How to manage Offline Update state of document in Firestore database withing time interval

I’ve created an application in which I’ve used a Firestore database. Now my tasks are this, User can take action of update document within time duration. I mean if the user tried to update while …

How to use WriteBatch with Firebase storage?

I’m using Firebase cloud database and firebase storage. I’m using the following code in order to remove two documents using WriteBatch: WriteBatch batch = fireDB.batch(); batch.delete(docRef1); batch….

How to retrieve the data from firestore in maps

Is there any way to retrieve the data from firestore in Maps. I am trying but its returning null here is my code docRef = db.collection(“Buses”).document(“Bus1”); Button …

What is the proper way to set a value listener in Firebase Cloud database?

I wrote the following code: connectedGroup.collection(“users”).document(connectedEmail).get() .addOnSuccessListener(new OnSuccessListener() { …

Data Retrieval from Firestore is erratic

I’m working on an Android app that does the following: Upon app start-up, it checks if a user is logged in, using AuthStateListener. If there is a user logged in, it retrieves data from Firestore. …

How to fix Android Cloud Firestore document snapshot

I am checking if the user has made an appointment in the database if not add the user(add a new document which has the user details). The problem with my app is that it runs both AddUser() and …

Firestore – Why check if DocumentSnapshot is not null AND call exists?

Take a look at this code example from the Firestore documentation: DocumentReference docRef = db.collection(“cities”).document(“SF”); docRef.get().addOnCompleteListener(new OnCompleteListener<…