Tutorials & Examples

One of the challenges that developers of any non-small Android app need to deal with, is the multiple possible entry points.

During development in almost all cases the application will start from...

 

See here: https://firebase.googleblog.com/2018/09/handle-fcm-messages-on-android.html?linkId=57036840

There are 3 types of messages you can send combined with your app's state (fore- or...

 

I developed a class (compiled in library) that makes use of Typeface.MATERIALICONS, but when I tried using it there was this error:

java.lang.RuntimeException: Font asset not found...

 

This solution is compatible with B4A, B4J and B4i.

Up until now there were two ways to send emails:

1. Using the default mobile app which required the user to actually send the message...

 

Starting from Android 5 (API 21) there is better support for kiosk applications.
Kiosk applications = applications that...

 

When you join a forum you have to define a username and type in your email address and a password. After that you receive an email to finish the registration. Today I want to show the process how...

 

Hi everyone:

After several test, now I can use the jSignature javascript plugin I was using in my web, in my B4A app, in order to update my database from b4a the same way I'm doing in my web. I...

 

When using an online repository such as GitLab, you can add a file named ".gitattributes" with the following content:

*.bas gitlab-language=vb
*.b4j gitlab-language=vb
*.b4a gitlab-language=vb...

 

I found it hard to find a solution to a problem that I think someone else could have
if you leave a service running with:

#StartCommandReturnValue: android.app.Service.START_STICKY

or

...

 

Dialogs v4 is an extension to @agraham original dialogs library. It requires B4A v7+.

The main changes are...

 

I was busy with a project and wanted to allow users to enter their own Key/Token via the B4A manifest file and then have access to the key/token via B4A code. I did a quick search and could not...

 

Hey guys!

This forum and Basic4Android has helped my career prospects greatly, so I thought I'd try and do something useful...

As some of you know, I've been working on an Android Launcher or...

 

The app I'm building will allow the user to configure a series of timed actions, then execute them in order using "play" controls looking much like a music player (play/pause, skip...

 

A few days ago I've helped a developer with implementing a MJPEG client: https://www.b4x.com/android/forum/threads/73702/#content
It was a good experience as while implementing it I've...

 

Hi everyone !

I would like to share my own way to manage multi languages for my Android App.
I'm sure there are more than one method to do it, I just want to share mine.

This functionnality is...

 

UPDATE

Please ensure you use https:// to call the Google fcm api. "Out of the sudden" one of my apps didn't work anymore

$ch = curl_init();
        curl_setopt(...

 

This is an old tutorial. I recommend to instead watch the visual designer video tutorial: https://www.b4x.com/etp.html

There are several features in B4A that help you target Android...

 

Edit: Tutorial about BitmapCreator performance: https://www.b4x.com/android/forum/threads/b4x-bitmapcreator-maximizing-performance-with-bc.93907/


I made some tests to better...

 

Ciao a tutti, ho creato un nuovo corso rivolto a chi già si muove un po con B4A e non è proprio alle prime armi. Il...

 

[UPDATED]

Lately I've fallen into the habit of using Not instead of <> for Boolean comparisons - eg: Not(a = b) instead of a <> b. I'm not sure why I started doing this - probably because I think it...