ff_navigation_bar_lts

Description:

ff navigation bar lts

ff_navigation_bar #
A highly configurable navigation bar with emphasis for the selected item.

Add dependency #
dependencies:
ff_navigation_bar: ^0.1.5
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Basic use #
import 'package:flutter/material.dart';
import 'package:ff_navigation_bar/ff_navigation_bar.dart';
...
return Scaffold(
appBar: AppBar(
title: Text(widget.title),
),
body: Center(
child: Column(
mainAxisAlignment: MainAxisAlignment.center,
children: <Widget>[
Text(
'Demonstration',
),
],
),
),
bottomNavigationBar: FFNavigationBar(
theme: FFNavigationBarTheme(
barBackgroundColor: Colors.white,
selectedItemBorderColor: Colors.yellow,
selectedItemBackgroundColor: Colors.green,
selectedItemIconColor: Colors.white,
selectedItemLabelColor: Colors.black,
),
selectedIndex: selectedIndex,
onSelectTab: (index) {
setState(() {
selectedIndex = index;
});
},
items: [
FFNavigationBarItem(
iconData: Icons.calendar_today,
label: 'Schedule',
),
FFNavigationBarItem(
iconData: Icons.people,
label: 'Contacts',
),
FFNavigationBarItem(
iconData: Icons.attach_money,
label: 'Bills',
),
FFNavigationBarItem(
iconData: Icons.note,
label: 'Notes',
),
FFNavigationBarItem(
iconData: Icons.settings,
label: 'Settings',
),
],
),
);
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Theme #
The navbar has a Theme class which can be used to define the majority of appearance settings for the navbar and its items.

barBackgroundColor: The background color for the entire bar (default = white)
selectedItemBackgroundColor: The background color for the CircleAvatar widget used to display the selected item's icon (default = blueAccent)
selectedItemIconColor: The color for the selected item's icon (default = white)
selectedItemLabelColor: The color for the selected item's label (default = black)
selectedItemBorderColor: The color for the selected item's border (default = white)
unselectedItemBackgroundColor: The background color for unselected items (default = transparent)
unselectedItemIconColor: The color for unselected items' icons (default = grey)
unselectedItemLabelColor: The color for unselected items' icons (default = grey)
selectedItemTextStyle: The text style to use for the selected item's label. The selectedItemLabelColor takes priority over any color attribute of the style (defaults to size = 13.0, weight = Bold)
unselectedItemTextStyle: The text style to use for the unselected items' labels (defaults to size = 12.0, weight = Normal)
barHeight: The height for the bar (which is automatically included within a SafeArea widget)
itemWidth: The width to use for the selected item CircleAvater (default = 48.0)
showSelectedItemShadow: Indicates if the drop shadow below the selected item should be displayed (default = true)

FFNavigationBar Attributes #

selectedIndex: The item number (zero indexed) which should be marked as selected
onSelectTab: Callback function to receive tap notifications using the typedef Function(int selectedIndex)
items: List of FFNavigationBarItem objects to be displayed as the bar's items
theme: A FFNavigationBarTheme theme object

FFNavigationBarItem #

label: The String to display as the item's label
iconData: The IconData to use in the item's Icon
animationDuration: A Duration object which can be used to tweak the AnimatedContainer behaviour of the navigation bar item.
selectedBackgroundColor: A Color value which can override the theme's selectedItemBackgroundColor value for a specific navigation bar item (used to create different colors for each item)
selectedForegroundColor: A Color value which can override the theme's selectedItemIconColor value
selectedLabelColor: A Color value which can override the theme's selectedItemLabelColor value