Tutorials & Examples

[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...

 

Hello all,
I've noticed 2 or 3 posts about not being able to uninstall a kiosk app because android:testOnly is missing from the manifest file, it's not in Erel's example.

If you just add the...

 

[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 - MQTTCool/awesome-mqtt: A curated list of MQTT related stuff. :sparkles:

A curated list of MQTT related stuff. :sparkles:. Contribute to MQTTCool/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...

 

Blue Stacks 5 adb connection is now more difficult for Android developers. It now randomly chooses the ADB port number every time it starts up. For those of you using Blue Stacks to develop, here...

 

Here is an app I knew it existed but I had never dared until now to try it and I regret this deeply. It is Postman. With this app available both on-line and as a local app (photo) you can check...

 

1. I use StringUtils library to import the CSV text file into the SQLite table. There are other ways to import like, such as CSVParser class module, RegEx.Split and TextReader, although TextReader...

 

[B4X] [XUI] AS CardSlider

A simple card slider with advanced customization options. I spend a lot of time in creating views, like this and to create a high quality view cost a lot of time. If you want to support me and further views, then you can do it here by Paypal or with a coffee. :) SideGap The width in dip, how...

www.b4x.com

Code

Private Sub B4XPage_Created (Root1 As B4XView)
    Root = Root1...

 

[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 storage file options.

Upload File...