Tutorials & Examples

Massy · Dec 11, 2017

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...

PhilipBrown · Dec 2, 2017

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

Erel · Feb 28, 2016

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...

Erel · Nov 7, 2010

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

Douglas Farias · Dec 10, 2017

Hi all.
i made this game some time ago, its simple, i never used, i found today on my old sources folder and i m here to share with all.

The labels are in portuguese, but is very easy to...

Johan Schoeman · Apr 12, 2015

Attached project simulates a 7 segment LED digital clock. No libs other than the B4A core lib are required.
You can also try this analog clock here

NJDude · Dec 6, 2017

I was browsing the forums and came across THIS post, and that gave me an idea for a little funny class/library.

The code attached demonstrates how to use B4A to create libraries using code...

Erel · Dec 3, 2017

Backward compatibility = the ability to open projects developed with older version of the IDE in a newer version of the IDE.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

Johan Schoeman · Dec 2, 2017

I have tested this on an Android 7.0 device only - take a screenshot of your activity. You need to enable the JavaObject library to make use of it.

@JordiCP solved my initial problem here...

mesutaslan · Jul 11, 2016

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...

Erel · Feb 3, 2011

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...

T201016 · Nov 24, 2017

I am presenting a test project - Compass. Post #1
- displays TRUE HEADING with local magnetic declination.

Tested in parallel with the application AndroiTS GPS Test v.1.48 Free...

Erel · Nov 28, 2010

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...

infow · Dec 1, 2016

Using the feature of resident images of Datecs dpp250. This is the way I found with Erel help to convert a 1 Bit BMP to ESC format, download to the printer, clean printer memory, write printer...

Erel · Jun 20, 2013

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...

Informatix · Oct 8, 2014

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...

NJDude · Nov 19, 2017

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...

NJDude · Nov 15, 2017

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...

Multiverse app · Nov 17, 2017

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...

megzz · Nov 17, 2017

You can generate waveform from peaks json file which is generated from mp3 file.
In this source waveforms has drown with canvas.
You can customize everything about waveforms display with this...

Tutorials & Examples

Show only:

Corso di B4A in Italiano

B4A Book Updated to Version 7.30

FloatLabeledEditText (ViewsEx)

ListView tutorial

Colors Game (Simple game source)

Attachments

7 Segment LED Digital Clock

Attachments

Glitching screen - B4A Library source code

Attachments

[B4X] Backward Compatibility

Take a Screenshot with Inline Java Code

Attachments

Producing unsigned apk and sign it with eclipse/adt keystore

[B4X] AsyncStreams Tutorial

Compass: TRUE HEADING & Magnetic Declination.

Attachments

Text files

Downloading and Printing 1 Bit BMP to ESC/POS Printer

Attachments

Android Wifi-Direct Tutorial

Attachments

Shaders in libGDX

Attachments

IPInfo - B4A Library source code

Attachments

CustomBottomSheet - B4A Library source code

Attachments

GPU overdraw

Create wave form

Attachments

Tutorials & Examples

Attachments

Attachments

Attachments

Attachments

Attachments

Attachments

Attachments

Attachments

Attachments

Attachments

Attachments

Privacy & Transparency

Privacy & Transparency