Tutorials & Examples

Hi to all
Based on this link https://www.b4x.com/android/forum/threads/b4x-cross-platform-chat-layout-example.112649/#content
I have added MQTT.
It's a simple example that I want to share...

 

Google never seizes to surprise us and its latest miracle is the following:

In order to fix this no matter if you have an EmailList set with the testers I have done two things. I do...

 

This is a example how to use the AS_TabMenuAdvanced together with the ASPopupMenuAdvanced.

For this example you need the 2 libs...

 

This applies to Google Billing V4.

I was following the tutorial to add in app billing to my app and I found that it would not work in test...

 

Searching the internet I came across this site that cumulates all the necessary data for the B4A developer:

Android API Levels

A quick reference table of Android versions with SDK & API levels, version codes, codenames, cumulative usage, and more.

apilevels.com

 

This is a small example to demonstrate what is possible with the beautiful view...

 

This Tutorial is how to use the free service from fixer.io
in your own apps.

Fixer.io is a free JSON API for current and historical foreign exchange rates published by the European Central...

 

The soon to be released versions of B4A, B4i and B4J include a new feature named: designer script extensions. The new feature allows calling B4X code from the visual designer scripts.
Note that...

 

Hi,
I played around with push notifications based on Firebase Cloud Messaging (FCM).
I followed the tutorial at...

 

Well, from today I am here to help you create more beautiful applications.
B4X Family is a wonderful yet very simple tool for designing functional and beautiful applications
I have been acquainted...

 

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...

 

hi i make a simple code using the google and intent *-*

This code is very very simple and call the native crop later save the image
with native camera or galery

#Region  Project Attributes...

 

[B4X] [XUI] AS TabMenuAdvanced

A container view controller that manages a multiselection interface, where the selection determines which child view controller to display. This view was developed and structured from scratch :) i spend a lot of time in creating views, some views i need by my self, but some views not and to...

www.b4x.com

 

This is a example how to use the AS_TabMenuAdvanced together with the ASPopupMenu.

For this example you need the 2 libs...

 

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

 

Polyline in JPCT-AE is unable for using by standart methods. But, by Ricardossy1, in his post: Ricardossy1 post, was described way for solving problem.
I was needed for Polylines in my...