Flushbar throws error when we swipe from left to right to go back on ios. #17

withmukeshjoshi · 2018-11-05T07:10:45Z

if we try to go back via swiping on ios when flushbar is showing toast. it will go back in navigator and flush notification will remain at their positon.

AndreHaueisen · 2018-11-05T10:03:30Z

Hi @orangewp
Can you paste your code here, please?

withmukeshjoshi · 2018-11-14T09:23:29Z

hii after a lot of trying, I decided not to use the plugin in my app. Maybe I can reuse it to create the issue.

basically what I am doing is,

Popping up flushbar whenever app gets OnMessage() FCM notification.

in android I didnt notice any issue because of the back button but in IOS the swipe from left edge to right edge (which is common to go back) crashes the app.

AndreHaueisen · 2018-11-14T09:39:45Z

Sorry to hear that @orangewp
Unfortunately, I can not debug it on IOS since I do not own a MAC (it is too expensive in Brazil).
I will try to borrow one, but for now, I welcome PRs with possible solutions.

Do not know if this helps, but Flushbar pushes a route on top of the stack. Try dismissing Flushbar before going back.

In any case, thanks for your interest.

withmukeshjoshi · 2018-11-14T09:58:39Z

I really like your plugin. even if I am unable to use it.
the thing is the main stateful widget is pushing the flushbar popup, I cannot control it when I am deep down to another stateful widget.

I am not expert in the flutter/dart.

VadymPinchuk · 2018-11-20T10:55:13Z

Actually same issue is on Android ) so it can be checked. please take a look on that.
E/flutter (30885): 'package:flutter/src/widgets/navigator.dart': Failed assertion: line 1554 pos 12: '!_debugLocked': is not true. E/flutter (30885): #0 _AssertionError._doThrowNew (dart:core/runtime/liberrors_patch.dart:40:39) E/flutter (30885): #1 _AssertionError._throwNew (dart:core/runtime/liberrors_patch.dart:36:5) E/flutter (30885): #2 NavigatorState.push (package:flutter/src/widgets/navigator.dart:1554:12) E/flutter (30885): #3 Flushbar.show (package:flushbar/flushbar.dart:383:62) E/flutter (30885): <asynchronous suspension> E/flutter (30885): #4 HomePage.build.<anonymous closure> (package:flutter_flushbar/main.dart:97:23) E/flutter (30885): #5 _InkResponseState._handleTap (package:flutter/src/material/ink_well.dart:507:14) E/flutter (30885): #6 _InkResponseState.build.<anonymous closure> (package:flutter/src/material/ink_well.dart:562:30) E/flutter (30885): #7 GestureRecognizer.invokeCallback (package:flutter/src/gestures/recognizer.dart:102:24) E/flutter (30885): #8 TapGestureRecognizer._checkUp (package:flutter/src/gestures/tap.dart:242:9) E/flutter (30885): #9 TapGestureRecognizer.handlePrimaryPointer (package:flutter/src/gestures/tap.dart:175:7) E/flutter (30885): #10 PrimaryPointerGestureRecognizer.handleEvent (package:flutter/src/gestures/recognizer.dart:315:9) E/flutter (30885): #11 PointerRouter._dispatch (package:flutter/src/gestures/pointer_router.dart:73:12) E/flutter (30885): #12 PointerRouter.route (package:flutter/src/gestures/pointer_router.dart:101:11) E/flutter (30885): #13 _WidgetsFlutterBinding&BindingBase&GestureBinding.handleEvent (package:flutter/src/gestures/binding.dart:180:19) E/flutter (30885): #14 _WidgetsFlutterBinding&BindingBase&GestureBinding.dispatchEvent (package:flutter/src/gestures/binding.dart:158:22) E/flutter (30885): #15 _WidgetsFlutterBinding&BindingBase&GestureBinding._handlePointerEvent (package:flutter/src/gestures/binding.dart:138:7) E/flutter (30885): #16 _WidgetsFlutterBinding&BindingBase&GestureBinding._flushPointerEventQueue (package:flutter/src/gestures/binding.dart:101:7) E/flutter (30885): #17 _WidgetsFlutterBinding&BindingBase&GestureBinding._handlePointerDataPacket (package:flutter/src/gestures/binding.dart:85:7) E/flutter (30885): #18 _invoke1 (dart:ui/hooks.dart:168:13) E/flutter (30885): #19 _dispatchPointerDataPacket (dart:ui/hooks.dart:122:5)

AndreHaueisen · 2018-11-20T15:57:59Z

@I-am-original Thanks for reporting. Could you paste relevant code, please? Or share a link to your code. This could help me reproduce the error

AndreHaueisen · 2018-11-20T16:45:31Z

No need. I was able to reproduce it. Working on the solution.

AndreHaueisen · 2018-11-20T19:14:42Z

@I-am-original version 1.1.1 was released. Please, let me know if the problem was solved.

withmukeshjoshi · 2018-11-22T02:46:44Z

did it fixed my issue as well?

VadymPinchuk · 2018-11-22T08:58:02Z

@AndreHaueisen yes I have seen that. But have not checked. @orangewp it should fix issue with Navigator. Actually there where only one crash )

withmukeshjoshi · 2018-11-22T11:49:10Z

this is the error I am getting on ios when swiping.

flutter: ══╡ EXCEPTION CAUGHT BY ANIMATION LIBRARY ╞═════════════════════════════════════════════════════════
flutter: The following assertion was thrown while notifying status listeners for AnimationController:
flutter: Cannot reuse a MaterialPageRoute after disposing it.
flutter: 'package:flutter/src/widgets/routes.dart': Failed assertion: line 218 pos 12:
flutter: '!_transitionCompleter.isCompleted'
flutter:
flutter: Either the assertion indicates an error in the framework itself, or we should provide substantially
flutter: more information in this error message to help you determine and fix the underlying cause.
flutter: In either case, please report this assertion by filing a bug on GitHub:
flutter: https://github.com/flutter/flutter/issues/new
flutter:
flutter: When the exception was thrown, this was the stack:
flutter: #2 TransitionRoute.didPopNext (package:flutter/src/widgets/routes.dart:218:12)
flutter: #3 NavigatorState.pop (package:flutter/src/widgets/navigator.dart:1792:23)
flutter: #4 _CupertinoBackGestureController._handleStatusChanged (package:flutter/src/cupertino/route.dart:610:17)
flutter: #5 _AnimationController&Animation&AnimationEagerListenerMixin&AnimationLocalListenersMixin&AnimationLocalStatusListenersMixin.notifyStatusListeners (package:flutter/src/animation/listener_helpers.dart:161:19)
flutter: #6 AnimationController._checkStatusChanged (package:flutter/src/animation/animation_controller.dart:678:7)
flutter: #7 AnimationController._tick (package:flutter/src/animation/animation_controller.dart:694:5)
flutter: #8 Ticker._tick (package:flutter/src/scheduler/ticker.dart:228:5)
flutter: #9 _WidgetsFlutterBinding&BindingBase&GestureBinding&ServicesBinding&SchedulerBinding._invokeFrameCallback (package:flutter/src/scheduler/binding.dart:990:15)
flutter: #10 _WidgetsFlutterBinding&BindingBase&GestureBinding&ServicesBinding&SchedulerBinding.handleBeginFrame. (package:flutter/src/scheduler/binding.dart:906:11)
flutter: #11 __InternalLinkedHashMap&_HashVMBase&MapMixin&_LinkedHashMapMixin.forEach (dart:collection/runtime/libcompact_hash.dart:370:8)
flutter: #12 _WidgetsFlutterBinding&BindingBase&GestureBinding&ServicesBinding&SchedulerBinding.handleBeginFrame (package:flutter/src/scheduler/binding.dart:904:17)
flutter: #13 _WidgetsFlutterBinding&BindingBase&GestureBinding&ServicesBinding&SchedulerBinding._handleBeginFrame (package:flutter/src/scheduler/binding.dart:834:5)
flutter: #14 _invoke1 (dart:ui/hooks.dart:153:13)
flutter: #15 _beginFrame (dart:ui/hooks.dart:123:3)
flutter: (elided 2 frames from class _AssertionError)
flutter:
flutter: The AnimationController notifying status listeners was:
flutter: AnimationController#8a450(⏮ 0.000; paused; DISPOSED; for MaterialPageRoute(null))
flutter: ════════════════════════════════════════════════════════════════════════════════════════════════════

withmukeshjoshi · 2018-11-22T11:49:53Z

the the widget showing the flushbar is stacked and I am in deep down widget.

AndreHaueisen · 2018-11-22T11:56:04Z

This error happens when you try to reuse a dismissed Flushbar. An instance can be used only one time.
That being said, it is hard for me to diagnose the problem without the code.
@orangewp , it looks like you and @I-am-original are having different problems after all.

withmukeshjoshi · 2018-11-22T12:02:37Z

it is happenning when I am popping back but after duration ends it tried to close the flushbar

withmukeshjoshi · 2018-11-22T12:03:23Z

lets say i set duration 10 seconds and I pop back after flushbar shows.
when 10 seconds ends, it throws error.

AndreHaueisen · 2018-11-22T12:13:29Z

Ohh that helps a lot. The timer is not getting properly canceled. Thanks! I will try to solve it asap

withmukeshjoshi · 2018-11-22T12:59:37Z

sorry I was thinking more and I realised that you also set flushbar in a way that it automatically gets dismissed when navigator push or pop..
so
when push, it is working as expected but in pop, it is throwing the error because it might be trying to dismiss the flush after popping up

withmukeshjoshi · 2018-11-22T13:00:36Z

I double checked. Timer has nothing to do. The pop is throwing the error immediately.

withmukeshjoshi · 2018-11-22T13:03:21Z

only when popping by swiping in ios. If we press the back button in ios it is closing the flush on first tab and popping on second tap. means if flush is showing, then it takes two back button taps to go back. but in ios people usually use swipe to go back.

withmukeshjoshi · 2018-11-22T13:03:31Z

this is my observation. I hope it helps :)

01xJoao · 2019-02-11T11:31:21Z

I'm having the same issue, any fix for this?

AndreHaueisen · 2019-02-11T12:20:52Z

@joaowd I had to buy a MAC to test my apps (hate Apple expensive products)
Will begin debugging it as soon as it arrives.

01xJoao · 2019-02-11T12:39:26Z

@joaowd I had to buy a MAC to test my apps (hate Apple expensive products)
Will begin debugging it as soon as it arrives.

Thats great news, they are expensive but they are really good, you will love it :)

(I'm getting this exception on the both branches I tested (dev and master))

Exception Message:

flutter: ══╡ EXCEPTION CAUGHT BY ANIMATION LIBRARY ╞═════════════════════════════════════════════════════════
flutter: The following assertion was thrown while notifying status listeners for AnimationController:
flutter: Cannot reuse a MaterialPageRoute<dynamic> after disposing it.
flutter: 'package:flutter/src/widgets/routes.dart': Failed assertion: line 218 pos 12:
flutter: '!_transitionCompleter.isCompleted'
flutter:
flutter: Either the assertion indicates an error in the framework itself, or we should provide substantially
flutter: more information in this error message to help you determine and fix the underlying cause.
flutter: In either case, please report this assertion by filing a bug on GitHub:
flutter:   https://github.com/flutter/flutter/issues/new?template=BUG.md
flutter:
flutter: When the exception was thrown, this was the stack:
flutter: #2      TransitionRoute.didPopNext 
package:flutter/…/widgets/routes.dart:218
flutter: #3      NavigatorState.pop 
package:flutter/…/widgets/navigator.dart:1833
flutter: #4      _CupertinoBackGestureController._handleStatusChanged 
package:flutter/…/cupertino/route.dart:653
flutter: #5      _AnimationController&Animation&AnimationEagerListenerMixin&AnimationLocalListenersMixin&AnimationLocalStatusListenersMixin.notifyStatusListeners 
package:flutter/…/animation/listener_helpers.dart:192
flutter: #6      AnimationController._checkStatusChanged 
package:flutter/…/animation/animation_controller.dart:736
flutter: #7      AnimationController._tick 
package:flutter/…/animation/animation_controller.dart:752
flutter: #8      Ticker._tick 
package:flutter/…/scheduler/ticker.dart:228
flutter: #9      _WidgetsFlutterBinding&BindingBase&GestureBinding&ServicesBinding&SchedulerBinding._invokeFrameCallback 
package:flutter/…/scheduler/binding.dart:990
flutter: #10     _WidgetsFlutterBinding&BindingBase&GestureBinding&ServicesBinding&SchedulerBinding.handleBeginFrame.<anonymous closure> 
package:flutter/…/scheduler/binding.dart:906
flutter: #11     __InternalLinkedHashMap&_HashVMBase&MapMixin&_LinkedHashMapMixin.forEach (dart:collection/runtime/libcompact_hash.dart:367:8)
flutter: #12     _WidgetsFlutterBinding&BindingBase&GestureBinding&ServicesBinding&SchedulerBinding.handleBeginFrame 
package:flutter/…/scheduler/binding.dart:904
flutter: #13     _WidgetsFlutterBinding&BindingBase&GestureBinding&ServicesBinding&SchedulerBinding._handleBeginFrame 
package:flutter/…/scheduler/binding.dart:834
flutter: #17     _invoke1 (dart:ui/hooks.dart:203:10)
flutter: #18     _beginFrame (dart:ui/hooks.dart:156:3)
flutter: (elided 5 frames from class _AssertionError and package dart:async)
flutter:
flutter: The AnimationController notifying status listeners was:
flutter:   AnimationController#1b6d1(⏮ 0.000; paused; DISPOSED; for MaterialPageRoute<dynamic>(null))

AndreHaueisen · 2019-03-02T14:37:26Z

Trying to find a solution with the flutter team

01xJoao · 2019-03-02T14:40:44Z

Since you use context to pop the bar, I don't think there is a solution.

I'm using this package https://pub.dartlang.org/packages/overlay_support

AndreHaueisen · 2019-03-02T14:57:34Z

Context has nothing to do with it. This package also requires context to push the notification.

AndreHaueisen · 2019-03-05T18:22:49Z

Just released a new feature that offers a temporary workaround. Use FlushbarPosition.TOP with FlushbarStyle.GROUNDED so the user will have to dismiss the notification first before being able to do the "swipe to go back" gesture

AndreHaueisen · 2019-03-06T23:18:41Z

This issue was fixed on Flutter master channel.
To use it, type the command in the terminal flutter channel master.
This should eventually come to the stable channel.

AndreHaueisen · 2019-03-06T23:26:19Z

Leaving it open while this does not hit stable to inform new users.

AndreHaueisen · 2019-06-01T00:31:23Z

See issue

ricpar11 · 2019-11-18T20:41:48Z

It's a shame that this issue has not been solved yet, I love this library but this forces me to look for alternatives 😭

AndreHaueisen · 2020-06-05T14:01:49Z

This issue was moved to
#104

AndreHaueisen added the help wanted label Nov 9, 2018

AndreHaueisen closed this as completed Mar 6, 2019

AndreHaueisen added fixed on master This issue is solved on the flutter master channel and removed help wanted labels Mar 6, 2019

AndreHaueisen reopened this Mar 6, 2019

AndreHaueisen added enhancement New feature or request priority This issue is a priority and is currently being worked on and removed fixed on master This issue is solved on the flutter master channel labels Jun 1, 2019

AndreHaueisen closed this as completed Jun 5, 2020

jayeshindianic mentioned this issue Jun 30, 2021

Migrate to null safety #177

Closed

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Flushbar throws error when we swipe from left to right to go back on ios. #17

Flushbar throws error when we swipe from left to right to go back on ios. #17

withmukeshjoshi commented Nov 5, 2018

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AndreHaueisen commented Jun 5, 2020

Flushbar throws error when we swipe from left to right to go back on ios. #17

Flushbar throws error when we swipe from left to right to go back on ios. #17

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