Flutter share_plus is not working and getting error [duplicate] - flutter

I am trying to use the plugin
_launchURL(url) async {
await launch("www.google.com");
}
I have put "www.google.com" just for debugging purposes.
The error I get is MissingPluginException :
E/flutter ( 8299): MissingPluginException(No implementation found for method launch on channel plugins.flutter.io/url_launcher)
E/flutter ( 8299): #0 MethodChannel.invokeMethod (package:flutter/src/services/platform_channel.dart:278:7)
E/flutter ( 8299): <asynchronous suspension>
E/flutter ( 8299): #1 launch (package:url_launcher/url_launcher.dart:47:19)
E/flutter ( 8299): #2 _launchURL (file:///Users/matejsimunic/Work/dart/suhail/lib/main.dart:834:9)
E/flutter ( 8299): <asynchronous suspension>
E/flutter ( 8299): #3 _TripDetailBodyState.build.<anonymous closure> (file:///Users/matejsimunic/Work/dart/suhail/lib/main.dart:818:19)
E/flutter ( 8299): #4 _InkResponseState._handleTap (package:flutter/src/material/ink_well.dart:494:14)
E/flutter ( 8299): #5 _InkResponseState.build.<anonymous closure> (package:flutter/src/material/ink_well.dart:549:30)
E/flutter ( 8299): #6 GestureRecognizer.invokeCallback (package:flutter/src/gestures/recognizer.dart:102:24)
E/flutter ( 8299): #7 TapGestureRecognizer._checkUp (package:flutter/src/gestures/tap.dart:161:9)
E/flutter ( 8299): #8 TapGestureRecognizer.handlePrimaryPointer (package:flutter/src/gestures/tap.dart:94:7)
E/flutter ( 8299): #9 PrimaryPointerGestureRecognizer.handleEvent (package:flutter/src/gestures/recognizer.dart:315:9)
E/flutter ( 8299): #10 PointerRouter._dispatch (package:flutter/src/gestures/pointer_router.dart:73:12)
E/flutter ( 8299): #11 PointerRouter.route (package:flutter/src/gestures/pointer_router.dart:101:11)
E/flutter ( 8299): #12 _WidgetsFlutterBinding&BindingBase&GestureBinding.handleEvent (package:flutter/src/gestures/binding.dart:143:19)
E/flutter ( 8299): #13 _WidgetsFlutterBinding&BindingBase&GestureBinding.dispatchEvent (package:flutter/src/gestures/binding.dart:121:22)
E/flutter ( 8299): #14 _WidgetsFlutterBinding&BindingBase&GestureBinding._handlePointerEvent (package:flutter/src/gestures/binding.dart:101:7)
E/flutter ( 8299): #15 _WidgetsFlutterBinding&BindingBase&GestureBinding._flushPointerEventQueue (package:flutter/src/gestures/binding.dart:64:7)
E/flutter ( 8299): #16 _WidgetsFlutterBinding&BindingBase&GestureBinding._handlePointerDataPacket (package:flutter/src/gestures/binding.dart:48:7)
E/flutter ( 8299): #17 _invoke1 (dart:ui/hooks.dart:134:13)
E/flutter ( 8299): #18 _dispatchPointerDataPacket (dart:ui/hooks.dart:91:5)
restarting the app from ide doesn't work.

If you are using hot restart or hot reload, it won't do the trick.
Since Flutter has to inject plugin dependencies into the platform-specific parts of your app, hot restart/hot reload is not enough to trigger the injection.
Check this issue for more.
Close the app and execute flutter run command.

flutter clean
Inside the console did the job as stated here

I faced this Error when using Url_launcher package. just had to stop and run the app, issue got solved

Simply Run these commands..
either--
Flutter clean
or
Invalidate Caches/Restart

Had problem while using flutter toast dependency and dependencies like facebook_login. I followed these steps and resolved it:
First, u need to test whether these toast and shared preference dependencies are causing problems or some other dependencies cause the problem.
For testing that, u need to create a new seprate flutter project having the same flutter toast and shared preference dependency and check now if u r able to get toasts or not.
If u r getting toast so there is no problem with ur toast dependency.
The problem might be in ur one of the social media dependency.
In my case, I followed the above steps and found that problem was in facebook dependency. Finally, I found that I did not provide details of my app at facebook developer console. So implemented that and my app was fine.

In my case it was for the cached_network_image plugin , I have removed cached_network_image from pubspec.yaml and replaced the implementation with Image.network and the problem has disappeared

In my case, I had this problem with the image picker, then I followed the documentation and used an emulator with api 29+, it didn't work before because I was using an emulator with api 28 https://pub.dev/packages/image_picker

Uninstalling and installing the app works for me

just open terminal and
step1 flutter clean
step2 flutter pub get
step3 flutter run
Its worked for me,
Thanks have a good day .

i think if you have already done flutter pub get on the dependency, and added all the requirements for the given platform you just have to flutter run your app

Related

Flutter custom native plugin conflicts with project code

For the Flutter app I’m working on, the company had a third party develop native Android and iOS code for an alarm to integrate into our app. I ran their sample app that they made and it ran just fine.
I copied the code over to my project and kept getting this error.
E/flutter (17290): [ERROR:flutter/lib/ui/ui_dart_state.cc(198)] Unhandled Exception: MissingPluginException(No implementation found for method alarmStatus on channel samples.flutter.dev/alarmStatus)
E/flutter (17290): #0 MethodChannel._invokeMethod
E/flutter (17290): #1 _MyHomePageState._getAlarmStatus
E/flutter (17290): <asynchronous suspension>
E/flutter (17290):
E/flutter (17290): [ERROR:flutter/lib/ui/ui_dart_state.cc(198)] Unhandled Exception: MissingPluginException(No implementation found for method alarmStatus on channel samples.flutter.dev/alarmStatus)
E/flutter (17290): #0 MethodChannel._invokeMethod
E/flutter (17290): <asynchronous suspension>
E/flutter (17290): #1 _MyHomePageState._getAlarmStatus
E/flutter (17290): <asynchronous suspension>
E/flutter (17290):
So, I created a new project and copied the code over and it worked great. While doing some troubleshooting, we found out that this issue sometimes appears with dependencies having issues with each other, so I copied all my dependencies from my app to the new project and got the same error. After commenting out dependencies to find which one may be causing the issue, I landed at the audio_service package. We did some more searching through forums and all, but weren’t able to figure out a solution.
Has anyone run into this issue before and been able to figure out what’s going on? Or have any ideas of what I can try?
I got the recommendation of having the other developers redo the native stuff with a different dependency, but I'm hoping to avoid that if possible.

Flutterfire configure Unexpected character (at character 1) error

I am developing a project with flutter and i want to add crashlytics to my project. Everything else works but flutterfire configure is giving me json error. I look every where for all possible answers but still not solving the issue.
npm commands
- firebase login
- npm install -g firebase-tools
- dart pub global activate flutterfire_cli
- flutterfire configure
all these commands is also works in android studio terminal. but flutterfire gives json error.
I already added the android dependencies for firebase.
error log
⠏ Fetching available Firebase projects...
Unhandled exception:
FormatException: Unexpected character (at character 1)
#
^
#0 _ChunkedJsonParser.fail (dart:convert-patch/convert_patch.dart:1383:5)
#1 _ChunkedJsonParser.parseNumber (dart:convert-patch/convert_patch.dart:1250:9)
#2 _ChunkedJsonParser.parse (dart:convert-patch/convert_patch.dart:915:22)
#3 _parseJson (dart:convert-patch/convert_patch.dart:35:10)
#4 JsonDecoder.convert (dart:convert/json.dart:612:36)
#5 runFirebaseCommand (package:flutterfire_cli/src/firebase.dart:95:25)
<asynchronous suspension>
#6 getProjects (package:flutterfire_cli/src/firebase.dart:114:20)
<asynchronous suspension>
#7 ConfigCommand._selectFirebaseProject (package:flutterfire_cli/src/commands/config.dart:278:24)
<asynchronous suspension>
#8 ConfigCommand.run (package:flutterfire_cli/src/commands/config.dart:368:37)
<asynchronous suspension>
#9 CommandRunner.runCommand (package:args/command_runner.dart:209:13)
<asynchronous suspension>
#10 main (file:///C:/Users/USER/AppData/Local/Pub/Cache/hosted/pub.dartlang.org/flutterfire_cli-0.2.4/bin/flutterfire.dart:57:5)
<asynchronous suspension>
⠧ Fetching available Firebase projects...
Unhandled exception:
FormatException: Unexpected character (at character 1)
#
^
#0 _ChunkedJsonParser.fail (dart:convert-patch/convert_patch.dart:1383:5)
#1 _ChunkedJsonParser.parseNumber (dart:convert-patch/convert_patch.dart:1250:9)
#2 _ChunkedJsonParser.parse (dart:convert-patch/convert_patch.dart:915:22)
#3 _parseJson (dart:convert-patch/convert_patch.dart:35:10)
#4 JsonDecoder.convert (dart:convert/json.dart:612:36)
#5 runFirebaseCommand (package:flutterfire_cli/src/firebase.dart:95:25)
<asynchronous suspension>
#6 getProjects (package:flutterfire_cli/src/firebase.dart:114:20)
<asynchronous suspension>
#7 ConfigCommand._selectFirebaseProject (package:flutterfire_cli/src/commands/config.dart:278:24)
<asynchronous suspension>
#8 ConfigCommand.run (package:flutterfire_cli/src/commands/config.dart:368:37)
<asynchronous suspension>
#9 CommandRunner.runCommand (package:args/command_runner.dart:209:13)
<asynchronous suspension>
#10 main (file:///C:/Users/USER/AppData/Local/Pub/Cache/hosted/pub.dartlang.org/flutterfire_cli-0.2.4/bin/flutterfire.dart:57:5)
<asynchronous suspension>
Would you please help me to solve this issue?
For those of us on windows, do not forget to check if you are running an old version which you may have configured the PATH to point to. This seemed to be the problem in my case. I resolved by removing the old windows binary, then did a fresh install using npm (a fresh/updated windows install may work too). :
npm install -g firebase-tools
followed by:
firebase logout
firebase login
then:
flutterfire configure
**** update ****
i resolve error by this step :
1 - re connect to network
2 - run dart pub global activate flutterfire_cli
3- run flutterfire configure
see Docs help you to get started
Add Firebase To Flutter App
hope this help you
same error here i used firebase in another project but in this project it give me this
Unhandled exception:
FormatException: Unexpected character (at line 5, character 1)
{
^
#0 _ChunkedJsonParser.fail (dart:convert-patch/convert_patch.dart:1383:5)
#1 _ChunkedJsonParser.parse (dart:convert-patch/convert_patch.dart:848:48)
#2 _parseJson (dart:convert-patch/convert_patch.dart:35:10)
#3 JsonDecoder.convert (dart:convert/json.dart:612:36)
#4 runFirebaseCommand (package:flutterfire_cli/src/firebase.dart:95:25)
<asynchronous suspension>
#5 getApps (package:flutterfire_cli/src/firebase.dart:162:20)
<asynchronous suspension>
#6 findOrCreateFirebaseApp (package:flutterfire_cli/src/firebase.dart:257:34)
<asynchronous suspension>
#7 FirebaseAndroidOptions.forFlutterApp (package:flutterfire_cli/src/firebase/firebase_android_options.dart:47:25)
<asynchronous suspension>
#8 ConfigCommand.run (package:flutterfire_cli/src/commands/config.dart:377:24)
<asynchronous suspension>
#9 CommandRunner.runCommand (package:args/command_runner.dart:209:13)
<asynchronous suspension>
#10 main (file:///home/abdalazeez/.pub-cache/hosted/pub.dartlang.org/flutterfire_cli-0.2.4/bin/flutterfire.dart:57:5)
<asynchronous suspension>
and this content file
try {
final flutterApp = await FlutterApp.load(Directory.current);
await FlutterFireCommandRunner(flutterApp).run(arguments); <=====the error happen here
} on FlutterFireException catch (err) {
if (utils.activeSpinnerState != null) {
try {
utils.activeSpinnerState!.done();
} catch (_) {}
}
stderr.writeln(err.toString());
exitCode = 1;
} catch (err) {
exitCode = 1;
rethrow;
}
Try installing the Firebase CLI using the standalone binary instead of NPM on Windows, or the install script on Mac.
following steps helped me:
update firebase cli
curl -sL firebase.tools | upgrade=true bash
call
firebase login --reauth
reference:
https://github.com/invertase/flutterfire_cli/issues/27
downloading and installing the node.js setup does the trick for me,
after installation, search for the node.js terminal , then run 'firebase login', after login successfully, then run 'dart pub global activate flutterfire_cli', after succesfully getting the flutterfire cli, then navigate to the folder where the flutter app you created is using the cd(change directory)
after navigating to the directory, then run 'flutterfire configure'
this would create a firebase project in your flutter app project. finish
install latest version of npm and then run command of flutter fire.
example: from any directory run: npm install -g npm#latest version
=> npm install -g npm#9.2.0
as of now latest version of npm is 9.2.0
Deleting the C:\Users\USERNAME.cache\firebase folder
Then re-running flutterfire configure worked for me after first trying the standalone binary and then nvm.

LateInitializationError: Field 'annotationAst' has not been initialized

I upgrade my packages using dart pub outdated --mode=null-safety command. after updating my packages I got this error while running dart migrate to migrate my code to null-safety.
also when I tried to run flutter pub run build_runner build --delete-conflicting-outputs command for moor database.
I have no clue where this error is coming from and my codebase is really big to search for any initialization or annotation
Why does this issue happen and How can I solve that?
LateInitializationError: Field 'annotationAst' has not been initialized.
#0 ElementAnnotationImpl.annotationAst (package:analyzer/src/dart/element/element.dart)
#1 ConstantEvaluationEngine.computeDependencies (package:analyzer/src/dart/constant/evaluation.dart:336:39)
#2 _ConstantWalker._computeDependencies (package:analyzer/src/dart/constant/compute.dart:75:22)
#3 _ConstantNode.computeDependencies (package:analyzer/src/dart/constant/compute.dart:43:19)
#4 Node.getDependencies (package:analyzer/src/summary/link.dart:148:40)
#5 DependencyWalker.walk.strongConnect (package:analyzer/src/summary/link.dart:53:40)
#6 DependencyWalker.walk (package:analyzer/src/summary/link.dart:119:18)
#7 computeConstants (package:analyzer/src/dart/constant/compute.dart:26:14)
#8 LibraryAnalyzer._computeConstants (package:analyzer/src/dart/analysis/library_analyzer.dart:250:5)
#9 LibraryAnalyzer.analyzeSync (package:analyzer/src/dart/analysis/library_analyzer.dart:135:5)
#10 LibraryAnalyzer.analyze (package:analyzer/src/dart/analysis/library_analyzer.dart:103:12)
#11 AnalysisDriver._computeAnalysisResult.<anonymous closure> (package:analyzer/src/dart/analysis/driver.dart:1624:63)
#12 PerformanceLog.run (package:analyzer/src/dart/analysis/performance_logger.dart:32:15)
#13 AnalysisDriver._computeAnalysisResult (package:analyzer/src/dart/analysis/driver.dart:1600:20)
#14 AnalysisDriver._computeErrors (package:analyzer/src/dart/analysis/driver.dart:1678:26)
#15 AnalysisDriver.performWork (package:analyzer/src/dart/analysis/driver.dart:1301:20)
#16 AnalysisDriverScheduler._run (package:analyzer/src/dart/analysis/driver.dart:2334:24)

flutter build apk --release fails while flutter build apk -- debug works fine

I need to release a signed apk for my flutter project, but the "flutter build apk --release" command fails.
The "flutter build apk --debug" command works fine.
I have checked the setup using "flutter doctor" and everything seems fine.
I have tried cleaning the project with flutter clean but it didn't help.
The error returned by the "flutter build apk --debug -v" is:
Gradle build failed to produce an Android package.
#0 throwToolExit (package:flutter_tools/src/base/common.dart:24:3)
#1 _buildGradleProjectV2 (package:flutter_tools/src/android/gradle.dart:484:7)
<asynchronous suspension>
#2 buildGradleProject (package:flutter_tools/src/android/gradle.dart:346:14)
<asynchronous suspension>
#3 buildApk (package:flutter_tools/src/android/apk.dart:34:9)
<asynchronous suspension>
#4 BuildApkCommand.runCommand (package:flutter_tools/src/commands/build_apk.dart:51:11)
<asynchronous suspension>
#5 FlutterCommand.verifyThenRunCommand (package:flutter_tools/src/runner/flutter_command.dart:559:18)
#6 _asyncThenWrapperHelper.<anonymous closure> (dart:async-patch/async_patch.dart:77:64)
#7 _rootRunUnary (dart:async/zone.dart:1132:38)
#8 _CustomZone.runUnary (dart:async/zone.dart:1029:19)
#9 _FutureListener.handleValue (dart:async/future_impl.dart:126:18)
#10 Future._propagateToListeners.handleValueCallback (dart:async/future_impl.dart:639:45)
#11 Future._propagateToListeners (dart:async/future_impl.dart:668:32)
#12 Future._complete (dart:async/future_impl.dart:473:7)
#13 _SyncCompleter.complete (dart:async/future_impl.dart:51:12)
#14 _AsyncAwaitCompleter.complete.<anonymous closure> (dart:async-patch/async_patch.dart:33:20)
#15 _rootRun (dart:async/zone.dart:1124:13)
#16 _CustomZone.run (dart:async/zone.dart:1021:19)
#17 _CustomZone.bindCallback.<anonymous closure> (dart:async/zone.dart:947:23)
#18 _microtaskLoop (dart:async/schedule_microtask.dart:41:21)
#19 _startMicrotaskLoop (dart:async/schedule_microtask.dart:50:5)
#20 _runPendingImmediateCallback (dart:isolate-patch/isolate_patch.dart:115:13)
#21 _RawReceivePortImpl._handleMessage (dart:isolate-patch/isolate_patch.dart:172:5)
Error was due to invalid password for the keystore. After fixing it, build compleded correctly.
According to Android SDK docs you can use the following command depending on the sdkmanager location: Docs on --licenses option seems to be missing though.
yes | sdkmanager --licenses
GNU/Linux Distributions:
yes | ~/Android/Sdk/tools/bin/sdkmanager --licenses
macOS:
export JAVA_HOME=/Applications/Android\
Studio.app/Contents/jre/jdk/Contents/Home
yes | ~/Library/Android/sdk/tools/bin/sdkmanager --licenses
Windows:
%ANDROID_HOME%/tools/bin/sdkmanager --licenses
Run Flutter Clean Also
If you have following this link properly of Signing the app if you want to upload it to play store then following command should work properly :
flutter build apk --release
If above doesn't work try to use :
flutter build apk // this command default creates the release apk, but don't know if you can upload it to play store

MissingPluginException while using plugin for flutter

I am trying to use the plugin
_launchURL(url) async {
await launch("www.google.com");
}
I have put "www.google.com" just for debugging purposes.
The error I get is MissingPluginException :
E/flutter ( 8299): MissingPluginException(No implementation found for method launch on channel plugins.flutter.io/url_launcher)
E/flutter ( 8299): #0 MethodChannel.invokeMethod (package:flutter/src/services/platform_channel.dart:278:7)
E/flutter ( 8299): <asynchronous suspension>
E/flutter ( 8299): #1 launch (package:url_launcher/url_launcher.dart:47:19)
E/flutter ( 8299): #2 _launchURL (file:///Users/matejsimunic/Work/dart/suhail/lib/main.dart:834:9)
E/flutter ( 8299): <asynchronous suspension>
E/flutter ( 8299): #3 _TripDetailBodyState.build.<anonymous closure> (file:///Users/matejsimunic/Work/dart/suhail/lib/main.dart:818:19)
E/flutter ( 8299): #4 _InkResponseState._handleTap (package:flutter/src/material/ink_well.dart:494:14)
E/flutter ( 8299): #5 _InkResponseState.build.<anonymous closure> (package:flutter/src/material/ink_well.dart:549:30)
E/flutter ( 8299): #6 GestureRecognizer.invokeCallback (package:flutter/src/gestures/recognizer.dart:102:24)
E/flutter ( 8299): #7 TapGestureRecognizer._checkUp (package:flutter/src/gestures/tap.dart:161:9)
E/flutter ( 8299): #8 TapGestureRecognizer.handlePrimaryPointer (package:flutter/src/gestures/tap.dart:94:7)
E/flutter ( 8299): #9 PrimaryPointerGestureRecognizer.handleEvent (package:flutter/src/gestures/recognizer.dart:315:9)
E/flutter ( 8299): #10 PointerRouter._dispatch (package:flutter/src/gestures/pointer_router.dart:73:12)
E/flutter ( 8299): #11 PointerRouter.route (package:flutter/src/gestures/pointer_router.dart:101:11)
E/flutter ( 8299): #12 _WidgetsFlutterBinding&BindingBase&GestureBinding.handleEvent (package:flutter/src/gestures/binding.dart:143:19)
E/flutter ( 8299): #13 _WidgetsFlutterBinding&BindingBase&GestureBinding.dispatchEvent (package:flutter/src/gestures/binding.dart:121:22)
E/flutter ( 8299): #14 _WidgetsFlutterBinding&BindingBase&GestureBinding._handlePointerEvent (package:flutter/src/gestures/binding.dart:101:7)
E/flutter ( 8299): #15 _WidgetsFlutterBinding&BindingBase&GestureBinding._flushPointerEventQueue (package:flutter/src/gestures/binding.dart:64:7)
E/flutter ( 8299): #16 _WidgetsFlutterBinding&BindingBase&GestureBinding._handlePointerDataPacket (package:flutter/src/gestures/binding.dart:48:7)
E/flutter ( 8299): #17 _invoke1 (dart:ui/hooks.dart:134:13)
E/flutter ( 8299): #18 _dispatchPointerDataPacket (dart:ui/hooks.dart:91:5)
restarting the app from ide doesn't work.
If you are using hot restart or hot reload, it won't do the trick.
Since Flutter has to inject plugin dependencies into the platform-specific parts of your app, hot restart/hot reload is not enough to trigger the injection.
Check this issue for more.
Close the app and execute flutter run command.
flutter clean
Inside the console did the job as stated here
I faced this Error when using Url_launcher package. just had to stop and run the app, issue got solved
Simply Run these commands..
either--
Flutter clean
or
Invalidate Caches/Restart
Had problem while using flutter toast dependency and dependencies like facebook_login. I followed these steps and resolved it:
First, u need to test whether these toast and shared preference dependencies are causing problems or some other dependencies cause the problem.
For testing that, u need to create a new seprate flutter project having the same flutter toast and shared preference dependency and check now if u r able to get toasts or not.
If u r getting toast so there is no problem with ur toast dependency.
The problem might be in ur one of the social media dependency.
In my case, I followed the above steps and found that problem was in facebook dependency. Finally, I found that I did not provide details of my app at facebook developer console. So implemented that and my app was fine.
In my case it was for the cached_network_image plugin , I have removed cached_network_image from pubspec.yaml and replaced the implementation with Image.network and the problem has disappeared
In my case, I had this problem with the image picker, then I followed the documentation and used an emulator with api 29+, it didn't work before because I was using an emulator with api 28 https://pub.dev/packages/image_picker
Uninstalling and installing the app works for me
just open terminal and
step1 flutter clean
step2 flutter pub get
step3 flutter run
Its worked for me,
Thanks have a good day .
i think if you have already done flutter pub get on the dependency, and added all the requirements for the given platform you just have to flutter run your app