Android Question Icon Service

[Touch]

Hello everyone,
I created a service that works in the background, but when I install it, the icon is visible in the list of applications.
How can I prevent this from happening.

p.s. sorry for my english

 

[mangojack]

Have you seen link 1 and link 2

 

[Touch]

Have you seen link 1 and link 2

Thanks a lot