform_interface shared_preferences_linux shared_preferences_macos shared_preferences_web]
- shimmer 1.1.1 [flutter]
- smooth_page_indicator 0.1.5 [flutter]
- uni_links 0.4.0 [flutter]
- url_launcher 5.5.2 [flutter url_launcher_platform_interface url_launcher_web url_launcher_linux url_launcher_macos]
- vibration 1.4.0 [flutter]
- video_player 0.10.12+2 [meta video_player_platform_interface video_player_web flutter]
- web_socket_channel 1.1.0 [async crypto stream_channel]

dev dependencies:
- flutter_test 0.0.0 [flutter test_api path fake_async clock stack_trace vector_math async boolean_selector characters charcode collection matcher meta source_span stream_channel string_scanner term_glyph typed_data]

transitive dependencies:
- archive 2.0.13 [crypto args path]
- args 1.6.0
- async 2.5.0-nullsafety.1 [collection]
- boolean_selector 2.1.0-nullsafety.1 [source_span string_scanner]
- characters 1.1.0-nullsafety.3
- charcode 1.2.0-nullsafety.1
- clock 1.1.0-nullsafety.1
- collection 1.15.0-nullsafety.3
- convert 2.1.1 [charcode typed_data]
- crypto 2.1.5 [collection convert typed_data]
- device_info_platform_interface 1.0.1 [flutter meta plugin_platform_interface]
- fake_async 1.2.0-nullsafety.1 [clock collection]
- file 5.2.1 [intl meta path]
- firebase_core_platform_interface 2.0.0 [flutter meta plugin_platform_interface quiver]
- firebase_core_web 0.2.1 [firebase_core_platform_interface flutter flutter_web_plugins meta js]
- firebase_messaging_platform_interface 1.0.0-dev.5 [flutter meta firebase_core plugin_platform_interface]
- flare_dart 2.3.4
- flutter_cache_manager 1.4.2 [flutter path_provider uuid http path sqflite pedantic clock file rxdart]
- flutter_local_notifications_platform_interface 2.0.0 [flutter plugin_platform_interface]
- flutter_plugin_android_lifecycle 1.0.8 [flutter]
- flutter_web_plugins 0.0.0 [flutter characters collection meta typed_data vector_math]
- http_parser 3.1.4 [charcode collection source_span string_scanner typed_data]
- image_picker_platform_interface 1.1.0 [flutter meta http plugin_platform_interface]
- js 0.6.2
- logging 0.11.4
- matcher 0.12.10-nullsafety.1 [stack_trace]
- meta 1.3.0-nullsafety.3
- nested 0.0.4 [flutter]
- path 1.8.0-nullsafety.1
- path_drawing 0.4.1+1 [vector_math meta path_parsing flutter]
- path_parsing 0.1.4 [vector_math meta]
- path_provider_linux 0.0.1+2 [path xdg_directories path_provider_platform_interface flutter]
- path_provider_macos 0.0.4+3 [flutter]
- path_provider_platform_interface 1.0.3 [flutter meta platform plugin_platform_interface]
- pedantic 1.9.0
- petitparser 3.0.4 [meta]
- platform 2.2.1
- platform_detect 1.4.0 [meta pub_semver]
- plugin_platform_interface 1.0.2 [meta]
- process 3.0.13 [file intl meta path platform]
- pub_semver 1.4.4 [collection]
- quiver 2.1.3 [matcher meta]
- rxdart 0.24.1
- shared_preferences_linux 0.0.2+2 [file flutter meta path path_provider_linux shared_preferences_platform_interface]
- shared_preferences_macos 0.0.1+10 [shared_preferences_platform_interface flutter]
- shared_preferences_platform_interface 1.0.4 [meta flutter]
- shared_preferences_web 0.1.2+7 [shared_preferences_platform_interface flutter flutter_web_plugins meta]
- sky_engine 0.0.99
- source_span 1.8.0-nullsafety.2 [charcode collection path term_glyph]
- sqflite 1.3.1+1 [flutter sqflite_common path]
- sqflite_common 1.0.2+1 [synchronized path meta]
- stack_trace 1.10.0-nullsafety.1 [path]
- stream_channel 2.1.0-nullsafety.1 [async]
- string_scanner 1.1.0-nullsafety.1 [charcode source_span]
- synchronized 2.2.0+2
- term_glyph 1.2.0-nullsafety.1
- test_api 0.2.19-nullsafety.2 [async boolean_selector collection meta path source_span stack_trace stream_channel string_scanner term_glyph matcher]
- timezone 0.5.9 [path]
- typed_data 1.3.0-nullsafety.3 [collection]
- url_launcher_linux 0.0.1+1 [flutter]
- url_launcher_macos 0.0.1+7 [flutter]
- url_launcher_platform_interface 1.0.8 [flutter meta plugin_platform_interface]
- url_launcher_web 0.1.3+1 [url_launcher_platform_interface platform_detect flutter flutter_web_plugins meta]
- uuid 2.2.2 [crypto convert]
- vector_math 2.1.0-nullsafety.3
- video_player_platform_interface 2.1.1 [flutter meta]
- video_player_web 0.1.3+2 [flutter flutter_web_plugins meta video_player_platform_interface]
- xdg_directories 0.1.0 [path process flutter]
- xml 4.2.0 [collection convert meta petitparser]