dynamic_curved_navigation_bar

Description:

dynamic curved navigation bar

curved_labeled_navigation_bar #
pub package
A Flutter package for easy implementation of curved navigation bar.
This package is a fork of the original curved_navigation_bar from https://github.com/oscarmureti/odynamic_curved_navigation_bar with label for DynamicCurvedNavigationBarItem.



Label
No Label









Add dependency #
dependencies:
dynamic_curved_navigation_bar: ^0.0.2 #latest version
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Easy to use #
Scaffold(
bottomNavigationBar: CurvedNavigationBar(
backgroundColor: Colors.blueAccent,
items: [
CurvedNavigationBarItem(
child: Icon(Icons.home_outlined),
label: 'Home',
),
CurvedNavigationBarItem(
child: Icon(Icons.search),
label: 'Search',
),
CurvedNavigationBarItem(
child: Icon(Icons.chat_bubble_outline),
label: 'Chat',
),
CurvedNavigationBarItem(
child: Icon(Icons.newspaper),
label: 'Feed',
),
CurvedNavigationBarItem(
child: Icon(Icons.perm_identity),
label: 'Personal',
),
],
onTap: (index) {
// Handle button tap
},
),
body: Container(color: Colors.blueAccent),
)
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Attributes #
CurvedNavigationBar



Attribute
Description




items
List of CurvedNavigationBarItem


index
Index of NavigationBar, can be used to change current index or to set initial index


color
Color of NavigationBar, default Colors.white


buttonBackgroundColor
Background color of floating button, default same as color attribute


backgroundColor
Color of NavigationBar's background, default Colors.blueAccent


onTap
Function handling taps on items


letIndexChange
Function which takes page index as argument and returns bool. If function returns false then page is not changed on button tap. It returns true by default


animationCurve
Curves interpolating button change animation, default Curves.easeOut


animationDuration
Duration of button change animation, default Duration(milliseconds: 600)


height
Height of NavigationBar


iconPadding
Padding of icon in floating button



CurvedNavigationBarItem



Attribute
Description




child
Icon of CurvedNavigationBarItem


label
Text of CurvedNavigationBarItem


labelStyle
TextStyle for label



Change page programmatically #
// State class
int _page = 0;
GlobalKey<CurvedNavigationBarState> _bottomNavigationKey = GlobalKey();

@override
Widget build(BuildContext context) {
return Scaffold(
bottomNavigationBar: CurvedNavigationBar(
key: _bottomNavigationKey,
items: [
CurvedNavigationBarItem(
child: Icon(Icons.home_outlined),
label: 'Home',
),
CurvedNavigationBarItem(
child: Icon(Icons.search),
label: 'Search',
),
CurvedNavigationBarItem(
child: Icon(Icons.chat_bubble_outline),
label: 'Chat',
),
CurvedNavigationBarItem(
child: Icon(Icons.newspaper),
label: 'Feed',
),
CurvedNavigationBarItem(
child: Icon(Icons.perm_identity),
label: 'Personal',
),
],
onTap: (index) {
setState(() {
_page = index;
});
},
),
body: Container(
color: Colors.blueAccent,
child: Center(
child: Column(
children: <Widget>[
Text(_page.toString(), textScaleFactor: 10.0),
ElevatedButton(
child: Text('Go To Page of index 1'),
onPressed: () {
// Page change using state does the same as clicking index 1 navigation button
final CurvedNavigationBarState? navBarState =
_bottomNavigationKey.currentState;
navBarState?.setPage(1);
},
)
],
),
),
),
);
}
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