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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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W
Wosl
posted the thread
Android Question
Exception with OkHttpUtils2
in
Android Questions
.
Dear All! I need some guidance ... What I want to do: geocoding of a given postal address which results in details like GPS...
Apr 12, 2026
T
thetrueman
reacted to
Erel's post
in the thread
B4R Library
AString for B4R : arduino String for B4R
with
Like
.
Yes. I'm not sure about threading but B4R will be updated.
Apr 12, 2026
scsjc
reacted to
Serge Nova's post
in the thread
Share My Creation
Showcasing a High-Frequency Trading (HFT) Arbitrage Bot developed with B4J
with
Like
.
Hello everyone, After more than a year of silence, I am returning with my most advanced project since I started as a Developer and...
Apr 12, 2026
knutf
replied to the thread
Android Question
Socket is null inside Connected event (Successful = True) — what can cause this?
.
What do you mean about "The socket should be initialized inside the event."? That could be the case. I'll walk throug my code....
Apr 12, 2026
Filippo
posted the thread
iOS Question
RequestMtu
in
iOS Questions
.
Hi, This BLE feature(RequestMtu) is available in Android, but not in B4i. How can I implement this feature in B4i? Thank you very much...
Apr 12, 2026
josejad
reacted to
Serge Nova's post
in the thread
Share My Creation
Showcasing a High-Frequency Trading (HFT) Arbitrage Bot developed with B4J
with
Wow
.
Hello everyone, After more than a year of silence, I am returning with my most advanced project since I started as a Developer and...
Apr 12, 2026
Serge Nova
replied to the thread
Share My Creation
Showcasing a High-Frequency Trading (HFT) Arbitrage Bot developed with B4J
.
https://www.dropbox.com/scl/fi/76hqy1tfoa6hvp717n1we/Arkadias-Test-Jar.rar?rlkey=3xo3ry0r19myjk509quakc6ny&st=kn489bil&dl=0 Nowadays...
Apr 12, 2026
angel_
reacted to
Serge Nova's post
in the thread
Share My Creation
Showcasing a High-Frequency Trading (HFT) Arbitrage Bot developed with B4J
with
Like
.
Hello everyone, After more than a year of silence, I am returning with my most advanced project since I started as a Developer and...
Apr 12, 2026
Mashiane
replied to the thread
Share My Creation
Showcasing a High-Frequency Trading (HFT) Arbitrage Bot developed with B4J
.
Seems amazing, never done trading in forever, would be something else to check this out..
Apr 12, 2026
Mashiane
reacted to
Serge Nova's post
in the thread
Share My Creation
Showcasing a High-Frequency Trading (HFT) Arbitrage Bot developed with B4J
with
Like
.
Hello everyone, After more than a year of silence, I am returning with my most advanced project since I started as a Developer and...
Apr 12, 2026
Swissmade
reacted to
Erel's post
in the thread
B4J Question
buffer.Length vs Blob
with
Like
.
A Null field returns Null, not a zero length array. 1. Better to remove the Try / Catch block. 2. If Initialized(Buffer) And...
Apr 12, 2026
fungms
reacted to
Hamied Abou Hulaikah's post
in the thread
Android Example
Self sms Verification
with
Like
.
This simple example illustrate how to verify user phone number using self sms. The example send sms from user phone to his/her phone. No...
Apr 12, 2026
klaus
reacted to
Erel's post
in the thread
B4R Library
AString for B4R : arduino String for B4R
with
Like
.
Yes. I'm not sure about threading but B4R will be updated.
Apr 12, 2026
Cableguy
reacted to
Erel's post
in the thread
B4R Library
AString for B4R : arduino String for B4R
with
Love
.
Yes. I'm not sure about threading but B4R will be updated.
Apr 12, 2026
Erel
replied to the thread
B4R Library
AString for B4R : arduino String for B4R
.
Yes. I'm not sure about threading but B4R will be updated.
Apr 12, 2026
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