A non-null String must be provided to a Text widget

Question

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 co

Answer 1

I have faced that same problem.... I have resolved it by using a "new" keyword before Text...

child: new Text(mydata[1]["2"][k]),