libhud-gtk1 software package provides GTK helpers for exporting items to the Unity HUD, you can install in your Ubuntu 16.04 LTS (Xenial Xerus) by running the commands given below on the terminal,
$ sudo apt-get update $ sudo apt-get install libhud-gtk1
libhud-gtk1 is installed in your system.
Make ensure the libhud-gtk1 package were installed using the commands given below,
$ sudo dpkg-query -l | grep libhud-gtk1 *
You will get with libhud-gtk1 package name, version, architecture and description in a table
| Distro | Ubuntu 16 04 lts xenial xerus |
| Section | Libraries |
| Package | libhud-gtk1 |
| Version | 14.10+16.04.20160415-0ubuntu1 |
| Description | GTK helpers for exporting items to the Unity HUD |
| Sub Section | Libs |