text: //
  //  ZLAddressBook.h
  //  ZLPeoplePickerViewControllerDemo
  //
  //  Created by Zhixuan Lai on 11/11/14.
  //  Copyright (c) 2014 Zhixuan Lai. All rights reserved.
  //
  
  #import <Foundation/Foundation.h>
  #import <AddressBook/AddressBook.h>
  #import "APAddressBook/APAddressBook.h"
  
  extern NSString *const ZLAddressBookDidChangeNotification;
  
  @interface ZLAddressBook : NSObject
  @property (strong, nonatomic, readonly) NSArray *contacts;
  @property (strong, nonatomic) APAddressBook *addressBook;
  
  + (instancetype)sharedInstance;
  - (void)loadContacts:(void (^)(BOOL succeeded, NSError *error))completionBlock;
  
  @end
  