firebase-realtime-database

问题 I've got the error 'W/SyncTree(31625): Listen at /address failed: DatabaseError: Permission denied' while sending a request to firebase with an anonymous firebase user and without fancy firebase database rules :) . ..and i want to find out what causes this message. EDIT: error is the same with an existing user, means user signIn seems to work but accessing database not. What i've done so far: Set up firebase (including adding google_service.json, dependencies in pubspec.yaml) - works so far

问题 I implemented a new chat feature for our app using the Firebase androidchat as a template. Everything is working great, no error whatsoever, until I try the release build. *com.firebase.client.FirebaseException: Failed to bounce to type* There's one similar question in stackoverflow but it appears the guy managed to fix it by correcting spelling errors within his class. I have none of those and like I said, dev build has no errors. Here is my class: public class Chat { private String message;

问题 I implemented a new chat feature for our app using the Firebase androidchat as a template. Everything is working great, no error whatsoever, until I try the release build. *com.firebase.client.FirebaseException: Failed to bounce to type* There's one similar question in stackoverflow but it appears the guy managed to fix it by correcting spelling errors within his class. I have none of those and like I said, dev build has no errors. Here is my class: public class Chat { private String message;

问题 This question already has answers here : Restricting child/field access with security rules (3 answers) Closed 3 years ago . When using .read with a true rule on the Users node, I give access to some authenticated user read every user listed on that tree. I need just some of then. I need some rule that works like a filter. So on getting User/ path, this authenticated user will get an users array of only those that have permission path like this $uid > permission > auth.uid = true . { "rules":

问题 Now that Firebase provides Web Hosting services, how can we integrate Firebase Hosting with Firebase Realtime Database and Firebase Storage? 回答1: Firebase Hosting is static hosting for your web app.So you can use HTML, CSS, JavaScript. JavaScript Code: <script src="https://www.gstatic.com/firebasejs/3.5.0/firebase.js"></script> <script> // Initialize Firebase // TODO: Replace with your project's customized code snippet var config = { apiKey: "<API_KEY>", authDomain: "<PROJECT_ID>.firebaseapp

问题 I'm doing an app in flutter (ecommerce) when there is no cart created or opened I must create an order and get the id to add products, but I can not get the id of the order created Future<void> createOrder() async { Order order = new Order('Guatemala', new DateTime.now().toString(), '${widget.userId}-0', 0, widget.userId); var orderRs =_database.reference().child("orders").push().set(order.toJson()); } _orderList = new List(); _orderQuery = _database .reference() .child("orders")

问题 I'm having trouble with a Vue Method that both pushes a new deal to one Firebase ref and sets data in another. The issues lies when the method sets data. My current method is unable to get the key of deal that it is writing to the dealsRef in order to save it in the dealsRel. Firebase Refs: // Firebase reference to deals const dealsRef = db.ref('deals'); // Firebase reference to deal "relations" const dealsRel = db.ref('dealsRel'); Method: addDeal() { // Push new Deal to Firebase dealsRef

问题 Retrieving a Boolean array from a snapshot from Firebase gives me 0's and 1's. What is the best way to store an Boolean array from Firebase to an array in my project? This is my code: func loadUpInformation() { print("loading data") let user = FIRAuth.auth()?.currentUser let userID = FIRAuth.auth()?.currentUser?.uid ref = FIRDatabase.database().reference() ref.child("users").child(userID!).observeSingleEvent(of: .value, with: { (snapshot) in if !snapshot.exists() { return } if let

问题 I did the base64 utf-8 encoding of the email. Because it is a database key. However, the following problems arise. I need help. setValue at /user/aW1hZ2VfNTk1NkBuYXZlci5jb20= failed: DatabaseError: Invalid token in path databaseReference.child("user").child(util.getBase64encode(email)).setValue(userModel) help me... 回答1: In my case, the encoded string was having a new line at the end. Using Base64.NO_WRAP as mentioned by @Arvin in this answer worked as a solution. My encoding function now

问题 I did the base64 utf-8 encoding of the email. Because it is a database key. However, the following problems arise. I need help. setValue at /user/aW1hZ2VfNTk1NkBuYXZlci5jb20= failed: DatabaseError: Invalid token in path databaseReference.child("user").child(util.getBase64encode(email)).setValue(userModel) help me... 回答1: In my case, the encoded string was having a new line at the end. Using Base64.NO_WRAP as mentioned by @Arvin in this answer worked as a solution. My encoding function now