Tutorials & Examples

This tutorial is based on an old version of Dropbox API. For new projects it is recommended to use the Dropbox Sync library:
http://www.b4x.com/android/forum/threads/30112...

 

With this video I intend to show how simple it is to create a native based B4A lib, using my Native Library Generator.
For that purpose, I'll be writing and testing my code in Visual...

 

The IDE Intellisense is wonderful for actually writing code but for browsing the available objects to see what is on offer it is a bit tedious so this afternoon I have knocked up this pretty awful...

 

I was in need of google sign in using PlayServices but cant find any wrapper for that in b4a,Then i found this solution.

Purpose of the Sign in app is to fetch details about the google account...

 

Introduction

This is a DesignerCustomView control which is based on the native android movie view and will allow you to display animated gifs (transparent ones as well)...

 

The latest alpha version of MOBAC supports rendering tiles from a local MapsForge database.

http://mobac.sourceforge.net/forum/viewtopic.php?f=1&t=526

This allows MOBAC to render...

 

For those having problems with the Android Videoview, here is a possible alternative that may be worth trying.

It's a javascript open source HTML5 video player for playing videos in a webview...

 

Until Basic4android v2.00 the way to pass information between activities and services was through process global variables.

CallSubDelayed makes it much simpler. It allows you to call a sub in...

 

Let's face it, making good looking buttons with core B4A is cumbersome and all those JPG's with different resolutions and colors are a real pain to manage, plus they bloat your application...

 

Sliders are a very useful and common control but are not part of the core B4A product. In this lesson we are going to build a slider control like the one shown in the screenshot.

To build a...

 

Toggle Buttons and Check Boxes are standard fare for any program but to make them look good you need StateListDrawables and bunches of Image files. With SmartHost you can use font characters or...

 

Hi there

I've just finished my first try with UDP, wow. With the attached code I have managed to get the app installed on two different android devices, connected them to the same wifi...

 

I want to make a book of 250 pages and browse in the form of images.

 

Attached project draws a circular bitmap within an imageview including an adjustable border (colour and width) around the image. Making use of inline java code. Only JavaObject V2.01 required...

 

Have done this purely for the fun of it. The project uses 70 ASCII characters to generate an ASCII ART image from the bitmap. The ASCII ART image is actually a label with the label's text set...

 

OPTIMIZATION WITH B4A​

A case where optimization is required:
One of the most time-consuming task in a RTS game is to compute paths for all units because of the number of units...

 

This has been requested a couple of times on the forum and to get the ball rolling, here is an example of accessing the javaFlacEncoder with Javaobject.

Files and documentation are available...

 

VERY FAST ANDROID EMULATOR !​

Hallo guys

i want to share with you my latest discovery

i am not sure this thread belong here but maybe it does because its an tutorial

so...

 

Hi guys!

Here's a minimalistic libGDX template which can be useful when starting a new project.
It includes a background, a title and an array of objects. It does not include any...

 

hi guys . i am new in basic4android programing . im having difficulties on coding(its my first time) b4a.
im making a program that will light a led on/off using arduino and android . can someone...