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Welcome to B4X forum!
B4X is a set of simple and powerful cross platform RAD tools:
B4A
(free) - Android development
B4J
(free) - Desktop and Server development
B4i
- iOS development
B4R
(free) - Arduino, ESP8266 and ESP32 development
All developers, with any skill level, are welcome to
join the B4X community
.
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Latest activity
What's new
New Posts
New profile posts
Latest activity
Sergio Castellari
posted the thread
Android Question
How to resolve this ADB error
in
Android Questions
.
During my last reinstallation of B4A (after several years of disuse), I followed all the steps in the installation tutorial, but...
Feb 28, 2026
LucasHeer
reacted to
Sergio Castellari's post
in the thread
Android Question
Re-Iniciando con B4X despues de 3 años
with
Like
.
Hi @LucasHeer, I already tried that. I configured Developer Mode and enabled USB debugging... but nothing changed, it's still the same...
Feb 28, 2026
Sergio Castellari
replied to the thread
Java Question
First mistake when recompiling an old project
.
Hi @josejad It seems that "that" library no longer exists or has been replaced. However, since I don't plan to use email sending now, I...
Feb 28, 2026
Xfood
reacted to
LucaMs's post
in the thread
Tool
[B4X] JsonLayouts - synchronize json and binary layouts
with
Like
.
Erel, a few days ago I created a class to which I pass a .json file generated by your tool. It creates a CSV string (and save it if you...
Feb 28, 2026
josejad
replied to the thread
Java Question
First mistake when recompiling an old project
.
Do you have the net library checked in the libraries tab?
Feb 28, 2026
aeric
replied to the thread
iOS Question
Cannot create a csr file and need a mobile provisioning file.
.
Yes, it is possible.
Feb 28, 2026
Sergio Castellari
replied to the thread
Java Question
First mistake when recompiling an old project
.
This is where I'm getting the error; obviously, I'm missing something or something has changed with the "LIB Net" library. It's for...
Feb 28, 2026
aeric
replied to the thread
iOS Question
Connect failure
.
You mean MacBook? B4iBuilder is not working on laptop running Windows. Unless you are saying it's a hackintoch or virtual machine.
Feb 28, 2026
mcqueccu
reacted to
LucaMs's post
in the thread
Tool
[B4X] JsonLayouts - synchronize json and binary layouts
with
Like
.
Erel, a few days ago I created a class to which I pass a .json file generated by your tool. It creates a CSV string (and save it if you...
Feb 28, 2026
aeric
replied to the thread
Wish
Stop IDE from compiling if no device detected
.
You can use B4ABuilder https://www.b4x.com/android/forum/threads/b4abuilder-b4jbuilder-command-line-compilation.50154/
Feb 28, 2026
Sergio Castellari
replied to the thread
Java Question
First mistake when recompiling an old project
.
Hi @teddybear I have the route, but I think something is outdated from the last time I compiled. I'm using several additional...
Feb 28, 2026
LucaMs
replied to the thread
Tool
[B4X] JsonLayouts - synchronize json and binary layouts
.
Erel, a few days ago I created a class to which I pass a .json file generated by your tool. It creates a CSV string (and save it if you...
Feb 28, 2026
LucaMs
reacted to
Erel's post
in the thread
Tool
[B4X] JsonLayouts - synchronize json and binary layouts
with
Like
.
The purpose of this tool is to automatically generate json layout files, and synchronize them as they are updated. This can be useful...
Feb 28, 2026
stevel05
reacted to
Peter Simpson's post
in the thread
B4J Library
Enhanced EXIF metadata information viewer
with
Like
.
Hello everyone, ReadEXIFData is a B4J library for extracting image metadata. It is designed to give B4J developers a straightforward way...
Feb 28, 2026
T
Tom2525
replied to the thread
iOS Question
Connect failure
.
10. Just downloaded it yesterday.
Feb 28, 2026
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