Customize breadcrumb navigation

Extension ： Breadcrumb navigation (BreadcrumbNavigation) The concept comes from fairy tales “ Hansel and Gretel ”, When Hansel and Gretel cross the forest , Accidentally got lost , But they found that bread crumbs were scattered everywhere they walked along the way , Let these crumbs help them find their way home . therefore , The breadcrumb navigation is used to tell visitors where they are currently on the site and how to return .

Look at the renderings first

iOS There is no such control that can be used in the development process , So I have to make my own wheels .

Briefly describe the idea ： The top navigation is actually a row of customized buttons , Click the directory and add this row of navigation buttons , Click the navigation button to remove the button behind this button .

A total of the following 3 File , One is a custom button with the right arrow , One is bread crumbs view, There is also a for managing breadcrumb data manager.

I won't post detailed code here , Download the link directly demo That's all right. .ViewController There are calls in .

 

Breadcrumb navigation demo Address