How to create android Facebook key hash ?

[K a M a L]

To make facebook login work in your android application you need to configure Package Name ,Class Name and Key Hashes

could anyone tell me what are these values and how to get them ?

[K a M a L]

Where to get help with this ?

[Wayne Luke]

You need to create a new Facebook App for the WWW platform (not Android or iOS) here: https://developers.facebook.com/

[K a M a L]

@Wayne Luke .. sorry I didn't get it .. should I have a separate applications for WWW and android and IOS ?
the application was already for WWW and I was not aware about key hashes until the android application requested it