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Software Development Executive - II
Last updated on Nov 8, 2023
Last updated on Nov 8, 2023
Among the suite of widgets that make up the Flutter landscape, one widget that stands out for its usefulness in navigation is the Flutter breadcrumb. Breadcrumbs allow users to track their location within an application or webpage and easily navigate back to a higher-level page or the landing page.
Enhanced navigation experience fosters user engagement, reduces bounce rate, and optimizes the website for search engines. This blog aims to explore the Flutter breadcrumb widget, offering a detailed understanding, types, and implementation guide.
Breadcrumbs, as a navigational aid, provide a trail for the user to follow back to the starting or entry point. Users find breadcrumb trails useful as they provide a snapshot of the website's hierarchy without going through a complex navigational process.
In essence, a breadcrumb trail offers a series of text links, often arranged horizontally towards the top of a particular page, charting the path to the current site location. The primary navigation menu is usually more abstract, while the breadcrumb provides a more concrete way to navigate.
In the context of Flutter, the breadcrumb concept remains the same and is implemented as the Flutter breadcrumb widget.
The Flutter breadcrumb widget is built to offer a breadcrumb trail in the Flutter app interfaces, both for mobile and Flutter web breadcrumb applications. It simply tells the user about their current position in the website hierarchy, making it easier to navigate back to the previous page or multiple levels of higher-level pages.
The official Flutter breadcrumb widget documentation shows how to create a breadcrumb in Flutter easily:
1// Example of a basic Flutter breadcrumb widget. 2import 'package:flutter_breadcrumb/flutter_breadcrumb.dart'; 3 4BreadCrumb( 5 items: <BreadCrumbItem>[ 6 //add your BreadCrumbItem here 7 ], 8 divider: Icon(Icons.chevron_right), 9)
Breadcrumb navigation elevates user interaction in an application by providing a clear understanding of the user's current location within the app hierarchy. By using Flutter breadcrumbs, we help our users easily navigate back to higher-level pages or even return to the primary navigation menu without getting lost in multiple content levels. It is especially useful in apps with deeply nested pages like e-commerce sites.
There are primarily two types of breadcrumbs we will discuss - path-based breadcrumbs and attribute-based breadcrumbs.
This type of breadcrumb reflects the user's steps to arrive at the current page. It indicates the user's journey from the landing page to their current location. Let's consider a breadcrumb trail for a Flutter developer browsing through a widget library:
1'Home > Library > Widgets > Breadcrumbs'
On the other hand, this type of breadcrumb shows the characteristics or attributes of a single page. They're commonly used in e-commerce sites where a product can have attributes like category, brand, and price. Here's an example:
1'Home > Electronics > Mobiles > Apple > iPhone 13 Pro Max'
In an attribute-based breadcrumb, "Apple" and "iPhone 13 Pro Max" are attributes of the current page, which is the "Mobiles" product category.
These breadcrumbs serve as a useful navigational aid, enhancing the user experience for Flutter apps. Are you ready to learn how to implement these breadcrumbs within a Flutter app?
Implementing breadcrumb navigation in Flutter requires strategic and careful structuring of your app architecture. Here, we'll explore how to add breadcrumbs to your Flutter app by creating a breadcrumb trail using the Flutter breadcrumb widget.
1import 'package:flutter_breadcrumb/flutter_breadcrumb.dart'; 2 3BreadCrumb( 4 items: <BreadCrumbItem>[ 5 BreadCrumbItem(content: Text('Home')), 6 BreadCrumbItem(content: Text('Flutter')), 7 BreadCrumbItem(content: Text('Breadcrumb')), 8 ], 9 divider: Icon(Icons.chevron_right), 10)
The above example shows how to create a simple breadcrumb trail in Flutter with three breadcrumb items. The BreadCrumb widget takes care of creating the breadcrumb link and displaying the breadcrumb dividers.
Flutter allows extensive customization of the breadcrumb appearance through styling options. We can customize the look and feel of breadcrumbs to ensure they seamlessly fit into the app design. One example is altering the color and style of the breadcrumb link or the text:
1BreadCrumb( 2 items: <BreadCrumbItem>[ 3 BreadCrumbItem(content: Text('Home', style: TextStyle(color: Colors.blue))), 4 BreadCrumbItem(content: Text('Flutter', style: TextStyle(color: Colors.blue))), 5 BreadCrumbItem(content: Text('Breadcrumb', style: TextStyle(color: Colors.blue))), 6 ], 7 divider: Icon(Icons.chevron_right, color: Colors.blue), 8)
In the above example, we've colored the breadcrumb text and divider icons with blue color.
Breadcrumbs not only add functionality but, when styled correctly, also lend an aesthetically pleasing touch to your Flutter app.
Like any other widget in Flutter, the breadcrumb widget may also present inevitable hiccups during implementation. Here, we discuss some common issues and suggest feasible troubleshoots:
In conclusion, the Flutter breadcrumb widget offers an effective tool for providing an efficient navigation scheme for users. A well-implemented breadcrumb can significantly enhance user experience, reduce bounce rate, and optimize the application for search results. Skilled use of the Flutter breadcrumb widget is necessary for any Flutter developer aiming to create an engaging and user-friendly app.
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