Tutorials & Examples

Hello,


I'm here to convince you to use HorizontalScrollViews instead of labels in your interfaces.


Labels get messy when you need them to display a string of indeterminate length within a...

 

As a response to a forum question a few months ago, I posted an example of using the Gesture Library and Soundpool to create a musical instrument interface. The example is simple an has only two...

 

Pragmas: table_info, index_list, index_info, foreign_key_list

The full list of pragmas can be found at: http://www.sqlite.org/pragma.html. Note, the [match] field of the [foreign_key_list] pragma always shows...

 

I have a very specialized POS application running on Android devices that would not qualify to be entered into the Play Store. These apps need to be updated whenever there are new features or bug...

 

It is recommended to use HttpUtils2 instead of this code module. HttpUtils2 is more powerful and is easier to work with.

As discussed in the Services tutorial, some tasks are...

 

Hello,
The code example below retrieves HTML content from WebView via three different techniques: 1.) MenuItem 2.) LongClick 3.) PageFinished. The code calls addJavascriptInterface() &...

 

Hi,
I have assembled a few examples and I added the code to have a system to control via Bluetooth remote viewing of clips from youtube with two smartphones. A "slave" to be connected with a hdmi...

 

With this samplecode i will demonstrate to create a dynamic jpg from other image, put text´s on it, copy another image to it...

ATTENTION: This b4a-example uses CreateMap so you need B4A...

 

(Image belongs to Nicolas Gramlich)


It's almost here!
AndEngine for Basic4Android.​

...

 

Correct link: https://www.b4x.com/android/forum/t...s-firebase-cloud-messaging-fcm.67716/#content

 

How do they... ? #3​

<Version française/french version>

This third tutorial returns to the interface of PlayerPro of BlastOn LLC. We are going to reproduce the artists list and...

 

This is a "bare" arkanoid game:

The code is made of 4 modules:
Main - main activity. Also holds the main timer that is running the...

 

Hello Developers.
I made a small Video for an x86 Android Device kept in a virtual machine.
How to Install Android x86 in a Virtual Machine using VMWare Player (free) - YouTube
The VM is...

 

How do they... ? #1​

(French version/Version française)

This tutorial is the first in a series that will show you how to reproduce some user interfaces (UI) with the classes and...

 

This example uses SearchView to allow the user to search for any contact. The user can enter a substring of the contact name or one of his phone numbers.

This is a modified version of SearchView...

 

To have the Git Version Info embedded in your B4A application it is necessary to do several steps.

1. Copy a batch file (gitv.bat) to a location in the path you are using.
2. Get and install the...

 

Please first follow the installation and configuration instructions in these tutorials:
Installing Basic4android and Android SDK
Hello world - Installing Android Emulator

In this...

 

It began in the english Forum.

In the english part of the forum i wrote an ftp example for @schimanski a few days ago which uses a "FTP Download Queue". all files are put into a list...

 

The attached example shows how to read any xml structure and store the results into a SQLite database table using a service

The example uses dbutils and a webview to show the results very...

 

Pending confirmation by Erel, I post three functions about arrays and maps that may be useful.

The first is to verify that an object variable is an array:

Public Sub IsArray(Var As Object) As...