Backdrop implementation in flutter.

This widget is in active development. Wait for the stable v1.0.0. Any contribution, idea, criticism or feedback is welcomed.

Getting started

Follow the medium article to Quickly Implement Backdrop in Flutter.


check out sample code in example directory

Backdrop Example Screenshot


  1. You'll need a gitlab account. (Sorry, if you had to create one!!)
  2. Fork the repository.
  3. Implement features from to-do, fix issues, etc.
  4. Send merge request.
  5. Star this project.
  6. Become a hero!!

Features and bugs

Please file feature requests and bugs at the issue tracker.


  • Properly document the usage of the widget in
  • Properly document classes and public methods
  • scaffoldKey provided to access scaffold directly
  • Write an example flutter app to demonstrate options and functionality
  • Using InheritedWIdget for storing controller in state and accessing it throughout
  • Dynamic height for backdrop - based on height of backpanel ??
  • Fixed height for backdrop - provided in argument of BackdropScaffold
  • BackdropNavigation : Using backpanel for navigation
  • BackdropTitle : Different title for backpanel and frontpanel visibility
  • BackdropAction : Action with view in backpanel
  • subheader argument (optional) in BackdropScaffol
  • BackdropToggle : widget to fling backdrop anywhere inside the scaffol
  • BackdropButton : widget that build button with BackdropToggle with default menu_close icon. Can directly be used in actions.