Android Architecture navigation Component with Bottom Navigation?

Question

Now I am wondering which is the most proper way of implementation when want to combine BottomNavigation with the new Android Architecture Navigation Component?

For now found two approaches:

Single Navigation Graph which maintains all BottomNavigation items and which is shown here from Google Codelabs: https://codelabs.developers.google.com/codelabs/android-navigation/#1
Multiple Navigation Graphs where every BottomNavigation item has its own navigation graph which maintains only its behavior and backstack which i shown here: https://proandroiddev.com/mastering-the-bottom-navigation-with-the-new-navigation-architecture-component-cd6a71b266ae

My opinion is that the second one is more clear and understandable, but maybe you have another opinion.

Bilal Aslam · Accepted Answer · 2019-03-19 13:14:52Z

9

Having separate backstacks or not is a decision based on user experience but if you do want multiple backstacks for bottomnavigation then follow the link for correct approach by androidx developers. https://github.com/googlesamples/android-architecture-components/tree/master/NavigationAdvancedSample

answered Mar 19, 2019 at 13:14

Bilal Aslam

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Melvin Otieno · Accepted Answer · 2018-12-29 13:59:09Z

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I think it depends with the number of nested fragments you will have per each navigation item. The fewer the fragments then i would use the first approach and the more the fragments then i would use the latter approach

answered Dec 29, 2018 at 13:59

Melvin Otieno

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