Get device Address Book information and device address book

Get device Address Book information and device address book

Directly run the Code:

# Import "ViewController. h"

 

# Import <Contacts/Contacts. h>

# Import <ContactsUI/ContactsUI. h>

 

@ Interface ViewController () <CNContactPickerDelegate>

 

@ Property (nonatomic, strong) UIButton * btn;

@ Property (nonatomic, strong) UILabel * label;

@ Property (nonatomic, strong) UILabel * labelNum;

 

@ End

 

@ Implementation ViewController

 

-(Void) viewDidLoad {

[Super viewDidLoad];

 

_ Btn = [UIButton buttonWithType: UIButtonTypeSystem];

_ Btn. frame = CGRectMake (10, 20, 50, 30 );

[_ Btn setTitle: @ "button" forState: 0];

[_ Btn addTarget: self action: @ selector (btnAction) forControlEvents: UIControlEventTouchUpInside];

[Self. view addSubview: _ btn];

_ Label = [[UILabel alloc] initWithFrame: CGRectMake (10, 60, 50, 30)];

[Self. view addSubview: _ label];

_ LabelNum = [[UILabel alloc] initWithFrame: CGRectMake (10,120, 50, 30)];

[Self. view addSubview: _ labelNum];

}

 

-(Void) btnAction {

CNContactPickerViewController * contactPickerViewController = [[CNContactPickerViewController alloc] init];

ContactPickerViewController. delegate = self;

[Self presentViewController: contactPickerViewController animated: YES completion: nil];

}

 

// If this method is used to select a contact, the contact details page will no longer appear. If you need to see the contact details page, you can only disable this method.

-(Void) contactPicker :( CNContactPickerViewController *) picker didSelectContact :( CNContact *) contact {

NSLog (@ "Call -----------------------------------------" when selecting a contact ---------------------------------");

[Self printContactInfo: contact];

}

 

// Select multiple contacts at the same time

-(Void) contactPicker :( CNContactPickerViewController *) picker didSelectContacts :( NSArray <CNContact *> *) contacts {

For (CNContact * contact in contacts ){

NSLog (@ "======================================== ============ ");

[Self printContactInfo: contact];

}

}

 

-(Void) printContactInfo :( CNContact *) contact {

NSString * givenName = contact. givenName;

NSString * familyName = contact. familyName;

NSLog (@ "givenName =%@, familyName =%@", givenName, familyName );

NSArray * phoneNumbers = contact. phoneNumbers;

_ Label. text = familyName;

For (CNLabeledValue <CNPhoneNumber *> * phone in phoneNumbers ){

NSString * label = phone. label;

CNPhoneNumber * phonNumber = (CNPhoneNumber *) phone. value;

NSLog (@ "label = % @, value = % @", label, phonNumber. stringValue );

_ LabelNum. text = phonNumber. stringValue;

}

}

 

// Note: if this method is implemented, the method above cannot be implemented. The two methods can only implement one

//-(Void) contactPicker :( CNContactPickerViewController *) picker didSelectContactProperty :( CNContactProperty *) contactProperty {

 

// NSLog (@ "called when an attribute of a contact is selected ");

//}

 

-(Void) touchesBegan :( NSSet <UITouch *> *) touches withEvent :( UIEvent *) event {

CNAuthorizationStatus authorizationStatus = [CNContactStore authorizationStatusForEntityType: CNEntityTypeContacts];

If (authorizationStatus = CNAuthorizationStatusAuthorized ){

NSLog (@ "no authorization ...");

}

// Obtain the specified field. You must specify a specific field instead of all fields.

NSArray * keysToFetch = @ [CNContactGivenNameKey, CNContactFamilyNameKey, CNContactPhoneNumbersKey];

CNContactFetchRequest * fetchRequest = [[CNContactFetchRequest alloc] initWithKeysToFetch: keysToFetch];

CNContactStore * contactStore = [[CNContactStore alloc] init];

[ContactStore enumerateContactsWithFetchRequest: fetchRequest error: nil usingBlock: ^ (CNContact * _ Nonnull contact, BOOL * _ Nonnull stop ){

NSLog (@"-------------------------------------------------------");

NSString * givenName = contact. givenName;

NSString * familyName = contact. familyName;

NSLog (@ "givenName =%@, familyName =%@", givenName, familyName );

NSArray * phoneNumbers = contact. phoneNumbers;

For (CNLabeledValue * labelValue in phoneNumbers ){

NSString * label = labelValue. label;

CNPhoneNumber * phoneNumber = labelValue. value;

NSLog (@ "label = % @, phone = % @", label, phoneNumber. stringValue );

}

// * Stop = YES; // stop the loop, equivalent to break;

}];

}