bottom_navigation_bar_example
Flutter BottomNavigationBar Example .
Flutter BottomNavigationBar Example
Sample BottomNavigationBar Widget Example in Flutter.
ScreenShot
| Sign-In Screen |
|---|
 |
Steps
1:Create StatelessWidget BottomNavigationBarExample 2:Create an integer variable _selectedIndex to store the index of BottomNavigationBar 3:Create a List of Widgets named _bodyContent to store the Pages associated with each BottomNavigationBarItem 3.1:Give the body Page Widgets inside this List 4:create a void function named _changeIndex to change the _selectedIndex variable to selected index of BottomNavigationBarItem using setState() 4.1:Give a parameter of type integer named index to the function 5:Add property bottomNavigationBar: to the Scaffold 5.1:Add Widget BottomNavigationBar 5.2:set property currentIndex: of BottomNavigationBar as _selectedIndex 5.3:set property onTap: of BottomNavigationBar as _changeIndex 5.4:set property items: of BottomNavigationBar as children containing BottomNavigationBarItem 5.5:set property icon: of BottomNavigationBarItem as Icon of BottomNavigationBarItem 5.6:set property label: of BottomNavigationBarItem as label Name of BottomNavigationBarItem 6:Add body to the Scaffold 6.1:set the body as Widgets of List _bodyContent using the list function elementAt() and giving the index as _selectedIndex
