Tutorials & Examples

I think CustomViews are great addition to B4A, one of it's best features, and a fantastic way to increase productivity, reuse code, and add intelligence to the views we use.

The ability to add...

 

1. Looking for application sample b4A to send and receive text messages (chat system) over blue tooth between two mobiles

2. Looking for application sample b4A to receive messages and reply over...

 

This is just some simple inline Java code to check if a device has a Back facing camera, a Front facing camera, and a Flash (it requires the JavaObject library to be enabled).

...

 

As B4R (Arduino) will soon be released, I've made a short video that shows some of the communication features available in B4X.

Make sure to watch it in HD mode:


The source...

 

Hi Guys

I would like to share with you something that most of you maybe allready know but also if there are some people that still dont know that, it could be very helpfull for them.

There are...

 

This has plagued me for months... (drove me nuts!)

I would try to insert a record in a table within an activity (using CallSubDelayed2) - then start another activity and presented with a Black...

 

p/s: i have uploaded patch file audio.xml

you must replace this file to your core library folder
(Exam: C:\Program Files (x86)\Anywhere Software\Basic4android\Libraries)

Thank @Erel and...

 

For those having problems with the Android Videoview, here is a possible alternative that may be worth trying.

It's a javascript open source HTML5 video player for playing videos in a webview...

 

Hi there

I've just finished my first try with UDP, wow. With the attached code I have managed to get the app installed on two different android devices, connected them to the same wifi...

 

Attached project draws a circular bitmap within an imageview including an adjustable border (colour and width) around the image. Making use of inline java code. Only JavaObject V2.01 required...

 

Have done this purely for the fun of it. The project uses 70 ASCII characters to generate an ASCII ART image from the bitmap. The ASCII ART image is actually a label with the label's text set...

 

This has been requested a couple of times on the forum and to get the ball rolling, here is an example of accessing the javaFlacEncoder with Javaobject.

Files and documentation are available...

 

Hi guys!

Here's a minimalistic libGDX template which can be useful when starting a new project.
It includes a background, a title and an array of objects. It does not include any...

 

In ChitChat...

https://www.b4x.com/android/forum/t...s-explorer-finder-using-smart-disk-pro.60980/

Regards

 

The attached project has 10 classes that create the following 1D and 2D barcodes:

1. QR Code - 2D
2. Datamatrix - 2D
3. Aztec Codes - 2D
4. PDF417 - 2D
5. Code 128
6. EAN8
7. EAN13
8. Code 39
9...

 

I am going to do this example in (at least) two posts. @BarryW has asked me about password protected QR codes - so, here we go.

The attached B4A project has two classes (all with the code...

 

This is what I have done to be able to control the width/height of the scanning window in Nelson's project posted at...

 

First up, there is a fantastic library called 'Social API SDK Wrappers' written by a guru 'Periklis Koutsogiannis'. If you need Facebook or any other social media related integration, please...

 

It wraps part of this Github project. Library files are in the /files folder of the B4A project. Copy them to your additional library folder. Posting the zipped B4A project as well as the...

 

I wasn't sure were to put this, its simply a dev tool I built to view all the available drawables, as defined at http://androiddrawables.com/.

I built this small tool for myself, but...