https://www.androidauthority.com/custom-navigation-button-android-customization-680546/
Custom Navigation button settings, GravityBox - Android customization - Android Authority
Mar 17, 2016 - Rounding out our GravityBox coverage on our Android customization series, here is a tweak to add custom functions to your Navigation buttons on your rooted...
custom navigationbutton settingsandroid customizationgravityboxauthority
https://www.androidauthority.com/gravitybox-xposed-module-root-android-customization-672701/
GravityBox, the Xposed module to rule your rooted device - Android customization - Android Authority
Feb 12, 2016 - As we continue playing with our rooted Android device, this Android customization puts the Xposed module GravityBox to work on our clock and data usage.