苹果IOS官方DemoGroup

一个简单的Group ABUIGroupsshowshowtocheckandrequestaccesstoauser’saddressbookdatabase.Italsodemonstrateshowtoretrieve,add,andremovegrouprecordsfromtheaddressbookdatabaseusingAddressBookAPIs.Itdisplaysgroupsorganizedbytheirsourceintheaddressbook.Thissamplealso