Tutorials & Examples

The B4X documentation booklets are available in PDF format, Download Link.
All files are included in the zip file in the link above, pdf booklets and all the source code.

You can also...

 

Many things have changed in B4X and also in the underlying platforms. I will try to list here all kinds of (old) features that have better alternatives.
B4X is backward compatible so these...

 

"Code smells" are common patterns that can indicate that there is a problem in the code. A problem doesn't mean that the code doesn't work, it might be that it will be difficult to maintain it or...

 

GitHub - AnywhereSoftware/B4X_Forum_Resources: Source code and other resources from B4X programming forum

Source code and other resources from B4X programming forum - AnywhereSoftware/B4X_Forum_Resources

github.com

Experimental version.

Libraries, tutorials and code snippets were inserted into github. First post only. Includes data from...

 

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

This...

 

Well,

As JamesGreaves requested,
"So do you not think it would be of value to have even something like @walt61 has created but online?"...

 

Many have gotten the information about their Apps not aligned with the 16KB. Here is how to check which specific libraries are causing the issue

Note: You have to check for each app individually...

 

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...

 

I want to share a few tricks when using the Android Virtual Device or Emulator.

1. Increase font and icon size
Go to Settings (gear icons) from drawer/desktop/slide down menu and choose...

 

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...

 

Android has very good support for custom input method editors (IMEs).
The downside for this powerful feature is that interacting with the soft keyboard can be sometimes quite complicated.

This...