You can use well-known architectures such as MVC or MVVM. However, because Flutter is somewhat different from other programming languages and it’s widget-centric, BLoC is commonly considered the best Flutter architecture . The BLoC architecture is a flexible pattern that’s easy to maintain.
Read moreWhat are the components in Flutter?
Input and selections
Read moreHow do you create a component in Flutter?
Start a new Flutter project in Android Studio and choose Flutter Package for the project type. Put your custom widget in the lib folder. Add a folder named example to the project root. In there, add a Flutter app that demonstrates how to use your widget.
Read more