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How to keep all constants in Flutter

Rui.Z
Software Engineer | Futter | React | NodeJS
Updated on ・1 min read

A clean and simple way to keep constants in Flutter is to make an own Dart library in the project for the constants.

For example, we have a project structure like this.
image

constats.dart

const String BUTTON_LABEL = 'Submit';
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The const keyword is used to represent a compile-time constant. Variables declared with const keyword are implicitly final. Link

You can then use import statement to access to the constants:

import 'package:<project_name>/assets/constants.dart' as constants;
...
ElevatedButton(
  child: const Text(constants.BUTTON_LABEL),
)
...
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Discussion (1)

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khalilpan profile image
khalil panahi

Nice to know 👏👏