B4A Tutorial Starter Service - Consistent & Single Entry Point - Erel    
Sep 20, 2018   
(25 reactions)One of the challenges that developers of any non-small Android app need to deal with, is the multiple possible entry points.
During development in almost all cases the application will start from the Main activity.
Many programs start with code similar to:
Sub Activity_Create (FirstTime... feature named Starter service that provides a single and consistent entry point. If the Starter... an existing project and it will be the program entry point.
This is an optional feature. You can remove...
Share My Creation [B4X] Video Conference, Audio, Text Chat app - meet@point - Source Code only 20€ - Magma    
Nov 30, 2024   
(30 reactions)134801
I am proud to present you my new App... for Windows-PC and Android Version (B4J and B4A)... meet@point
Is an example - how to create a Video Conference Application... is using MQTT technology... you can use it from Android or Windows PC... you can communicate with Video (webcam, or android...... it is meet@point !
It is very simple and easy to learn how will do it... easy steps... and you will create... it works ?
- Friends have their meeting point with a name... let's say "test"...
B4A Question Phone Sensor Orientation x starting point - Scantech    
Jun 23, 2019Is Phone Sensor Orientation Type X value ranges from 0 to 360? x seems a bit off. Do we have to calibrate it to have it set at x = 0 when phone is portrait mode?...
B4A Question [SOLVED] v6.00 how to point to Google Play Services Fused Location ? - lemonisdead    
Jun 9, 2016Hello,
I don't manage to make it work. I have added the Manifest entry but where to point to the AdditionalRes ?
I have added this to the project to replace the previous #29 version
#AdditionalRes: C:\AndroidSDK\extras\google\m2repository\com\google\android\gms\play-services, com.google.gms
I have tried to copy everything in the Project's folder too
invalid resource directory name: c:\androidsdk\extras\google\m2repository\com\google\android\gms\play-services 3.1.36
invalid resource...
B4J Question How to do division of two Ints as integer division instead of floating point division? - emexes    
Jan 6, 2024Dim Temp As Int = NewX * 2 + 1
Dim Temp1 As Int = Temp * SrcWidth
Dim Temp2 As Int = (NewWidth * 2)
Temp = Temp1 / Temp2
decompiles to:
int var23 = var21 * 2 + 1;
int var24 = var23 * var17;
int var25 = var1 * 2;
int var10000 = (int)((double)var24 / (double)var25);
Is there any way to get the castings out of the division line, without using inline Java?...
Share My Creation Point Of Sales (POS) - aeric    
Sep 27, 2025   
(41 reactions)This is a Point of Sales (POS) system under development.
The basic functions such as Discount, Price override, Barcode scan, Item Void, Hold/Call Bill and Reprint Receipt are available. It also has an Admin or "backend" login for changing system setting, manage users and inventory and generate sales report. It can run on Linux desktop and Windows. I am also developing an Android version...
link: V0-ZRyh50PI...
B4A Question Get shortest distance from point to line on map - RB Smissaert    
Oct 10, 2025Have a point and a line on a map and need the shortest distance (in meters) between that point and that line.
The point is set by a latitude, longitude type and the lines is set by 2 of these types...
link:
You just made me realise that if the three latitudes were averaged - which are never going to ALL b...
link:
I can see that makes sense as with relatively short distances there is no need to look at all 3 pro...
link: GetNearestPointOnLineABFromX(tLLA As TMapLatLng, tLLB As TMapLatLng, tLLX As TMapLatLng) As ResumableSub...
B4J Code Snippet [B4X] Fitting a smooth curved line to a sequence of points - William Lancee    
Sep 27, 2022   
(8 reactions).
The first is where you want a line drawing based on some image. Sample points on the outline... is a moment of time in the animation.
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Algorithm:
Imagine three points. They form a corner. Cut the tip off the corner.
You now have four points, and a smoother connection between the end points.
Cutting close to the tip of the corner makes it less round.
Cutting close to the midpoint... curve is fed back into the smoothing process.
Each iteration increases the number of points. For 3...
B4R Code Snippet [ESP MCU] Access point web-interface example: WiFi SSID, password and API URL - peacemaker    
Oct 5, 2025   
(6 reactions), "; result = ", Main.WiFi.StartAccessPoint(others.APname))
Log("My IP: ", Main.WiFi.AccessPointIp)
server.Initialize(80, "server_NewConnection")
server.Listen...
B4R Library rDebug.b4xlib - Debug arduino code adding break points in all microprocessors' code (even the older ones) - hatzisn    
Jan 12, 2023   
(5 reactions) for Break Point and you can pass as an argument the variable you want to see its value or the string...
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