flutter_background_service
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ekasetiawans
flutter_background_service Is Stopping Other Plugins As MissingPluginException On iOS
Remember, I have the latest version of flutter_background_service installed and working in both.
Hi, I am using a free Spotify account for development purposes only. I am trying to use this to connect my Flutter iOS application with Spotify. One thing to mention in advance is that the whole code I did is working fine on Android perfectly but not on iPhone. I followed the instructions in the section Setup the iOS SDK of Spotify iOS SDK Quick Start. It connects then returns a token and opens my application and songs start playing on Spotify. I am able to hit the button at the bottom and it also changes the song "I'll Make a Man Out of You" which is directly linked in the example at https://github.com/brim-borium/spotify_sdk/tree/main/example
Well I just copied example project files in my project and use my ClientID and RedirectURL and it works well in Andriod but when I run it on iOS it started giving me the below error...
AppRemote: Connecting...
[connection] nw_socket_handle_socket_event [C1.1.1:1] Socket SO_ERROR [61: Connection refused]
AppRemote: Established a connection to the Spotify app.
AppRemote: Authenticated with the Spotify app.
AppRemote: Established a session with the Spotify app.
flutter: \^[[38;5;12m┌───────────────────────────────────────────────────────────────────────────────────────────────────────────────────────<…>
flutter: \^[[38;5;12m│ #0 _SpotifyExampleState.setStatus (package:runwith/screens/SpotifyExample/Debugging.dart:647:13)<…>
flutter: \^[[38;5;12m│ #1 _SpotifyExampleState.getAccessToken (package:runwith/screens/SpotifyExample/Debugging.dart:459:7)<…>
flutter: \^[[38;5;12m├┄┄┄┄┄┄┄┄┄┄┄┄┄┄┄┄┄┄┄┄┄┄┄┄┄┄┄┄┄┄┄┄┄┄┄┄┄┄┄┄┄┄┄┄┄┄┄┄┄┄┄┄┄┄┄┄┄┄┄┄┄┄┄┄┄┄┄┄┄┄┄┄┄┄┄┄┄┄┄┄┄┄┄┄┄┄┄┄┄┄┄┄┄┄┄┄┄┄┄┄┄┄┄┄┄┄┄┄┄┄┄┄┄┄┄┄┄┄┄<…>
flutter: \^[[38;5;12m│ 22:26:44.966 (+0:01:30.499038)<…>
flutter: \^[[38;5;12m├┄┄┄┄┄┄┄┄┄┄┄┄┄┄┄┄┄┄┄┄┄┄┄┄┄┄┄┄┄┄┄┄┄┄┄┄┄┄┄┄┄┄┄┄┄┄┄┄┄┄┄┄┄┄┄┄┄┄┄┄┄┄┄┄┄┄┄┄┄┄┄┄┄┄┄┄┄┄┄┄┄┄┄┄┄┄┄┄┄┄┄┄┄┄┄┄┄┄┄┄┄┄┄┄┄┄┄┄┄┄┄┄┄┄┄┄┄┄┄<…>
flutter: \^[[38;5;12m│ 💡 Got a token: BQDPjhNCDTPalqK71CNYU2PGI_VF8ejg7PzaQK7e01p2mnpi4smf7bX5SCANXUd211T84grf_DgcKKmuWN7KbOGPy-sKESYmgKG59_4EC0MKX21E6mZ9UVPaH58D4ovtKg33DJRU9FRJEWODFOISYGIUU09S328EWEYYWR802384WUDJUF98YCOIFIHSDJHCJ38EYIEDN90WEUF0UJDOFCJW09R0JFOIJU0R9U0rlumS_GSMx-OR0arQdE7ayy-OJxIDXCyPIZ8o0NlQtQdPwoJ7ZIxT4vzmNj4kj4JnbWxiy2V5v6NdMhUY8qYLk7YmZSdY2oL8CZe9oMOGQSoXR7cJA<…>
flutter: \^[[38;5;12m└───────────────────────────────────────────────────────────────────────────────────────────────────────────────────────<…>
======== Exception caught by services library ======================================================
The following MissingPluginException was thrown while activating platform stream on channel player_state_subscription:
MissingPluginException(No implementation found for method listen on channel player_state_subscription)
When the exception was thrown, this was the stack:
#0 MethodChannel._invokeMethod (package:flutter/src/services/platform_channel.dart:313:7)
<asynchronous suspension>
#1 EventChannel.receiveBroadcastStream.<anonymous closure> (package:flutter/src/services/platform_channel.dart:662:9)
<asynchronous suspension>
====================================================================================================
======== Exception caught by services library ======================================================
The following MissingPluginException was thrown while activating platform stream on channel player_context_subscription:
MissingPluginException(No implementation found for method listen on channel player_context_subscription)
When the exception was thrown, this was the stack:
#0 MethodChannel._invokeMethod (package:flutter/src/services/platform_channel.dart:313:7)
<asynchronous suspension>
#1 EventChannel.receiveBroadcastStream.<anonymous closure> (package:flutter/src/services/platform_channel.dart:662:9)
<asynchronous suspension>
====================================================================================================
So my main bug is MissingPluginException(No implementation found for method listen on channel player_state_subscription) & MissingPluginException(No implementation found for method listen on channel player_context_subscription) that was not showing earlier and crashing the app in iOS then I did this https://www.appsloveworld.com/coding/ios/1092/gcdwebserver-always-aborts-on-options-check then I am able to see upper error code.
Here is the rest of the required details...
Other Plugin
dependencies:
flutter:
sdk: flutter
# The following adds the Cupertino Icons font to your application.
# Use with the CupertinoIcons class for iOS style icons.
cupertino_icons: ^1.0.2
# ThirdParty Dependencies Added Manually
shared_preferences: ^2.0.15
google_fonts: ^3.0.1
http: ^0.13.4
http_interceptor: ^1.0.2
dio: ^4.0.4
retrofit: ^3.0.0
flutter_datetime_picker: ^1.5.1
intl: ^0.17.0
fluttertoast: ^8.0.9
sn_progress_dialog: ^1.1.3
flutter_native_splash: ^2.2.14
flutter_launcher_icons: ^0.10.0
animated_splash_screen: ^1.3.0
country_code_picker: ^2.0.2
country_codes: ^2.2.0
animated_bottom_navigation_bar: ^1.1.0
carousel_slider: ^4.1.1
csc_picker: ^0.2.6
google_maps_flutter: ^2.2.0
location: ^4.4.0
permission_handler: ^9.2.0
path_provider: ^2.0.8
provider: ^6.0.1
flutter_polyline_points: 1.0.0
share_plus: ^4.0.4
flutter_background_service: ^2.4.5
device_info_plus: ^8.0.0
sensors_plus: ^2.0.1
image_picker: ^0.8.4+8
better_player: any
flutter_google_places: 0.3.0
google_maps_webservice: ^0.0.19
google_api_headers: ^1.5.0
custom_marker: 1.0.0
pull_to_refresh: ^2.0.0
spotify_sdk: ^2.3.1
flutter_dotenv: ^5.0.2
cast: ^1.1.1
logger: ^1.1.0
flutter_vlc_player: ^7.1.4
app_settings: ^4.1.1
number_to_words: ^1.0.0
just_audio: ^0.9.31
webview_flutter: ^3.0.4
flutter_easyloading: ^3.0.5
flutter_html: ^3.0.0-alpha.6
just_the_tooltip: ^0.0.12
image: ^3.3.0
screenshot: ^1.3.0
Fluter Doctor
/Users/my_macbook_username/AndroidStudioProjects/flutter_v3.7.11/bin/flutter doctor --verbose
[!] Flutter (Channel stable, 3.7.11, on macOS 13.3.1 22E261 darwin-arm64, locale en-PK)
• Flutter version 3.7.11 on channel stable at /Users/my_macbook_username/AndroidStudioProjects/flutter_v3.7.11
! The flutter binary is not on your path. Consider adding /Users/my_macbook_username/AndroidStudioProjects/flutter_v3.7.11/bin to your path.
! The dart binary is not on your path. Consider adding /Users/my_macbook_username/AndroidStudioProjects/flutter_v3.7.11/bin to your path.
• Upstream repository https://github.com/flutter/flutter.git
• Framework revision f72efea43c (3 weeks ago), 2023-04-11 11:57:21 -0700
• Engine revision 1a65d409c7
• Dart version 2.19.6
• DevTools version 2.20.1
• If those were intentional, you can disregard the above warnings; however it is recommended to use "git" directly to perform update checks and upgrades.
[✓] Android toolchain - develop for Android devices (Android SDK version 33.0.0)
• Android SDK at /Users/exeideasmy_macbook_usernameLibrary/Android/sdk
• Platform android-33, build-tools 33.0.0
• Java binary at: /Applications/Android Studio.app/Contents/jre/Contents/Home/bin/java
• Java version OpenJDK Runtime Environment (build 11.0.13+0-b1751.21-8125866)
• All Android licenses accepted.
[✓] Xcode - develop for iOS and macOS (Xcode 14.3)
• Xcode at /Applications/Xcode.app/Contents/Developer
• Build 14E222b
• CocoaPods version 1.11.3
[✓] Chrome - develop for the web
• Chrome at /Applications/Google Chrome.app/Contents/MacOS/Google Chrome
[✓] Android Studio (version 2021.3)
• Android Studio at /Applications/Android Studio.app/Contents
• Flutter plugin can be installed from:
🔨 https://plugins.jetbrains.com/plugin/9212-flutter
• Dart plugin can be installed from:
🔨 https://plugins.jetbrains.com/plugin/6351-dart
• Java version OpenJDK Runtime Environment (build 11.0.13+0-b1751.21-8125866)
[✓] Connected device (3 available)
• SM A325F (mobile) • RF8R509QMYF • android-arm64 • Android 13 (API 33)
• macOS (desktop) • macos • darwin-arm64 • macOS 13.3.1 22E261 darwin-arm64
• Chrome (web) • chrome • web-javascript • Google Chrome 112.0.5615.137
[✓] HTTP Host Availability
• All required HTTP hosts are available
! Doctor found issues in 1 category.
Process finished with exit code 0
Target Platform, Version & Device
- OS & Version: [iOS 16.1, Android 13]
- Device: [iPhone X, Samsung A32]
Development OS
- OS: [Mac OS 13.3.1 (22E261)]
- Android Studio [Android Studio Dolphin | 2021.3.1 Patch 1]
UPDATE:
After trying multiple ways, I found out that "flutter_background_service" plugin is breaking this Spotify Player State Stream. When I stop background service then it is working fine but when I start background service before the Spotify connection then it is giving me this error. Now how to keep both?
