Questions tagged [back4app]

Back4app is a mobile-backend-as-a-service platform. It offers the Open Source Parse Server as a backend. Use this tag for questions specific to back4app.

Back4app is a mobile-backend-as-a-service platform. It offers the Open Source Parse server as a backend.

Official site: https://www.back4app.com/

375 questions
0
votes
0 answers

cloud functions return error when using local parse database: "fail Error: The server returned an invalid response."

using parse dashboard in local system, implemented cloud functions and getting an error when call cloud function main.js: Parse.Cloud.define('cloudFunctions', function (req, res) { const query = new Parse.Query("Test"); if (req.params.Name) { …
Tejaswini
  • 3
  • 2
0
votes
1 answer

Parse server (Back4App) cloud function httpRequest returns 'invalid function' error

I am trying to send FCM notifications directly on the firebase POST url. When i comment out the httpRequest block, the function executes properly. When i uncomment the block, it starts to give me 'invalid function (141)' error on Android app. The…
0
votes
1 answer

Cross origin error when using cloud functions in back4app

Getting CORS error when calling cloud function in back4app. Error: Access to XMLHttpRequest at 'https://parseapi.back4app.com/functions/hello' from origin 'http://localhost:8100' has been blocked by CORS policy: No 'Access- Control-…
Tejaswini
  • 3
  • 2
0
votes
1 answer

How to get string from Parse Server in Android

I use Back4app Parse Server for backend. I retrieve data from this server well. But I can't use 'if else statement'. E.g, If the advertisement is for sale, the advertisement price should appear on price textview, if the advertisement is a gift, the…
0
votes
0 answers

How to connect the express-session store with back4app?

That's my code: const session = require('express-session'); let sess = { //store: , secret: cryptoString, resave: true, saveUninitialized: true, cookie: { path: '/', maxAge: 8 * 60 * 60 * 1000, //h * min * s *…
0
votes
0 answers

How to use sessions with parse / back4app?

This is my first web development and my first use of a database. With help of this Q&A I understand the purpose of sessions. Up to now I have used 'express-session'. const session = require('express-session'); let sess = { //store: , …
0
votes
2 answers

Ambiguous use of logInWithUsernameInBackground

Hi trying to get Back4App loginInWithUserName to work with SwiftUI and keep getting the following error Ambiguous use of logInWithUsernameInBackground on PFUser.logInWithUsernameInBackground($userName, password: $passWord) struct ContentView: View…
Madison Cat
  • 75
  • 2
  • 6
0
votes
1 answer

How to update the user object in back4app?

I use Node.js and back4app.com I try to update the user object. Therefore I have read a lot and found this promissing documentation: let progressId = "xyz"; let userId = "12354"; //aka objectId const User = new Parse.User(); const query = new…
listener
  • 47
  • 7
0
votes
0 answers

How to update the user object in Parse?

I use Node.js and back4app. I would like to update a field in user object. Therefore I have read the documentation and have tryed the solution of similare problems. But nothing works for me. This is the last code, that I have tryed out: var…
listener
  • 47
  • 7
0
votes
0 answers

How to Decrease Request Size to insert data to multiple table? (Back4App)

I was inserting the data (Back4app) to two tables in the same time. But it took a lot of requests. I've tried it for 3 hours, and I've inserted 3.28k data. (There's no other action in that program) In the end, it took 6.88k requests. Is it ok about…
0
votes
1 answer

Connecting to Back4App from Xamarin

Not able to connect to back4App. I am following the steps from back4App I am able to get the App running in emulator. However, I don't see anything in Back4App dashboard. Login at Back4App. Find your app and click on Dashboard. Click on Core. Go…
bish
  • 1
  • 3
0
votes
0 answers

Cordova and Back4app: Not getting Push notification on Android

I m using cordova to make a hybrid application. The back4app push notification works well on iOS devices but not working in Android. I have checked followings Android device is getting registered in back4app GCM Sender ID and API key is correctly…
WatsMyName
  • 4,240
  • 5
  • 42
  • 73
0
votes
0 answers

Fetch All Data in back4app class ionic

I'm new with Ionic and i want to make a CRUD ionic app with Back4app. I managed to create some class and the datas within it, using the app, but i have no idea how to Read (all data) and put it in a List within my app. Can someone help me? this is…
0
votes
0 answers

How to destroy the session (store)?

For authentification I'm trying to understand, how sessions work. With help of documentation of express session and Sessions in Node JS I got it work. Now I'm figuring out, what to do, that users can log out. In the documentation of express session…
listener
  • 47
  • 7
0
votes
1 answer

How to connect to parse server backend from back4app.com for Qt android app

I am trying to develop an Android application with Qt 5.13. I am planning to use a parse-server for my backend. I am using a free plan from back4app. I followed the official tutorial here But I am not sure how to import the android SDK into my Qt…