android - login once and skip login layout everytime app starts after first login -


i writing android application want integrate facebook login using facebook sdk 3.i have tried lots of tutorial successful.can give me complete guide can achieve following :

  1. login activity:

    if user logs in once activity go home activity.guess user has logged in first time , on home activity , after few moments user has closed app. every time user starts app, app skip login activity , starts home activity. if user changes password facebook.com , starts android app want show login activity.

  2. home activity:

    i have logout button on activity.

thanks in advance.

facebook holding value in session,

so have check is_session_valid() or not , base on response can switch activity.


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