Creating an Application Launcher for GNOME 3 in Ubuntu

Origen: http://stackoverflow.com/questions/12964512/creating-an-application-launcher-for-gnome-3-in-ubuntu

create a file called intellij.desktop in the directory /usr/share/applications/
my file looks like this

[Desktop Entry]
Name=IntelliJ IDEA Community Edition
Comment=Free Java, Groovy, Scala and Android applications development
Exec=/path/to/your/bin/idea.sh
Path=/path/to/your/bin
Terminal=false
Icon=intellij-idea-ce
Type=Application
Categories=Development;IDE