Tutorials & Examples

Slide Switch - On / Off

• By Johan Schoeman
• Apr 2, 2015

This is a very, very simple project implementing a slide switch with B4A code only. Track flag1 and flag2 to know the state of the two switches (i.e are the switches on or off)...

 

Attachments

• JHSswitch.zip

  12.4 KB · Views: 1,233

Last edited: Jul 7, 2015

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Localize your app using AndroidResources

• By warwound
• Jul 1, 2012

Here's a short tutorial showing how you can add support for multiple languages to your B4A application using my AndroidResources library.

Native Android applications have built in support...

 

Attachments

• Localization.zip

  7.6 KB · Views: 1,819

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Bluetooth Printing to HP Deskjet 100 Mobile

• By Robert Valentino
• Dec 26, 2013

I took the BTPrint.zip and modified it to print to my HP Deskjet 100 Mobile using Bluetooth

Attached find a new Zip BTPrint-2.zip (did not want to confuse it with the other one) and a PNG files...

 

Attachments

• BTPrint-2.zip

  6.9 KB · Views: 1,126
• PrintOutExample.png

  38.1 KB · Views: 1,046

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FileTransfer - Send and receive files with AsyncStreams

• By Erel
• Jun 24, 2013

Newer example based on B4XSerializator: https://www.b4x.com/android/forum/threads/72149
AsyncStream v1.50 (part of RandomAccessFile library) includes support for sending and receiving...

 

Last edited: Jun 7, 2020

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B4A Book Updated

• By PhilipBrown
• Jul 30, 2016

I am happy to announce that the B4A tutorial and reference book "Rapid Android App Development...

 

Last edited: Jul 31, 2016

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B4XObject - B4A /B4J / B4i objects serialization

• By Erel
• Dec 16, 2014

The RandomAccessFile libraries (B4A, B4J and B4i libs) include two new methods: WriteB4XObject and ReadB4XObject.

These methods are similar to WriteObject and...

 

Last edited: Aug 11, 2016

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Large & Searchable List with SearchView + B4XSerializator

• By Erel
• Dec 31, 2015

Better to use: https://www.b4x.com/android/forum/threads/b4x-sqlsearchview-sqlite-based-search-view.133379/

Two very important methods were added to B4XSerializator in...

 

Attachments

• B4J_IndexBuilder.zip

  57.9 KB · Views: 1,917
• LargeSearchView.zip

  733.6 KB · Views: 3,028

Last edited: Aug 12, 2021

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Modules Attributes

• By Erel
• Dec 31, 2012

Basic4android v2.50 includes a new method for handling project and modules settings.

These settings are now set in the code itself. The menu items were removed...

 

Last edited: Feb 22, 2016

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[B4X] The Networker's Guide To The Galaxy

• By Erel
• Jul 14, 2016

The purpose of this tutorial is to cover the various communication options available for B4X developers.

Will start with two important utilities:

• AsyncStreams...

 

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AsyncStreamsObject - Send and receive objects instead of bytes

• By Erel
• Jun 26, 2013

AsyncStreamsObject is a small framework built over AsyncStreams.

Instead of sending and receiving bytes, AsyncStreamsObject allows you to send and receive objects. This makes it much...

 

Attachments

• AsyncStreamsObject.zip

  10.5 KB · Views: 4,357

Last edited: Nov 14, 2013

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Designer Scripts & AutoScale Tutorial

• By klaus
• Oct 21, 2012

Attached you find a pdf tutorial about Designer Scripts & AutoScale.
It includes Erels Designer Scripts Tutorial and a new AutoScale Tutorial.
It's an extract of two chapters from the next...

 

Attachments

• AutoScaleExample7.zip

  73.1 KB · Views: 10,794

Last edited: Mar 13, 2016

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Wrapping the jFugue Midi Programming jar (B4a & B4j)

• By stevel05
• Jan 11, 2016

Having just posted the jFugue jar file and examples of accessing it, I thought it would be a good opportunity to show how I would go about creating a wrapper in B4x for this.

This is only one way...

 

Attachments

• jFuguePlayer.bas

  5.4 KB · Views: 639

Last edited: Jan 17, 2016

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Google Push Notification for dummies (GCM)

• By KMatle
• May 4, 2016

It took me some time to check how GCM works. See Erels example: https://www.b4x.com/android/forum/t...ion-gcm-framework-and-tutorial.19226/#content

A lot of...

 

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Widget preview images

• By joneden
• Sep 13, 2012

Hi All,

Below are my notes on getting a widget preview image to appear in the widget list. The preview image appears in place of the app icon (if used).

1) Create a png with the preview in...

 

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For beginners: How to communicate with a server using httputils2 (Part 1: php)

• By KMatle
• Jun 29, 2014

This tutorial is deprecated. You can still use it to understand the basic communication. A newer one can be found here...

 

Last edited: Sep 4, 2018

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Installing Basic4android and Android SDK

• By Erel
• Nov 2, 2010

These instructions are outdated. Please see the instructions here instead: https://www.b4x.com/b4a.html

 

Last edited: Jan 30, 2020

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Android Network Tutorial

• By Erel
• Dec 21, 2010

This is an old tutorial. All new implementations of network solutions should be based on AsyncStreams.

The Network library allows you to communicate over TCP/IP with other computers or...

 

Attachments

• NetworkExample.zip

  23.7 KB · Views: 8,009

Last edited: Feb 5, 2016

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Android Http Multipart requests

• By Erel
• Mar 26, 2011

For new projects it is recommended to use OkHttpUtils2: https://www.b4x.com/android/forum/threads/54723/#content

Multipart POST requests are usually used by Html Form components to...

 

Attachments

• MultipartPost.bas

  2 KB · Views: 2,418

Last edited: Jan 7, 2016

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B4A Book Updated to Version 5.80

• By PhilipBrown
• Apr 2, 2016

I am happy to announce that the B4A tutorial and reference book "Rapid Android App Development...

 

Last edited: Apr 2, 2016

Click to expand...

Custom ListView library

• By warwound
• May 10, 2012

Here's a library tutorial to hopefully show the basic steps required to create a custom ListView.

The custom ListView creates each ListView ListItem from a layout XML file - your...

 

Attachments

• MyListView.zip

  31.1 KB · Views: 4,866

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