In addition to the whole Yahama AV Controller project, I pushed some tiny libraries to github.
AesPrefs protects the SharedPreference files in Android. Due to the strong AES256 encryption, your app’s configuration data will be harder to read for hackers, software-pirates and other malicious attacks. In many cases your app user will benefit from this extra layer of security and privacy, as well.
AesPrefs on github.
This project is a JavaFx port of the famous Android-Iconics library.
FxIconics on github.