Tutorials & Examples

This tutorial explains how to use the new PreferenceActivity library. This library allows you to create the "standard" settings screen.

The settings screen is hosted in its own activity. As this...

 

Edit: StateManager was written in 2011. I don't recommend using it for new projects. Use B4XPages + KVS2 instead.

StateManager is a code module which takes care of handling the application...

 

Note: You should use B4A 6.0 or above for this tutorial.

Google recommends to use a ToolBar instead of the standard system ActionBar for Material Design apps. In this tutorial we will use a...

 

PacDroid: from scratch to fun​

In this tutorial, I'm going to explain how to write a game from scratch with libGDX. I will make reference to my tutorials “How to make...

 

In newer versions of B4A, B4J and B4i it is simple to share code modules between projects, including projects targeting other platforms.

More information here...

 

Reference: https://en.wikipedia.org/wiki/Builder_pattern
Reference 2: My head, sorry for my english
BuilderLabel
BuilderButton
PatternCreator

Builder pattern...

 

Ciao a tutti, ho creato un corso base di B4A in italiano di 30 ore. Per chiunque fosse interessato il corso è disponibile sulla piattaforma Udemy al prezzo scontato di € 15.

Utilizzate il...

 

I am happy to announce that the B4A tutorial and reference book "Rapid Android App Development using BASIC" by Wyken Seagrave has now...

 

FloatLabeledEditText is an improved EditText where the hint moves to the top instead of disappearing when there is text in the field.

With the floating hint you no longer need to add...

 

Don't use ListView.
Use xCustomListView - it is more powerful, easier to work with and cross platform.

 

Backward compatibility = the ability to open projects developed with older version of the IDE in a newer version of the IDE.

Backward compatibility is a critical feature for programming languages...

 

Ok, this is my first tutorial so please be kind about my errors


Here is problem : You have an app made without B4A. You wantto remake it but you need to sign it with your old...

 

New video tutorial:


AsyncStreams allows you to read data from an InputStream and write data to an OutputStream without blocking your program. The reading and writing are done...

 

Many applications require access to a persistent storage. The two most common storage types are files and databases.
We will cover text files in this tutorial.

The predefined Files object has...

 

Android 4+ devices support Wifi Direct (Wifi P2p). Wifi Direct allows you to connect two devices over wireless without an access point. It is similar to Bluetooth with a much extended range and...

 

In this tutorial, I'm going to modify the Perf_Flakes demo of the libGDX library to explain how to use shaders with your objects rendered by lgSpriteBatch. I'm NOT going to explain the basics of...

 

Sometimes, we need certain things to be done but there are not APIs available, so what we do? we create our own.

I always emphasize that we need to use our imagination and be resourceful, the...

 

Since I've seen a lot of downloads on my previous tutorial HERE I've decided to write another nice looking (and hopefully useful) custom view written in 100% B4A, and I also hope you guys...

 

Every time your app draws a pixel on the screen, it takes time. Every time your app draws an opaque pixel to replace something that has already been drawn, it wastes time. Drawing a pixel more...

 

Here is another ScrollView example with:
- adding a row
- moving a selected row up and down
- mono-selection, clicking on one row selects it, clicking on another row unselects the previous one and...