android use schema to secure my app
I want to secure my app using schema like on this 
[picture][1]:

How can I do it?


  [1]: http://www.karganys.fr/wp-content/uploads/2010/12/android-pattern-lock-266x400.jpg

Thank's
android use schema to secure my app
===

I want to secure my app using schema like on this 
[picture][1]:

How can I do it?


  [1]: http://www.karganys.fr/wp-content/uploads/2010/12/android-pattern-lock-266x400.jpg

Thank's