Tutorials & Examples

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...

 

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...

 

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...

 

I've made this (new thread) post because I just went through all of this and scoured these forums and the Internet and could not find any complete step-by-step instructions that worked, and the...

 

Newer example: [B4X] [B4XPages] Intent based camera

This example uses an intent to take a picture with the default camera app.

It is based on this tutorial...

 

Yesterday I have found out something searching in Google and checking it, it seems that it worked for me (until ipv4 is deprecated). So this is by 50% a tutorial and by 50% a request for other...

 

Immersive mode means full screen mode where the navigation bar is also hidden.

The user can bring back the bars by swiping near the edges.

The required steps are:

1. Call setSystemUiVisibility...