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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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Filippo
replied to the thread
Italian
Copiare un file presente in cartella Download
.
Out = File.OpenOutput(File.DirInternal, FileName_quello_che_vuoi, False)
Apr 27, 2026
Sabotto
reacted to
Filippo's post
in the thread
Italian
Copiare un file presente in cartella Download
with
Like
.
Non si può usare direttamente la funzione "copy", in questo caso si deve usare questa funzione: Dim Out As OutputStream...
Apr 27, 2026
Sabotto
replied to the thread
Italian
Copiare un file presente in cartella Download
.
Grazie Filippo. Funziona! Ti rubo un'ultima info: Nell'ultimo blocco (quello con OutputStream) se volessi cambiare il nome del file...
Apr 27, 2026
ilan
reacted to
andymc's post
in the thread
Share My Creation
The 500,000+ Downloads Club
with
Like
.
Invaders - a space invaders clone written using B4A + LibGDX library...
Apr 27, 2026
ilan
reacted to
Beja's post
in the thread
Android/Arduino small projects for (US -based engineer)
with
Like
.
All projects are new (from scratch). Fees paid in advance in full for those I worked with in the past. Interested and reside in the US...
Apr 27, 2026
ilan
replied to the thread
Android/Arduino small projects for (US -based engineer)
.
yeah i agree. why the limitation? btw i did some jobs in the past for Beja and it was always a pleasure!
Apr 27, 2026
ilan
reacted to
Cableguy's post
in the thread
Android/Arduino small projects for (US -based engineer)
with
Like
.
Ok, but... why? Technical reasons?
Apr 27, 2026
J
johnerikson
replied to the thread
B4J Question
SOLVED ABMaterial | Changes and extensions added to jpg images do not appear in the ABMaterial server app
.
EUREKA! Quite right! If the image is saved with the same name, the image's data is not read from the source during direct use...
Apr 27, 2026
C
candide
replied to the thread
B4R Library
rESPUI for esp32
.
please to have a look here : https://forum.arduino.cc/t/latest-esp-async-webserver-library-breaks-working-sketches/1366271/5 this issue...
Apr 27, 2026
Erel
replied to the thread
Android Question
(Linux Mint) Error when compiling a B4XPages project.
.
Comment the #CustomBuildAction line at the top of B4XMainPage: #Region Shared Files #CustomBuildAction: folders ready...
Apr 27, 2026
Celizte
posted the thread
Android Question
(Linux Mint) Error when compiling a B4XPages project.
in
Android Questions
.
Whenever I try to compile a B4XPages project I get the following error: B4A Version: 13.40 Parsing code. (0.07s) Java Version...
Apr 27, 2026
vecino
reacted to
Dr_JU's post
in the thread
Spanish
[NEWBY] Un roadmap 2026 B4X
with
Like
.
Buenas noches, me presento: Soy Jonathan, tengo 40, ciudad de Villa Mercedes, Provincia de San Luis, Argentina 🇦🇷 Me acabo de unir a...
Apr 27, 2026
Filippo
replied to the thread
Italian
Copiare un file presente in cartella Download
.
Non si può usare direttamente la funzione "copy", in questo caso si deve usare questa funzione: Dim Out As OutputStream...
Apr 27, 2026
Polaris
replied to the thread
Android Question
Unexpected results when moving around imageviews
.
Ok Thank you Erel, I will try that and post here if the problem is solved.
Apr 27, 2026
Philip Chatzigeorgiadis
replied to the thread
B4J Question
SOLVED ABMaterial | Changes and extensions added to jpg images do not appear in the ABMaterial server app
.
I am not sure I understand your problem 100%, but I will have a go at it. Here is what I understand from your description: You have...
Apr 27, 2026
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