Tutorials & Examples

Full list of B4J Server Examples:

https://b4x.com:51041

If there are other online tools that simplify programming with B4X...

 

A simple, cross platform example that reads data from a database and adds it to a xCLV.

Database source: https://www.sqlitetutorial.net/sqlite-sample-database/

The...

 

Here's an example how to generate a QR code containing a RSA Public Key (can be any data you need) in B4J and scan/load the key in B4A (based on the B4x QR code examples from Erel).

Some apps...

 

Better to use BitmapsAsync: https://www.b4x.com/android/forum/threads/b4x-bitmapsasync.119589/#content


Example of showing online images, which are downloaded from...

 

I would like to list here and give some tips where I get my design ideas for the apps I develope.

1. Very simple, for example i want to design a Bottom Card, then i type on google images...

 

Hi,

I decided to post this working example in the hopes that it can be useful to some people, and also maybe eventually someone will update it. I find database one of the most useful things in...

 

Download :

FlutterInterface

 

This is an update to this code to use the native ads with the new lib FirebaseAdmob2 and new Mobile SDK (20).
Thanks to @Erel for the help in the related threads in Android...

 

In this example you can find a short example which shuffles a playlist (mp3´s for ex.).
Here i´m using the alphabet (A to Z)

Sub Process_Globals
    'These global variables will be declared...

 

Hi there,

Having asked a lot of questions on the forum and received very helpful responses, I thought I would try to give back a little bit!

I've seen several questions about the B4X Combobox...

 

Hi. here is my code. it's a double joystick to can control things trough bluetooth. I made some things in Arduino:


https://github.com/xakko/camioncito

With BT with...

 

The media provider provides an indexed collection of common media types, such as Audio, Video, and Images, from any attached storage devices. Root permission is not required.

 

New feature added in B4A v10.0, B4J v8.50 and B4i v6.80. It will also be added to B4R.

Code comments can include clickable links...

 

B4XPlusMinus is a cross platform control introduced in XUI Views v2.05: https://www.b4x.com/android/forum/threads/b4x-xui-views-cross-platform-views-and-dialogs.100836/...

 

Ola

CLASS

Class - Animation - Animatedarrow - Focus The User Attention [b4x] [xui]
Class - Audio/video - Mjpeg Decoder [b4x] [class]
Class - B4x - Bytesbuilder - Simplifies Working...

 

Ola

Below is an overview of everything posted by Erel based on Walt's B4X Goodies. Hope it helps someone. We updated the OverView Creator to be now based on BANano, here is the post...

 

dear all,
i am newbie in b4a, I would like to know if anybody had written a sample program which using cpcl (mobile thermal printer) (for example zebra rw420/zq520) to do printing from b4a apps...

 

With newer Android versions came more options for power saving and permissions we have to deal with. There are a lot of threads about FCM messages not arriving or beeing delayed. Here's a small...

 

I have been looking for ages for a suitable music renderer to use with Android, I looked at ABC4j, but it is built for Swing views and is not an easy port for Android.

I recently came across ABC...

 

B4XPages is a library that serves two purposes:

1. Make it simple to develop B4A apps by solving almost all of the challenges involved with Android complex activities life cycle...