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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
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1 answer

Deploy Telegram Bot (Pyrogram) on Back4App

I just found Back4App free tier to test my lightweight apps, want to deploy a Telegram bot written with Pyrogram but didn't find any guide on the website for Python app deployment. How can I deploy my app? It doesn't have a database and has only two…
Ali Abdi
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How to route URLS for a Back4App single page app?

I just launched my first working Back4App application. This application is a React app with the React Router. To make it work, I did a npm run build and uploaded all the files under the 'public' folder (found at Cloud Code). Now everything is in…
Jacob van Lingen
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Parse.Cloud.httpRequest returns 'undefined' instead of a response using POST method

I'm making a Parse.Cloud.httpRequest using the POST method to retrieve a token from an API in a Back4App Cloud Code Function called 'retrieveToken'. Parse.Cloud.define("retrieveToken", async(request) => { Parse.Cloud.httpRequest({ method:…
Phoebe Tsui
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1 answer

Parse - NSNull null analog in Swift

How to convert this objective c code to Swift: PFQuery *query = [PFQuery queryWithClassName:@"Review"]; [query whereKey:@"comment" notEqualTo:[NSNull null]]; when I simple put: query.whereKey("comment", notEqualTo: nil) Xcode throw build…
Matrosov Oleksandr
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2 answers

Pass the username and password in URL parameters (Dart & Flutter)

I have a flutter app and I'm using back4app.com and Parse RESTful api to register my users, I have read their docs about logging in users but I dont know how to pass my username and password in URL parameters as JSON encoded : I tried this…
Behnam
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1 answer

Parse Server - select a few fields from included object

Is it possible to use .select(JS) / selectKeys(Android) ONLY on the object which is retrieved via .include()? For example, Class A has a pointer to class B. When I query for Class A, I want all the contents of Class A and only a few selected fields…
Tanzim Chowdhury
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1 answer

Parse AfterSave trigger going in a loop

I am having trouble with my aftersave handler. So when a new user logs in, it checks to see of both tProfile and sProfile fields are empty, if so it saves saves an acl for the user and then sends an email to the user using nodemailer nmp package.…
Tanzim Chowdhury
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1 answer

How to get the sessionToken for currentUser?

I work on a web app hosted on heroku. As database I try to use back4app. With help of the back4app documention I have realized the log in. Since two days I try to get the session to work with it. Therefore I have read a lot of blogs, articels and of…
listener
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1 answer

How do I upload an image to Parse Server using Kotlin/Jvm via Rest Service?

I'm creating a Kotlin/Jvm (without Android Sdk) application that interacts with a instance of a Parse Server (Back4App). Unfortunately, parse doesn't provide a Sdk implementation to use with Java/Kotlin without Android. So I'm using the rest Api.…
alexpfx
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1 answer

How to deploy React app (create-react-app) to Back4App?

I've created an React app with create-react-app and I want to deploy it to Back4App. The problem is I want to deploy the build folder and not the public folder (which I understand is the default for Back4App / ParsePlatform). So far, I haven't…
marco alves
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1 answer

Gradle dependency issue with com.squareup.okhttp3 library

I am integrating Back4App into my app and am following the android tutorials step by step and am now in the live-query portion of the tutorial and encountered an issue with duplicate okhttp3 libraries. I am able to build the project successfully,…
Alyosha_Karamazov
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1 answer

Unable to delete an object Parse Server

Everything is working fine untill I decide to delete something, my hosting is back4app.com. I verified the security restrictions of my Database so it's ok I can write, read also delete objects, but when I try to delete an object by using…
Simple
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1 answer

How to store images for mobile development

I decided to use back4app for easily creating my backend and for having a built in hosting solution. I'm quite a newbie with this tool so my question will seem "simple": I was wondering how will I store the images of my mobile application. As far as…
Adrien G
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1 answer

Cannot use removeObjectForKey in Parse (using Back4App on Objc)

I'm using Back4App's service to host Parse server and I can't seem to successfully remove a field from a row. The field in question is a pointer to another object, and calling removeObjectForKey followed by a save does not work. Other updates work…
theDuncs
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1 answer

How can I connect to a hosted Parse-Server over Parse4J?

I would like to be able to use the Parse4J library (https://github.com/thiagolocatelli/parse4j/) to connect to a hosted Parse-Server. I want to use https://parseapi.back4app.com as an API endpoint. They provide a solid Parse hosting…
Martin Erlic
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