Tutorials & Examples

Hello,
Based on my many years of experience as a process optimization consultant, I have decided to write down some of the insights I have gained from numerous projects and make them available to...

 

Check Elevate UI Demo 3 at post#6

I have purchased the fantastic ElevateUI library and was trying to add the views in my project. Since the library comes without any demo or manual, I was...

 

hello
if you have a panel and you want scroll this panel then you use this source.

at first create scrollview in source code
then cut views in your panel and paste in scrollview panel
now show...

 

This is an example of creating a custom parser for...

 

When I was writing the b4xlib library, I encountered complicated steps, and I needed to decompress and compress the b4xlib file (zip format) frequently.

So I wrote this tool to automatically...

 

The GNSS library replaces the old GPS library. The GNSS library is available here: https://www.b4x.com/android/forum/threads/gnss-library-an-updated-gps-library.109110/#content...

 

[B4X] PocketBase - Open Source backend in 1 file

PocketBase was created to assist building self-contained applications that can run on a single server without requiring to install anything in addition. The basic idea is that the common functionality like crud, auth, files upload, auto TLS, etc. are handled out of the box, allowing you to focus...

www.b4x.com

If you develop with B4J with Pocketbase, then you simply enter the localhost address...

 

SQLite has the string function Instr, which finds the first occurrence of a specified string in another string.
There is no InstrRev function though to find the last occurrence of a string within...

 

Google has deprecated the previous method of sending push notifications. It will stop working on June 2024.
If you have an already working solution then you only need to update the B4J side. Do...

 

This is an example of how to make one of the pages show without the action bar while the others do show it.

Note that usage of IME in the main activity, to find the action bar height.

In each of...

 

Camera2 library is based on the Camera2 API introduced in Android 5 (API 21).
It is designed to work together with CamEx2 class.
It is supported by B4A v7.3+. The library will be included as...

 

Searching the internet I found a service that allows you to convert any google sheet into a json api, it has a free version that allows you to consult and add data, connecting to the api is quite...

 

If @Erel permits me, I will introduce my Telegram channel for error correction and provide examples specifically for the Persian language.
I am gathering all sorts of errors and putting them...

 

Introduction

The conversion of the first of my B4A Apps to the newer B4XPages structure was not trivial and involved over 20 hours of research, overcoming misunderstandings, and finding...

 

B4A v13.0+ should be used with targetSdkVersion 34+.

Android 14 continues the longtime trend of making services less flexible and more difficult to use (converging to iOS background tasks...

 

The user can set live wallpapers by long pressing on the home screen and choosing Wallpapers - Live Wallpapers.
Creating a live wallpaper is not too difficult.
A service is responsible for...

 

Localizator is a cross platform solution for strings localization.

The strings are defined in an Excel workbook.

They...

 

I have just managed to install B4A and make it run (including B4ASdkManager) on my Xubuntu 18.04 and, since I have lost two days and one night putting things together, I thought it will be a good...

 

Hi everyone,

I posted a thread long ago about the audio/video calling over the internet. Here is a simple example of how you can call almost (will discuss below) realtime.

Why only a...

 

Introduction to the libGDX library​

What is libGDX ?

libGDX is a game engine. As we saw in the first tutorial, a game engine provides a framework to create...