libqedje-dev software package provides UI interface library which separates design from logic, you can install in your Ubuntu 14.04 LTS (Trusty Tahr) by running the commands given below on the terminal,
$ sudo apt-get update $ sudo apt-get install libqedje-dev
libqedje-dev is installed in your system.
Make ensure the libqedje-dev package were installed using the commands given below,
$ sudo dpkg-query -l | grep libqedje-dev *
You will get with libqedje-dev package name, version, architecture and description in a table
| Distro | Ubuntu 14 04 lts trusty tahr |
| Section | Library development |
| Package | libqedje-dev |
| Version | 0.4.0+lgpl-3 |
| Description | UI interface library which separates design from logic |
| Sub Section | libdevel |