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I’m getting the following error when I try to run the flutter app on my iPhone simulator.

Error (Xcode):
../../../../.pub-cache/hosted/pub.dev/flutter_math_fork-0.5.0/lib/src/widgets/selection/gesture_detector_builder.dart:186:20: Error: The argument type ‘void Function(TapDownDetails)’ can’t be
assigned to the parameter type ‘void Function(TapDragDownDetails)?’.

Could not build the application for the simulator.
Error launching application on iPhone 13 Pro Max.“`

here is my dependancies

cupertino_icons: ^1.0.2
flutter_redux: ^0.10.0
dio: ^4.0.3
redux_thunk: ^0.4.0
url_launcher: ^6.1.5
modal_bottom_sheet: ^2.0.0
dropdown_search: ^5.0.5
flutter_html: ^2.1.5
linkable: ^3.0.1
lottie: ^2.2.0
flutter_rating_bar: ^4.0.0
shared_preferences: ^2.0.7
device_info_plus: ^8.0.0
percent_indicator: ^4.2.2
animated_widgets: ^1.1.0
skeletons: ^0.0.3
google_mobile_ads:
firebase_core:
firebase_analytics: ^10.1.0
webview_flutter_plus:
gsheets: ^0.4.2
get_it: ^7.2.0
woocommerce_api: ^0.1.0
skeleton_loader: ^2.0.0+4

I’ve tried the following.

am using the flutter stable channel.

  • flutter clean
  • flutter upgrade
  • by removing xCode derived data.
  • also I tried to fix the error showing by changing the parameter type even it’s a package, but then I’ve to change the code on flutter sdk too. I tried to do that too but still not luck.

2

Answers


  1. Chosen as BEST ANSWER

    Since the flutter_math_fork is not a package that I use directly. I had to find the issue by running flutter pub deps to see the dependancy graph and find the usage of the package. Then I realised that It is a dependancy of flutter_html then I tried to update the version of flutter_math_fork as well as flutter_html but it wasn't success. So I removed that package and used the following package flutter_widget_from_html as an alternative to the flutter_html then the problem solved.


  2. Updating flutter_html to prerelease worked for me:

    flutter_html: ^3.0.0-alpha.6
    
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