How do I get my child back from Firebase?

How do I get my child back from Firebase?

First if you want to retrieve the data only once, you can do the following : DatabaseReference ref = FirebaseDatabase. getInstance(). getReference(); DatabaseReference mostafa = ref.

What is query snapshot?

A QuerySnapshot contains zero or more DocumentSnapshot objects representing the results of a query. The documents can be accessed as an array via the docs property or enumerated using the forEach method. The number of documents can be determined via the empty and size properties.

How do you take a snapshot from a query?

To access the documents within a QuerySnapshot , call the docs property, which returns a List containing DocumentSnapshot classes.

  1. FirebaseFirestore. instance.
  2. . collection(‘users’)
  3. . get()
  4. . then((QuerySnapshot querySnapshot) {
  5. querySnapshot. docs. forEach((doc) {
  6. print(doc[“first_name”]);
  7. });
  8. });

How do I connect firestore to flutter?

Add Cloud Firestore plugin to your app

  1. From the root directory of your Flutter app, open your pubspec. yaml file.
  2. Add the FlutterFire plugin for the Cloud Firestore. All Flutter apps with Cloud Firestore, both iOS and Android versions, require the cloud_firestore plugin.

How do I import data into firestore in flutter?

Import the following packages for choosing image and uploading image file to firebase storage.

  1. import ‘dart:io’;
  2. import ‘package:firebase_storage/firebase_storage.dart’; // For File Upload To Firestore.
  3. import ‘package:flutter/material.dart’;
  4. import ‘package:image_picker/image_picker.dart’; // For Image Picker.

How do you make a collection in flutter firestore?

Cloud Firestore stores data in Documents, which are stored in Collections. Cloud Firestore creates collections and documents implicitly the first time you add data to the document. You do not need to explicitly create collections or documents.

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