144,199 questions
869
votes
10
answers
304k
views
Is it safe to expose Firebase apiKey to the public?
The Firebase Web-App guide states I should put the given apiKey in my Html to initialize Firebase:
// TODO: Replace with your project's customized code snippet
<script src="https://www.gstatic....
- 9,563
588
votes
32
answers
630k
views
How to handle notification when app in background in Firebase
Here is my manifest:
<service android:name=".fcm.PshycoFirebaseMessagingServices">
<intent-filter>
<action android:name="com.google.firebase.MESSAGING_EVENT&...
- 6,778
503
votes
28
answers
457k
views
No Firebase App '[DEFAULT]' has been created - call Firebase.initializeApp() in Flutter and Firebase
I am building a Flutter application and I have integrated Firebase, but I keep getting this error when I click on a button either to register, login, or logout. I have seen other people have asked the ...
- 6,050
446
votes
4
answers
197k
views
What's the difference between Cloud Firestore and the Firebase Realtime Database?
Google just released Cloud Firestore, their new Document Database for apps.
I have been reading the documentation but I don't see a lot of differences between Firestore and Firebase DB.
The main ...
- 13.2k
432
votes
9
answers
400k
views
Convert Promise to Observable
I am trying to wrap my head around observables. I love the way observables solve development and readability issues. As I read, benefits are immense.
Observables on HTTP and collections seem to be ...
- 5,421
374
votes
32
answers
579k
views
firestore: PERMISSION_DENIED: Missing or insufficient permissions
I am getting the Error
gettingdocuments.com.google.firebase.firestore.FirebaseFirestoreException:
PERMISSION_DENIED: Missing or insufficient permissions.
for the below code on else statement
...
- 3,813
346
votes
21
answers
74k
views
API 'variant.getExternalNativeBuildTasks()' is obsolete and has been replaced with 'variant.getExternalNativeBuildProviders()
Using Android Studio 3.3 Canary 11 with the gradle plugin version 3.3.0-alpha11. It throws the following error when trying to sync gradle
WARNING: API 'variant.getExternalNativeBuildTasks()' is ...
- 7,517
343
votes
32
answers
301k
views
Firebase onMessageReceived not called when app in background
I'm working with Firebase and testing sending notifications to my app from my server while the app is in the background. The notification is sent successfully, it even appears on the notification ...
- 3,709
332
votes
30
answers
295k
views
Cloud Firestore collection count
Is it possible to count how many items a collection has using the new Firebase database, Cloud Firestore?
If so, how do I do that?
- 15.4k
327
votes
8
answers
692k
views
How can I solve the error 'TS2532: Object is possibly 'undefined'?
I'm trying to rebuild a web app example that uses Firebase Cloud Functions and Firestore. When deploying a function I get the following error:
src/index.ts:45:18 - error TS2532: Object is possibly '...
- 5,815
322
votes
59
answers
333k
views
Flutter and google_sign_in plugin: PlatformException(sign_in_failed, com.google.android.gms.common.api.ApiException: 10: , null)
The dialog (Google form) for the credentials is opened successfully, but after I fill my credentials I'm getting this error. I followed the instructions from here. Created a Firebase project, enabled ...
- 3,255
319
votes
10
answers
109k
views
How do I solve: Error: Failed to list Firebase projects. See firebase-debug.log for more info
So I'm minding my own business trying to initializing a Firebase project in my Angular app when all of the sudden I'm hit with this error:
Error: Failed to list Firebase projects. See firebase-debug....
- 14.1k
316
votes
9
answers
164k
views
What is Firebase Firestore 'Reference' data type good for?
I'm just exploring the new Firebase Firestore and it contains a data type called reference. It is not clear to me what this does.
Is it like foreign key?
Can it be used to point to a collection ...
- 7,316
306
votes
8
answers
269k
views
Query based on multiple where clauses in Firebase
{
"movies": {
"movie1": {
"genre": "comedy",
"name": "As good as it gets",
"lead": "Jack Nicholson&...
- 3,527
299
votes
6
answers
264k
views
Firebase Storage How to store and Retrieve images [closed]
How to store and view images on firebase?
- 3,015