Tutorials & Examples

Remote Database Connector (RDC) is a middleware web server that allows you to easily connect your Android app to any type of remote database server.
Usually you will use it with a database...

 

Many developers face the challenge of sending data to remote devices. These devices can be at times offline, sleeping or without proper network coverage.
There are several possible solutions. The...

 

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...

 

I want to collect useful tips for developers who are starting to develop with Basic4android.
I'm deeply familiar with Basic4android and therefore not always aware of difficulties that new users...

 

Basic4android v2.00 adds support for classes modules.

Classes definition from Wikipedia:

In object-oriented programming, a class is a construct that is used to create instances of...

 

Android 4+ devices support Wifi Direct (Wifi P2p). Wifi Direct allows you to connect two devices over wireless without an access point. It is similar to Bluetooth with a much extended range and...

 

Android can synthesize and play text.
Using the TTS library you can easily add this feature to your application.

Sub Process_Globals...

 

This is an old tutorial. I recommend to instead watch the visual designer video tutorial: https://www.b4x.com/etp.html

There are several features in B4A that help you target Android...

 

Better example is available here: https://www.b4x.com/android/forum/threads/mjpeg-cctv-server.73792/

This example is made of two components:

Client - Basic4android program that takes...

 

The Animation library allows you to animate views.
These small animations are really nice and can affect the user overall impression of your application.

The attached program demonstrates the...

 

Note: You should use B4A 6.0 or above for this tutorial.

In the first Material Design tutorial we created a simple app with Material Design for Android 5.0 (Lollipop) devices. But what about...

 

New video tutorial:



Lets start simple:
Each B4A program runs in its own process.
A process has one main thread which is also named the UI thread which lives as long as the...

 

Old tutorial. Don't use services. Use receivers.
Broadcast receivers are program components that can handle broadcasted messages. These messages usually notify about a system event.

There...

 

It is recommended to use TabStripViewPager for new projects: https://www.b4x.com/android/forum/threads/63975/#content


The TabHost view is a very important view. It allows you to add...

 

JSON format is a a format similar to XML but usually it is shorter and easier to parse.
Many web services now work with JSON. JSON official site: JSON

Using the new JSON library, you can...

 

It is recommend to use the new CameraEx class. It provides more functionality.
The new Camera library allows you to take pictures using the back facing camera.

The following steps are...

 

One of the challenges that developers of any non-small Android app need to deal with, is the multiple possible entry points.

During development in almost all cases the application will start from...

 

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

 

Some users asked here for a simple SQLite project as an example to make their first steps in SQLite.
The already existing examples seem beeing somewhat complicated for beginners.

These...

 

B4A v3.80 adds support for conditional compilation.

From Wikipedia:

In computer programming, conditional compilation is compilation implementing methods which allow the compiler to...