How to set android notifications : Please help me. I have created an android applications for my website.. 

Now I want to notify the users when I update/upload new contents to my website... 


I mean to say when I update something to my webpage... 
The users who are using my application 
Must be get the notification that 

".......is added to..... " check out now.... 

Thanks... 
I hope u understand what I am trying to say... 
Sorrry my bad english

Eg: just like a newspaper application on adding new news to webpage... 
Users get notification that.... "Something happen"