Tutorials & Examples

The #CustomBuildAction attribute allows running external programs during the compilation process.
The syntax is:

#CustomBuildAction <compilation step>, command to run, zero or more arguments...

 

A cross platform version is available here: https://www.b4x.com/android/forum/t...g-or-collapsing-xcustomlistview-items.106148/

This...

 

This is a B4i and B4A example, which demonstrates various external files related tasks.

The behavior is not exactly the same as the platforms capabilities and behavior...

 

This is a cross platform example that adds CKEditor rich text editor using WebView: https://ckeditor.com/ckeditor-5/
Make sure to read CKEditor licensing and pricing...

 

B4XCache is a new collection added in B4XCollections v1.10.
It is key / value store collection, similar to Map.
When the cache reaches the set maximum size, the least recent used items are removed...

 

This is an example in response to this post and extension of the example posted here.

Private Sub Button1_Click
    #If B4i
    Label1.Font = CreateB4XFont("D3-Biscuitism-Bold"...

 

A B4X project example to use Localizator in B4XPages
The device locale is selected for B4XCombobox by default.
This is answer to this question...

 

Last year, I commissioned Biswajit to write a library for the new Google Play Games Services library. To manage the complexity of the code, I wrote a class called...

 

Check this other excellent example from @Jack Cole.

To help the new members to make money with B4A, I tried to compile all the relevant Admob code (except mediation) of the...

 

This example is deprecated, see Midi Monitor2

This is the last example for now, it provides a midi monitor for messages based on the midi channel that the messages are played on.

It...

 

This is a rewrite of the original midi monitor example as a CustomView in a B4xPages project. It eliminates the need for threading and the AcceleratedSurface libraries.

...

 

This is the simplest of the examples and just loads and plays a midi file. It requires the Midi System Lib available here: https://www.b4x.com/android/forum/threads/midisystem.50106/ and...

 

Good morning to all of you,

some times I find it easier to make notes on a paper with a pen. I am a visual person and I understand something better this way. At several times I move my notes to...

 

Hello everyone, I'm sharing a basic example where I integrated several options [B4APages and] so that a new member can start developing their application.
I hope it is useful.

Hola a todos, les...

 

Hello everyone, it's been a while since I wrapped the EasyAR SDK Library which can be found here I haven't had much time but I decided to create a small example to learn how to render...

 

Installation instructions:

- Register your app in Google developer console: https://console.developers.google.com
You need to enable Google Maps Android API.
Then click on...

 

In most cases AppCompat is no longer needed and will only make things more complicated.
B4XPages example with dynamic menu...

 

An example of sending data from device A and display on device B screen using MQTT protocol.
This is one of the solutions to this thread.
The code is kept since Aug 2023 but I don't see any...

 

This is an example of updating app to newer version.
In real usage, the new apk should be downloaded from a server to File.DirInternal.

Note:
In this example, the apk file (version 1.01) which is...

 

An example of sending data from device A and display on device B screen using UDP protocol.
This is one of the solutions to this thread.
The code is kept since Aug 2023 but I don't see any...