iOS 15 crash: The application must have a host view since the keyboard client must be part of the responder chain to function. The host view controller is (null) #106404
Description
App crashes on iOS 15.0.0 and above
Steps to Reproduce
I do not have a clear way to reproduce this issue but i get crash reports from firebase Crashlytics here is the stack trace:
Fatal Exception: NSInternalInconsistencyException
The application must have a host view since the keyboard client must be part of the responder chain to function. The host view controller is (null)
This same crash was reported in a previous issue and should be resolved in the latest flutter rollout but is still happening. Also for context my app is a custom add2app scenario and this crash happens when my flutter application hands over control back to the native app
crash logs
Fatal Exception: NSInternalInconsistencyException
0 CoreFoundation 0x92d0c __exceptionPreprocess
1 libobjc.A.dylib 0x14ee4 objc_exception_throw
2 Foundation 0x124c90 _userInfoForFileAndLine
3 Flutter 0x28874 (Missing UUID bab62788d88339b192aed18e13dece71)
4 Flutter 0x28dd4 (Missing UUID bab62788d88339b192aed18e13dece71)
5 Flutter 0x2797c (Missing UUID bab62788d88339b192aed18e13dece71)
6 Flutter 0x55a33c (Missing UUID bab62788d88339b192aed18e13dece71)
7 Flutter 0x424e8 (Missing UUID bab62788d88339b192aed18e13dece71)
8 libdispatch.dylib 0x63094 _dispatch_call_block_and_release
9 libdispatch.dylib 0x64094 _dispatch_client_callout
10 libdispatch.dylib 0x10d44 _dispatch_main_queue_drain
11 libdispatch.dylib 0x10994 _dispatch_main_queue_callback_4CF$VARIANT$mp
12 CoreFoundation 0x4e0c4 __CFRUNLOOP_IS_SERVICING_THE_MAIN_DISPATCH_QUEUE__
13 CoreFoundation 0xb5e8 __CFRunLoopRun
14 CoreFoundation 0x1e240 CFRunLoopRunSpecific
15 GraphicsServices 0x1988 GSEventRunModal
16 UIKitCore 0x4e541c -[UIApplication _run]
17 UIKitCore 0x27eb88 UIApplicationMain
18 SwiftUI 0x1f0d68 closure #1 in KitRendererCommon(_:)
19 SwiftUI 0x13b83c runApp<A>(_:)
20 SwiftUI 0x1211dc static App.main()
21 0xae10 main (<compiler-generated>)
22 ??? 0x1070dc3d0 (Missing)
flutter doctor -v
[✓] Flutter (Channel stable, 3.0.2, on macOS 12.3 21E230 darwin-arm, locale
en-NG)
• Flutter version 3.0.2
• Upstream repository https://github.com/flutter/flutter.git
• Framework revision cd41fdd495 (2 weeks ago), 2022-06-08 09:52:13 -0700
• Engine revision f15f824b57
• Dart version 2.17.3
• DevTools version 2.12.2
[✓] Android toolchain - develop for Android devices (Android SDK version 33.0.0)
• Android SDK at
• 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
11.0.12+0-b1504.28-7817840)
• All Android licenses accepted.
[✓] Xcode - develop for iOS and macOS (Xcode 13.4.1)
• Xcode at /Applications/Xcode.app/Contents/Developer
• CocoaPods version 1.11.3
[✓] Chrome - develop for the web
• Chrome at /Applications/Google Chrome.app/Contents/MacOS/Google Chrome
[✓] Android Studio (version 2021.2)
• 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
11.0.12+0-b1504.28-7817840)
[✓] IntelliJ IDEA Community Edition (version 2022.1.2)
• IntelliJ at /Applications/IntelliJ IDEA CE.app
• 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
pubspec.yaml
environment:
sdk: ">=2.7.0 <3.0.0"
dependencies:
flutter:
sdk: flutter
flutter_localizations:
sdk: flutter
cupertino_icons: ^1.0.2
flutter_bloc: ^7.0.0
equatable: ^2.0.0
mockito: ^5.0.7
mask_text_input_formatter: ^2.0.0
http: ^0.13.2
loading_overlay: ^0.2.1
url_launcher: ^6.0.12
intl: ^0.17.0
flutter_svg: ^0.22.0
pin_code_fields: ^7.3.0
lottie: ^1.1.0
sms_autofill: ^2.2.0
connectivity_plus: ^2.0.2
flutter_html: ^2.2.1
fluttertoast: ^8.0.9
shared_preferences: ^2.0.13
flutter_secure_storage: ^5.0.2
encrypt: ^5.0.1
flutter_markdown: ^0.6.10
firebase_crashlytics: ^2.8.1
firebase_core: ^1.17.1
dev_dependencies:
flutter_test:
sdk: flutter
build_runner: ^1.3.1
flutter:
uses-material-design: true