Top Answers

1. Error: The argument type 'String?' can't be assigned to the parameter type 'String' because 'String?' is nullable and 'String' isn't
   24 votes
2. The argument type 'Object?' can't be assigned to the parameter type 'String'
   21 votes
3. Flutter FlatButton is deprecated - alternative solution with width and height
   20 votes
4. A value of type 'Widget' can't be assigned to a variable of type 'PreferredSizeWidget'
   16 votes
5. Flutter Error: The body might complete normally, causing 'null' to be returned, but the return type is a potentially non-nullable type
   7 votes