Tutorials & Examples

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...

 

Hi..
I have created one activity that contains AudioRecorder using audiorecorder library.
i want to start and stop recording from background using service.
timer is not working to stop...

 

This issue was solved with the B4A 13 Beta 6.

I saw many users (include me) with the problem "The filename or extension is too long", when try to compile the project with...

 

A C# friend who uses MAUI to develop Android apps, but the friend works well, so I recommend him to use B4A, and he got started after a few hours of basic tutorials. He implemented a way to make...

 

[B4X] [XUI] AS Settings

Introducing a new library that allows you to create your own settings page with minimal code. This library comes equipped with automatic saving and loading features, making it incredibly easy to manage your settings. It supports booleans, free text, numbers, comboboxes, action buttons and more...

www.b4x.com

How to change the description text of a property:

AS_Settings1.MainPage.GetProperty("ExportDatabase").Description =...

 

example of getting file property information from uri provided by content chooser or received file shared to the app. Curtesy of Erel’s example: Received Share. Shows File name, Mime Type...

 

Have never done a B4A "wrapper" before making use of JavaObject only and thought I would see if I could get the PieChart of mpAndroidCharts implemented by using B4A's JavaObject only...

 

Hello friends, i wanna share with you a code that can you use it to get video resolutions avilables in played video (m3u8,mp4 ...) and show it in listview to select one of this qualities; :
do not...

 

This simple function converts Markdown-formatted text so that it can be used as CSBuilder.

This is particularly useful if, for example, you have created a text in MS Word with bold and...

 

[B4X] [XUI] AS Onboarding [Payware]

AS Onboarding is a view you can use to attract first-time users when they land on your app. Or to present new features after a major update, with pictures and descriptions. Or to collect user data at the 1st start of the app, many things are possible. The View is modular and can also be...

www.b4x.com

In this example I show how you can easily change the theme e.g. from a dark theme to a light one and how to...

 

Simple example of a foreground service that keeps the process running in the background. The current location is shown in...

 

well hi too all .
As the title suggests, I want to teach you how to upload photos
I had searched a lot about it myself and had not found any results. By changing other people's codes, I was able...

 

This is a module base on CustomListview, all function same with CustomListview I call it CustomCardView. Hope this help.

For I = 0 To 5
'(the 47%x is cardview width, and the 45%y is the...

 

[B4X] Supabase - The Open Source Firebase alternative

Supabase is an open source Firebase alternative. It provides all the backend services you need to build a product. Supabase uses Postgres database with real-time capabilities. Basically, supabase provides an interface to manage postgres database that you can use to create table and insert, edit...

www.b4x.com

Perform a function call.
You can call Postgres functions as Remote Procedure Calls...

 

This is a modified example, based in the original example from @Erel.
The previous example only make purchases.
This new example utilizes the Google Play Billing library v.7, changes...

 

This is just another example based on the ManageExternalStorage class provided by @agraham.
It is a response to this question.

B4ARepositoryWriter - writes a text file to an...

 

Just a simple example with a link to a file stored in File.DirInternal.

Required Archiver library.

This is a response to this thread.

 

This is just a proof of concept to show that Device A behave like a server hosting a database and Device B connects to it accessing the "shared" database. It is a response to this question...

 

Based on the example found at: https://www.b4x.com/android/forum/threads/spinner-font-typeface.27513/#post-159552

Here a short example to change the spinner after added the values:

Sub...

 

I'm just trying to add a background image to the 4x1 widget from the following excellent thread...