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Backdrop implementaion in dart. (https://material.io/design/components/backdrop.html)

Flutter Community: backdrop

backdrop #

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Backdrop implementation in flutter.

This widget is in active development. Wait for the stable v1.0. Any contribution, idea, criticism or feedback is welcomed.

package https://pub.dev/packages/backdrop
Git Repo https://github.com/fluttercommunity/backdrop
Issue Tracker https://github.com/fluttercommunity/backdrop/issues
Chat Room https://gitter.im/flutter-backdrop

Getting started #

Follow the medium article to Quickly Implement Backdrop in Flutter.

Usage #

BackdropScaffold #

Use BackdropScaffold instead of the standard Scaffold in your app. A backLayer and a frontLayer have to be defined for the backdrop to work.

BackdropScaffold(
  appBar: BackdropAppBar(
    title: Text("Backdrop Example"),
    actions: <Widget>[
      BackdropToggleButton(
        icon: AnimatedIcons.list_view,
      )
    ],
  ),
  backLayer: Center(
    child: Text("Back Layer"),
  ),
  frontLayer: Center(
    child: Text("Front Layer"),
  ),
)
BackdropScaffold example

To use backdrop for navigation, use the provided BackdropNavigationBackLayer as backLayer.

The BackdropNavigationBackLayer contains a property items representing the list elements shown on the back layer. The front layer has to be "manually" set depending on the current index, which can be accessed with the onTap callback.

int _currentIndex = 0;
final List<Widget> _pages = [Widget1(), Widget2()];

@override
Widget build(BuildContext context) {
  return MaterialApp(
    title: 'Backdrop Demo',
    home: BackdropScaffold(
      appBar: BackdropAppBar(
        title: Text("Navigation Example"),
        actions: <Widget>[
          BackdropToggleButton(
            icon: AnimatedIcons.list_view,
          )
        ],
      ),
      stickyFrontLayer: true,
      frontLayer: _pages[_currentIndex],
      backLayer: BackdropNavigationBackLayer(
        items: [
          ListTile(title: Text("Widget 1")),
          ListTile(title: Text("Widget 2")),
        ],
        onTap: (int position) => {setState(() => _currentIndex = position)},
      ),
    ),
  );
}
BackdropNavigationScaffold example

For more information, check out sample code in the example directory

Contribute #

  1. You'll need a GitHub account.
  2. Fork the repository.
  3. Pick an issue to work on from issue tracker.
  4. Implement it.
  5. Add your name and email in authors section in pubspec.yaml file.
  6. Send merge request.
  7. Star this project.
  8. Become a hero!!

Features and bugs #

Please file feature requests and bugs at the issue tracker.

Contributors ✨ #

Thanks goes to these wonderful people (emoji key):


Harsh Bhikadia

💻 🤔

Felix Wielander

💻 📖🐛

Bringmos

🐛

Greg Spencer

🐛

Jorge A Peroza M

💻🐛

Matt Newell

🐛

Daniel Borges

💻🐛

Felix Wortmann

💻

This project follows the all-contributors specification. Contributions of any kind welcome!

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Publisher

verified publisherfluttercommunity.dev

Backdrop implementaion in dart. (https://material.io/design/components/backdrop.html)

Repository (GitHub)
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Documentation

Documentation

License

unknown (LICENSE)

Dependencies

flutter

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