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.
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Cupcake app introduction
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Video
Optional
Get an introduction to the Cupcake app you will be creating in this pathway.
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Shared ViewModel
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Codelab
Build a cupcake ordering app, and use a shared ViewModel to share data between the fragments of the same activity.
