Tutorials & Examples

DISCLAIMER:
This tutorial is written without testing code. There may be bugs, but try to understand the process, not copy the code.


An intent is a way for different applications...

 

Updated instructions are available here: https://www.b4x.com/android/forum/threads/adaptive-icons-simple-instructions-and-tips.123843/

Starting from Android 8 apps should include an...

 

Hi all.
I found this example in some old folders on my pc and decided to share here.
it is a simple image upload example with postmulipart and PHP.

Download Here 700kb

 

I am happy to announce that the English version of the B4A tutorial and reference book "Rapid Android App Development using BASIC" by Wyken...

 

Edit: Don't use this code. Use B4XTableSelections class instead:

[B4X] B4XTableSelections - extended selection modes for B4XTable

B4XTableSelections extends B4XTable and adds new selection modes: SINGLE_CELL_TEMP - this is the built-in selection mode. Unlike the other selection modes it disappears automatically. SINGLE_CELL_PERMANENT - selection of a single cell. SINGLE_LINE_PERMANENT - selection of a single line...

www.b4x.com

This...

 

I had issues when i did an animation like clicking on a button and shrink it that if you click twice on it it will perform 2 times or more the animation you want to do or if you start a task that...

 

Original tutorial: Immersive Mode - hide the navigation bar (by @Erel )

So the above tutorial works for those devices which do not have a Notch. Devices with a notch will...

 

Using the hooks feature it is possible to change the Activity theme at runtime.

The theme is set before the activity is actually shown. This means that in order to change the theme we need to...

 

Use instead: AdsHelper extends FirebaseAdMob2 / Google Mobile Ads v20.0+

More information: https://developers.google.com/admob/android/eu-consent
By default, AdMob serves...

 

I want to control my Onkyo TX-NR676 Receiver from my Music Program (Turn On, Set Volume, Set Listening mode, etc) so I created this little test program to figure out what I needed to do.

In case...

 

B4A Convertidor de Numeros a Letras

 

This is another example of GameView: GameView - Create 2D Android games - Part I

This is a simple "jumping" game where the user controls the movement by tilting the device...

 

hi,

this is a simple example that shows how you can use a scrollview and create a photo gallery.

(source code is included)

have fun

 

This example implements a simple "walkie talkie".

(src: wikipedia)...

 

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

 

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

In the first Material Design tutorial we created a simple app with Material Design for Android 5.0 (Lollipop) devices. But what about...

 

This is an example of choosing a phone number from native android contacts picker.

 

GoogleTasks are a Task list (ToDo List, Shopping List, whateveryouwant list)

In this small Tutorial i want to share my findings while i played around with GoogleTasks. In fact i´m not...

 

I share this little code to handle translation within the app

regards

 

Hi all,

I see a very nice book for programming PI, Arduino and more with B4A

I hope somebody like this...