Tutorials & Examples

Hello to you all,
Welcome to Sheldon Coopers and Amy Farrah Fowlers fun with flags

Here is a simple example on using B4XPages with both an SQLite database and also a CSV file with multiple...

 

Hey everyone,

This is a tutorial on how you can add In App Purchases to your Android App in the New Google Play Console.

1) Add GooglePlayBilling library in your project and the following code...

 

Here i'll post one or two examples showing how to use the DownloadManager library.

DownloadManager simple example.
Here's what must be the most simple way to use DownloadManager...

 

I know it is simple info for experts, but it is critical point for who want to start using B4XPages projects:- B4XPages project is for cross-platform development, that is mean when created; all...

 

Regular expressions are very powerful and make complicate parsing challenges much easier.
This short tutorial will describe the usage of regular expressions in Basic4android.
If you are not...

 

Great tutorial about building MQTT topic:

MQTT Topics, Wildcards, & Best Practices – MQTT Essentials: Part 5

Learn about MQTT Topics, naming conventions, MQTT $SYS topics, MQTT Prefix, MQTT Topic Wildcards, and more in this MQTT Essentials article.

www.hivemq.com

 

NFC v2.00 adds support for low level access to the NFC features. This allows reading and writing from NFC tags.

The NFC library provides three features:
- Reading Ndef tags based intent filters...

 

This is a calendar manipulation class based on @DonManfred 's explorations which you can find at...

 

The Launcher icon always shows as 48x48 dip, but when translated into pixels on screens with different resolutions, this can become 48, 72, 96, 144 or even 192 pixels square. You should ideally...

 

Searching the internet I found a service that allows you to convert any google sheet into a json api, it has a free version that allows you to consult and add data, connecting to the api is quite...

 

Tasker is a pretty legendary app that allows you to automate everything on your phone:
https://play.google.com/store/apps/details?id=net.dinglisch.android.taskerm

Developer reference...

 

This is for advanced users only. Please see Erel's important cautions about using this approach below.

This post and examples demonstrate how to extend B4XPages to allow orientation...

 

The attached project is a port of this example: [Server] Google Charts service to Basic4android.
A similar example with more charts is available here...

 

You can find the OSMDroid library thread here: http://www.b4x.com/forum/additional...tes/16309-osmdroid-mapview-b4a.html#post92643.

AIM: Create and initialize a...

 

the huawei map kit will hopefully be integrated into the B4A soon..

i have opened a topic here, and huawei teams will provide support...

 

B4XCollections v1.13 includes a new sorting feature named B4XComparatorSort.
This feature allows sorting using a custom comparator class.
The comparator class is a class that you create and it...

 

Last weekend I migrated my XAMPP test environment (Apache/PHP/MySql). It came with PHP 7.x. Yesterday I wanted to test one of my Apps using AES and Mcrypt for it in PHP but it didn't work no more...

 

You download a project from the forum and when you run it, you get an error message similar to:

B4A Version: 10.2
Java Version: 8
Parsing code.    (0.11s)
Building folders structure...

 

Hello team,

If you recieved an email about submiting Data Safety form at Google Play Console and your apps using Admob, you can watch this video to guide you.

More infos you can find...

 

Sometimes it is really annoying to have keys we use so often to be lying in most inaccessible parts of keyboard.
And to make the matter worse they might also involve combination of shift etc...