Xcode崩潰時的IB連接

Question

昨天晚上我正在開發我的iOS應用程序，當時我測試它並在啓動時崩潰。我甚至沒有在造成碰撞的筆尖上工作。不管怎樣，下面是錯誤代碼：

2/29/12 10:32:05.291 AM Safe Flight: *** Terminating app due to uncaught exception 'NSUnknownKeyException', reason: '[<UIApplication 0xdd496f0> setValue:forUndefinedKey:]: this class is not key value coding-compliant for the key Airport1.' 
*** First throw call stack: 
(0x2873052 0x33add0a 0x2872f11 0x1ae2032 0x1a53f7b 0x1a53eeb 0x1a6ed60 0x136191a 0x2874e1a 0x27de821 0x136046e 0x1362010 0x114214a 0x1142461 0x11417c0 0x1150743 0x11511f8 0x1144aa9 0x37b7fa9 0x28471c5 0x27ac022 0x27aa90a 0x27a9db4 0x27a9ccb 0x11412a7 0x1142a9b 0x3710 0x2f35) 

Airport1僅僅是一個連接到它的一個IBOutlet 正確標籤。另外，如果我刪除了連接，那麼錯誤就是下一個有連接的項目。

此外，我的FileOwners類正確設置爲適當的viewController。

// MasterViewController.h 

#import <UIKit/UIKit.h> 
#import "MobclixAds.h" 

@class DataViewController; 
@class EditViewController; 
@class SearchViewController; 



@interface MasterViewController : UIViewController{ 

    UILabel *Airport1; 
    UILabel *Airport2; 
    UILabel *Airport3; 
    UILabel *Airport4; 
    UILabel *Airport5; 
    UILabel *Airport6; 
    UILabel *Airport7; 
    UILabel *Airport8; 
    UILabel *Airport9; 
    UIButton *Airport1B; 
    UIButton *Airport2B; 
    UIButton *Airport3B; 
    UIButton *Airport4B; 
    UIButton *Airport5B; 
    UIButton *Airport6B; 
    UIButton *Airport7B; 
    UIButton *Airport8B; 
    UIButton *Airport9B; 

    MobclixAdView* adView; 
} 

@property (strong, nonatomic) DataViewController *dataViewController; 
@property (strong, nonatomic) EditViewController *editViewController; 
@property (strong, nonatomic) SearchViewController *searchViewController; 


@property (nonatomic, retain) IBOutlet UILabel *Airport1; 
@property (nonatomic, retain) IBOutlet UILabel *Airport2; 
@property (nonatomic, retain) IBOutlet UILabel *Airport3; 
@property (nonatomic, retain) IBOutlet UILabel *Airport4; 
@property (nonatomic, retain) IBOutlet UILabel *Airport5; 
@property (nonatomic, retain) IBOutlet UILabel *Airport6; 
@property (nonatomic, retain) IBOutlet UILabel *Airport7; 
@property (nonatomic, retain) IBOutlet UILabel *Airport8; 
@property (nonatomic, retain) IBOutlet UILabel *Airport9; 
@property (nonatomic, retain) IBOutlet UIButton *Airport1B; 
@property (nonatomic, retain) IBOutlet UIButton *Airport2B; 
@property (nonatomic, retain) IBOutlet UIButton *Airport3B; 
@property (nonatomic, retain) IBOutlet UIButton *Airport4B; 
@property (nonatomic, retain) IBOutlet UIButton *Airport5B; 
@property (nonatomic, retain) IBOutlet UIButton *Airport6B; 
@property (nonatomic, retain) IBOutlet UIButton *Airport7B; 
@property (nonatomic, retain) IBOutlet UIButton *Airport8B; 
@property (nonatomic, retain) IBOutlet UIButton *Airport9B; 

@property(nonatomic,retain) IBOutlet MobclixAdView* adView; 


@end 

和

// MasterViewController.m 


#import "MasterViewController.h" 

#import "DataViewController.h" 
#import "EditViewController.h" 
#import "SearchViewController.h" 



@implementation MasterViewController 

@synthesize dataViewController = _dataViewController; 
@synthesize editViewController = _editViewController; 
@synthesize searchViewController = _searchViewController; 



@synthesize Airport1, Airport2, Airport3, Airport4, Airport5, Airport6, Airport7, Airport8, Airport9; 
@synthesize Airport1B, Airport2B, Airport3B, Airport4B, Airport5B, Airport6B, Airport7B, Airport8B, Airport9B; 
@synthesize adView; 


- (id)initWithNibName:(NSString *)nibNameOrNil bundle:(NSBundle *)nibBundleOrNil 
{ 

    self = [super initWithNibName:nibNameOrNil bundle:nibBundleOrNil]; 
    if (self) { 
     self.title = @"Safe Flight"; 
     self.navigationItem.backBarButtonItem = [[UIBarButtonItem alloc] initWithTitle:@"Back" style:UIBarButtonItemStylePlain target:nil action:nil]; 
    } 
    return self; 
} 

所以是我的問題，我的代碼？或與Xcode本身？我已經重新啓動Xcode和模擬器，甚至沒有一個「乾淨」的建立（這聽起來像這將有助於...）

感謝， 安德魯

編輯這是我的AppDelegate，我設置正確的廈門國際銀行的窗口

- (BOOL)application:(UIApplication *)application didFinishLaunchingWithOptions:(NSDictionary *)launchOptions 
{ 
    [Mobclix start]; 
    self.window = [[UIWindow alloc] initWithFrame:[[UIScreen mainScreen] bounds]]; 
    // Override point for customization after application launch. 

    MasterViewController *masterViewController = [[MasterViewController alloc] initWithNibName:@"MasterViewController" bundle:nil]; 
    self.navigationController = [[UINavigationController alloc] initWithRootViewController:masterViewController]; 
    self.window.rootViewController = self.navigationController; 
    [self.window makeKeyAndVisible]; 
    return YES; 

} 

問題解決了！

我不能回答我自己的問題，因爲一些愚蠢的垃圾郵件過濾器...我可以張貼問題的照片......但它的固定！

但這裏的問題click here

Answer 1

發現了這個問題！我現在覺得有點愚蠢;但無論如何，這裏是問題的截圖！

Answer 2

鏈接在你初始化MasterViewController（無論你是從啓動它），請確保您有合適的筆尖文件

例對其進行初始化。

MasterViewController *masterViewController = [[MasterViewController alloc] initWithNibName:@"YourNibName" bundle:nil]; 

Answer 3

導致崩潰的原因可能是xib到header的連接錯誤。 Airport1可以連接到MasterViewController以外的其他類。

如果您的標籤連接到文件的所有者 - 它應該是MasterViewController。

如果您已經創建了廈門國際銀行中的另一個UIViewController中並連接Airport1標籤給它，那麼這個控制器也必須連接到MasterViewController（身份督察「類」字段。）

更新。新增截圖：