Advanced navigation app examples

Combine everything you've learned in this unit about navigation, view model, data binding, and live data by building a more advanced app that also includes custom back stack behavior.

 

Cupcake app introduction

Video Optional

Get an introduction to the Cupcake app you will be creating in this pathway.

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Shared ViewModel

Codelab

Build a cupcake ordering app, and use a shared ViewModel to share data between the fragments of the same activity.

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Navigation and the backstack

Codelab

Manipulate the back stack in a custom way by modifying the Cupcake app so that the user can cancel a cupcake order.

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Test ViewModels and LiveData

Codelab

Learn how to write unit tests for ViewModels and LiveData.

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