How to paginate Firestore using Paging 3 on Android?

The videos explain how to paginate Firestore using Paging 3 on Android. We are using Flow, ViewModel, Kotlin Coroutines, and Hilt for Android in an MVVM Architecture Pattern.

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[oluwaFaith]

If prevKey is always null, how does the paging source know how to fetch previous data or will it start again all over from the beginning?

[HMANSHU]

Sir how can i implement pagination with just live data in view model and the recycler view in a fragment, with Firestore, , i am not using MVVM, please help !

[apunichjohncena]

Hello sir, I want to implement this with realtime database and I am unable to find a way to do that. Plz help

[neerajverma]

But this will not listen for live changes or updates?

[shamalylakhadive]

Is there any clean approach to implement pagination with real-time updates as this approach is for read only once.

[abnerescocio]

Sublime. Thanks a lot guy!!

[pt-BR] Você me ajudou a fazer algo que eu tento há muito tempo. Paginação vai me ajudar a economizar muitas leituras do Firestore, sem contar que meu app agora está muito mais flúido. Novamente, muito obrigado!

[KPai]

How to build to listen to live changes to data. I want to build an app that uses firestore as remote repo. I also want to use room for offline caching. The reason is I want to be able to do offline search by name. It's not possible to do searches in firestore without using algolia.

Please help.

[funnyfailsvids-o]

For some reason it's not working for me. I have 15 items, it loads everything and when I add new item in firebase, I can't get it