Tutorials & Examples

Print Made Easy

• By Hamied Abou Hulaikah
• Jul 25, 2023

After understanding this approach, printing will be painless for you forever.

Requirements:
- Any pdf file generation tool, I used HtmlToPdf lib.
- Any base64 converting tool, I used...

 

Last edited: Jul 25, 2023

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Background location tracking

• By Erel
• Nov 29, 2018

Simple example of a foreground service that keeps the process running in the background. The current location is shown in...

 

Attachments

• MyLocation.zip

  9.3 KB · Views: 944

Last edited: Jul 16, 2023

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android.jar / targetSdkVersion / minSdkVersion

• By Erel
• Dec 24, 2017

There are several versioned components that affect the compilation process and the runtime behavior of our apps.
The purpose of this tutorial is to explain the differences between them and help...

 

Last edited: Oct 18, 2023

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Share a PDF with a specific WhatsApp number.

• By Zirfer
• May 16, 2023

Hi everyone, i've been working with B4A since 2016 or maybe 2015 and today, after a request from a client. I needed to send a PDF to a specific number in whats app.

After two days, i finally...

 

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B4X Object Browser - new thread

• By Vader
• Jan 26, 2020

Hi. Please place any new questions or comments about the B4X Browser here.

 

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BBCodeView Example (Non B4XPages Version)

• By superkan
• Jul 1, 2023

The standard example just converted. Don't know If someone did it before (so far). Might be happy to remove this post.

 

Attachments

• BCTextExampleNonPages.zip

  22.9 KB · Views: 163

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Full Chat (NovaChat)

• By Serge Nova
• Sep 16, 2021

Download the Library for free here : Download

 

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💡 Part 2 Examples - Creating long lists using xCustomListView with Lazy Loading - Newer developers

• By Peter Simpson
• Feb 10, 2020

Hello All,
If you're not experienced with using xCustomListView (xCLV) with Lazy Loading (LL) when it comes to loading long lists of data, then I strongly suggest that you read the following post...

 

Last edited: Apr 28, 2020

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TessBaseAPI ocr

• By roberto64
• Sep 21, 2020

hello, a small library of TessBaseAPI "tesseract4android-2.1.0" Ocr, you need to download tesseract4android-2.1.0.aar and junit-4.4.jar as Depends, for the tessdata languages...

 

Attachments

• tess4.1.zip

  24 KB · Views: 443

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[B4X] AS TextFieldAdvanced Text Validation/Required Fields Example

• By Alexander Stolte
• Jun 3, 2023

This is a exmaple project to show the required field feature in the AS TextFieldAdvanced...

 

Attachments

• AS TextFieldAdvanced Text Validation Example.zip

  72.9 KB · Views: 221

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Running B4A Apps in Split Screen Mode

• By agraham
• Jul 2, 2020

Tutorial – Running B4A Apps in Split Screen Mode

I’m learning this as I go along so there may be errors of fact. If so then post a correction below and I will modify this tutorial...

 

Attachments

• SplitScreenTest_1.0.zip

  11.7 KB · Views: 536

Last edited: Jul 3, 2020

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Markdown to HTML conversion

• By NeoTechni
• Nov 15, 2015

I needed to parse markdown code as HTML, and since you guys have given me so much code I felt obligated to share it...

 

Attachments

• markdown.zip

  69.5 KB · Views: 478

Last edited: Nov 16, 2015

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[B4X] BBCodeView Anchors Example

• By Erel
• May 24, 2023

A small, cross platform, example of using the new anchors feature of BBCodeView.

It reads a CSV file with information about US politicians. The data is used to...

 

Attachments

• Anchors2.zip

  449.9 KB · Views: 192

Last edited: May 24, 2023

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Expand the Eddittext row for row like WhatsApp

• By Alexander Stolte
• Sep 12, 2017

Hello, after 3 days work on it, it is finished.

The goal was to expand the Eddittextbox automatically like WhatsApp here:


And i want to share my Code with you, to save time for...

 

Attachments

• Screenshot_20170910-212445.jpg

  278.5 KB · Views: 656
• Screenshot_20170910-212445.jpg

  278.5 KB · Views: 629

Last edited: Sep 13, 2017

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[B4X] AS Settings with PlusMinus

• By Alexander Stolte
• May 22, 2023

This is an extension for the AS_Settings library, if it activates this extension, then you can select settings via a new type.

Guide

1. Download...

 

Attachments

• AS Settings with AS PlusMinus.zip

  178.3 KB · Views: 44

Last edited: Feb 24, 2024

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[B4X] AS Settings with SegmentedTab

• By Alexander Stolte
• May 22, 2023

This is an extension for the AS_Settings library, if it activates this extension, then you can select settings via a new type.


Guide

1. Download...

 

Attachments

• AS Settings with AS SegmentedTab Example.zip

  178.9 KB · Views: 36

Last edited: Feb 24, 2024

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RegEx.Matcher2 and getting first and last words of String

• By mfstuart
• May 14, 2023

This example not only retrieves the first and last word of a String, but also sets a Label with the first letters of both the first and last words.
I use it to populate a CustomListView with...

 

Last edited: May 18, 2023

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Protect your application against copy and changes

• By Informatix
• Apr 14, 2020

This method uses the F5Steg and PackageUtils libraries from ProBundle.

There's a demo available in the Play Store...

 

Attachments

• Challenge.zip

  71.3 KB · Views: 860

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Get Path of File/ Folder

• By StephenRM
• May 3, 2023

On Telegram there is a group named 'B4A', I found the source code there on that group.
Hope it may help others.

I wanted to get the path of Folder when a file is selected from...

 

Attachments

• Gallery Chooser.zip

  10.1 KB · Views: 238

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Sound Meter

• By Almora
• Apr 22, 2023

Hello.
the project was prepared using only the libraries in the forum.

live line chart #Johan Schoeman...

 

Attachments

• Screenshot_20230422-130730.jpg

  5.7 KB · Views: 276
• sound1.zip

  34.3 KB · Views: 203
• Screen_Recording_20230422_130822_1.gif

  88.5 KB · Views: 230

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