Tutorials & Examples

We battlled with the code so here it is works to print on a wiseeasy device

#Region  Project Attributes
    #ApplicationLabel: B4A Example
    #VersionCode: 1
    #VersionName...

 

This is an example of creating a custom parser for...

 

When I was writing the b4xlib library, I encountered complicated steps, and I needed to decompress and compress the b4xlib file (zip format) frequently.

So I wrote this tool to automatically...

 

The GNSS library replaces the old GPS library. The GNSS library is available here: https://www.b4x.com/android/forum/threads/gnss-library-an-updated-gps-library.109110/#content...

 

[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...

 

This is an example of how some apps like file managers, antivirus and other apps that depends on access to DirRootExternal to create folders, create files and read files from the Root of the...

 

There are some examples on this forum for
1. saving Webview content as Bitmap,
2. creating PDF file using Printing library and
3. opening or sharing the PDF file to WhatsApp using...

 

[B4X] PocketBase - Open Source backend in 1 file

PocketBase was created to assist building self-contained applications that can run on a single server without requiring to install anything in addition. The basic idea is that the common functionality like crud, auth, files upload, auto TLS, etc. are handled out of the box, allowing you to focus...

www.b4x.com

Please read the official documentation about deleting files in pocketbase...

 

[B4X] PocketBase - Open Source backend in 1 file

PocketBase was created to assist building self-contained applications that can run on a single server without requiring to install anything in addition. The basic idea is that the common functionality like crud, auth, files upload, auto TLS, etc. are handled out of the box, allowing you to focus...

www.b4x.com

If you develop with B4J with Pocketbase, then you simply enter the localhost address...

 

Here is a modified example where the web api server excepts XML payload.
Required latest WebApiUtils v3.05 and MiniORMUtils.

Change the URL to server

Private URL As String =...

 

Hello,

UPDATE

This version includes Multiline Support and Guaranteed functionality. The last version had a lot of bugs, that new example is more mature.

At the moment, I'm...

 

Could some Java guru kindly convert the following codes into B4A code for me, if possible, please? I would greatly appreciate it!

I'm looking for a reliable solution as a background service...

 

[B4X] PocketBase - Open Source backend in 1 file

PocketBase was created to assist building self-contained applications that can run on a single server without requiring to install anything in addition. The basic idea is that the common functionality like crud, auth, files upload, auto TLS, etc. are handled out of the box, allowing you to focus...

www.b4x.com

Please read the official documentation about auth in pocketbase...

 

[B4X] PocketBase - Open Source backend in 1 file

PocketBase was created to assist building self-contained applications that can run on a single server without requiring to install anything in addition. The basic idea is that the common functionality like crud, auth, files upload, auto TLS, etc. are handled out of the box, allowing you to focus...

www.b4x.com

Please read the official documentation about storage in pocketbase...

 

SQLite has the string function Instr, which finds the first occurrence of a specified string in another string.
There is no InstrRev function though to find the last occurrence of a string within...

 

[B4X] PocketBase - Open Source backend in 1 file

PocketBase was created to assist building self-contained applications that can run on a single server without requiring to install anything in addition. The basic idea is that the common functionality like crud, auth, files upload, auto TLS, etc. are handled out of the box, allowing you to focus...

www.b4x.com

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

 

I would like to contribute to the never-ending question of how to load local HTML files into a WebView. The reason are the following recently asked questions (here and here by...

 

[B4X] [XUI] AS Settings

Introducing a new library that allows you to create your own settings page with minimal code. This library comes equipped with automatic saving and loading features, making it incredibly easy to manage your settings. It supports booleans, free text, numbers, comboboxes, action buttons and more...

www.b4x.com

With this property you can add your own view or layout

In the following example, I add a B4XImageView to...

 

[B4X] [XUI] AS AutoComplete based on AS SelectionList

This is an AutoComplete view, which is compatible with B4XFloatTextField, AS_TextFieldAdvanced, EditText (B4A), TextField (B4i) and TextField (B4J) 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...

www.b4x.com

In this example I will show you how you can use your own data source and also display...

 

This is an example of how to make one of the pages show without the action bar while the others do show it.

Note that usage of IME in the main activity, to find the action bar height.

In each of...