CODEWITHSUNDEEP
classflutterdartcolorsattributes
S Das
S Das

Reputation: 55

Color and Colors class in Flutter

I was working with Colors class in Flutter. Added a buildkey function with input "Color zinc" and the same takes the value like Colors.red, Colors purple etc.

However, if I add the input as "Colors Zinc" the values like Colors.red, Colors.purple throws an error. Why this is so?

The class Colors should match the input class (Colors in this case) I think?enter image description here

Upvotes: 0

Views: 905

Answers (2)

S Das
S Das

Reputation: 55

May be I found the solution of my issue..

When i looked into the dart file of colors class. I found that, Colors.green is actually an object of Color class. Code is something like this

Class Colors

Color green = Color(....);

Might be that is the reason thats why it requires it requires color class while initilization of variable and not Colors.

Upvotes: 0

Joy Terence
Joy Terence

Reputation: 730

It would be helpful if you could attach a screenshot or maybe paste the exact error that you are getting.

But meanwhile as I understood it, It seems like that you are telling this works fine for you:

Expanded buildkey(Color zinc, int buildnumber) { ... }

But you are getting some error with this:

Expanded buildkey(Colors zinc, int buildnumber) { ... }

Which is correct behaviour as Colors.[color] returns a swatch constant which is of type color.

e.g: Color selection = Colors.green[400];

For more info: https://api.flutter.dev/flutter/material/Colors-class.html

Upvotes: 1

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