AnimationController? can't be assigned to the parameter type 'Animation double #error #flutter

This video is part of my instant help video playlist in which I have introduced how to solve error like)
The argument type 'String?' can't be assigned to the parameter type 'Object.
or
the argument type 'AnimationController?' can't be assigned to the parameter type 'Animation double

using null safety.
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Your following issue can be resolved with this video):
the argument type 'AnimationController?' can't be assigned to the parameter type 'Animation double.
The argument type 'String?' can't be assigned to the parameter type 'Object.
Resolving null type error in flutter.
value can't be a null in flutter
null safety
flutter error solution
coding in flutter
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#flutter #nullsafety
#androiddevelopment #flutterdevelopment #dart #error
#errorhandling #programming #app #string #object #development
#AnimationController #Animationdouble #balajeemishra #instanthelp

Hope this video will help you.
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