Dart & Flutter Easy Wins 29-35

Andrea Bizzotto

Aug 30, 20202 min read

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:

29. When EXTENDING classes, all ABSTRACT methods MUST be overridden & other methods CAN be overridden. When IMPLEMENTING classes, ALL methods MUST be overridden.

When EXTENDING classes, all ABSTRACT methods MUST be overridden & other methods CAN be overridden. When IMPLEMENTING classes, ALL methods MUST be overridden. — When EXTENDING classes, all ABSTRACT methods MUST be overridden & other methods CAN be overridden. When IMPLEMENTING classes, ALL methods MUST be overridden.

30. Need to iterate through a map in a null-safe manner? Use `.entries`:

Need to iterate through a map in a null-safe manner? Use .entries — Need to iterate through a map in a null-safe manner? Use .entries

31. Need different implementations for web and native platforms? Use conditional imports.

More info here: Conditionally importing and exporting library files

Need different implementations for web and native platforms? Use conditional imports. — Need different implementations for web and native platforms? Use conditional imports.

32. Need to declare a function type with generics? Use a typedef:

Need to declare a function type with generics? Use a typedef — Need to declare a function type with generics? Use a typedef

33. Need to work with computed variables? Use getters and setters.

Need to work with *computed* variables? Use getters and setters — Need to work with *computed* variables? Use getters and setters

34. Need to return a Future that returns immediately? Use `Future.value`.

Need to return a Future that returns immediately? Use Future.value — Need to return a Future that returns immediately? Use Future.value

35. Want to force a delay before executing some code? Use `Future.delayed`.

Want to force a delay before executing some code? Use Future.delayed — Want to force a delay before executing some code? Use Future.delayed

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

Happy coding!

Want More?

Invest in yourself with my high-quality Flutter courses.

Flutter Foundations Course

Flutter Foundations Course

INTERMEDIATE TO ADVANCED

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

INTERMEDIATE TO ADVANCED

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. Fully updated to Dart 2.15.

Flutter Animations Masterclass

Flutter Animations Masterclass

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