[SOLVED] Flutter – How to pass optional Parameters to StatelessWidget?

Issue

This Content is from Stack Overflow. Question asked by Thuận Nguyễn hữu

2 variables mediumScreen and smallScreen must required
But I wanna option.

FAIL



Solution

Do this:

...
 Widget? mediumScreen; //Add a question mark after the data type



 This Question was asked in  StackOverflow by  Thuận Nguyễn hữu and Answered by Davis It is licensed under the terms of 
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