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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
zed
posted the thread
Share My Creation
CHIP-8 emulator (classic version)
in
B4J Share Your Creations
.
Hi everyone, Today I'm sharing my CHIP-8 emulator, developed entirely in B4J. The goal was to create a faithful, simple implementation...
Jan 23, 2026
aeric
replied to the thread
Android Question
Last release of B4A compatibility with older release ?
.
Yes, B4A is still B4A :) Just some changes in new version of Android. If you face issue that the app is not working correctly after...
Jan 23, 2026
D
DOM85
replied to the thread
Android Question
Last release of B4A compatibility with older release ?
.
Thank you but i still don't know if B4A V13.80 will allow me to maintain my old apps made in V12.80.
Jan 23, 2026
aeric
replied to the thread
Android Question
Last release of B4A compatibility with older release ?
.
Carefully follow the installation instructions and everything will work: https://www.b4x.com/b4a.html The new instructions require...
Jan 23, 2026
D
DOM85
replied to the thread
Android Question
Last release of B4A compatibility with older release ?
.
No, i don't need. But now i have to compile an app that uses Google admob, and i have an error "Maven artifact not found...
Jan 23, 2026
aeric
replied to the thread
Android Question
Last release of B4A compatibility with older release ?
.
Are you apps target latest versions of Android?
Jan 23, 2026
D
DOM85
posted the thread
Android Question
Last release of B4A compatibility with older release ?
in
Android Questions
.
Hello, All my apps are in B4A V12.80. If i install the new last release of B4A (13...), will my apps coded in 12.80 still be able to be...
Jan 23, 2026
aeric
replied to the thread
Wish
Designer - CTRL-A Select all views
.
Maybe I don't understand what you mean. If you copy or move the panel, the children views will follow.
Jan 23, 2026
N
Nitin Joshi
posted the thread
iOS Question
Panels transparent background behavior change in B4i V10
in
iOS Questions
.
In my project, there are buttons spread across the screen. One strip of panel (pnlScrollLbl) is in the middle of the screen. Scrolling...
Jan 23, 2026
LucaMs
posted the thread
Wish
Designer - CTRL-A Select all views
in
Bugs & wishlist
.
Pressing Ctrl+A doesn't select all views. For example, if I have a Panel containing several views, pressing those keys while focusing...
Jan 23, 2026
P
peternmb
replied to the thread
German
Update der App
.
Klappt prima, das einzige was nicht hinhaut: nach der erfolgreichen Installation der App wird gefragt "FERTIG oder "ÖFFNEN". Auch wenn...
Jan 23, 2026
P
peternmb
posted the thread
German
Rechnen mit Datum
in
German Forum
.
Hallo, bei der Updateprüfung in meiner App möchte ich dem Nutzer die Möglichkeit für 7 Tage Pause geben. Ich speichere dafür eine...
Jan 23, 2026
aeric
reacted to
Chris2's post
in the thread
Android Question
Best Connection with SQL Server 2022 Express?
with
Like
.
You seem to be mixing up various different settings here. ... but you have ? What address is your SQL Server? You also have the port...
Jan 23, 2026
aeric
reacted to
amarnath's post
in the thread
B4J Question
Need Help Deploying B4J (jRDC2) on Ubuntu VPS – Not Starting Properly
with
Like
.
I’ve tried four different debit cards, but I’m still having the same issue. I’ll try again on Monday since banks are closed on Saturdays...
Jan 23, 2026
A
amarnath
replied to the thread
B4J Question
Need Help Deploying B4J (jRDC2) on Ubuntu VPS – Not Starting Properly
.
I’ve tried four different debit cards, but I’m still having the same issue. I’ll try again on Monday since banks are closed on Saturdays...
Jan 23, 2026
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