ios获取权限
by 伍雪颖
-(void)requestRecord{ [[AVAudioSession sharedInstance] requestRecordPermission:^(BOOL granted) { dispatch_async(dispatch_get_main_queue(), ^{ }); }];}-(void)requestAccessEventWithType:(EKEntityType)eventType{ [[EKEventStore new] requestAccessToEntityType:eventType completion:^(BOOL granted, NSError *error) { dispatch_async(dispatch_get_main_queue(), ^{ }); }];}- (void)requestAccessSocial:(NSString*)identifer{ ACAccountStore *accountStore = [[ACAccountStore alloc] init]; ACAccountType *twAccountType = [accountStore accountTypeWithAccountTypeIdentifier:identifer]; [accountStore requestAccessToAccountsWithType:twAccountType options:nil completion:^(BOOL granted, NSError *error) { dispatch_async(dispatch_get_main_queue(), ^{ }); }];}-(void)AddressBookRequest{ ABAddressBookRef addressBook = ABAddressBookCreateWithOptions(NULL, NULL); ABAddressBookRequestAccessWithCompletion(addressBook, ^(bool granted, CFErrorRef error) { dispatch_async(dispatch_get_main_queue(), ^{ }); });}