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Dart & Flutter Easy Wins 22-28

Andrea Bizzotto
Flutter GDE & Instructor. Author of Code With Andrea
Originally published at codewithandrea.com Updated on ・2 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.

22. 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.

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.

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.

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.

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.

28. Use inheritance to model ISA relationships.

Use inheritance to model ISA relationships.

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

Happy coding!

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