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ScrollableReordableNavbar for Flutter
A flutter plugin for create bottom nav bar that can be scrolled when there are than 5 nav items to display. It also let user swipe items position and item can be deleted from the navbar.
Installing:
In your pubspec.yaml
dependencies:
scrollable_reorderable_navbar: ^0.0.1
import 'package:scrollable_reorderable_navbar/scrollable_reorderable_navbar.dart';
Basic Usage:
ScrollableReorderableNavBar(
onItemTap: (arg) {
setState(() {
_selectedIndex = arg;
});
},
onReorder: (oldIndex, newIndex) {
final currItem = _items[_selectedIndex];
if (oldIndex < newIndex) newIndex -= 1;
final newItems = [..._items], item = newItems.removeAt(oldIndex);
newItems.insert(newIndex, item);
setState(() {
_items = newItems;
_selectedIndex = _items.indexOf(currItem);
});
},
items: _items,
selectedIndex: _selectedIndex,
onDelete: (index) => setState(() => _items.removeAt(index)),
deleteIndicationWidget: Container(
padding: const EdgeInsets.only(bottom: 100),
child: Align(
alignment: Alignment.bottomCenter,
child: Wrap(
alignment: WrapAlignment.center,
crossAxisAlignment: WrapCrossAlignment.center,
direction: Axis.vertical,
children: [
Text("Tap on nav item to delete it.",
style: Theme.of(context).textTheme.bodyText1,
textAlign: TextAlign.center),
TextButton(onPressed: () {}, child: const Text("DONE"))
],
),
),
),
)
Custom usage
There are options that let you custom the navbar:\
| Properties |
Description |
List<NavBarItem> items |
Items composing the navbar, every items should have different names |
int selectedIndex |
The index of the selected NavBarItem |
ValueChanged<int> onItemTap |
Which behaviour should have after the user tap on a NavBarItem |
ReorderCallback onReorder |
Which behaviour should have after user swap 2 NavBarItem |
Widget deleteIndicationWidget |
The Widget displayed on top of the delete overlay to show user that he can tap on NavBarItem to delete them |
ValueChanged<int> onDelete |
Which behaviour should have after user delete a NavBarItem |
ReorderItemProxyDecorator? proxyDecorator |
How the widget should look like on a reorder operation |
Color backgroundColor |
Background color of the navbar |
Duration duration |
Duration of the animations |
BoxDecoration? decoration |
Decoration of the entire navbar. You should use either backgroundColor or this one |
Additional information
Don't hesitate to suggest any features or fix that will improve the package!
