I need to change color of selected BottomNavigationBarItem to yellow, but it doesn't work.
It seems because i set BottomNavigationBarItem default colors as black, but otherwise they will be set as white, cause i created more than 3 items, and i don't know hot to fix them either
If you know how to fix this or white color bug, please inform me
body: Center(
child: _widgetopt.elementAt(_selind),
),
bottomNavigationBar: BottomNavigationBar(
type: BottomNavigationBarType.fixed,
selectedItemColor: Colors.redAccent,
backgroundColor: Colors.white,
items: const <BottomNavigationBarItem>[
BottomNavigationBarItem(
icon: Icon(
Icons.add_box_outlined,
color: Colors.black,
),
label: ''),
BottomNavigationBarItem(
icon: Icon(
Icons.location_on_outlined,
color: Colors.black,
),
label: ''),
BottomNavigationBarItem(
icon: Icon(
Icons.heart_broken_outlined,
color: Colors.black,
),
label: ''),
BottomNavigationBarItem(
icon: Icon(
Icons.person_outline_outlined,
color: Colors.black,
),
label: ''),
],
currentIndex: _selind,
onTap: OnBeingTapped,
),
),
title: 'Stadium',
);
}
}
Rest of code:
class _HomePageState extends State<HomePage> {
int _selind = 0;
List<Widget> _widgetopt = <Widget>[
Text('Index 1'),
Text('Index 2'),
Text('Index 3'),
Text('Index 4'),
];
void OnBeingTapped(int index) {
setState(() {
_selind = index;
});
}
#override
Widget build(BuildContext context) {
return MaterialApp(
home: Scaffold(
appBar: AppBar(
title: Text(
'Стадионы',
style: TextStyle(color: Colors.black),
),
backgroundColor: Colors.white,
toolbarHeight: 100,
actions: [
IconButton(
onPressed: () {},
icon: Icon(
Icons.menu_outlined,
color: Colors.black,
)),
IconButton(
onPressed: () {},
icon: Icon(
Icons.text_rotation_down_outlined,
color: Colors.black,
)),
],
),
You forgot to add selectedItemColor property of BottomNavigationBarItem widget. Just add below line in your code and you'll be able to see selected item color yellow from black.
currentIndex: _selind,
selectedItemColor: Colors.yellow, // Add this line :)
onTap: OnBeingTapped,
I am currently developing in flutter and I am trying to move my navigation bar to the top of my screen rather than the bottom which is the default.
I am using a flutter plugin called salomon_bottom_bar: ^3.1.0
and here is the following code for it.
bottomNavigationBar:
SalomonBottomBar(
currentIndex: _currentIndex, onTap: (i) => setState(() => _currentIndex = i),
items: [
SalomonBottomBarItem(icon: Icon(Icons.home), title: Text("Home"), selectedColor: Colors.pink, unselectedColor: Colors.white),
SalomonBottomBarItem(icon: Icon(Icons.add), title: Text("Alarm"), selectedColor: Colors.yellow, unselectedColor: Colors.white),
SalomonBottomBarItem(icon: Icon(Icons.timer), title: Text("Stopwatch"), selectedColor: Colors.orange, unselectedColor: Colors.white),
SalomonBottomBarItem(icon: Icon(Icons.watch), title: Text("Timer"), selectedColor: Colors.cyan, unselectedColor: Colors.white)
],
),
You can add this to you appbar:
appbar: AppBar(
flexibleSpace: SalomonBottomBar(
currentIndex: _currentIndex, onTap: (i) => setState(() => _currentIndex = i),
items: [
SalomonBottomBarItem(icon: Icon(Icons.home), title: Text("Home"), selectedColor: Colors.pink, unselectedColor: Colors.white),
SalomonBottomBarItem(icon: Icon(Icons.add), title: Text("Alarm"), selectedColor: Colors.yellow, unselectedColor: Colors.white),
SalomonBottomBarItem(icon: Icon(Icons.timer), title: Text("Stopwatch"), selectedColor: Colors.orange, unselectedColor: Colors.white),
SalomonBottomBarItem(icon: Icon(Icons.watch), title: Text("Timer"), selectedColor: Colors.cyan, unselectedColor: Colors.white)
],
),
)
I've a bottomnavigation bar that has a color. When I clicked on the last button, the color change to white ...
The last button show some card i can swipe.
For that i use the code here : https://github.com/devefy/Flutter-Story-App-UI
i've tried to change return container() whith something else, but nothing was heplful.
here is my code
void _onItemTapped(int index) {
setState(() {
if (edifice != null) _selectedIndex = index;
});
}
#override
Widget build(BuildContext context) {
return Scaffold(
appBar: AppBar(
title: Text(widget.unEdifice.vocable),
backgroundColor: color_edifices,
),
body: Center(
child: edifice == null
? CircularProgressIndicator()
: _selectedIndex == 5
? SingleChildScrollView(
child: Column(
children: <Widget>[
Stack(
children: <Widget>[
CardScrollWidget(currentPage),
Positioned.fill(
child: PageView.builder(
itemCount: edifice.commentaires.length,
controller: controller,
reverse: true,
itemBuilder: (context, index) {
return Container(
);
},
),
)
],
),
],
),
)
: _widgetOptions.elementAt(_selectedIndex),
),
bottomNavigationBar: BottomNavigationBar(
items: const <BottomNavigationBarItem>[
BottomNavigationBarItem(
backgroundColor: color_edifices,
icon: Icon(GaeoIcons.church, color: Colors.white),
title: Text('Edifice', style: buttonTextStyle),
),
BottomNavigationBarItem(
icon: Icon(GaeoIcons.location_on, color: Colors.white),
title: Text('Adresses', style: buttonTextStyle),
),
BottomNavigationBarItem(
icon: Icon(GaeoIcons.group, color: Colors.white),
title: Text('Responsables', style: buttonTextStyle),
),
BottomNavigationBarItem(
icon: Icon(GaeoIcons.truck, color: Colors.white),
title: Text('Distributions', style: buttonTextStyle),
),
BottomNavigationBarItem(
icon: Icon(GaeoIcons.group, color: Colors.white),
title: Text('Contacts', style: buttonTextStyle),
),
BottomNavigationBarItem(
icon: Icon(GaeoIcons.comment, color: Colors.white),
title: Text('Commentaires', style: buttonTextStyle),
),
],
currentIndex: _selectedIndex,
selectedItemColor: Colors.amber[800],
onTap: _onItemTapped,
),
);
}
}`
You can see what i mean with the pictures included
Thanks for your help
I have tried to simulate your case with Story App UI
please try to
1. add BottomNavigationBar 's backgroundColor
2. test with BottomNavigationBarType.fixed and fixedColor
also reference Flutter BottomNavigationBar Colors
code snippet
bottomNavigationBar: BottomNavigationBar(
backgroundColor: Colors.brown,
type: BottomNavigationBarType.fixed,
fixedColor: Colors.white,
items: const <BottomNavigationBarItem>[
BottomNavigationBarItem(
backgroundColor: Colors.white,
icon: Icon(Icons.access_time, color: Colors.white),
title: Text('Edifice', ),
),
BottomNavigationBarItem(
icon: Icon(Icons.access_alarm, color: Colors.white),
title: Text('Adresses', ),
),
],
)
Test result of Story App UI with BottomNavigationBar
I am trying out Flutter and I am trying to change the colour of the BottomNavigationBar on the app but all I could achieve was change the colour of the BottomNavigationItem (icon and text).
Here is where i declare my BottomNavigationBar:
class _BottomNavigationState extends State<BottomNavigationHolder>{
#override
Widget build(BuildContext context) {
return new Scaffold(
appBar: null,
body: pages(),
bottomNavigationBar:new BottomNavigationBar(
items: <BottomNavigationBarItem>[
new BottomNavigationBarItem(
icon: const Icon(Icons.home),
title: new Text("Home")
),
new BottomNavigationBarItem(
icon: const Icon(Icons.work),
title: new Text("Self Help")
),
new BottomNavigationBarItem(
icon: const Icon(Icons.face),
title: new Text("Profile")
)
],
currentIndex: index,
onTap: (int i){setState((){index = i;});},
fixedColor: Colors.white,
),
);
}
Earlier I thought I had it figured out by editing canvasColor to green on my main app theme but it messed up the entire app colour scheme:
class MyApp extends StatelessWidget {
// This widget is the root of your application.
#override
Widget build(BuildContext context) {
return new MaterialApp(
title: 'Flutter Demo',
theme: new ThemeData(
primarySwatch: Colors.blue,
canvasColor: Colors.green
),
home: new FirstScreen(),
);
}
}
There is no option to specify the background color of BottomNavigationBar but to change the canvasColor. One way you can achieve it without messing up the whole app would be by wrapping BottomNavigationBar in a Theme with desired canvasColor.
Example:
bottomNavigationBar: new Theme(
data: Theme.of(context).copyWith(
// sets the background color of the `BottomNavigationBar`
canvasColor: Colors.green,
// sets the active color of the `BottomNavigationBar` if `Brightness` is light
primaryColor: Colors.red,
textTheme: Theme
.of(context)
.textTheme
.copyWith(caption: new TextStyle(color: Colors.yellow))), // sets the inactive color of the `BottomNavigationBar`
child: new BottomNavigationBar(
type: BottomNavigationBarType.fixed,
currentIndex: 0,
items: [
new BottomNavigationBarItem(
icon: new Icon(Icons.add),
title: new Text("Add"),
),
new BottomNavigationBarItem(
icon: new Icon(Icons.delete),
title: new Text("Delete"),
)
],
),
),
BottomNavigationBar could be either fixed or moving (shifting).
It is fixed if there are 3 items and changes to shifting for 4 or more items. We can override this behavior by setting BottomNavigationBar.type parameter.
Fixed BottomNavigationBar
BottomNavigationBar(
type: BottomNavigationBarType.fixed, // Fixed
backgroundColor: Colors.black, // <-- This works for fixed
selectedItemColor: Colors.greenAccent,
unselectedItemColor: Colors.grey,
items: [
BottomNavigationBarItem(
icon: Icon(Icons.call),
label: 'Call',
),
BottomNavigationBarItem(
icon: Icon(Icons.message),
label: 'Message',
),
],
)
Shifting BottomNavigationBar:
BottomNavigationBar(
type: BottomNavigationBarType.shifting, // Shifting
selectedItemColor: Colors.white,
unselectedItemColor: Colors.grey,
items: [
BottomNavigationBarItem(
icon: Icon(Icons.call),
label: 'Call',
backgroundColor: Colors.blue, // <-- This works for shifting
),
BottomNavigationBarItem(
icon: Icon(Icons.message),
label: 'Message',
backgroundColor: Colors.green, // <-- This works for shifting
),
],
)
The accepted answer isn't entirely wrong. However, BottomNavigationBar does in-fact have a property of backgroundColor. As per the documentation
If type is BottomNavigationBarType.shifting and the itemss, have BottomNavigationBarItem.backgroundColor set, the item's backgroundColor will splash and overwrite this color.
What this means is that the BottomNavigation's backgroundColor will be overriden by the individual items backgroundColor because the default type is BottomNavigationBarType.shifting.
To fix this, simply add the following property to the declared BottomNavigationbar widget.
type: BottomNavigationBarType.fixed,
Note: If you do, however, want the shifting effect you will have to declare colors for each item, or wrap the widget that allows the overriding of the child widget(s) background color.
i.e Something like Container widget.
can change by setting colors to backgroundColor property if type is fixed.
BottomNavigationBar(
backgroundColor: Colors.red,
type: BottomNavigationBarType.fixed,
items: [
BottomNavigationBarItem(
icon:Icon(Icons.home, color: Color.fromARGB(255, 255, 255, 255)),
title: new Text('Home'),),
BottomNavigationBarItem(
icon: Icon(Icons.work,color: Color.fromARGB(255, 255, 255, 255)),
title: new Text('Self Help'),),
BottomNavigationBarItem(
icon:Icon(Icons.face, color: Color.fromARGB(255, 255, 255, 255)),
title: new Text('Profile'),),
]
)
If the type is shifting it will use color inside bottomNavigationBarItem.
BottomNavigationBar(
backgroundColor: Colors.red,
type: BottomNavigationBarType.shifting,
items: [
BottomNavigationBarItem(
icon:Icon(Icons.home, color: Color.fromARGB(255, 255, 255, 255)),
title: new Text('Home'),
backgroundColor: Colors.red),
BottomNavigationBarItem(
icon: Icon(Icons.work,color: Color.fromARGB(255, 255, 255, 255)),
title: new Text('Self Help'),
backgroundColor: Colors.blue),
BottomNavigationBarItem(
icon:Icon(Icons.face, color: Color.fromARGB(255, 255, 255, 255)),
title: new Text('Profile'),
backgroundColor: Colors.amber),
]
)
You can see even though I have set backgroundColor property it does not apply that colors and the background color inside BottomNavigationBarItem widget will override that.
Found from here
Set following properties to change the background, selected and unselected colors
bottomNavigationBar: BottomNavigationBar(
backgroundColor: Colors.blue,
selectedItemColor: Colors.black,
unselectedItemColor: Colors.white,
type: BottomNavigationBarType.fixed,
...
)
You can currently style them BottomNavigationBar directly from the Theme, like this:
ThemeData(
bottomNavigationBarTheme: BottomNavigationBarThemeData(
backgroundColor: Colors.grey[900],
elevation: 10,
selectedLabelStyle: TextStyle(
color: Color(0xFFA67926), fontFamily: 'Montserrat', fontSize: 14.0
),
unselectedLabelStyle: TextStyle(
color: Colors.grey[600], fontFamily: 'Montserrat', fontSize: 12.0
),
selectedItemColor: Color(0xFFA67926),
unselectedItemColor: Colors.grey[600],
showUnselectedLabels: true,
),
)
The title is deprecated. We use label instead.
For label, we can use corresponding attributes: selectedLabelStyle, unselectedLabelStyle.
For example:
bottomNavigationBar: BottomNavigationBar(
type: BottomNavigationBarType.fixed,
selectedItemColor: Theme.of(context).accentColor,
selectedFontSize: 0,
unselectedFontSize: 0,
iconSize: 22,
elevation: 0,
backgroundColor: Colors.transparent,
selectedIconTheme: IconThemeData(size: 28),
unselectedItemColor: Theme.of(context).focusColor.withOpacity(1),
selectedLabelStyle: Theme.of(context).textTheme.bodyText1.merge(TextStyle(fontSize: 12)),
unselectedLabelStyle: Theme.of(context).textTheme.button.merge(TextStyle(fontSize: 11)),
showUnselectedLabels: true,
currentIndex: widget.currentTabIdx,
onTap: (int i) {
this._selectTab(i);
},
showSelectedLabels: true,
// this will be set when a new tab is tapped
items: [
BottomNavigationBarItem(
icon: SvgPicture.asset(IMAGE_ASSETS_ICONS_HOME) ,
activeIcon: SvgPicture.asset(IMAGE_ASSETS_ICONS_HOME, color: Theme.of(context).accentColor),
label: 'Home',
),
BottomNavigationBarItem(
label: 'Categories',
icon: SvgPicture.asset(IMAGE_ASSETS_ICONS_CATEGORY),
activeIcon: SvgPicture.asset(IMAGE_ASSETS_ICONS_CATEGORY, color: Theme.of(context).accentColor) ,
),
BottomNavigationBarItem(
icon: SvgPicture.asset(IMAGE_ASSETS_ICONS_ORDER_HISTORY, ) ,
activeIcon: SvgPicture.asset(IMAGE_ASSETS_ICONS_ORDER_HISTORY, color: Theme.of(context).accentColor ) ,
label: 'Order History',
),
BottomNavigationBarItem(
icon: SvgPicture.asset(IMAGE_ASSETS_ICONS_CART,) ,
activeIcon: SvgPicture.asset(IMAGE_ASSETS_ICONS_CART, color: Theme.of(context).accentColor) ,
label: 'Cart',
),
],
Try wrapping your BottomNavigationBar in a Container then set its color.
Example:
#override
Widget build(BuildContext context) {
return Scaffold(
body: pages(),
bottomNavigationBar:new Container(
color: Colors.green,
child: BottomNavigationBar(
items: <BottomNavigationBarItem>[
BottomNavigationBarItem(
icon: const Icon(Icons.home),
title: Text("Home")
),
BottomNavigationBarItem(
icon: const Icon(Icons.work),
title: Text("Self Help")
),
BottomNavigationBarItem(
icon: const Icon(Icons.face),
title: Text("Profile")
)
],
currentIndex: index,
onTap: (int i){setState((){index = i;});},
fixedColor: Colors.white,
),
);
);
};
Just follow the given below code to customize according to your requirements. You just need to set the parent of NavigationBar with Theme and set canvasColor to change the background color
bottomNavigationBar: Theme(
data: Theme.of(context).copyWith(
canvasColor: kOrangeMaterialColor
),
child: BottomNavigationBar(
type: BottomNavigationBarType.shifting,
currentIndex: _currentIndex,
onTap: _onTapItem,
items: [
BottomNavigationBarItem(icon: Icon(Icons.home,
color: kWhiteColor,),
label: ''),
BottomNavigationBarItem(icon: Icon(Icons.notifications,
color: kWhiteColor,),
label: ''),
// BottomNavigationBarItem(icon: Icon(Icons.favorite_border,
// color: kWhiteColor,),
// label: ''),
BottomNavigationBarItem(icon: Icon(Icons.account_circle,
color: kWhiteColor,),
label: ''),
BottomNavigationBarItem(icon: Icon(Icons.settings,
color: kWhiteColor,),
label: ''),
],
),
),
You can use this code :
BottomNavigationBar (
backgroundColor: Colors.red,
type: BottomNavigationBarType.fixed
)
Or warp BottomNavigation with Theme widget and change canvasColor.
Theme(
data: Theme.of(context).copyWith(canvasColor: Colors.green),
child: BottomNavigationBar(
// add your code ...
)
],
),
),
Simply add the backgroundColor property to BottomNavigationBarwidget.
#override
Widget build(BuildContext context) {
return new Scaffold(
appBar: null,
body: pages(),
bottomNavigationBar:new BottomNavigationBar(
items: <BottomNavigationBarItem>[
new BottomNavigationBarItem(
icon: const Icon(Icons.home),
title: new Text("Home")
),
new BottomNavigationBarItem(
icon: const Icon(Icons.work),
title: new Text("Self Help")
),
new BottomNavigationBarItem(
icon: const Icon(Icons.face),
title: new Text("Profile")
)
],
currentIndex: index,
onTap: (int i){setState((){index = i;});},
fixedColor: Colors.white,
backgroundColor: Colors.black45,
),
);
}
// it will work like this backgound color
import 'package:flutter/material.dart';
import 'package:pedometer/widgets/const.dart';
import 'package:pedometer/widgets/const.dart';
import 'package:pedometer/widgets/const.dart';
import 'package:pedometer/widgets/icon.dart';
import 'dashbord.dart';
class MyStatefulWidget extends StatefulWidget {
const MyStatefulWidget({Key? key}) : super(key: key);
#override
State<MyStatefulWidget> createState() => _MyStatefulWidgetState();
}
class _MyStatefulWidgetState extends State<MyStatefulWidget> {
int _selectedIndex = 0;
static const TextStyle optionStyle =
TextStyle(fontSize: 30, fontWeight: FontWeight.bold);
static const List<Widget> _widgetOptions = <Widget>[
DashbordScreen(),
DashbordScreen(),
DashbordScreen(),
DashbordScreen(),
];
void _onItemTapped(int index) {
setState(() {
_selectedIndex = index;
});
}
#override
Widget build(BuildContext context) {
return Scaffold(
body: Center(
child: _widgetOptions.elementAt(_selectedIndex),
),
bottomNavigationBar: BottomNavigationBar(
backgroundColor: const Color.fromARGB(255, 6, 17, 93),
type: BottomNavigationBarType.fixed,
items: const <BottomNavigationBarItem>[
BottomNavigationBarItem(
// iconFun(path:Icons.home,context: context )
icon: Icon(Icons.home,color: Colors.white,size: 35,),
label: 'Home',
// backgroundColor: Colors.red,
),
BottomNavigationBarItem(
icon: Icon(Icons.auto_graph_outlined,color: Colors.white,size: 35),
label: 'Business',
backgroundColor: Colors.green,
),
BottomNavigationBarItem(
icon: Icon(Icons.health_and_safety,color: Colors.white,size: 35),
label: 'School',
// backgroundColor: Colors.purple,
),
BottomNavigationBarItem(
icon: Icon(Icons.settings,color: Colors.white,size: 35),
label: 'Settings',
// backgroundColor: Colors.pink,
),
],
currentIndex: _selectedIndex,
selectedItemColor: Colors.white,
onTap: _onItemTapped,
),
);
}
}
use
BottomNavigationBar (
backgroundColor: Colors.red,
)
If not changing color with this wrap with material widget.
Material(
child:
BottomNavigationBar (
backgroundColor: Colors.red,
),
)