Tutorials & Examples

Introduction

I've been developing mobile application for over 25 years (Telxon, Symbol, Windows Mobile, Xamarin, CF.net). Up until now the barcode scanners were integrated into the mobile...

 

Here is the example of SlowMo video capture using Camera2 API and CamEX2 class. This is the code for recording slow-motion video which you can find at the bottom of CamEX2 Class of attached...

 

After reading so many threads from new 'member' s , I feel that we have to make humble request to all new members :

Do not start a B4A project before you read the guides....

 

This tutorial is relevant for B4A and B4J.
During compilation B4A generates Java code which is then compiled with the Java compiler and converted to Dalvik (Android byte code format).
There...

 

Better implementation based on B4XPages:

[B4XPages] Bluetooth Chat Example

Updated implementation, based on B4XPages of https://www.b4x.com/android/forum/threads/android-bluetooth-bluetoothadmin-tutorial.14768/#content. The code is much simpler compared to the previous example. Note that you can call Serial.Listen without making the device discoverable. This is useful...

www.b4x.com

Tutorial was rewritten in April 2018.
We will create...

 

B4XImageView is a new custom view, added to XUI Views v2.40.

It adds several useful resize modes to the standard ImageView:

(Images source...

 

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

 

The attached project (VariousUtilities.zip) has a large number of Bitmap and String Utilities. There is also a utility that lists the sensors of your device in the Log. Three B4A classes are...

 

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This video takes you through the process of creating onboarding...

 

This is an old tutorial. It will not work on new versions of Android. You should either generate a random value when the app starts for the first time or use the advertising id...

 

We are delighted to announce that our best-selling book "B4A Rapid Android App Development using BASIC" is now available in Spanish...

 

Hello World!

Extra Samples of ARV will be posted here from now on ?

Samples :

• Google Play
• Youtube
• ScalingParallax...

 

In the thread BT Pages Example, a new version of the BT example was created using Pages. Since I'm just looking at Pages for the first time, I popped the new and old versions into a code...

 

Even though I don't know enough to help people with B4A code, I thought that I would give back what I can and share an IDE theme with you.

I ported one of my favourite VS Code themes, Night...

 

Finally, I got my project completed. I learnt a lot of things about Android from this community. This community has generously provided source code to various UI's and more, without which I would...

 

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

With the ACToolBar(Light|Dark) object we can get access to the Menu object of the activity. This opens the possibility for modifyable...

 

It's recomended to use a real device or the Android SDK included emulator.

But if you for some reason want to use NoxPlayer as emulator it is easy!

Alternative 1 - Connect B4A IDE directly to...

 

I'm opening this thread to collect tricks and caveats I'm coming across while converting my projects to B4XPages

CallSub from Service
Looks like a service that is started at boot may...

 

ETP is a series of video tutorials about B4X. The purpose is to allow developers with any programming experience, including no experience, to learn how to program with B4X.

The videos are...

 

Data source: https://ourworldindata.org/coronavirus-source-data

Cross platform example based on B4XTable and xChart...