Firebase Firestore Tutorial #10 - Receive Multiple Data

? tutorial we replace our DocumentReferences' set method for the CollectionReference's add method to add more than one document into our Notebook collection. Instead of giving each document a name, Firestore will auto generate a random ID for them.
We will retrieve all documents from the collection and display them in our app. For this we will use the get method as well as the SnapshotListener's onEvent method again. Instead of a single DocumentSnapshot we will get a QuerySnapshot that contains multiple QueryDocumentSnapshots. As before we can call toObject on a DocumentSnapshot to turn it into an object of our custom Java class.
We will also retrieve our auto generated random id from this DocumentSnapshot by calling getId on it and then save it in a field of our note object, which we exclude from the Firestore database with the @Exclude annotation to avoid redundant data.
? Please tell us in comments, what do you think about our lecturing method??
We are waiting your comments.

????? Firebase Course ?????
? 1- Firebase Firestore Tutorial #1 - Firebase Setup - How to connect Firebase with Android Studio
https://www.youtube.com/watch?v=f_EJebKIRKo

? 2- Firebase Firestore Tutorial #2 - Introduction
https://www.youtube.com/watch?v=MkLtg2zN9ok

? 3- Insert data into Firestore - How to insert data in firebase database android
https://youtu.be/66PdLHIEu1c

? 4- Read data from firestore - Firebase Firestore Android Tutorial
https://www.youtube.com/watch?v=cXxk7R-xuaM

? 5- Firebase Firestore Tutorial #5 - SnapShot Listener in Firestore
https://youtu.be/71JAKKEIsbY

? 6- Firebase Firestore Tutorial #6 - Building Firebase App
https://youtu.be/MmBXBH2Kaso

? 7- Firebase Firestore Tutorial #7 - Updating Data
https://youtu.be/D-3_QLU05b8

? 8- Firebase Firestore Tutorial #8 - Deleting Data
https://youtu.be/B9gY_BlnP-E

? 9- Firebase Firestore Tutorial #9 - Custom Java Object - Using Model Class to Receive Data
https://youtu.be/ukK0jqjIl6M


? Receive Data From Firebase & Display them Into Recycler View - Master Android App
https://www.youtube.com/watch?v=0QnvFYsKl4U

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