An easy way to show a flutter custom popup widget.

Android	iOS

cd ./example
flutter create .
flutter run

dependencies:
  easy_popup: ^1.0.0

or

dependencies:
  easy_popup: 
    git: https://github.com/BakerJQ/flutter_easy_popup.git

Define your custom popup widget with EasyPopupChild, and implement dismiss function which does work that need to be done while dismiss, eg. show dismiss animation.

class CustomWidget extends StatefulWidget with EasyPopupChild {

  ...

  @override
  dismiss() {
    ...
  }
}

Call EasyPopup.show() to show your widget as a popup.

EasyPopup.show(context, CustomWidget());