Tutorials & Examples

If you are using B4A v5.80+ then please follow this tutorial: https://www.b4x.com/android/forum/threads/google-maps.63930/#post-404386

GoogleMaps library requires v2.50 or above...

 

Hello,

UPDATE

This version includes Multiline Support and Guaranteed functionality. The last version had a lot of bugs, that new example is more mature.

At the moment, I'm...

 

Edit: Things have changed with newer versions of Android and new restrictions. Sticky services should not be used any more.

Background service example...

 

B4A-Interpreter

I've made a B4A interpreter that runs B4A-Code on Android
to write easy B4A-test programs on my Phone.
To make an app only copy the source code back to the...

 

This is just a simple example (and yes, there are others doing similar). You can modify this example it by using other colors, gradients, adding other views and so on to have a simple but good...

 

Firebase has several extremely useful free server-based features for developers of mobile apps.

Spoiler: free?

The free "Spark Plan" is suitable for small business applications.​

...

 

Hi everybody!
I want to share this simple example of an HorizontalScrollView that works like ViewPager. Main difference between this and ViewPager is that HorizzontalScrollview has an only inner...

 

New version: GooglePlayBilling - In App Purchases

Spoiler: Old version. Not relevant

This tutorial covers the new API for in-app billing provided by Google.

The main differences between v3 and the previous...

 

I'm mostly using B4A-Bridge to connect the IDE to the Android devices. The built-in video recording feature doesn't work with B4A-Bridge.

I found a good alternative...

 

How to set Airplane mode ON e OFF?

I see this:
anddev.org • View topic - How to set airplane mode on/off

How I can traduce it, with B4A?

 

The ScrollView is a very useful container which allows you to show many other views on a small screen.
The ScrollView holds an inner panel view which actually contains the other views.
The user...

 

I'm working in a project that needs OCR offline. Made a small progress and decided to share here and get some feedback.
I've searched a little bit at this forum and google about it. Found options...

 

This starts recording video with your dji app

'put this in process globals

   Dim AircraftInstance As JavaObject
  

    Dim CameraInstance As JavaObject


'Put this in AfterAircraftConnected...

 

There is a very useful online tool called SQL Fiddle that allows you to build test tables, populate them with data & run queries on them. This is great if you are trying to figure out how...

 

Using a PlayStation 3 controller with your Android Device
This tutorial is an extension of the B4A Generic Gamepad Support thread.

As you can...

 

Hello Every Who can not know to use procedure with rdc there are two ways To do that

the first one is use Call keyword like this

sql.getcategoryproducts=Call Getprodbycat(?)

this way...

 

Adding Tripod Mode to your DJI Mobile app



Tripod mode for DJI drones, limits the speed of your drone to around 2 mph. So you're less
likely to hit something, when your in confined spaces, or...

 

There are several options to develop with B4A:
- Android emulator or a VM.
- Connect to a real device in USB debugging mode
- Connect to a real device with B4A-Bridge.

I recommend starting with...

 

A small example like loading an image with PostMultipart and PHP, I have been useful, you can adapt it needs.

Code B4A

Sub CargaImagen
    Dim j As HttpJob
    Dim img As String =...

 

Hi all,

I was looking into 'de-spaghettifying' my code that uses @DonManfred 's MsMariaDb...