Anyway to custom permission alert view like: Contacts, Photo Album, Push Notifications... before they get access, they will pop up an alert view like this:
Under iOS 6 and above, these can be setup to show specific messages. Edit your Info.plist by adding a few new entries. The keys all begin with "Privacy - " (the raw keys are NSxxxUsageDescription where xxx is Contacts, Locations, Reminders, PhotoLibrary, or Calendards). The value is the text you wish to display to the user.