Tutorials & Examples

This example uses the BLE2 library to continuously scan for BLE devices, looking for iBeacons.
It never connects to any device. It parses the advertising data and calculates...

 

The online example is currently disabled due to spam

Now that both B4A and B4J support WebSockets it is possible to implement a full push framework solution.
The solution is made of two...

 

Latest version available here: https://www.b4x.com/android/forum/threads/b4x-dbutils-2.81280/

The DBUtils code module is designed to help you integrate SQLite databases in your...

 

DateUtils is a code module with a set of useful date and time related methods.
It complements DateTime api, it doesn't replace it.

The methods included in DateUtils:

'Calculates the period...

 

Update 2018:

New video tutorial:


The source code is available here...

 

This tutorial will show you how to create an app for a Wearable device and how to package it so it auto installs.

What is Android Wear?
For those that do not know, Google has released...

 

Android Beam is a feature introduced in Android 4 that allows one device to transfer a message to another device by placing the devices back to back. The communication is based on NFC.

The main...

 

How to make games​

A great idea, but a disappointing result

You woke up one morning with a great idea for a game. You rushed to your phone to convince your best friend to...

 

Edit: shared modules are still supported however more powerful options are available in newer versions of B4X: https://www.b4x.com/android/forum/threads/86587

B4A v3.80 adds support...

 

Here is my first tutorial for the community!

This tutorial will show you how to sign a B4A generated apk with a non-B4A keystore. I needed a way to do this for myself since I had some apps out...

 

The anchors feature is simple to use and is...

 

JSON format is a a format similar to XML but usually it is shorter and easier to parse.
Many web services now work with JSON. JSON official site: JSON

Using the new JSON library, you can...

 

The code in this tutorial should not be used for new projects.
New tutorial: https://www.b4x.com/android/forum/threads/android-bluetooth-bluetoothadmin-tutorial.14768/#content

This...

 

Large projects and especially projects maintained by a group of developers usually require a source control system.
Using SVN with Basic4android is quite straightforward with a client tool such as...

 

Hi there

I'm hoping there are other methods of doing this..., if so, let's please share.

Anyway, a client was indicating the app I just sent does not work on their S7 samsung phone. So me, #bang...

 

In this tutorial i will show a way of using MobileDeepLinking in your app.

To use App deeplinking in your app to you need to setup your manifet to do so

Lets start with it:

Edit your...

 

Digi XBee modules are a great solution for wireless communication. Using two or more XBee modules you can create a wide area wireless network. The maximum range depends on the antenna and...

 

Hi All,

With RDC i try to load blob and fill in to the imageview, but not success. Can anybody help me to find what is wrong wih my script :

        If Job.JobName = "DBRequest" Then...

 

This intends to be a collection of my work here in b4x, this will cut accross the areas.

Code Snippets

MSMySQL_SelectHelper
MSMySQL_DeleteHelper
MSMySQL_InsertHelper...

 

Some more information regarding the deprecation of the AbMob SDK v6.4.1:

The email you have gotten about the SDK needing to be higher than v6.4.1 refers to a legacy, standalone Mobile Ads SDK...