🐛 [firebase_messaging 8.0.0-dev.11 ] notification popup is showing up even when app is at foreground

[Nerogee]

Bug report

Describe the bug
A visible notification popup should not display when the app is running at foreground.

Steps to reproduce

Steps to reproduce the behavior:

Just try the official example at https://pub.dev/packages/firebase_messaging/versions/8.0.0-dev.11/example

Expected behavior

there should not be a popup when the app is running at foreground.

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Additional context

7.0.3 is tested to be good. I believe this issue only happen in dev version.

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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, 1.22.5, on Mac OS X 10.15.6 19G73 darwin-x64, locale en-GB)
 
[✓] Android toolchain - develop for Android devices (Android SDK version 30.0.2)
[✓] Xcode - develop for iOS and macOS (Xcode 12.2)
[✓] Android Studio (version 4.1)
[✓] Connected device (2 available)
 

• No issues found!

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Flutter dependencies

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

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Dart SDK 2.10.4
Flutter SDK 1.22.5
dozenbird 1.0.7+1

dependencies:
- app_settings 4.0.4 [flutter]
- cupertino_icons 1.0.0
- dash_chat 1.1.15 [flutter flutter_parsed_text uuid intl transparent_image]
- exif 1.0.3 [args collection convert sprintf]
- firebase_core 0.5.3 [firebase_core_platform_interface flutter quiver meta firebase_core_web]
- firebase_messaging 8.0.0-dev.11 [meta flutter firebase_core firebase_core_platform_interface firebase_messaging_platform_interface firebase_messaging_web]
- flutter 0.0.0 [characters collection meta typed_data vector_math sky_engine]
- flutter_icons 1.1.0 [flutter]
- flutter_inner_drawer 0.5.7+2 [flutter]
- flutter_launcher_icons 0.8.1 [image args yaml path]
- flutter_local_notifications 3.0.2 [flutter platform flutter_local_notifications_platform_interface timezone]
- flutter_localizations 0.0.0 [flutter intl characters collection meta path typed_data vector_math]
- flutter_redux 0.7.0 [meta redux flutter]
- flutter_slidable 0.5.7 [flutter]
- http 0.12.2 [http_parser path pedantic]
- i18n_extension 1.4.5 [sprintf args flutter]
- image 2.1.19 [archive xml meta]
- image_picker 0.6.7+17 [flutter flutter_plugin_android_lifecycle image_picker_platform_interface]
- package_info 0.4.3+2 [flutter]
- permission_handler 5.0.1+1 [flutter meta permission_handler_platform_interface]
- redux 4.0.0+3
- redux_saga 2.0.0 [redux]
- shared_preferences 0.5.12+4 [meta flutter shared_preferences_platform_interface shared_preferences_linux shared_preferences_macos shared_preferences_web shared_preferences_windows]
- shimmer 1.1.2 [flutter]
- simple_animations 2.4.2 [flutter supercharged sa_v1_migration pedantic]
- url_launcher 5.7.10 [flutter url_launcher_platform_interface url_launcher_web url_launcher_linux url_launcher_macos url_launcher_windows]

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]
- fake_async 1.2.0-nullsafety.1 [clock collection]
- ffi 0.1.3
- file 5.2.1 [intl meta path]
- firebase_core_platform_interface 2.1.0 [flutter meta plugin_platform_interface quiver]
- firebase_core_web 0.2.1+1 [firebase_core_platform_interface flutter flutter_web_plugins meta js]
- firebase_messaging_platform_interface 1.0.0-dev.7 [flutter meta firebase_core plugin_platform_interface]
- firebase_messaging_web 0.1.0-dev.2 [flutter flutter_web_plugins meta firebase_core firebase_core_web firebase_messaging_platform_interface js service_worker]
- flutter_local_notifications_platform_interface 2.0.0+1 [flutter plugin_platform_interface]
- flutter_parsed_text 1.2.5 [flutter]
- flutter_plugin_android_lifecycle 1.0.11 [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 1.1.1 [flutter meta http plugin_platform_interface]
- intl 0.16.1 [path]
- js 0.6.2
- matcher 0.12.10-nullsafety.1 [stack_trace]
- meta 1.3.0-nullsafety.3
- path 1.8.0-nullsafety.1
- path_provider_linux 0.0.1+2 [path xdg_directories path_provider_platform_interface flutter]
- path_provider_platform_interface 1.0.4 [flutter meta platform plugin_platform_interface]
- path_provider_windows 0.0.4+3 [path_provider_platform_interface meta path flutter ffi win32]
- pedantic 1.9.2 [meta]
- permission_handler_platform_interface 2.0.1 [flutter meta plugin_platform_interface]
- petitparser 3.1.0 [meta]
- platform 2.2.1
- plugin_platform_interface 1.0.3 [meta]
- process 3.0.13 [file intl meta path platform]
- quiver 2.1.5 [matcher meta]
- sa_v1_migration 1.1.2 [flutter]
- service_worker 0.2.4 [js]
- shared_preferences_linux 0.0.2+4 [file flutter meta path path_provider_linux shared_preferences_platform_interface]
- shared_preferences_macos 0.0.1+11 [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]
- shared_preferences_windows 0.0.1+3 [shared_preferences_platform_interface flutter ffi file meta path path_provider_platform_interface path_provider_windows]
- sky_engine 0.0.99
- source_span 1.8.0-nullsafety.2 [charcode collection path term_glyph]
- sprintf 4.1.0
- 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]
- supercharged 1.12.0 [supercharged_dart flutter]
- supercharged_dart 1.4.0
- 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]
- transparent_image 1.0.0
- typed_data 1.3.0-nullsafety.3 [collection]
- url_launcher_linux 0.0.1+4 [flutter]
- url_launcher_macos 0.0.1+9 [flutter]
- url_launcher_platform_interface 1.0.9 [flutter meta plugin_platform_interface]
- url_launcher_web 0.1.5+1 [url_launcher_platform_interface flutter flutter_web_plugins meta]
- url_launcher_windows 0.0.1+3 [flutter]
- uuid 2.2.2 [crypto convert]
- vector_math 2.1.0-nullsafety.3
- win32 1.7.4 [ffi]
- xdg_directories 0.1.2 [meta path process]
- xml 4.5.1 [collection convert meta petitparser]

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[Salakar]

This is working as intended. See: https://firebase.flutter.dev/docs/messaging/notifications#foreground-notifications

You can control this behaviour on those APIs mentioned there.