5.iOS调用系统通讯录

第一步:导入头文件
#import <addressbookui/AddressBookUI.h>
第二步:添加点击事件,跳转到系统通讯录界面
ABPeoplePickerNavigationController *_ab;

/** 跳转到系统通讯录 */
- (void)phoneButtonClick {
    _ab = [[ABPeoplePickerNavigationController alloc] init];
    _ab.peoplePickerDelegate = self;
    [self presentViewController:_ab animated:YES completion:nil];
}