qtdeclarative5-ubuntu-contacts software package provides Qt Ubuntu Contacts Components - QML plugin, 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 qtdeclarative5-ubuntu-contacts
qtdeclarative5-ubuntu-contacts is installed in your system.
Make ensure the qtdeclarative5-ubuntu-contacts package were installed using the commands given below,
$ sudo dpkg-query -l | grep qtdeclarative5-ubuntu-contacts*
You will get with qtdeclarative5-ubuntu-contacts package name, version, architecture and description in a table
| Distro | Ubuntu 14 04 lts trusty tahr |
| Section | X Window System software |
| Package | qtdeclarative5-ubuntu-contacts |
| Version | 0.2+14.04.20140408.3-0ubuntu2 |
| Description | Qt Ubuntu Contacts Components - QML plugin |
| Sub Section | x11 |