Stanislav Ilin

From you description I understand that your situation similar to my when I create [TalkerScreenFilter](https://github.com/Frezyx/talker/blob/master/packages/talker_flutter/lib/src/ui/widgets/filter/talker_screen_filter.dart) in my another package

You can make MyField StatefulWidget And write this initialization code in initState ```dart if (field.value != null) ctrl.selectIndex(items.indexOf(field.value)); ```

Didn't notice Formbuilder 🤣

You can raise FormBuilder to a higher level FormBuilder -> MyField (StatefullWidget) with initState(){ if (field.value != null) ctrl.selectIndex(items.indexOf(field.value)); } -> GroupButton

Now this is solved only by factory constructors, which simplify creation of different types buttons. [GroupButton.radio()](https://github.com/Frezyx/group_button/blob/master/lib/src/group_button_base.dart#:~:text=Build%20group%20button%20for%20choising%20one%20button) [GroupButton.checkbox()](https://github.com/Frezyx/group_button/blob/master/lib/src/group_button_base.dart#:~:text=Build%20group%20button%20for%20choising%20several) In future, I want to do this at controller level, to simplify package...

Hello @MeshariA ! Now i working to implement WidgetBuilder buttonBuilder. This will help you to create custom buttons inside the widget

In another case, you can create a pull-request to add these fields to GroupButtonOptions

Hello @sabetAI 👋🏻 It's very good idea. I think I will try to add this functionality in next update. You can propose a solution if you have an idea about...

Hello @adrianvintu ! You can check Github search 

I really hope that developers of serious applications making his repositories private