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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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B4A - Android
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Code Snippets
A place to share useful code snippets.
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stevel05
Mar 27, 2014
Replies
1
Views
15K
Mar 27, 2014
Erel
[B4X] Online Payment with PayPal
MarcoRome
Nov 10, 2019
2
Replies
38
Views
18K
Jun 10, 2025
Filippo
B4XPages: opening from Notification
peacemaker
Jun 8, 2025
Replies
0
Views
245
Jun 8, 2025
peacemaker
J
OpenCV warp perspective
jkhazraji
Jun 6, 2025
Replies
0
Views
324
Jun 6, 2025
jkhazraji
J
📌 [B4A] Save a file to the Download folder (and document, pictures, music, movies, dcim folders)
Star-Dust
Feb 2, 2025
2
Replies
24
Views
6K
Jun 2, 2025
rogeriosca
targetSdkVersion 35 and opting out of edge-to-edge enforcement
Erel
May 22, 2025
Replies
7
Views
1K
Jun 2, 2025
Erel
B4XOCRPage - Specific OCR capture area (using MLKIT GMS Vision OCR)
Magma
May 26, 2025
Replies
3
Views
622
May 28, 2025
Theera
Media Store class - created with assistance of Microsoft Copilot
JackKirk
May 19, 2025
Replies
3
Views
658
May 21, 2025
JackKirk
BADoclet 2.0. Generate javadocs on Eclipse with Openjdk 19.0.2
max123
May 19, 2025
Replies
0
Views
448
May 19, 2025
max123
SetEllipsize for Multiple Lines in B4X Labels
Mehrzad238
May 18, 2025
Replies
0
Views
350
May 18, 2025
Mehrzad238
Disable ViewPager Swipe (Touch)
Mehrzad238
May 15, 2025
Replies
0
Views
402
May 15, 2025
Mehrzad238
Request ignore battery optimizations
Erel
May 15, 2025
Replies
1
Views
621
May 15, 2025
Pendrush
Firebase push-message sending: the token from a code string
peacemaker
Apr 30, 2025
Replies
3
Views
1K
Apr 30, 2025
hatzisn
Wake the screen up at Firebase push-message
peacemaker
Apr 30, 2025
Replies
0
Views
480
Apr 30, 2025
peacemaker
Textsize and Colors of native MsgBox
Blueforcer
Sep 15, 2024
Replies
2
Views
1K
Apr 26, 2025
Blueforcer
Get Actionbar Height
Blueforcer
Apr 23, 2025
Replies
0
Views
560
Apr 23, 2025
Blueforcer
Fix Big size APK in SDK 34 (NotoColorEmojiCompat.ttf)
tuhatinhvn
Apr 10, 2025
Replies
2
Views
897
Apr 22, 2025
asales
Collecting all keys for translation in Localizator
Cadenzo
Apr 7, 2025
Replies
4
Views
716
Apr 8, 2025
emexes
E
Localizator with assets for every language instead of DB
Cadenzo
Apr 7, 2025
Replies
2
Views
728
Apr 8, 2025
Cadenzo
[B4X] Convert milliseconds to string
Erel
Feb 22, 2018
Replies
9
Views
11K
Apr 3, 2025
LucaMs
[B4X] Unescape Unicode
Erel
Mar 27, 2025
Replies
0
Views
687
Mar 27, 2025
Erel
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B4A - Android
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