ios获取权限「建议收藏」

-(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(), ^{
        });
    });
}