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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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Android Questions
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Libraries developers questions
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Java Question
Youtube Player lib problem
Nov 9, 2025
achank
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DesignerProperty FieldType as Double instead of Int?
zed
Nov 15, 2025
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2
Views
313
Nov 15, 2025
zed
B4A version 13.4 Breaks my App (SOLVED)
walterf25
Nov 11, 2025
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9
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1K
Nov 14, 2025
Shelby
B4A doesn't recognize a Time Zone change in a kiosk app.
Uitenhage
Nov 13, 2025
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2
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333
Nov 14, 2025
Uitenhage
Request for the latest ExternalStorage.b4xlib
Emerito
Nov 13, 2025
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11
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722
Nov 14, 2025
Emerito
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Advice for migrating from VB.Net to B4A
Steve2
Nov 13, 2025
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4
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492
Nov 14, 2025
Brian Dean
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B4A Installation - Stuck on SDK Licence
rodmcm
Nov 12, 2025
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12
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669
Nov 13, 2025
aeric
Android 16KB Page Size
Uniko Sistemi srl
Nov 13, 2025
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0
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217
Nov 13, 2025
Uniko Sistemi srl
P
Solved
Exclude from recents programatically
plager
Aug 19, 2024
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1K
Nov 13, 2025
plager
P
M
Inventory Items scanning - need best barcode reader code
Mark Stuart
Nov 11, 2025
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3
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354
Nov 13, 2025
TILogistic
P
Biometric in Admin library
plager
Nov 12, 2025
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2
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300
Nov 12, 2025
plager
P
Selecting a Survey Point on Google Maps
Terradrones
Nov 12, 2025
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0
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195
Nov 12, 2025
Terradrones
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xCustomListView with sticky headers?
Sandman
Nov 12, 2025
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333
Nov 12, 2025
Alexander Stolte
I want to implement OCR function for taking photos or selecting images...
bskotu555
Nov 7, 2025
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660
Nov 12, 2025
DonManfred
corrupt layout?
Lee Gillie CCP
Nov 11, 2025
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380
Nov 11, 2025
Lee Gillie CCP
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DropboxV2 Java 7.0 Deleting files issue
Gavins
Nov 11, 2025
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184
Nov 11, 2025
DonManfred
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Imageview.bringtofront
Toni
Nov 10, 2025
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280
Nov 11, 2025
Toni
T
I tried to read json using latest tutorial with no luck
jaraiza
Nov 10, 2025
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534
Nov 11, 2025
jaraiza
M
How to launch an Activity in a separate process?
mzelecom
Nov 10, 2025
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220
Nov 11, 2025
mzelecom
M
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SMM (both SetMediaFromFile and SetMediaWithExtra)
Samara
Nov 9, 2025
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2
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258
Nov 11, 2025
Samara
RemoteServiceException: Context.startForegroundService() did not then call Service.startForeground()
AbdurRahman
Oct 3, 2025
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4
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484
Nov 10, 2025
AbdurRahman
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