László Kiss

MaterialPicker width and height

1

Please add optional width and height parameters to MaterialPicker. The hardcoded 500/300 doesn't always fit.

Using constructor and function parameter lists as implicit parameter groups

13

Creating constructors may require a lot of repeated code when using super, named and redirecting constructors as described [here](https://github.com/dart-lang/language/issues/493#issue-476835353). Although [super parameters](https://github.com/dart-lang/language/issues/493#issuecomment-879624528) made a [big impact](https://medium.com/dartlang/dart-2-17-b216bfc80c5d), there is still room...

Parameter Groups

8

### Problem Handling long parameter lists either at declaration or at call/instantiation may require a lot of repeating and hard to read code. Flutter widgets are good examples where the...