Just applied a theme and need to reboot your device to see the full changes?, with this application those days are long gone, with the click of one button you can quickly restart your SystemUI without the tedious and unneeded process of rebooting.
NOTE: This application has been tested on devices 4.0+ and will work on devices that are running Jellybean, KitKat and Lollipop without any issues.
DISCLAIMER: I am not responsible for any damage done to your device.