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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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P
PoppaBart
reacted to
Erel's post
in the thread
B4A Library
[B4X][LOA] ListOfArrays - lightweight, powerful and flexible collection
with
Like
.
Example of using LOA to manage UI elements. A table with buttons and properties is created: ButtonsTable =...
Mar 9, 2026
Star-Dust
replied to the thread
Italian
gestione rimborso spese
.
Bravo. Mi fa piacere che metti a frutto quello che hai imparato con un tuo progetto
Mar 9, 2026
Xfood
replied to the thread
Italian
gestione rimborso spese
.
finalmente ho deciso di completare questa mia nuova sfida, che ho fatto non in B4x ma in Php Html responsive, ecco i miei screen
Mar 9, 2026
klaus
replied to the thread
B4A Class
[B4x] xFFT Class and b4xlib
.
It seems that on this device: Logarithm(8192, 2) Returns 12.99999 instead of 13. What is freal ?
Mar 9, 2026
Filippo
replied to the thread
Android Question
Query and use a class variable in Designer?
.
It works! :) My mistake was that I called the “SetStatusBarHeight” procedure from Designer in the fsTootlBar class, but you should call...
Mar 9, 2026
klaus
replied to the thread
B4A Class
[B4x] xFFT Class and b4xlib
.
What is the value of N ?
Mar 9, 2026
drponciano
replied to the thread
B4A Class
[B4x] xFFT Class and b4xlib
.
Not really. This is your original code: Public Sub Forward(Real() As Double) As Double() Private i As Int Private ld As Double...
Mar 9, 2026
Filippo
replied to the thread
Android Question
Query and use a class variable in Designer?
.
Thank you very much for your efforts, but unfortunately that doesn't work either. The variable “pnlToolBar.Height” is not modified in...
Mar 9, 2026
Filippo
reacted to
Chris2's post
in the thread
Android Question
Query and use a class variable in Designer?
with
Like
.
Fair enough. Maybe someone else who has more experience with using Designer Scripts in B4A can step in and help better than I can, or...
Mar 9, 2026
scsjc
reacted to
Erel's post
in the thread
B4A Library
[B4X][LOA] ListOfArrays - lightweight, powerful and flexible collection
with
Like
.
Example of using LOA to manage UI elements. A table with buttons and properties is created: ButtonsTable =...
Mar 9, 2026
scsjc
reacted to
Erel's post
in the thread
B4A Library
[B4X][LOA] ListOfArrays - lightweight, powerful and flexible collection
with
Like
.
First example: Dim table As ListOfArrays = LOAUtils.CreateEmpty((Array("Animal type", "Name", "Age", "Weight")))...
Mar 9, 2026
scsjc
reacted to
Erel's post
in the thread
B4A Library
[B4X][LOA] ListOfArrays - lightweight, powerful and flexible collection
with
Love
.
ListOfArrays (LOA) is a simple list where each item is an array of objects, and each array represents a row. As LOA stores tabular data...
Mar 9, 2026
klaus
replied to the thread
B4A Class
[B4x] xFFT Class and b4xlib
.
I suspect that in your case the problem are Floats instead of Double.
Mar 9, 2026
A
amarnath
reacted to
XorAndOr's post
in the thread
B4R Tutorial
Home Control 4
with
Like
.
Hi everyone, for my home automation I updated the desktop app pc windows and Tablet Android 10" to use the ESP8266 and the 4 relays...
Mar 9, 2026
drponciano
replied to the thread
B4A Class
[B4x] xFFT Class and b4xlib
.
Hello @klaus . I found a strange error with xFFT. I've been using it without problems until friday. My program uses it to make a high...
Mar 9, 2026
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