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Flutter – get package: The getter 'backgroundColor' isn't defined for the class 'ThemeData'

I am using flutter 3.22.2 and installing get package with version 4.6.5. When I build my project, it is always stuck with error log:

Error (Xcode): ../../.pub-cache/hosted/pub.dev/get-4.6.5/lib/get_navigation/src/extension_navigation.dart:222:62: 
Error: The getter 'backgroundColor' isn't defined for the class 'ThemeData'.

Is there a way to solve this ?
I also found related issues in this web https://www.reddit.com/r/flutterhelp/comments/1d4xf7k/comment/l7gjt3z/ but didn’t find any solution yet

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2

Answers


  1. 0

    seems like you’re using the latest futter version and the old get package version

    try to switch it to the latest version as mentioned below.

    get: ^5.0.0-release-candidate-6
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  2. 0

    try to switch it to the latest version as mentioned below :

    get: ^4.6.6

    https://zhuanlan.zhihu.com/p/708203858

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