1. aeric

    Share My Creation JQuiz - API Server for B4XQuiz

    This is the full source code for B4XQuiz server. SQL script to generate database in post #2 For B4XQuiz client app, please check: https://www.b4x.com/android/forum/threads/b4jquiz-desktop-app.124202/ Update It is now easier to create Web API Server using B4X Template Check...
  2. aeric

    B4J Tutorial [Server] Using Let's Encrypt on Ubuntu VPS

    #1 How to: Install Let's Encrypt on Ubuntu Linux VPS to Create SSL Certificates Downloading and Installing Let's Encrypt 1. Update the server's packages apt-get update & sudo apt-get upgrade 2. Install the GIT package apt-get install git 3. Download a clone of Let's Encrypt from the GitHub...
  3. cklester

    B4J Question Using An External Java Library with B4J

    I did a search for "use external java library," but didn't seem to find relevant links. I'm sure there's some documentation out there! Maybe I should search the Booklets. I will! But first: What would I need to do to utilize the XChange Java Library in my B4J project?
  4. Lucas Siqueira


    Hi, my name is Lucas Siqueira šŸ‡§šŸ‡· ! I am very happy šŸ˜ to share with you the designer at B4XPAGES. This code queries currency quotes using the free https://exchangerate.host/ api. I also implemented a designer with progress while the app makes the http request to get the data via json and...
  5. Soroush68

    Android Question Problem in running final apk on mobile

    Hi every body I have recently started programing with b4a. I have a problem at first. I cannot run final android app on my mobile. I copy the apk file from project folder on my computer to my mobile. But when i try to install and run it, I get a security warning! When trying to run the app, I...
  6. carlos7000

    Android Question Autenticacion Https API [solved]

    Hi. I am trying to create a simple application that allows me to interact with Poloniex Https server. To do this I must use your Api. Try to run the returnBalances command, to know my balances. The code I used was this: Private Sub returnBalances Dim command As String command =...

    Android Question aes encryption with key and iv => decryption server side

    Hello, After looking for some days the right way to decrypt and check via my API (in ASP vbscript) from a remote server, a string sent by poststring from my APP and encrypted with AES 128bits with key and iv specific , I can share my result with you : App Side Sub : Sub...

    Android Question Checking AES encryption server side

    Hello, I need to check , server side an AES encryption for my own api create with asp. the string in encrypted with B4XCipher and has been sent with poststring, the recept is ok but server side, i have trying to use rijndael library functions but I can not decipher correctly found there ...
  9. D

    Android Question Instagram unofficial api

    Is there any way to use instagram private api in b4a? Like this library in python: https://github.com/LevPasha/Instagram-API-python
  10. F

    Android Question Google Cloud Storage upload

    Hello all, What I'd like to accomplish is to simply upload a file (zip) to a bucket that I've already created on Google Cloud Storage. REST API URI is given as: https://www.googleapis.com/upload/storage/v1/b/[BUCKET_NAME]/o?uploadType=media&name=[OBJECT_NAME] I do understand that I need...
  11. N

    B4J Question Newbie Question: Creating a cross platform app

    Hi, I am new to B4X and am trying to build a desktop (Windows, Mac and Android), Apple (iPhone and iPad), Android (Phone and Tablet). I understand that I will need to create the UI in B4I, B4J and B4A but I will have lots of logic that needs to be shared between the different B4? products but...
  12. trejocode

    Android Question FOR (Loop) and Call a WebService | OkHttpUtils2

    Hello, I have a problem is that I do not understand at all how to "Block" an HTTP request because I use Wait For (Resumable). Look at the case: I select my items from my local database, and then I send the data to an API but they are not sent properly because, as it is a "non-blocking" event...
  13. Duque

    Spanish Api Payu

    Hola chicos... Estoy teniendo problemas para hacer una solicitud pos a la api de payu en su documentaciĆ³n piden que la peticiĆ³n se haga con esta configuraciĆ³n para recibir respuesta en JSON POST /payments-api/4.0/service.cgi HTTP/1.1 Host: sandbox.api.payulatam.com Content-Type...
  14. M

    Android Question Google Places

    Hi, i'm trying to work with Google Places API, i saw this thread: https://www.b4x.com/android/forum/threads/b4x-custom-view-google-place-autocomplete-view.81976/#content trying to understand how it works. I need to find businesses and points of interest, it's possible to do this in B4A with...
  15. mcqueccu

    B4A saves the day in 5 Minutes

    I went to a workshop on Integrating Telco API (Voice and SMS). After going through the API docs and figuring out the API and setting it up on my server with PHP in 25minutes, I was left with 5 minutes to work on the Interface. Whiles a lot of people were working with Web Frameworks, I decided to...
  16. Alexander Stolte

    B4J Question how to use bearer authentication on my own jServer

    Hey, I'm writing an API for my app and while analyzing other APIs I've noticed that many are doing the authentication with oauth. My question is how can i do a "bearer authentication" for my own jServer and is this free? Greetings
  17. L

    google domain verification questions

    Hi, I'm about to publish my first app that needs to use an API from google, so, as I've understood, I have to verify my domain to lift some API restrictions... right? I've never had a domain or a website. Also, I've read that, after the registration, Google will evaluate the domain in order to...
  18. jroriz

    B4J Question [SOLVED] Tesseract API - a $120 opotunity

    Hi. I have a budget of $ 120.00 for the first that can translate this http://tess4j.sourceforge.net/docs/docs-0.4/net/sourceforge/tess4j/Tesseract.html into a B4J (for windows) function like OCR(img as b4xbitmap) as string ' returns the text inside img I know it can be done with JNA, but i...
  19. FrostCodes

    B4J Library Cuppify - build Modern REST API's with ease

    A Professional B4J framework that allows you to build Modern REST API's with ease. You can download: HERE You can download JsonGenerator2 from here It is with the source code. You can upload your fixes or extra extensions to it and share and it would be merged if useful to the official...
  20. Multiverse app

    Wish SMS Retriever API

    Google is removing apps with SMS and CALL_LOG permissions In a recent email, they said: Can this be wrapped for B4A?