spotify api get user data like playlists via API?

i got a premium account of spotify and then registered an app and then got the key file . now i want to get the plalylist and user data of any user who uses my application. I searched around the web but did not found any way to get the user da开发者_运维问答ta like access_token in facebook graph api. Any body help me

Solved, i got Plasylist.bnk from the installation directory, and its solved now. thanks all