Dart & Flutter Easy Wins 22-28

I recently started a series of daily tweets about easy ways to improve your Dart & Flutter code. I called this Easy Wins.

To make these easier to find, I'm sharing 7 tips every week here on my website.

Entire series here:

22. Use `toStringAsFixed(n)` to format a number with n decimal places.

Use toStringAsFixed(n) to format a number with n decimal places.
Use toStringAsFixed(n) to format a number with n decimal places.

23. Did you know? Dart supports string multiplication.

Did you know? Dart supports string multiplication.
Did you know? Dart supports string multiplication.

24. One constructor is not enough? Use named constructors and initializer lists for more ergonomic APIs.

One constructor is not enough? Use named constructors and initializer lists for more ergonomic APIs.
One constructor is not enough? Use named constructors and initializer lists for more ergonomic APIs.

25. Prefer factory constructors to static methods for deserialization.

More info here: The difference between a "factory constructor" and a "static method"

Prefer factory constructors to static methods for deserialization.
Prefer factory constructors to static methods for deserialization.

26. Need a class that can only be instantiated once (aka singleton)? Use static instance variable with a private constructor.

Need a class that can only be instantiated once (aka singleton)? Use static instance variable with a private constructor.
Need a class that can only be instantiated once (aka singleton)? Use static instance variable with a private constructor.

27. Need a collection of unique items? Use a set rather than a list.

Need a collection of unique items? Use a set rather than a list.
Need a collection of unique items? Use a set rather than a list.

28. Use inheritance to model ISA relationships.

Use inheritance to model ISA relationships.
Use inheritance to model ISA relationships.

More tips coming next week. Subscribe via RSS for updates!

Happy coding!

Want More?

Invest in yourself with my high-quality Flutter courses.

Flutter In Production

Flutter In Production

Learn about flavors, environments, error monitoring, analytics, release management, CI/CD, and finally ship your Flutter apps to the stores. 🚀

Flutter Foundations Course

Flutter Foundations Course

Learn about State Management, App Architecture, Navigation, Testing, and much more by building a Flutter eCommerce app on iOS, Android, and web.

Flutter & Firebase Masterclass

Flutter & Firebase Masterclass

Learn about Firebase Auth, Cloud Firestore, Cloud Functions, Stripe payments, and much more by building a full-stack eCommerce app with Flutter & Firebase.

The Complete Dart Developer Guide

The Complete Dart Developer Guide

Learn Dart Programming in depth. Includes: basic to advanced topics, exercises, and projects. Last updated to Dart 2.15.

Flutter Animations Masterclass

Flutter Animations Masterclass

Master Flutter animations and build a completely custom habit tracking application.