Tutorials & Examples

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These instructions are outdated.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: 7,586

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: 2,074

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

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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: 4,559

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Arabic Digital Clock

• By Johan Schoeman
• Sep 13, 2015

See attached B4A project. It implements a digital clock with Arabic numerals. You can edit the png files in the /files folder of the B4A project with something like GIMP and clean them up / change...

 

Attachments

• ArabicDigitalClock.zip

  102 KB · Views: 686

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My CustomView template - with AddToParent

• By demasi
• Jun 14, 2016

I think CustomViews are great addition to B4A, one of it's best features, and a fantastic way to increase productivity, reuse code, and add intelligence to the views we use.

The ability to add...

 

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send and receive messages between two devices or Device and PC using bluetooth

• By imrpk
• Jun 14, 2016

1. Looking for application sample b4A to send and receive text messages (chat system) over blue tooth between two mobiles

2. Looking for application sample b4A to receive messages and reply over...

 

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StateListDrawable example

• By Erel
• Nov 14, 2010

StateListDrawable is a drawable objects that holds other drawables. Based on the view's current state a child drawable is selected.
StateListDrawable holds a list of states. States can be...

 

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Create online theme

• By omidaghakhani1368
• May 30, 2015

Hi,
I found a site that create style and theme for your app.
You can select color and views and android sdk and other
It return res folder for you that can use in your app.
For use theme in your...

 

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Have Back and Front Camera's & has Flash (inline Java code)

• By Johan Schoeman
• May 1, 2016

This is just some simple inline Java code to check if a device has a Back facing camera, a Front facing camera, and a Flash (it requires the JavaObject library to be enabled).

...

 

Attachments

• b4aHasFrontBackCameraAndFlash.zip

  8.8 KB · Views: 685

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Comparison Operators in Select Case

• By Tom Law
• Jan 10, 2012

Just a small request for the wishlist. It would be nice to be able to use Select Case using the 'greater than' and 'less than' operators <>. It makes for cleaner code than 'if' 'else' and 'end if'...

 

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B4X - The best development tools for the connected world!

• By Erel
• May 16, 2016

As B4R (Arduino) will soon be released, I've made a short video that shows some of the communication features available in B4X.

Make sure to watch it in HD mode:


The source...

 

Attachments

• ConnectedWorld.zip

  25.5 KB · Views: 621

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For beginners: How to communicate with a server using httputils2 (Part 3: php, MySql & JSON)

• By KMatle
• Jul 7, 2014

Part 2 see here: http://www.b4x.com/android/forum/th...a-server-using-httputils2-part-2-mysql.42456/

Well. Today we want to:

- make an app which...

 

Attachments

• Example_B4A.zip

  8.6 KB · Views: 2,901
• php_example.zip

  552 bytes · Views: 2,501

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Begin with the B4A Trial version

• By klaus
• May 18, 2016

The B4A Trial Version allows to get a good impression of the possibilities of B4A.

The trial version is limited to 30 days.

Following steps are needed to use the trial version.

Two solutions...

 

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keystore alias password

• By ajk
• May 13, 2016

What is the keystore alias password? I know that alias is b4a but how about the password?

 

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List with two columns and a checkbox

• By drmover
• Jan 6, 2011

Hello,

I have a TabHost which holds 4 tabs.
I want to have a list with two columns and a checkbox for each line in the list on the forth tab of the TabHost.

How can I do it? In case it's...

 

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