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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
Lello1964
reacted to
Star-Dust's post
in the thread
B4A Library
[B4X] SD_Diagram
with
Like
.
Release ver. 1.02 Added gradients and shadow on PieDiagram in the layout options
Mar 31, 2026
Star-Dust
replied to the thread
B4A Library
[B4X] SD_Diagram
.
Release ver. 1.02 Added gradients and shadow on PieDiagram in the layout options
Mar 31, 2026
M
Maxjonz
posted the thread
Android Question
java.lang.RuntimeException: Object should first be initialized (B4XView).
in
Android Questions
.
Hi As a newbie to BxA I entered the example program as instructed and compiled it. However I keep getting the error message...
Mar 31, 2026
Mashiane
reacted to
William Lancee's post
in the thread
B4J Library
[B4X][ListOfArrays] wLOAExtras.b4xlib for Evaluating Expressions of Columns in ListOfArrays - and More
with
Like
.
The wLOAExtras library has two classes: wLOAEval: class modeled after...
Mar 31, 2026
P
polo
replied to the thread
Android Question
lib CustomTabs
.
Pas uniquement pour Chrome
Mar 31, 2026
P
polo
posted the thread
French
CustomTabs
in
French Forum
.
Comment trouver la lib CustomTabs ?
Mar 31, 2026
William Lancee
posted the thread
B4J Library
[B4X][ListOfArrays] wLOAExtras.b4xlib for Evaluating Expressions of Columns in ListOfArrays - and More
in
B4J Libraries & Classes
.
The wLOAExtras library has two classes: wLOAEval: class modeled after...
Mar 31, 2026
P
polo
posted the thread
Android Question
lib CustomTabs
in
Android Questions
.
Comment trouver la lib CustomTabs ?
Mar 31, 2026
ViMeAv ICT
posted the thread
Android Question
Broadcast receiver works no more after update
in
Android Questions
.
I use a broadcastreceiver for getting the result by intent, from a barcode scanner. The old "apk" still works fine, but after compiling...
Mar 31, 2026
Sagenut
replied to the thread
Android Question
App has Stopped on Android
.
In this moment the required TargetSDK is 35 as required from Google. If you have updated B4A from an older version be sure to redownload...
Mar 31, 2026
ViMeAv ICT
replied to the thread
Android Question
Linker error after update to newest B4a version
.
I did not had android-36 platform, it's working again, thanks
Mar 31, 2026
Sagenut
reacted to
DonManfred's post
in the thread
Android Question
Linker error after update to newest B4a version
with
100%
.
With the newest B4A you also need a new SDK. Did you updated both? Follow the installationsinstructions carefully...
Mar 31, 2026
Sagenut
replied to the thread
Android Question
Linker error after update to newest B4a version
.
Do a completely new B4A installation like it was the first time. Follow all the steps and download all the needed files from the guide...
Mar 31, 2026
N
noega33
replied to the thread
iOS Question
Local Builder MacOS Ventura 13.7.8
.
Ok clear Thank you
Mar 31, 2026
T
Toley
reacted to
Scantech's post
in the thread
Share My Creation
B4J PIC Bootloader Uploader
with
Like
.
PIC Microcontroller Projects & B4J Uploader Firmware Repository This repository contains a collection of firmware projects for various...
Mar 31, 2026
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