QC Flutter: 10/21/2020
Community Updates
- Flutter Vikings Conference
- Joint December Meetup
- Flutter 1.22 announcement
Tonight's topic
Refactoring Excuses with Commands + GetIt
What is a command?
- A behavioral design pattern
- Include everything needed to perform a deferred action
- Encapsulated in an object instance with a run/execute call.
Benefits of commands
- Decouple invocation from execution
- Simplifies responsibilities
- Easy to extend
- Easier to test
Anatomy
Anatomy in Flutter
- Widget is the invoker
- Repository & Blocs are receivers
