Tutorials & Examples

Your apps will run on OUYA just fine, normally.

It has no sensors. This includes microphone (so no voice recognition), gyroscope, compass, accelerometers, orientation, light. It has nada. It...

 

Ya can do it like this.

Add a webview to your design, lets call it WebView1

make a file initially called whatever, banner1.txt in the Files folder of your project open it in notepad and write...

 

Very kind of JonPM to provide us with this, there are nearly always helpful people on this live chat who can help you with your problems instantly!

B4A Chat

 

Hi everyone,

For the last 10 hours, I browsed every threads in "Share your creations" because I wanted to gather a lot of source code. About 1/6 of the posts actually have source code shared...

 

With thanks to NJDude who helped me with the designer script.

Say you have a function or a class that isn't working right and you need some help from the forums. Its a good idea to include a...

 

Works fine but the timer keeps cutting off in my rather big and complex app.... oh well I'll have to figure that out then.

Still perhaps useful to some.

You send it a number of milliseconds like...

 

Hello,


I'm here to convince you to use HorizontalScrollViews instead of labels in your interfaces.


Labels get messy when you need them to display a string of indeterminate length within a...

 

I have installed the trial (b4a-trial.exe 3215KB) on WinXP and get error :
"The application failed to initialize properly (0xc0000135)"
Can somebody help?
thks

 

Hi,

i would like to share a code to transform and compress a database of MySQL to SQLite. I use it in Cron (automated task) to create a clone of my main database. It's hard to find a real good...

 

Edit: please see the updated tutorial: https://www.b4x.com/android/forum/threads/62488/#content

Starting from v2.70, the visual designer supports custom views.

Note that the WYSIWYG...

 

Starting from v2.70, Basic4android includes a warning engine. The purpose of the warning engine is to find potential programming mistakes as soon as possible.

The warning engine runs whenever you...

 

B4A: Getting Started for Delphi Developers

Borland introduced the Delphi programming environment in 1995. At the time Delphi was a revolutionary new tool for Microsoft Windows-based application...

 

Introduction

This final tutorial has some explanatory comments about the two programs running on the Arduino and the Android device. Those programs should be largely self-explanatory as...

 

What is this?
As the title suggests, this tutorial shows you how to select an android theme based on what version of Android your app is run on.

Why do I need this?
You don't, but...

 

One of the new features of Android 4 is the more powerful recent apps list. The user can remove tasks or applications from the list with a swipe gesture.

The result of this action is not fully...

 

Introduction

The big day has dawned at last. We are now going to connect our Arduino to our Android device and get the two to talk to each other and to their own IDE on the PC...

 

To have the Git Version Info embedded in your B4A application it is necessary to do several steps.

1. Copy a batch file (gitv.bat) to a location in the path you are using.
2. Get and install the...

 

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...

 

Introduction

This tutorial deals with installing the Arduino IDE onto the PC and ensuring that we can compile a program. We are following the “Installing the Arduino software and necessary...

 

Introduction

This is one of a series of tutorials about using the Arduino Mega ADK microcontroller with Android devices

There already exists a Basic4android library for the IOIO...