Widget Background App Bar

A background app bar plugin, use this plugin if you want to preserve background of sliver app bar when scrolling.

inspired by GradientAppBar GitHub


Don't forget to tap + button 5 times


Getting Started

  1. Depend on it by adding this to your pubspec.yaml file: background_app_bar: ^1.0.0

  2. Import it: import 'package:background_app_bar/background_app_bar.dart'

  3. Replace your current FlexibleSpaceBar (In the AppBar or SliverAppBar) to BackgroundFlexibleSpaceBar.

new SliverAppBar(
    expandedHeight: _APP_BAR_SIZE,
    floating: false,
    pinned: true,
    snap: false,
    elevation: 0.0,
    backgroundColor: Colors.transparent,
    flexibleSpace: new BackgroundFlexibleSpaceBar(
        title: new Text( widget.title ),
        centerTitle: false,
        titlePadding: const EdgeInsets.only(left: 20.0, bottom: 20.0),
        background: new ClipRect(
            child: new Container(
                child: new BackdropFilter(
                    filter: new ImageFilter.blur(sigmaX: 5.0, sigmaY: 5.0),
                    child: new Container(
                        decoration: new BoxDecoration(
                            color: Colors.black.withOpacity(0.5),
                decoration: new BoxDecoration(
                    image: DecorationImage(
                        image: AssetImage(
                        fit: BoxFit.fitWidth