title: Can i clear cache of safari from my ios app is there any method or its sandboxed
body: <p>basically my app uses safari to log in to facebook ive but the logout isnt proper ive used session closeandcleartoken in the appdidfinishlaunching and at a buttonaction but somehow the session is still there and it doesnt prompt the user to login thier name again and directly gives access to facebook page</p>