Recent questions tagged Firebase

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firebase - How to insert server timestamp in Firestore document using REST?

I want to insert a document using a REST call to Firestore createDocument method. One of the fields is a ... way to obtain that timestamp? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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880 views

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firebase - Using TextField inside a Streambuilder

How do we add a TextField inside a StreamBuilder? I have a TextField / TextFormField as one of the widgets inside the ... done), ), ); } } See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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773 views

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firebase - Are there any limitations for the FCM topics names?

I'm trying to find out if there are any limitations for the topic names for FCM. Managed to find info ... of topic name or allowed characters. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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firebase - admin.firestore is not a function when trying to use google cloud functions with node.js

This is the header of the node.js index.js file: const functions = require('firebase-functions'); const ... is not a function askFirebase See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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661 views

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firebase - javascript assigning value to variable from callback return (timing)

I'm having a trouble with assigning return value from Firebase call function to my global variable. This is my ... console.log wait for value? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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1.3k views

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firebase - Flutter - Your Cloud Firestore database has insecure rules

I have a collection called users where I am checking if new users mobile no is present or not. If It is present then ... .auth != null; } } } See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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807 views

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firebase - Firestore createId() ids not in chronological order

In Firebase realtime database, autogenerating ids keeps all entries in chronological order of when they were created. ... and sort by this? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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839 views

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firebase - Firestore Deadline Exceeded Node

I would like to load collection that is ~30k records. I.e load it via. const db = admin.firestore(); let ... but it does not provide JSON data. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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664 views

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firebase - How to send message to the topic in Android

How to send a topic message via Firebase ? I only found the way to send by using Firebase Console , as well ... a message to the topic? Thanks. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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667 views

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firebase - Firestore doesn't immediately start listening to changes when Internet Connection Resumes

If I start the app without Internet connection, and then turn on internet, Firestore takes some time before ... as Internet connection resumes. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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922 views

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firebase - Can't get Firestore Rules get() to work inside a function

Firestore doesn't work well with get inside a function I have this rule service cloud.firestore { match /databases ... ["||invalid_argument||"] See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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716 views

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firebase security permission not working

I have below data stored in my firebase: firebaseRoot admins simplelogin:1: users simplelogin:1 email: [email protected] ... access the desired data. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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766 views

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firebase - How to enable Cloud Firestore Native Mode using API / command line?

I'm writing a script for setting up a Google Cloud project and I'd like to use Firestore. A new project, ... gcloud? firebase?) for enabling it? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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755 views

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firebase - FCM Data payload received in android not in json format

I am getting the data payload from the firebase not in json format, instead I am getting custom key-value pairs ... e.printStackTrace(); } } } See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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1.2k views

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firebase hosting blocking script due to CORS issue

I am using firebase hosting to host few scripts and trying to access them from another site. it naturally gets ... . what else is needed? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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670 views

1 answer

firebase - Maxing out document storage in Firestore

I'm working on some posting forum projects and trying to figure out the ideal Firestore database structure. I read ... Would it also be faster? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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729 views

1 answer

firebase - Is Cloud Firestore data replicated over continents?

I was reading this blog post. It make me wonder how data replication and fail overs handled in case of ... to global market using Firestore? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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730 views

1 answer

firebase - Is Cloud Firestore data replicated over continents?

I was reading this blog post. It make me wonder how data replication and fail overs handled in case of ... to global market using Firestore? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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550 views

1 answer

firebase - Android App crashes on API level 19 but works fine on API above 19

My app crashes on API 19 but it is working fine on API level 21, 22 and 23. (I tested in the Firebase website). ... com.redbend.vdmc Please check this too: This is the last clue:...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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925 views

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firebase - Firestore security rules with reference fields

I am a bit stuck here as there is no way to debug those rules. I'd appreciate help with below rules. ... moduleId).data.owner or something else? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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857 views

1 answer

firebase - Function not found error: Name: [get]. in firestore security rules simulation

match /UserProfile { match /{uId}{ allow get: if isUserLoggedIn() && !isUserBlocked(uId); } when i try to ... working fine thats it please help See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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750 views

1 answer

firebase - How to inner-join in firestore

I want to build a view to show some events inside a listview in my app like this: I have these two tables: ... want to do something like a join. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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704 views

1 answer

firebase - Using push() method to create new child location without unique key

In my firebase web app when new users signup with their email i create a node under their email adress under ... user.displayName or user.email See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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586 views

1 answer

firebase - get android release Certificate Fingerprints

I am using Android Studio on Mac El Capitan. How do I get the release Certificate Fingerprints? I need it for ... sure exactly how to get it. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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600 views

1 answer

firebase - Android - Client-side sorting with FirebaseRecyclerAdapter

I'm building an application with Firebase on Android. The scenario for my application is as follows. Look ... achieve this scenario gracefully. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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1.5k views

1 answer

firebase - flutter / dart How can check if a document exists in firestore?

I try to query using a bool if a document exists on the cloudfirestore or not. Unfortunately, my code does not work I ... { print('Error'); } } See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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750 views

1 answer

firebase - How many topics an app instance can subscribe in FCM?

As mentioned in FCM documents, unlimited topic can be created for one Firebase application. But as the Firebase Admin ... subscribe to in FCM? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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1.0k views

1 answer

firebase - Flutter Firestore How To Listen For Changes To ONE Document

I just want to get notified whenever ONE document is changed or updated. Every example of getting updates is always ... am I doing wrong here? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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