google-cloud-firestore

问题 We are building a job portal. We have a applications collection where we create a document when a user applies for a job. Now, from Android app client, I am listening to the same collection in two different activities. I have enabled the local persistence too. Now, does Firebase understand that it is the same query triggered from two activities and maintains one query snapshot for the listener or does it create two snapshots? 回答1: Now, does the Firebase manages to understand its the same

问题 I would like to ask if there is a document in the collection with the field "test" equal to 1 2 or 4. But unfortunately I have not found a suitable solution. This is my approach Unfortunately, this does not work here (is Equal To 1 | 2 | 4). Is that no or operator? (|) Future getPostsToday() async { ... var firestore = Firestore.instance; QuerySnapshot qn = await firestore.collection("Data").where("test", isEqualTo: 1 | 2 | 4 ).getDocuments(); return qn.documents; } 回答1: Cloud Firestore does

问题 I would like to ask if there is a document in the collection with the field "test" equal to 1 2 or 4. But unfortunately I have not found a suitable solution. This is my approach Unfortunately, this does not work here (is Equal To 1 | 2 | 4). Is that no or operator? (|) Future getPostsToday() async { ... var firestore = Firestore.instance; QuerySnapshot qn = await firestore.collection("Data").where("test", isEqualTo: 1 | 2 | 4 ).getDocuments(); return qn.documents; } 回答1: Cloud Firestore does

问题 I would like to ask if there is a document in the collection with the field "test" equal to 1 2 or 4. But unfortunately I have not found a suitable solution. This is my approach Unfortunately, this does not work here (is Equal To 1 | 2 | 4). Is that no or operator? (|) Future getPostsToday() async { ... var firestore = Firestore.instance; QuerySnapshot qn = await firestore.collection("Data").where("test", isEqualTo: 1 | 2 | 4 ).getDocuments(); return qn.documents; } 回答1: Cloud Firestore does

问题 I'm getting the below PlatformException in a FutureBuilder when running app.release.apk on an Android phone. It doesn't happen every time. I noticed that if I have the app open and I close the phone, after opening it and visiting the first item from a ListView shows the error, sometimes following visits to other items causes the exception, sometimes not. PlatformException(Error performing get, Failed to get document because the client is offline., null class _ItemState extends State<Item> {

问题 I'm getting the below PlatformException in a FutureBuilder when running app.release.apk on an Android phone. It doesn't happen every time. I noticed that if I have the app open and I close the phone, after opening it and visiting the first item from a ListView shows the error, sometimes following visits to other items causes the exception, sometimes not. PlatformException(Error performing get, Failed to get document because the client is offline., null class _ItemState extends State<Item> {

问题 I am using react-redux-firebase 's fireStoreConnect() middleware with a screen in my react-native mobile app. At the time of connecting the component to the redux store, I want to specify the firestore sub-collection I connect to, which depends on the user that is navigating the app. How should I specify the collection in firestoreConnect ? The user id is in the redux store. MWE: import React, { Component } from 'react'; import { View, Text } from 'react-native'; import { compose } from

问题 I am using react-redux-firebase 's fireStoreConnect() middleware with a screen in my react-native mobile app. At the time of connecting the component to the redux store, I want to specify the firestore sub-collection I connect to, which depends on the user that is navigating the app. How should I specify the collection in firestoreConnect ? The user id is in the redux store. MWE: import React, { Component } from 'react'; import { View, Text } from 'react-native'; import { compose } from

问题 I followed this tutorial for creating server side rendered app. After that I run npm install firebase @angular/fire --save and import the modules in the AppModule like this import { AngularFireModule } from "@angular/fire"; import { AngularFirestoreModule } from "@angular/fire/firestore"; import { AngularFireStorageModule } from "@angular/fire/storage"; AngularFireModule.initializeApp(environment.firebase), AngularFirestoreModule, AngularFireStorageModule, The error occurs when I try to serve

问题 I am trying to add document to my cloud firestore DB. In this manner. Future<String> currentlyIn()async{ FirebaseAuth auth = FirebaseAuth.instance; String fuser = await auth.currentUser(); }); return fuser.uid; } Map<String, dynamic> votedown() { Map<String, dynamic> comdata = <String, dynamic>{ 'user_Id':currentlyIn(), 'actual_vote':0, 'voteUp': false, }; return comdata; } DocumentReference storeReference =Firestore.instance.collection('htOne').document('docq'); await storeReference.setData