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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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Erel
posted the thread
B4A Library
[B4X][LOA] ListOfArrays - lightweight, powerful and flexible collection
in
Additional libraries, classes and official updates
.
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
Filippo
replied to the thread
Android Question
Query and use a class variable in Designer?
.
I don't think the designer script is the solution to my problem. I need to continue editing the new panel-height in Designer, and it...
Mar 9, 2026
aeric
replied to the thread
B4J Library
[B4X][Web] MiniHtml v2
.
Version: 2.01 What's New Bug fixed in cdn3 sub
Mar 9, 2026
xulihang
reacted to
besoft's post
in the thread
Other
Small audio controls
with
Like
.
Hello everyone... since I didn't know exactly where to put this... I decided to just leave it as it is. The project is not yet complete...
Mar 9, 2026
Filippo
replied to the thread
Android Question
Query and use a class variable in Designer?
.
Now I understand that there should be no parameters in “Initialize” in the class. Now there are no errors, but the height of the...
Mar 9, 2026
D
Didier99
replied to the thread
B4J Question
sorting tableviews by clicking on header
.
Thank you, I will try that! Running your demo, it does most of what I need (I need to be able to return to the initial order when the...
Mar 9, 2026
D
Didier99
reacted to
walt61's post
in the thread
B4J Question
sorting tableviews by clicking on header
with
Like
.
Hi @Didier99 , attached you'll find an example project that handles sorting TableView columns that contain labels (it's DIY-sorting 🙂).
Mar 9, 2026
Filippo
replied to the thread
Android Question
Query and use a class variable in Designer?
.
If I don't use this line, I get this error when compiling:
Mar 9, 2026
Filippo
replied to the thread
Android Question
Query and use a class variable in Designer?
.
I am receiving this error: Designer-script: If ActivitySize > 6.5 Then pnlToolBar.Height = 64dip Else If Portrait Then...
Mar 9, 2026
Lucas Siqueira
reacted to
josejad's post
in the thread
Share My Creation
Complete Source Code: Checkers Game in B4XPages [Source Code Sale]
with
Like
.
Hi Lucas: Buyed to learn¡¡¡ Thanks for sharing
Mar 9, 2026
Lucas Siqueira
reacted to
Xfood's post
in the thread
Share My Creation
Complete Source Code: Checkers Game in B4XPages [Source Code Sale]
with
Like
.
$1.10 in taxes??
Mar 9, 2026
Lucas Siqueira
reacted to
pixet's post
in the thread
Share My Creation
Complete Source Code: Checkers Game in B4XPages [Source Code Sale]
with
Like
.
Hi Lucas, Thanks for sharing.
Mar 9, 2026
Filippo
replied to the thread
Android Question
Query and use a class variable in Designer?
.
That's what I thought, but I don't know how it would work; the whole thing doesn't look very intuitive.
Mar 9, 2026
MarcoRome
reacted to
Erel's post
in the thread
Android Code Snippet
[B4X] Throw errors / exceptions
with
Like
.
Cross platform code to raise exceptions. Mostly Useful for libraries development. Private Sub ThrowError(Message As String)...
Mar 9, 2026
Filippo
posted the thread
Android Question
Query and use a class variable in Designer?
in
Android Questions
.
Hi, how can I query and use a variable from a class in Designer? Is that even possible? If so, how? Specifically, it concerns this...
Mar 9, 2026
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