Tutorials & Examples

This Tutorial belongs to the Dropbox SDK V2 - Java Library

See this thread for preparing your app to use this Library.
Especially the Manifest-Entry...

 

[B4X] [XUI] AS Draggable Bottom Card

This is my 2k'th post on this Forum and i want to share a nice library with you i made some months ago. It was not easy to create this library, it took many hours of testing and programming to make the user experience as good as possible. If you want to support me, then you can do this here or...

www.b4x.com

    'DragIndicator
    Dim xpnl_DragIndicator As B4XView = xui.CreatePanel("")...

 

This is a request from one of my subscriber. She is to develop an app to
1. Use Database to keep records
2. Add, Delete and Update DB
3. Create User Interface using any control available (UI)
4...

 

Hello, I intend to share my knowledge using B4XPages through this beginner tutorial. Please subscribe and share.

Part 1 - Getting Started with New Project

Part 2 - Adding...

 

[B4X] [XUI] AS ViewPager based on xCustomListView

Hey, thanks to @KZero for his good zPager class, i was able to extract a few things from it to make this cross platform view. I spend a lot of time in creating views, some views i need by my self, but some views not and to create a high quality view cost a lot of time. If you want to support...

www.b4x.com

A small example project on how to achieve endless scrolling in both directions with the as...

 

[B4X] Supabase - The Open Source Firebase alternative

Supabase is an open source Firebase alternative. It provides all the backend services you need to build a product. Supabase uses Postgres database with real-time capabilities. Basically, supabase provides an interface to manage postgres database that you can use to create table and insert, edit...

www.b4x.com

This is a very simple tutorial on how to use the Realtime module. A more detailed...

 

[B4X] Supabase - The Open Source Firebase alternative

Supabase is an open source Firebase alternative. It provides all the backend services you need to build a product. Supabase uses Postgres database with real-time capabilities. Basically, supabase provides an interface to manage postgres database that you can use to create table and insert, edit...

www.b4x.com

LIMIT and OFFSET allow you to retrieve just a portion of the rows that are generated by...

 

[B4X] Supabase - The Open Source Firebase alternative

Supabase is an open source Firebase alternative. It provides all the backend services you need to build a product. Supabase uses Postgres database with real-time capabilities. Basically, supabase provides an interface to manage postgres database that you can use to create table and insert, edit...

www.b4x.com

You can order by just one column, or with multiple columns.

Available sorting commands...

 

I was thinking how can I realize what is mentioned bellow for helping a friend with no computer for now, without waiting for it to happen (if ever - no offense @Erel but I know you are busy)...

 

After the release of the new grandiose DJI library and the preliminary work of freedom2000 and JordiCP in this thread...

 

The attached project is a porting of the B4X_SQLiteLight2 project which is included in the B4X SQLLite database booklet.
It uses as much as possible XUI objects and common code.
Tested with...

 

Hello,

(this is not a full tutorial, just a overview of this 2 tools)

I wrote my first animation in a app and with no idea what im doing i was running poorly...

While debugging i struggled with...

 

[B4X] Supabase - The Open Source Firebase alternative

Supabase is an open source Firebase alternative. It provides all the backend services you need to build a product. Supabase uses Postgres database with real-time capabilities. Basically, supabase provides an interface to manage postgres database that you can use to create table and insert, edit...

www.b4x.com

In this example, we will take a look at how we can implement authentication using Apple...

 

Hi all.
I found this example in some old folders on my pc and decided to share here.
it is a simple example of login and register using tcp and mysql db

B4J = Server
B4A = Client
DB = MYSQL...

 

[B4X] Supabase - The Open Source Firebase alternative

Supabase is an open source Firebase alternative. It provides all the backend services you need to build a product. Supabase uses Postgres database with real-time capabilities. Basically, supabase provides an interface to manage postgres database that you can use to create table and insert, edit...

www.b4x.com

This is a very simple tutorial on how to use the CRUD options. A more detailed tutorial is coming soon...

 

For whom interested .. MQTT brokers list:

GitHub - Lightstreamer/mqtt-awesome-mqtt: A curated list of MQTT related stuff. :sparkles:

A curated list of MQTT related stuff. :sparkles:. Contribute to Lightstreamer/mqtt-awesome-mqtt development by creating an account on GitHub.

github.com

 

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

The code is much simpler...

 

Posted in the B4J forum: https://www.b4x.com/android/forum/t...-clv-with-sub-items-similar-to-a-tree.155113/

 

I wanted a freeware pdf viewer without ads, tracking, data collection, and what have you. Besides, it wasn't obvious (to me at least) how to make an app that would be offered as default to open a...

 

Two people have complained that the EPUB version of the B4A-Rapid book version 12-50 is corrupt.
We have not been able to reproduce any errors.
We can read the EPUB on a Windows 11 PC using...