Tutorials & Examples

Starting from Android 7 we can extract more information about the satellite navigation status.
GPS is the first satellites system (the American system). There are several more systems now...

 

When I started again developing in B4A, I looked around my developed desktop applications to make something similar, as I will know what the result should be.

I choose my small attendance program...

 

Hi all.
I found this example in some old folders on my pc and decided to share here.
it is a simple Bomb Countdown with timer, sound and vibration.

I think the most important here is the...

 

HeartRateMonitor class searches for peripherals with the heart rate service (0x180D).

Once a peripheral device is found and connected then a notification is set for the heart rate measurement...

 

Not sure how many developers are familiar with the list of recent subs:

You can open it with Alt + N.
It is very useful...

 

Hi all.
I found this example in some old folders on my pc and decided to share here.
it is a simple layout example of SlidingMenu

this example use this lib...

 

Hi all.
I found this example in some old folders on my pc and decided to share here.
it is a simple example of how consume a api with http.

Fipe is a organization with control of cars...

 

Hi all.
I found this example in some old folders on my pc and decided to share here.
it is a simple example of how to get values from a website, on this example we get the bitcoin and dolar...

 

Hi all.
I found this example in some old folders on my pc and decided to share here.
it is a simple Fidget Spinner example on B4A

Ps: this example use a webview, a html code...

 

Hi all.
I found this example in some old folders on my pc and decided to share here.
it is a simple Fidget Spinner example on B4A

Download Here

Ps: on the zip...

 

Hi all.
I found this example in some old folders on my pc and decided to share here.
it is a simple game example to punch the president

This example...

 

Hi all.
I found this example in some old folders on my pc and decided to share here.
it is a simple example of how hide the packagename and a user agent on a webview.

This example use the...

 

Hi all.
I found this example in some old folders on my pc and decided to share here.
it is a simple example of how send a firebase notification via php

<?php
        $url =...

 

The purpose of this framework is to allow you to easily add different types of charts to your projects.
The current version supports pie charts, line charts and bar charts.

The framework is...

 

Google has changed their policy regarding the following permissions:
READ_SMS, SEND_SMS, WRITE_SMS, RECEIVE_SMS
READ_CALL_LOG, WRITE_CALL_LOG, PROCESS_OUTGOING_CALLS

Only the default phone or...

 

As explained in this tutorial all store apps will soon be forced to target the latest SDK.

This means that we can no longer rely on the OS backwards compatibility features and need to...

 

I found a Youtube video showing you how to install Android 8.0 on a Virtualbox.
This gives you Android running on a desktop (virtual) machine, and it is all free!
(I knew you'd like the "free"...

 

Hi All.
Here is a very very simple example of how make a chat using clv.
the text and name is ajustable automatic, you can receive any text and the code will ajust using the correct size.

The...

 

A lot of developers like me use php as the backend component on a server to communicate with B4x apps. My intention is to create a thread with some "How to's" and best practices. Please feel free...

 

This guide is obsolete ! It is no more updated.
Please use the B4X Booklets.

A User's Guide in pdf format is available here : www.b4x.com/android/files/UserGuide.zip

This...