Tutorials & Examples

Here's a little sample skeleton for using classes vs activities and making your app more compatible with b4i )

It's more flexible (i.e. create multiple "pages" of the same form, a good example...

 

Hi.

This is example with two simple classes "ParallaxLayer" and "ParallaxBackground".
It help us to make scrolling backgrounds very easily in just few lines of code and
"unlimited" number of...

 

When you finally finish your gee wiz killer app and want to write the documentation for it explaining how to use it, there are some things you need to consider.

First, find someone with no...

 

Introduction

This tutorial deals with connecting the Arduino to your PC and ensuring that we can run programs on it. It includes a brief description of the programming language for the...

 

Here is my module to parse HTML code, tag by tag.
It's specific to my needs, but you can alter it to suit specific tags. If you need help, don't hesitate to ask.
As a warning, I probably didn't...

 

Hi,

In the past creating a UI in B4A annoyed me a lot, not because of a bad designer but the lack of nice UI components. With the StdActionbar and some AH libraries it all got better and it...

 

Just like the clothes you wear, the code you write will also reflect your personal style.
Let's get fancy, shall we?

'Ugly:
     Dim validation As Boolean
     Dim sum = 1 + 1 As Int...

 

I thought I'd provide an interesting look at how well LoadBitmapSample works.

My current Game App that I'm working on generates a Release APK of 10MBytes in size.
The App has the following...

 

This is an old thread. It is not relevant if you are using newer versions of B4A.

In order for your current applications to run properly on Android 5.0 devices you need to:

1. Compile your...

 

Hi

I would like to share with you this small example on how to use ABPhysicsEngine and GameSprite View together.

I would like to thanks the authors for those greate libraries...

 

Game Physics: Gravity

In this tutorial I will explain and exemplify through a simple "runner" game how to apply physics to any B4X object.
May it be a Panel, a Label, an ImageView...

 

I have just found this out and its such a marvel to share. These are the steps for a MS-Windows install

Step 1

1. Download the ARChon runtime from...

 

Basic4android v3.0 includes a new debugger named rapid debugger.

The rapid debugger is a very sophisticated debugger with...

 

Introduction

Since we discovered b4a I looked for a flexible and developer friendly dialog library with an extensive and versatile object model. Unfortunately I could not find...

 

Noting other than the B4A core lib required...

 

Based on Erels SlidingPanels example I created another version which is a bit more "touch friendly".

My changes:

• Move panels while touching the screen and moving your finger...

 

The attached project has a dual purpose:
1. Send Morse Codes with the camera flash
2. Serve as a Torch

The Morse Code functionality might be useful when you are lost in mid ocean and need to...

 

Hi,

Below some sample code to show directly Turn by Turn navigation instead of map:

Sub ShowNavigation (Latitude As String,Longitude As String)
'google place, just show map
Dim...

 

The attached C# project, implements the new stream protocol of AsyncStreams.
Relevant tutorials:
AsyncStreams Tutorial
FileTransfer - Send and receive files with AsyncStreams...

 

Android 5.0 Lollipop is a pretty big update hence the major version number upgrade.
I wanted to make a thread to combine Android 5 SDK related resources since it is such a big update.
At the...