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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
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Latest activity
E
emexes
reacted to
teddybear's post
in the thread
Java Question
First mistake when recompiling an old project
with
Thank you
.
It's obvious that you are missing the library net reference. Check the paths configuration, is the additional libraries correct?
Feb 28, 2026
teddybear
replied to the thread
Java Question
First mistake when recompiling an old project
.
It's obvious that you are missing the library net reference. Check the paths configuration, is the additional libraries correct?
Feb 28, 2026
Sergio Castellari
posted the thread
Java Question
First mistake when recompiling an old project
in
Libraries developers questions
.
Hello, When trying to recompile a previous project with the newly installed version, I get the following error: B4A Version: 13.40...
Feb 28, 2026
Elric
reacted to
LucaMs's post
in the thread
B4A Library
[B4X][B4Xlib] B4XClipboard
with
Love
.
As the name says, crossplatform (B4A, B4J, B4i) clipboard. For B4A I used the code from @hatzisn's class and I thank him for sharing...
Feb 28, 2026
Sergio Castellari
reacted to
LucasHeer's post
in the thread
Android Question
Re-Iniciando con B4X despues de 3 años
with
Like
.
Hey! I do not debug over WIFI, I debug 100% over USB using B4A Bridge. This has way less issues for me, and seems faster (Also makes it...
Feb 28, 2026
Sergio Castellari
replied to the thread
Android Question
Re-Iniciando con B4X despues de 3 años
.
Hi @TILogistic, The pleasure is all mine! It's so great to hear from you! You've helped me so many times! (And you have a great...
Feb 28, 2026
Sergio Castellari
reacted to
TILogistic's post
in the thread
Android Question
Re-Iniciando con B4X despues de 3 años
with
Like
.
The teacher is back in the B4X classrooms!!! Welcome my friend and neighbor
Feb 28, 2026
Sergio Castellari
replied to the thread
Android Question
Re-Iniciando con B4X despues de 3 años
.
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
A
alyami
posted the thread
Wish
Stop IDE from compiling if no device detected
in
B4R Bugs & Wishlist
.
Hi, I wish to see an option in IDE to stop compiling code if no device detected, its very time wasting when you wait for compiling to...
Feb 28, 2026
Star-Dust
reacted to
Peter Simpson's post
in the thread
Android Question
Matter protocol support bor B4X
with
Like
.
Hello @giggetto71 Update: I have been out all day with the family, but something was on my mind that I read this morning whilst trying...
Feb 28, 2026
giggetto71
replied to the thread
Android Question
Matter protocol support bor B4X
.
sorry for not replying earlier..I just did not have time as I am fighting with implementing multilanguage for one of my apps and I think...
Feb 28, 2026
giggetto71
reacted to
Peter Simpson's post
in the thread
Android Question
Matter protocol support bor B4X
with
Like
.
Hello @giggetto71 Update: I have been out all day with the family, but something was on my mind that I read this morning whilst trying...
Feb 28, 2026
giggetto71
reacted to
Peter Simpson's post
in the thread
Android Question
Matter protocol support bor B4X
with
Like
.
Hello @giggetto71 Try this library, you will need a real Matter QR payload key. You will have to test this library and example, I do...
Feb 28, 2026
TheFalcon
replied to the thread
Spanish
[SOLUCIONADO] SQL, me borra cosa rara
.
chej lo acabo de probar y me da el mismo error mDATOS.Initialize( mPath, Base_de_Datos, False)...
Feb 28, 2026
TheFalcon
replied to the thread
Spanish
[SOLUCIONADO] SQL, me borra cosa rara
.
Lo pruebo ahora mismo y te digo, gracias
Feb 28, 2026
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