firestore get data()未解析嵌套数组 Firestore是一种云数据库服务,由Google Cloud提供。它是一种灵活的NoSQL文档数据库,适用于构建实时应用程序。Firestore提供了一组API,使开发人员可以轻松地读取、写入和查询数据。 在Firestore中,可以使用get()方法来获取数据。get()方法用于从指定的集合或文档中获取数据。当使用ge...
import { collection, onSnapshot } from "firebase/firestore"; import { useEffect } from "react"; const listenData = () => { const unsubscribe = onSnapshot(collection(db, "users"), (querySnapshot) => { querySnapshot.forEach((doc) => { console.log(doc.id, " => ", doc....
In Firestore, a collection is a group of documents. Each document contains fields and data. To access data from a collection, developers can use the collection get method. Syntax The syntax for collection get in Firestore is as follows: ...
Android Studio version: 4.1.1 Firebase Component: Firestore Component version: bom 27.1.0 If the app is backgrounded and the phone is idle for a while (say 1-2 hours), then, upon returning to the app, Firestore won't update with fresh da...
firestore = Google::Cloud::Firestore.new project_id: project_id # [START fs_get_multiple_docs] cities_ref = firestore.col collection_path query = cities_ref.where "capital", "=", true query.get do |city| puts "#{city.document_id} data: #{city.data...
Hello, How can I get a document ID by having field data of the same document (Firebase Firestore)? collection/document_id/field I have the field data and want to get the document_id. Btw, I use Java in Android Studio. javadatabasefirebasefirestore ...
Source File: MyDataStore.java From smart-home-java with Apache License 2.0 6 votes public String getUserId(String token) throws ExecutionException, InterruptedException { if (token == null) { token = "Bearer 123access"; } ApiFuture<QuerySnapshot> userQuery = database.collection("users")....
cfchartdata cfchartseries cfcollection cfcomponent cfexecute cfftp function cfindex cfinterface cfinvoke cfinvokeargument cfobject cfproperty cfreport cfreportparam cfreturn cfsearch cfsharepoint cfspreadsheet cfwddx cfxml File management tags cfdirectory cffile cffileupload cfftp cfzip cfzipparam ...
I need to show a video file in Xamarin.Forms. I have placed the MP4 file in \Internal storage\Android\data\com.mycompany.MyApp\files\VideosThen, I tried to access it using:string videoPath = System.IO.Path.Combine(Environment.GetFolderPath(Environment.SpecialFolder.MyVideos), this.viewModel...
google-cloud-bigquery-data-exchange google-cloud-bigqueryconnection google-cloud-bigquerydatapolicy google-cloud-bigquerydatatransfer google-cloud-bigquerymigration google-cloud-bigqueryreservation google-cloud-bigquerystorage google-cloud-bigtable google-cloud-billing google-cloud-billingbudgets...