Tutorials & Examples

** This is the only option to enable location services from inside your app. **

Example was updated and is based on B4XPages.
Don't miss:

1. ShowResolutionDialog sub that is added to Main. It...

 

It is surprising how often the basics get missed, when embroiled in heat of battle of programmer vs hardware, operating system, complex apis and libraries, etc.

I have found that whenever my BLE2...

 

Example of showing a Google map, in a cross platform B4XPages project. The APIs of the three GoogleMaps libraries are quite different from one another, so we need to use platform...

 

Check this out!

sheetai.app which helps use ai in google sheets, just ask it and done!

Quick Demo:



Tutorial:

 

I am happy to announce that both the paperback and electronic versions of the B4A tutorial and reference book “B4A Rapid Android App Development using BASIC” by Wyken Seagrave have...

 

The main challenge here is the performance. All particles are updated if needed and redrawn every cycle.

The Particles...

 

1) sudo apt install -y wine winetricks

2) winetricks dotnet452

3) wine B4A.exe

4) winetricks
install windows DLL or component
vcrun2010

5) right click icon B4A...

 

The solution for both B4A and B4J has been posted at https://www.b4x.com/android/forum/t...x-mint-20-2-cinnamon-with-64-bit-wine.134069/

 

[Class] Pinch Zoom and Move View

I had the need for my purposes to do the Pinch Zoom in contemporary Move to a View, now I put my code available to anyone who might be in need, just to get...

 

This Tutorial is for those who already have an existing application in the play store that is APK and want to switch to App Bundle (AAB) which will become compulsory in August 2021.

Steps for...

 

Here is a nice tool that visualizes the JSON like a diagram. Pretty cool.

JSON Crack | Online JSON Viewer - Transform your data into interactive graphs

JSON Crack Editor is a tool for visualizing into graphs, analyzing, editing, formatting, querying, transforming and validating JSON, CSV, YAML, XML, and more.

jsoncrack.com

 

Every developer must understand this article if developing any kind of network communication app.

Android os recent versions put end apps users privacy at the heart of its platform, the network...

 

Intel's Bridge technology will allow Android apps to run natively on Windows 11, now Microsoft released the beta version。

1. download windows11 from...

 

Hello All
Here we have an simple example on how you use your Android device GPS in conjunction with OpenWeather API, this is just a simple example and can obviously be changed and updated by...

 

Google never seizes to surprise us and its latest miracle is the following:

In order to fix this no matter if you have an EmailList set with the testers I have done two things. I do...

 

Searching the internet I came across this site that cumulates all the necessary data for the B4A developer:

Android API Levels

A quick reference table of Android versions with SDK & API levels, version codes, codenames, cumulative usage, and more.

apilevels.com

 

This Tutorial is how to use the free service from fixer.io
in your own apps.

Fixer.io is a free JSON API for current and historical foreign exchange rates published by the European Central...

 

The soon to be released versions of B4A, B4i and B4J include a new feature named: designer script extensions. The new feature allows calling B4X code from the visual designer scripts.
Note that...

 

Hello to you all,
Welcome to Sheldon Coopers and Amy Farrah Fowlers fun with flags

Here is a simple example on using B4XPages with both an SQLite database and also a CSV file with multiple...

 

Hey everyone,

This is a tutorial on how you can add In App Purchases to your Android App in the New Google Play Console.

1) Add GooglePlayBilling library in your project and the following code...