I cannot use function that has optional parameter in child widget(name is FixUI).This is original function declared in parent widgetThis is the line error occured(red line: Underfined~) I want to make fixContact function arguments : fixContact, index, contact but in…
I am new to Flutter/Dart but I have experience with Typescript. Can you help me with the following code and question: final String? title; appBar: title != null ? AppBar( title: Text(title), ) : null, I am getting the error…
Suppose there is a custom API to get giftcode. The API has Referance and Amount as requird parameters whereas Activated and Quantity as optional parameters If URL is: http://ruteurl/rest/V1/giftcode/request?reference=XYZ&amount=50 It should run assuming Activated and Quantity to be 1 by…