Top "Firebase" questions

Firebase is a serverless platform for unified development of applications for mobile devices and for the web.

FCM getting MismatchSenderId

I have an application that uses Google FCM for sending push notifications. When i send a push notification to a …

firebase firebase-cloud-messaging
No notification sound when sending notification from firebase in android

I am sending push notification from firebase to my Android Application. but when my app is in background firebase onMessageReceived …

android push-notification notifications firebase firebase-cloud-messaging
Failed to resolve: com.google.firebase:firebase-core:16.0.1

I'm trying to add firebase cloud storage to my app. Below is the app build.gradle. But it says: Failed …

java android firebase gradle android-gradle-plugin
How to update an "array of objects" with Firestore?

I'm currently trying Firestore, and I'm stuck at something very simple: "updating an array (aka a subdocument)". My DB structure …

javascript arrays object firebase google-cloud-firestore
How do you send a Firebase Notification to all devices via CURL?

I'm attempting to send out a notification to all app users (on Android), essentially duplicating what happens when a notification …

android firebase firebase-cloud-messaging firebase-notifications
How to get a list of all files in Cloud Storage in a Firebase app?

I'm working on uploading images, everything works great, but I have 100 pictures and I would like to show all of …

firebase firebase-storage
Class file for com.google.android.gms.internal.zzaja not found

I am using Fragment for the designing of the Firebase simple login registration. I get error in the OnCreateView() method …

android firebase android-gradle-plugin firebase-authentication
How to use Apple's new .p8 certificate for APNs in firebase console

With the recent up gradation of the Apple developer accounts, I am facing a difficulty that while trying to create …

ios firebase apple-push-notifications p12 p8
Didn't find class "com.google.firebase.provider.FirebaseInitProvider"?

I am getting the below exception on app launch. java.lang.RuntimeException: Unable to get provider com.google.firebase.provider.…

android firebase
In Firebase, is there a way to get the number of children of a node without loading all the node data?

You can get the child count via firebase_node.once('value', function(snapshot) { alert('Count: ' + snapshot.numChildren()); }); But I …

database firebase count