Summary of "Modern Bottom Nav Bar📱Flutter Tutorial ♡"
The video is a Flutter tutorial focused on creating a modern, customizable bottom navigation bar using the google_nav_bar (GNav) package. Key points covered include:
- Setup:
- Starting with a new Flutter project using a MaterialApp and a blank Scaffold as the home page.
- Adding the
google_nav_barpackage topubspec.yamldependencies.
- Implementation:
- Replacing Flutter’s default BottomNavigationBar with
GNav. - Creating navigation tabs using
GButtonwidgets with icons and labels (e.g., Home, Favorite, Search, Settings). - Demonstrating how to customize the spacing between icons and text using the
gapproperty.
- Replacing Flutter’s default BottomNavigationBar with
- Styling and Customization:
- Changing background colors, active colors, and tab background colors to achieve a dark theme style.
- Adjusting padding around tabs and the overall navigation bar using
EdgeInsetsand wrappingGNavin aPaddingandContainerfor better layout and aesthetics. - Highlighting the ability to customize many visual properties to match app themes.
- Functionality:
- Using the
onTabChangecallback to detect tab selection changes, returning the selected tab’s index (0,1,2,3). - Explaining that this index can be used to navigate between different app pages.
- Referring viewers to a previous tutorial for deeper understanding of bottom navigation bar functionality.
- Using the
- Additional Notes:
- Encourages experimentation with package properties to find the desired look.
- Provides reassurance for viewer questions and engagement.
Main speaker/source:
- The tutorial is presented by a single Flutter developer/YouTuber (unnamed in subtitles) who guides through the step-by-step process of implementing and customizing the google_nav_bar package.
Category
Technology