Following an amazing feedback, the Bluetoothhelper library has been published online under a Maven/Gradle form. That will allow a faster integration within your project, the library is general purpose.
You find the latest release here
https://bintray.com/basicairdata/maven/bluetoothhelper/1.0.5
The library is the same that is used to interface with the Air Data Computer, it maintains his open and free nature.
Just add to your code
compile 'eu.basicairdata:bluetoothhelper:1.0.5'
Update
Library published on Maven Central too.
The code for inclusion is:
<dependency>
<groupId>eu.basicairdata</groupId>
<artifactId>bluetoothhelper</artifactId>
<version>1.0.5</version>
<type>pom</type>
</dependency>