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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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B4X Programming Forum
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B4A - Android
Android Questions
Please post any technical question in this forum.
Threads
67.7K
Messages
388.4K
Sub-forums
Sub-forums
Libraries developers questions
Messages
388.4K
Android Question
Failed to Install APK
4 minutes ago
incendio
Tutorials & Examples
Android development starts here.
Please do not post questions in this sub-forum.
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1.2K
Messages
27.9K
Messages
27.9K
Android Tutorial
Receivers and Services in 2023+
Tuesday at 7:10 AM
Jmu5667
Additional libraries, classes and official updates
Users contributed libraries, classes and official updates.
Threads
2.1K
Messages
66.4K
Sub-forums
Sub-forums
Old Libraries Archive
Messages
66.4K
B4A Library
[B4X] [XUI] AS TextFieldAdvanced - Title, Information, Counter, Password, Button, Prefix, Suffix, Icons, Multiline
Yesterday at 4:52 PM
Alexander Stolte
Code Snippets
A place to share useful code snippets.
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722
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4K
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4K
Android Code Snippet
SQLite Using Vacuum Into To Make a Copy of an Open DB
Yesterday at 3:32 PM
basicboykarl
Bugs & wishlist
The place to discuss bugs and missing features.
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5.8K
Messages
25.4K
Messages
25.4K
H
Bug?
can't get HMS push notifications
Today at 3:06 AM
hamll
Share Your Creations
Threads
1.9K
Messages
14.5K
Messages
14.5K
J
Share My Creation
GPT-3
Friday at 3:49 AM
JackKirk
B4i - iOS
iOS Questions
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9K
Messages
47.6K
Messages
47.6K
iOS Question
DocumentPicker and IPad
35 minutes ago
marcick
iOS Tutorials
Threads
161
Messages
2.5K
Messages
2.5K
iOS Tutorial
BLE Chat - Connecting Android and iOS
Jan 7, 2023
aeric
iOS Libraries
Threads
208
Messages
2.7K
Messages
2.7K
A
B4i Library
PFDateTimePicker ScrollView iOS
Jan 21, 2023
Asad
iOS Code Snippets
Threads
117
Messages
445
Messages
445
iOS Code Snippet
[B4X] [B4XPages] STRIPE Checkout - Credit card and Apple Pay
Jan 22, 2023
james_sgp
iOS Bugs & Wishlist
Threads
695
Messages
2.7K
Messages
2.7K
Bug?
Error in the IDE?
Jan 5, 2023
Erel
iOS Share Your Creations
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Threads
145
Messages
825
Messages
825
Share My Creation
EasyPlate - Count your weights
Jan 6, 2023
Alexander Stolte
B4J - Desktop, Server and Raspberry Pi
B4J Questions
Threads
13.3K
Messages
74.9K
Messages
74.9K
B4J Question
The process cannot access the file because it is being used by another process
32 minutes ago
Erel
B4J Tutorials
Threads
696
Messages
6.5K
Messages
6.5K
B4J Tutorial
Simple Layout Designer (SLD) B4J application.
Saturday at 2:03 AM
PaulMeuris
B4J Libraries & Classes
Threads
633
Messages
10.4K
Messages
10.4K
B4J Library
[b4j] jSelenium 2.0.1 - A Test Automation for B4J
Friday at 3:06 PM
tummosoft
B4J Code Snippets
Threads
412
Messages
1.5K
Messages
1.5K
B4J Code Snippet
[B4X][DSE] Designer Script Extensions - Scaling Preserving Aspect Ratio
Yesterday at 9:08 PM
William Lancee
B4J Bugs & Wishlist
Threads
1.2K
Messages
4.7K
Messages
4.7K
Wish
[B4J] Better transparency support for Webp images
Jan 20, 2023
Martin D.
B4J Share Your Creations
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Threads
505
Messages
4.5K
Messages
4.5K
Share My Creation
MC Email Client - B4J, PHP, MySQL
23 minutes ago
ilan
B4R - Arduino, ESP8266 and ESP32
B4R Questions
Threads
1.9K
Messages
11K
Sub-forums
Sub-forums
Libraries developers questions
Messages
11K
B4R Question
size_t* to global variable
Jan 22, 2023
KMatle
B4R Tutorials
Threads
180
Messages
1.2K
Messages
1.2K
A
B4R Tutorial
Correct this misconseption - "Call B4R subs from InLine c code" - see post #2
Jan 19, 2023
astronald
B4R Libraries
Additional libraries
Threads
127
Messages
768
Messages
768
B4R Library
rDebug.b4xlib - Debug arduino code adding break points in all microprocessors' code (even the older ones)
Dec 26, 2022
hatzisn
B4R Code Snippets
Threads
100
Messages
319
Messages
319
B4R Code Snippet
hex to int
Jan 23, 2023
rgarnett1955
B4R Bugs & Wishlist
Threads
240
Messages
1K
Messages
1K
Wish
Support for using Arduino 2.0 + Debug function
Yesterday at 9:21 AM
amorosik
B4R Share Your Creations
Threads
93
Messages
287
Messages
287
Share My Creation
Carbon monoxide alarm
Jan 4, 2023
shabnamgahramanpur
General
The Business Forum
The place for business (ads, sales, money, ...) related questions and tips.
Threads
400
Messages
3.1K
Messages
3.1K
I would like to convert an existing website into a webapp.
Friday at 5:16 PM
aeric
🐢 👩🏫 👨🏫 Teaching Programming with B4X
B4X is a great option for teaching programming.
This forum is intended for parents and teachers who teach or like to teach programming using B4X.
Threads
76
Messages
847
Messages
847
B4A-budget app tutorial using B4X pages, a tabhost, a SQLite database, a CLVDragger class and a calendar dialog library class.
Thursday at 1:27 AM
PaulMeuris
Share Your B4X Story
What are you using B4X for? What have you learnt along the way?
Threads
43
Messages
390
Messages
390
Another big project
Dec 6, 2022
besoft
Game Development
Game development related questions and discussions
Threads
338
Messages
3K
Messages
3K
Games
Access to libGDX in a CodeModule
Jan 4, 2023
Space
Chit Chat
The place for open discussions.
Threads
4.3K
Messages
38K
Messages
38K
ESP32 S3 - No Classic Bluetooth
15 minutes ago
peacemaker
Forum Discussion
Please post any question or idea regarding the forum here.
Threads
869
Messages
5.2K
Messages
5.2K
W
B4A, B4X Ubuntu X64 ?
Today at 5:27 AM
walt61
Job Offers
Do you have a job offer / project for developers? Post it here.
Threads
782
Messages
3.5K
Messages
3.5K
Arduino/GPS navigation
Jan 9, 2023
Beja
More Languages
Italian Forum
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51.8K
Messages
51.8K
Italian
jRdc2 + Db server - perche' mettere i comandi su file configurazione lato server?
Today at 6:13 AM
giannimaione
German Forum
Threads
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15.3K
Sub-forums
Sub-forums
German Tutorials
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15.3K
German
Pdf öffnen
Jan 21, 2023
Loibl Johann
Spanish Forum
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Messages
18.1K
Messages
18.1K
Spanish
[SOLUCIONADO] Error al cargar imagen en bitmap
Friday at 2:25 PM
angel_
French Forum
Threads
598
Messages
3.3K
Sub-forums
Sub-forums
French Tutorials
Messages
3.3K
A
French
B4A Menu Sous-Menu
Jan 22, 2023
ancusza
Portuguese Forum
Threads
195
Messages
922
Messages
922
Limpar a seleção em um ListView
Dec 20, 2022
MaxRosa
Chinese Forum
Threads
229
Messages
712
Sub-forums
Sub-forums
Chinese Tutorials
Messages
712
支付宝,微信支付SDK
Jan 14, 2023
269573820
Even More Languages
Threads
230
Messages
1.1K
Sub-forums
Sub-forums
Russian Forum
Arabic Forum
Dutch Forum
Hebrew Forum
Japanese Forum
Romanian Forum
Polish Forum
Turkish Forum
Czech Forum
Bahasa Malaysia Forum
Korean Forum
Messages
1.1K
J
Push notifications B4A & B4J
Wednesday at 6:13 PM
John Naylor
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Link
Latest libraries
AS_TextFieldAdvanced
By: Alexander Stolte
version: 1.16
Platforms: B4A, B4i, B4J
PermissionsManager
By: Ivica Golubovic
version: 1.20
Platforms: B4A
jSD_Wacom
By: Star-Dust
version: 1.06
Platforms: B4J
TextCrumbs
By: epiCode
version: 1.00
Platforms: B4A, B4i, B4J
SithasoDaisy
By: Mashiane
version: 1.19
Platforms: B4J
Pnd_Selenium
By: Pendrush
version: 0.50
Platforms: B4J
Index
Latest posts
Android Question
Failed to Install APK
Latest: incendio
4 minutes ago
Android Questions
ESP32 S3 - No Classic Bluetooth
Latest: peacemaker
15 minutes ago
Chit Chat
Android 14 will limit the ability to install older apps
Latest: aeric
18 minutes ago
Chit Chat
Share My Creation
MC Email Client - B4J, PHP, MySQL
Latest: ilan
23 minutes ago
B4J Share Your Creations
D
Android Question
Convert app activity to b4xpage
Latest: Dey
24 minutes ago
Android Questions
B4J Question
The process cannot access the file because it is being used by another process
Latest: Erel
32 minutes ago
B4J Questions
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