Save Data in Firebase Realtime Database using Kotlin | Realtime Database | Kotlin | Android Studio

what if user try to register username that already exists in database? error?

非常棒的教學!!! 很感謝你 :)

It will be really helpful if you make the full CRUD with otlin and firebase

your video helped me Man!

Hi Sir may I know what is the gradle setting?

thank you for this tutorial, you saved my homework. Great work!

You make really good videos! Thanks!! :)

.clear() doesnt work

sir this is the register part, can you do a login part video?

can we do the same from a fragment? if yes how

Halo. I love this tutorial. But i wanna ask you. How to save data with the many node.. Example
Users > name > age .. then all data in the Age node.. 🙏

For those of you who get a Failure message, be sure to make your database rules true for read and write.

In firebase you have username as a root for user data. How to make a root folder inside the username.
I mean, In my case,
Subjects >subject name :subject 1>( image url....)
Subject 2>(its properties)...

can i do this from a fragment not an activity

great video, just one question, if i have more than one activity and both most write or read data from the database, do i need to create a database instance per each activity? thanks

I have a problem when pressing the button the application closes.

merci!!!!!

Hey, how would you save another entity in one entity? For example, you have a data class User and the User has Post which is another data class. How would you implement this scenario? Thank you.

That's really helpful for beginners, get succeed by watching this video after facing failures today about 7 to 8 times

Thank you so much