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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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1.3K
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8.1K
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8.1K
Java Question
First mistake when recompiling an old project
Mar 2, 2026
Sergio Castellari
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found the right sample - one issue to solve and it be perfect for me
Zeev Goldstein
Sep 7, 2024
Answers
1
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1K
Sep 7, 2024
agraham
Accessing NTRIP Mount Points
Terradrones
Sep 7, 2024
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0
Views
984
Sep 7, 2024
Terradrones
R
B4XPreferencesDialog adjust views of Short_Options dialog
RB Smissaert
Sep 6, 2024
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1
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1K
Sep 7, 2024
RB Smissaert
R
T
App bundle larger than 200 MB
Timm Sodtalbers
Aug 31, 2024
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6
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3K
Sep 7, 2024
Timm Sodtalbers
T
Play Store - can't upload internal testing app without privacy policy
Arf
Mar 6, 2024
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4K
Sep 6, 2024
Shelby
K
AndroidManifest.xml content to ManifestEditor
kkaminski
Sep 5, 2024
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2K
Sep 6, 2024
drgottjr
General question on most efficient code App organization
GiovanniPolese
Sep 6, 2024
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1K
Sep 6, 2024
LucaMs
problem with activity-alias
mmd3160
Sep 6, 2024
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641
Sep 6, 2024
mmd3160
default email app not showing - all apps are shown instead
Zeev Goldstein
Sep 5, 2024
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4
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1K
Sep 6, 2024
Zeev Goldstein
R
Set font size of text fields in B4XPreferencesDialog
RB Smissaert
Sep 5, 2024
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3
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1K
Sep 6, 2024
RB Smissaert
R
A
Locked
How do you generate a GUID??
alvinmb
Mar 22, 2012
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8K
Sep 6, 2024
behnam_tr
making the right app list in intent - help needed
Zeev Goldstein
Sep 6, 2024
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881
Sep 6, 2024
Zeev Goldstein
P
Url exist or not
parijs
Sep 3, 2024
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1K
Sep 6, 2024
TILogistic
D
Bridge designer is small
darabon
Sep 2, 2024
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2K
Sep 5, 2024
Brian Dean
B
M
[SOLVED] Error Load Bitmap to ImageView
mayahandayani
Sep 5, 2024
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1K
Sep 5, 2024
mangojack
S
Grab Serial Number of Device
Setlodi
Sep 3, 2024
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2K
Sep 5, 2024
Setlodi
S
Class Defined multiple times (SOLVED)
walterf25
Sep 5, 2024
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4K
Sep 5, 2024
walterf25
R
MLwifi400/ MLScan Google induced 'bug'
RJB
Sep 5, 2024
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989
Sep 5, 2024
RJB
R
A
B4XView SetBitmap
Alex_197
Sep 3, 2024
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2
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1K
Sep 5, 2024
Erel
Solved
(Solved) jRDC2 can someone give example on correct authentication
knutf
Jul 24, 2024
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7
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3K
Sep 5, 2024
aeric
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