Не могу импортировать facebook-sdk в eclipse

Привет всем, я импортировал sdk, но на них появляются ошибки 324:

    Description Resource    Path    Location    Type
    AppLink cannot be resolved to a type    FacebookAppLinkResolver.java    ‪/facebook/src/com/facebook/applinks‬   line 66 Java Problem
    Description Resource    Path    Location    Type
    DialogFragment cannot be resolved to a type FacebookDialogFragment.java ‪/facebook/src/com/facebook/internal‬   line 118    Java Problem
    Description Resource    Path    Location    Type
    Fragment cannot be resolved to a type   AppInviteDialog.java    ‪/facebook/src/com/facebook/share/widget‬   line 135    Java Problem
    Description Resource    Path    Location    Type
    FragmentActivity cannot be resolved to a type   FacebookActivity.java   ‪/facebook/src/com/facebook‬    line 57 Java Problem
Description Resource    Path    Location    Type
'<>' operator is not allowed for source level below 1.7 CallbackManagerImpl.java    ‪/facebook/src/com/facebook/internal‬   line 37 Java Problem