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null safety check를 안해서 나오는 에러메시지입니다.
Text(cart_prod_qty)위를 아래와 같이 처리하시면 해결됩니다.
Text(cart_prod_qty??'default value')
https://stackoverflow.com/questions/56351386/a-non-null-string-must-be-provided-to-a-text-widget
A non-null String must be provided to a Text widget
I'm trying to add the option for the quantity to be adjusted but I get an error saying "A non-null String must be provided to a Text widget" How do I provide this, to this code? trailing: Contai...
stackoverflow.com
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