Tutorials & Examples

The B4X documentation booklets are available in PDF format, Download Link.
All files are included in the zip file in the link above, pdf booklets and all the source code.

You can also...

 

Many things have changed in B4X and also in the underlying platforms. I will try to list here all kinds of (old) features that have better alternatives.
B4X is backward compatible so these...

 

"Code smells" are common patterns that can indicate that there is a problem in the code. A problem doesn't mean that the code doesn't work, it might be that it will be difficult to maintain it or...

 

In the early days of Android services were simple to use and powerful. They allowed doing all kinds of things in the backgrounds with very few restrictions. That's not the case with newer versions...

 

Well,

As JamesGreaves requested,
"So do you not think it would be of value to have even something like @walt61 has created but online?"...

 

This tutorial assumes that you already have FirebaseAdMob2 implemented in your app.

Implementation is tested in native Android app, not in B4A. You can test it if you want.

You need to...

 

If you want to check if the application is running on a Chromebook (for example to do some specific GUI reconfiguration to run in a resizable Window), you can use the following routine.
Hope it...

 

Updated implementation, based on B4XPages of https://www.b4x.com/android/forum/threads/android-bluetooth-bluetoothadmin-tutorial.14768/#content.

The code is much simpler...

 

The old version of this social network can be found in this link: https://www.b4x.com/android/forum/threads/social-network-created-by-b4a-chat-included.136071/

After several times of work...

 

if you want to build instant music in apps from single sounds, it is important that the samples are absolutely synchron and perfect in timing. So you should send one single stream to the system...

 

Hi guys,

how to use :

1. copy the starter into your project

    If Starter.GPS1.GPSEnabled = False Then
        ToastMessageShow("Please enable the GPS device.", True)...

 

** This is the only option to enable location services from inside your app. **

Example was updated and is based on B4XPages.
Don't miss:

1. ShowResolutionDialog sub that is added to Main. It...

 

It is surprising how often the basics get missed, when embroiled in heat of battle of programmer vs hardware, operating system, complex apis and libraries, etc.

I have found that whenever my BLE2...

 

Step 1. Copy the adb file path

- Locate the adb file in the SDK folder.
- Copy the adb file path

Path example: C:\B4A\sdk\platform-tools

Step 2. Connect the B4A adb with the emulator IP

- Open...

 

Example of showing a Google map, in a cross platform B4XPages project. The APIs of the three GoogleMaps libraries are quite different from one another, so we need to use platform...

 

Check this out!

sheetai.app which helps use ai in google sheets, just ask it and done!

Quick Demo:



Tutorial:

 

B4A-Bridge is made of two components. One component is running on the device and the other is embedded in the IDE.
The device side is the server side. It waits for connections and when a...

 

Simple example of a foreground service that keeps the process running in the background. The current location is shown in...

 

UPDATE: AFTER READING THIS POST, PLEASE REFER TO POST#5 FOR A BETTER SOLUTION (AT LEAST, IN MY OPINION).
a code module provided by member Ivica Golubovic allows you to continue using...

 

Could some Java guru kindly convert the following codes into B4A code for me, if possible, please? I would greatly appreciate it!

I'm looking for a reliable solution as a background service...

 

I am happy to announce that both the paperback and electronic versions of the B4A tutorial and reference book “B4A Rapid Android App Development using BASIC” by Wyken Seagrave have...

 

This is an example project to demonstrate what is possible with the beautiful ASWheel. From version 2.0 it is possible per function animated (also possible without animations)...

 

We needed to do some word-wrapping re: this thread and figured I may as well post my tawdry effort in case anybody else is looking for ideas or code to hang s**t on

It has some niceish...