I/flutter (15109): ══╡ EXCEPTION CAUGHT BY GESTURE ╞═══════════════════════════════════════════════════════════════════
I/flutter (15109): The following assertion was thrown while handling a gesture:
I/flutter (15109): Looking up a deactivated widget's ancestor is unsafe.
I/flutter (15109): At this point the state of the widget's element tree is no longer stable. To safely refer to a
I/flutter (15109): widget's ancestor in its dispose() method, save a reference to the ancestor by calling
I/flutter (15109): inheritFromWidgetOfExactType() in the widget's didChangeDependencies() method.
I/flutter (15109): When the exception was thrown, this was the stack:
I/flutter (15109): #0      Element._debugCheckStateIsActiveForAncestorLoopkup.<anonymous closure> (package:flutter/src/widgets/framework.dart:3181)
I/flutter (15109): #1      Element._debugCheckStateIsActiveForAncestorLoopkup (package:flutter/src/widgets/framework.dart:3190)
I/flutter (15109): #2      Element.ancestorStateOfType (package:flutter/src/widgets/framework.dart:3232)
I/flutter (15109): #3      Navigator.of (package:flutter/src/widgets/navigator.dart:712)
I/flutter (15109): #4      AppBarFactory._showFailedToLogoutDialog.<anonymous closure> (package:van_mobile_flutter/app/r/app_bar.dart:67)
I/flutter (15109): #5      _InkResponseState._handleTap (package:flutter/src/material/ink_well.dart:323)
I/flutter (15109): #6      _InkResponseState.build.<anonymous closure> (package:flutter/src/material/ink_well.dart:375)
I/flutter (15109): #7      GestureRecognizer.invokeCallback (package:flutter/src/gestures/recognizer.dart:102)
I/flutter (15109): #8      TapGestureRecognizer._checkUp (package:flutter/src/gestures/tap.dart:149)
I/flutter (15109): #9      TapGestureRecognizer.handlePrimaryPointer (package:flutter/src/gestures/tap.dart:92)
I/flutter (15109): #10     PrimaryPointerGestureRecognizer.handleEvent (package:flutter/src/gestures/recognizer.dart:315)
I/flutter (15109): #11     PointerRouter._dispatch (package:flutter/src/gestures/pointer_router.dart:73)
I/flutter (15109): #12     PointerRouter.route (package:flutter/src/gestures/pointer_router.dart:101)
I/flutter (15109): #13     BindingBase&SchedulerBinding&GestureBinding.handleEvent (package:flutter/src/gestures/binding.dart:143)
I/flutter (15109): #14     BindingBase&SchedulerBinding&GestureBinding.dispatchEvent (package:flutter/src/gestures/binding.dart:121)
I/flutter (15109): #15     BindingBase&SchedulerBinding&GestureBinding._handlePointerEvent (package:flutter/src/gestures/binding.dart:101)
I/flutter (15109): #16     BindingBase&SchedulerBinding&GestureBinding._flushPointerEventQueue (package:flutter/src/gestures/binding.dart:64)
I/flutter (15109): #17     BindingBase&SchedulerBinding&GestureBinding._handlePointerDataPacket (package:flutter/src/gestures/binding.dart:48)
I/flutter (15109): #18     _invoke1 (file:///b/build/slave/Linux_Engine/build/src/flutter/lib/ui/hooks.dart:105)
I/flutter (15109): #19     _dispatchPointerDataPacket (file:///b/build/slave/Linux_Engine/build/src/flutter/lib/ui/hooks.dart:63)
I/flutter (15109): Handler: onTap
I/flutter (15109): Recognizer:
I/flutter (15109):   TapGestureRecognizer#e28eb(debugOwner: GestureDetector, state: possible)
I/flutter (15109): ════════════════════════════════════════════════════════════════════════════════════════════════════

$ flutter doctor
[✓] Flutter (on Linux, locale en_US.UTF-8, channel master)
    • Flutter at /home/reyer/reyer/flutter/master
    • Framework revision 0a85db2958 (4 days ago), 2017-10-06 07:13:27 +0300
    • Engine revision 459f722b86
    • Tools Dart version 1.25.0-dev.11.0

[✓] Android toolchain - develop for Android devices (Android SDK 26.0.2)
    • Android SDK at /home/reyer/Android/Sdk
    • Platform android-26, build-tools 26.0.2
    • ANDROID_HOME = /home/reyer/Android/Sdk
    • Java binary at: /home/reyer/.local/share/umake/android/android-studio/jre/bin/java
    • Java version OpenJDK Runtime Environment (build 1.8.0_112-release-b06)

[✓] Android Studio (version 2.3)
    • Android Studio at /home/reyer/.local/share/umake/android/android-studio
    • Java version OpenJDK Runtime Environment (build 1.8.0_112-release-b06)

[✓] IntelliJ IDEA Community Edition (version 2017.2)
    • Flutter plugin version 17.0
    • Dart plugin version 172.4155.35

[✓] Connected devices
    • Moto C Plus                  • ZW222422WM    • android-arm • Android 7.0 (API 24)
    • Android SDK built for x86 64 • emulator-5554 • android-x64 • Android 6.0 (API 23) (emulator)