b4x

  1. fbritop

    Android Question [SOLVED] B4X Intent based camera

    I discovered today that when I use the Intent Camera on B4A the previous page "B4XPage_Appear" does not execute, not sure if it has something to do with the Bug that was discovered on iOS? From page A, I navigate to a Page B, which takes the picture, this page shows the image to the user. Then...
  2. Patent

    which License for deploying?

    Dear community, under which License do you deploy a piece of B4X (and so Java) code, assuming the following: -your Source is written in B4X -and so using (shipping with) OpenJDK11 or just the JRE, which is under GNU GPL -no further 3rd Party libs ? I want give it for free, free to copy and...
  3. Mark Turney

    Web3x (blockchain) Video Series Poll

    Who would like a few video tutorials on how to use the new Web3x library (as I learn each part)? I have been immersing myself in this technology and find it a potentially game changing tool. I completed the Blockchain Specialization from University of Buffalo (SUNY) via Coursera, so I have...
  4. Star-Dust

    B4A Library [B4X] SD CustomKeyboard

    THIS version is no longer updated and supported. You can continue to use it if you want. Or try the new version with rewritten methods and new features IMPORTANT depends on SD CreativeBackGround (0.06+) library which must be downloaded MaterialIcon font for special characters must be loaded...
  5. Z

    Bug? Connect to server with protocole UDP

    Hello, when I call my server with my library, it works only in Debug mode but crashes in Release mode. And i added permission in manifest: AddPermission(android.permission.INTERNET) The problem is on all my phones, they are with the following android version: 8.0, 9.0 and 11.0. It’s a huawei...
  6. C

    Android Question Class instance was not initialized (b4xpagesdelegator) on resume

    Hello! I need some help, I don't know what is causing this error to appear. Didn't make any big changes to it and now the app dont even open Registro conectado a: Xiaomi Redmi Note 7 --------- beginning of system --------- beginning of main *** Service (starter) Create *** ** Service (starter)...
  7. Kevin Hartin

    iOS Question WebView Formatting

    My app uses webviews to display lightly formatted HTML syncronised from a web server for things like help pages etc. In B4a I use the WebViewSettings library to reduce the text to a reasonable size, as when I add the <meta name='viewport' content='initial-scale=1.0' /> header, it displays very...
  8. epiCode

    [Poll] What do you wish for?

    1. This is not an official survey 2. This is not even a guarantee of any sort that any of the features will make it to B4X 3. This is general chit chat to know what fellow developers "wish" for and its priority 4. Votes are anonymous
  9. Col

    Android Example Find a missing value using Approximation & Guesswork (Goal Seek)

    I have written a few Financial Calculators over the past couple of weeks, and one approach I've found extremely useful is Approximation and Guesswork. So I figured, why not share the approach with the forum, A) to hopefully inform and B) to see if anyone else has any other intriguing...
  10. Star-Dust

    B4J Library [B4X] [XUI] [B4XLib] SD_ShopListView

    This new view allows you to have an ordered and distributed list of images (left) and their name, description and info (right) Or you can view the images in grid (if the screen size allows it, otherwise in column) where there will be related images with the name just below There is an add button...
  11. _mandy

    Android Question B4XPages ShowPageAndRemovePreviousPages

    Hello, first post in any forums. So basically I have a global variable of sql on B4XMainPage class, my idea is that once the application opens, the sql database is loaded in public and can be called by different classes upon their initialization. This is so I could prevent it from locking...
  12. W

    B4A Class wmKODI - control KODI (formerly XBMC) from B4X [B4X][Class]

    Posted in the B4J forum at https://www.b4x.com/android/forum/threads/wmkodi-control-kodi-formerly-xbmc-from-b4x-b4x-class.135867/
  13. W

    B4J Library wmKODI - control KODI (formerly XBMC) from B4X [B4X][Class]

    The title says it all. The API v10 info on which this class is based can be found at https://kodi.wiki/view/JSON-RPC_API/v10. Public methods: - Initialize: Initializes the object - Application_GetOneProperty: Retrieves the value of the given property. - Application_GetProperties: Retrieves the...
  14. D

    Android Question B4xpagesmanager error

    Hello! I'm getting this error informed on firebase crashlytics, i can't reproduce it, so I don't know how to fix it or where's the problem. Fatal Exception: java.lang.NullPointerException: Attempt to read from field 'java.lang.Object com.empresa.appname.b4xpagesmanager$_b4xpageinfo.B4XPage'...
  15. Hassan abdulbaqi

    Android Question Sending App to friend

    Hi im vb.net Devolper and im new to b4a i want to send my App(Debug) to a friend phone how i can do that? like for example in vb.net there is a file called Debug and you can send it to someone but i dont know how to send an app to another android device without the phone being plugged. Thanks...
  16. Hassan abdulbaqi

    Android Question News Feed

    Does Anyone Know How i can Make News Feed in B4A like in Facebook for Example...Other People online can post stuff...Thanks In Advance
  17. M

    Android Question [B4XPages][B4X] Barcode QrCode Reader not working

    Hi everyone i followed this tutorial https://www.b4x.com/android/forum/threads/b4x-b4xpages-barcode-reader.120417/#content. I've two Android phone. 1. Honor 8A (Android 9) 2. Meizu 5c (Android 6) On the first everything works ok, on the second the detector for the codes is not creating...
  18. B

    Android Question okHttpUtils2: can't download an image

    Hi everyone, i create a serve on InfinityFree just to host some pic that i need do download and show in a image view. The webserver has a certificate (a free one that offer the site) and has the TLS Protocol active (1.1,1.2 n 1.3) When i try to download the job, the complete event doesn't...
  19. W

    Android Tutorial [B4X] Using/running B4A and/or B4J on 64 bit Linux Mint 20.2 Cinnamon with 64 bit Wine

    The solution for both B4A and B4J has been posted at https://www.b4x.com/android/forum/threads/b4x-using-running-b4a-and-or-b4j-on-64-bit-linux-mint-20-2-cinnamon-with-64-bit-wine.134069/
  20. W

    B4J Tutorial [B4X] Using/running B4A and/or B4J on 64 bit Linux Mint 20.2 Cinnamon with 64 bit Wine

    *** Contents *** Intro Acknowledgements Disclaimer Environment Conventions used in this post Making it work Compiling and running your programs A semi-automated way to get your B4J UI programs ready Android SDK Manager Useful tips *** Intro *** Ever since the arrival of Windows 10 and all its...
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