ABAddressBookRef addressBook; @interface ViewController : Notes">

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// ViewController.m
// _AddressBook
// Created by STU 26 on 3/24/17.
// Copyright (c) 2017 STU 26. All rights reserved.

#import "ViewController.h"
#import <AddressBook/AddressBook.h>

ABAddressBookRef addressBook;

@interface ViewController ()


@implementation ViewController

-(void) displayMessage:(NSString *) message{
[[[UIAlertView alloc] initWithTitle:nil
otherButtonTitles:nil, nil] show];

- (void)viewDidLoad {
[super viewDidLoad];

CFErrorRef error=NULL;

switch (ABAddressBookGetAuthorizationStatus()) {
case kABAuthorizationStatusAuthorized:
addressBook=ABAddressBookCreateWithOptions(NULL, &error);
if (addressBook!=NULL) {
case kABAuthorizationStatusDenied:
[self displayMessage:@"Erişim engellendi!"];
case kABAuthorizationStatusNotDetermined:
addressBook=ABAddressBookCreateWithOptions(NULL, &error);
ABAddressBookRequestAccessWithCompletion(addressBook, ^(bool granted, CFErrorRef error) {
if (granted) {
NSLog(@"Erişime izin verildi.");
} else {
NSLog(@"Erişime izin verilmedi.");
if (addressBook!=NULL) {
case kABAuthorizationStatusRestricted:
[self displayMessage:@"Erişim kısıtlandı."];


- (void)didReceiveMemoryWarning {
[super didReceiveMemoryWarning];
// Dispose of any resources that can be recreated.

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