小编Dan*_*erg的帖子

我有一个应用程序,从他们的联系人列表中选择一个人,并采取他们的名字,姓氏和电子邮件.然后它将名字保存到nsmutablearray并将其放入uitableview单元格中.一旦在模拟器中选择了联系人,我的问题就出现了.

码:

.H:

#import <UIKit/UIKit.h>
#import <AddressBookUI/AddressBookUI.h>

@interface FirstViewController : UIViewController <    ABPeoplePickerNavigationControllerDelegate, UITableViewDelegate, UITableViewDataSource>

- (IBAction)showPicker:(id)sender;

@property (weak, nonatomic) IBOutlet NSString *firstName;

@property (weak, nonatomic) IBOutlet NSString *email;

@property (weak, nonatomic) IBOutlet NSString *lastName;


@property (weak, nonatomic) IBOutlet UITableView *myTableView;

@property (strong, nonatomic) NSMutableArray *contacts;

@end

.M:

#import "FirstViewController.h"

@interface FirstViewController ()

@end

@implementation FirstViewController

@synthesize firstName;

@synthesize email;

@synthesize lastName;

@synthesize contacts;

@synthesize myTableView;


- (void)viewDidLoad
{
    [super viewDidLoad];
    // Do any additional setup after loading the view, …