Interesting issue

1 Fragments + Simple stack links

Simplified Fragment Navigation, using a custom backstack and commitNow()

2 Shared element transitions links

There are a few things that should be kept in mind when using Shared Element Transitions.

3 Simple Splash Screen links

Splash screen in Android: The right way.

4 Firebase Realtime Database Android Example links

If your mobile app needs to store data on the cloud, you can use Firebase realtime database in your app.

5 Firebase Cloud Firestore Database Tutorial Android Example links

Firebase’s Firestore database is a NoSQL database hosted on cloud.