Recent questions tagged FireBase

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firebase - The library com.google.android.gms:play-services-base is being requested by various other libraries at [[15.0.1,15.0.1]], but resolves to 16.0.1

I see that this is a common issue apparently, but none of the posted solutions work for me. I have checked ... end of ZLIB input stream) See Question&Answers more detail:os...

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

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568 views

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firebase - populateViewHolder not executing with FirebaseRecyclerAdapter (Android)

I'm trying to use a FirebaseRecyclerAdapterto populate a RecyclerView in a fragment, with data ... D/FirebaseCrashSenderServiceImpl: onCreate See Question&Answers more detail:os...

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

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1.9k views

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firebase - Flutter: Unhandled Exception: Bad state: field does not exist within the DocumentSnapshotPlatform

I am new to flutter and i am building a social media App through tutorial which i am now customizing. ... ); print(currentUser.username); See Question&Answers more detail:os...

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

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725 views

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firebase - React hooks with firestore data - 1.1k reads in 30 seconds (from 2 collections with 3 documents with 2 attributes)

I'm trying to understand how the Cloud Firestore read quota works. I have read this post and the response to ... 2 attributes in each document). 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 - Flutter on IOS: fatal error: module 'cloud_firestore' not found

After searching long hours on github and stack for similar errors, none of the proposed solutions helped me ... description Need some help guys See Question&Answers more detail:os...

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

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835 views

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firebase - In Cloud Firestore, why is it not possible to "single bulk" delete a collection (as can be done with Realtime Database)?

With Firebase real time database we can delete a huge list of items with one single command simply by calling remove ... ) in one single call ? See Question&Answers more detail:os...

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

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688 views

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firebase - FirebaseApp initialization unsuccessful in Android Instant apps

I am currently working on an exiting Android application in order to create an Instant apps version. My ... implementation project(':moduleA') 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 - How to get value from FCM data message in Android?

I'm trying to implement FCM notification in my app. I have read FCM data message type will receive notification ... help me? Thanks in advance! See Question&Answers more detail:os...

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

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931 views

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firebase - Using Offline Persistence in Firestore in a Flutter App

I'm developing a app that uses Firebase's Firestore to send data to the web. One of the functions of the ... ())) .setData(finalDataMap);} See Question&Answers more detail:os...

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

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657 views

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firebase - Firestore Security - allow only known fields

I can't figure out how to properly set the .validate' rule in Firestore. Basically, I want to allow a User ... ", "address"] Thanks for 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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969 views

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firebase - How to get sub-collections of every collection in Firestore using Flutter

I'm building a task management app where every user has multiple projects (collections), inside every project there ... below its parent task. See Question&Answers more detail:os...

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

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726 views

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firebase - GCM3 & FCM is backward compatible for GCM 2

Right now i am using Google Cloud Messaging 2.0 by default its using myregistration_id in GCM version.Now i ... is both are backward compatible? See Question&Answers more detail:os...

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

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694 views

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firebase - Limitations of using sequential IDs in Cloud Firestore

I read in a stackoverflow post that (link here) By using predictable (e.g. sequential) IDs for documents, ... sequential or user provided id. See Question&Answers more detail:os...

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

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772 views

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firebase - Is there any method like onDisconnect() in firestore like there is in realtime database?

I want to check user's online status, in realtime database I used to check this with the help of onDisconnect( ... any similar method in that. See Question&Answers more detail:os...

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

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677 views

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firebase - AngularJS HTML5Mode

I am using HTML5 mode in my angular app to turn off hashbangs and that is because I am going to be providing URLs ... could make use of or not? See Question&Answers more detail:os...

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

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941 views

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firebase - 'com.google.android.gms.common.api.GoogleApiClient' is deprecated

I'm using in my app Google sign-in method and I have updated today my dependencies to: implementation "com. ... need to downgrade the versions? See Question&Answers more detail:os...

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

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1.6k views

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firebase - How to bind a Firestore documents list to a Dropdown menu in Flutter?

I'm having a problem regarding dropdown menus and firestore, how can I bind a list of documents retrieved from firestore ... }, ); } } 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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806 views

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firebase - What are the exact steps to enable safetynet device check api on Android

I have integrated firebase phone authentication in my android app. It was working fine for almost 2 months and ... screen comes in between. 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 - Flutter merge two firestore streams into a single stream

I simply want to perform an 'OR' operation and get the both results of two queries into one stream. Here's ... of two queries into one stream. See Question&Answers more detail:os...

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

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632 views

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firebase - How to get oobCode for localization purpose

Firebase allows only one language for confirmations emails. Whole nicely done products are useless for multi-language ... =&oobCode= Thank you. See Question&Answers more detail:os...

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

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840 views

1 answer

firebase - Firestore security rules: How to validate that a field is undefined?

When a user signs up and they initialise their data in firestore, I want to validate that they aren't ... with the philosophy of NoSQL? See Question&Answers more detail:os...

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

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757 views

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firebase - Unable to sign JWT when using serviceAccountId

We've switched from service account keys to serviceAccountIds (or tried to) so we can clean up all the rouge ... more for good measure. 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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1.0k views

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firebase - How to Delete all documents in collection in Firestore with Flutter

I have a firestore database. My project plugins: cloud_firestore: ^0.7.4 firebase_storage: ^1.0.1 This have a ... how is the correct syntax? See Question&Answers more detail:os...

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

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488 views

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firebase - Passing base64 string to object's attribute in AngularJS

I'm trying to upload an image via an input field, tie the base64 of the image to a variable, then add ... firepano.js) for the image handling. See Question&Answers more detail:os...

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

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553 views

1 answer

firebase - Flutter: Java uses or overrides a deprecated API

I've been trying to use the auth, firestore firebase in an Android / IOS flutter application, and have been experiencing ... -services:4.3.0' } See Question&Answers more detail:os...

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

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1.1k views

1 answer

firebase - FCM Notification in iOS doesn't play sound when received

I am using Firebase push notifications in my iOS Application. Although I am able to send the ... recieve notifications without sound 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

1 answer

firebase - How to transform an Android Task to a Kotlin Deferred?

Firebase anonymous sign in returns a task (which is basically Google promise implementation): val task:Task< ... signInAnonymous() : Deferred See Question&Answers more detail:os...

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

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819 views

1 answer

firebase - android studio 4.2 doesnt show signing report in gradle bar

Im starting a new project using firebase and i have to get SHA1 key from my project. Recently i'v been updating ... way in android studio 4.2 ? See Question&Answers more detail:os...

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

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