在弹窗显示的同时切换页面或者返回上一页有报错，请问如何处理

[shyx32]

Describe the Feature request Please tell us the problem you are running into that led to you wanting a new feature.

[github-actions[bot]]

Thanks for taking the time to open an issue. I will have a look and answer as soon as possible.

[nslogx]

@shyx32 可否贴一下初始化以及使用的代码看看？

[yangmingchuan]

'package:flutter/src/animation/animation_controller.dart': Failed assertion: line 789 pos 12: 'elapsedInSeconds >= 0.0': is not true.

Either the assertion indicates an error in the framework itself, or we should provide substantially more information in this error message to help you determine and fix the underlying cause. In either case, please report this assertion by filing a bug on GitHub: https://github.com/flutter/flutter/issues/new?template=BUG.md

When the exception was thrown, this was the stack: #2 AnimationController._tick (package:flutter/src/animation/animation_controller.dart:789:12) #3 Ticker._tick (package:flutter/src/scheduler/ticker.dart:238:12) #4 SchedulerBinding._invokeFrameCallback (package:flutter/src/scheduler/binding.dart:1148:15) #5 SchedulerBinding.handleBeginFrame. (package:flutter/src/scheduler/binding.dart:1062:11) #6 _LinkedHashMapMixin.forEach (dart:collection-patch/compact_hash.dart:377:8) ...

This exception was thrown in the context of a scheduler callback. When the scheduler callback was registered (as opposed to when the exception was thrown), this was the stack: #2 SchedulerBinding.scheduleFrameCallback (package:flutter/src/scheduler/binding.dart:532:49) #3 Ticker.scheduleTick (package:flutter/src/scheduler/ticker.dart:253:47) #4 Ticker.start (package:flutter/src/scheduler/ticker.dart:162:7) #5 AnimationController._startSimulation (package:flutter/src/animation/animation_controller.dart:714:42) #6 AnimationController.repeat (package:flutter/src/animation/animation_controller.dart:638:12) ...