我对 iOS 很陌生,我仍在努力掌握一些东西。我正在 XCode 5 中尝试这个简单的程序,当用户单击按钮时,他将被重定向到另一个视图控制器。我做了其他论坛告诉其他提问者要做的事情,但我似乎遇到了错误。
这是我的代码:
在 ViewController.m 中:
- (IBAction)button1:(id)sender {
WebServiceViewController *wc = [[WebServiceViewController alloc]
initWithNibName:@"WebServiceViewController"
bundle:nil];
[self.navigationController pushViewController:wc animated:YES];
}
我在标题中放置了一个导入“WebServiceViewController.h”。
这是错误(不是 IDE 错误消息,但也不是成功):
这是一个例外:
2013-10-25 02:05:51.904 sample[16318:a0b] *** Terminating app due to uncaught exception 'NSInternalInconsistencyException', reason: 'Could not load NIB in bundle: 'NSBundle </Users/Guest/Library/Application Support/iPhone Simulator/7.0/Applications/C6FA1F33-5E11-40C2-8C69-DA368F21CA5F/sample.app> (loaded)' with name 'WebServiceViewController''
*** First throw call stack:
(
0 CoreFoundation 0x017345e4 __exceptionPreprocess + 180
1 libobjc.A.dylib 0x014b78b6 objc_exception_throw + 44
2 CoreFoundation 0x017343bb +[NSException raise:format:] + 139
3 UIKit 0x004ca65c -[UINib instantiateWithOwner:options:] + 951
4 UIKit 0x0033cc95 -[UIViewController _loadViewFromNibNamed:bundle:] + 280
5 UIKit 0x0033d43d -[UIViewController loadView] + 302
6 UIKit 0x0033d73e -[UIViewController loadViewIfRequired] + 78
7 UIKit 0x0033dc44 -[UIViewController view] + 35
8 UIKit 0x00357a72 -[UINavigationController _startCustomTransition:] + 778
9 UIKit 0x00364757 -[UINavigationController _startDeferredTransitionIfNeeded:] + 688
10 UIKit 0x00365349 -[UINavigationController __viewWillLayoutSubviews] + 57
11 UIKit 0x0049e39d -[UILayoutContainerView layoutSubviews] + 213
12 UIKit 0x00294dd7 -[UIView(CALayerDelegate) layoutSublayersOfLayer:] + 355
13 libobjc.A.dylib 0x014c981f -[NSObject performSelector:withObject:] + 70
14 QuartzCore 0x03aee72a -[CALayer layoutSublayers] + 148
15 QuartzCore 0x03ae2514 _ZN2CA5Layer16layout_if_neededEPNS_11TransactionE + 380
16 QuartzCore 0x03ae2380 _ZN2CA5Layer28layout_and_display_if_neededEPNS_11TransactionE + 26
17 QuartzCore 0x03a4a156 _ZN2CA7Context18commit_transactionEPNS_11TransactionE + 294
18 QuartzCore 0x03a4b4e1 _ZN2CA11Transaction6commitEv + 393
19 QuartzCore 0x03a4bbb4 _ZN2CA11Transaction17observer_callbackEP19__CFRunLoopObservermPv + 92
20 CoreFoundation 0x016fc53e __CFRUNLOOP_IS_CALLING_OUT_TO_AN_OBSERVER_CALLBACK_FUNCTION__ + 30
21 CoreFoundation 0x016fc48f __CFRunLoopDoObservers + 399
22 CoreFoundation 0x016da3b4 __CFRunLoopRun + 1076
23 CoreFoundation 0x016d9b33 CFRunLoopRunSpecific + 467
24 CoreFoundation 0x016d994b CFRunLoopRunInMode + 123
25 GraphicsServices 0x036859d7 GSEventRunModal + 192
26 GraphicsServices 0x036857fe GSEventRun + 104
27 UIKit 0x0022a94b UIApplicationMain + 1225
28 sample 0x00002e7d main + 141
29 libdyld.dylib 0x01d70725 start + 0
30 ??? 0x00000001 0x0 + 1
)
libc++abi.dylib: terminating with uncaught exception of type NSException
(lldb)
此外,我正在使用故事板。我有一个用户登录的初始场景。这个场景嵌入了一个导航控制器。登录后,我不会使用 segue,因为可以加载多个视图控制器,具体取决于登录的用户类型。我正在尝试执行这个简单的程序,因为我将使用它未来更复杂。
我显然错过了一些东西。我希望有一个人可以帮助我。我将不胜感激。
编辑:
这对我有用
WebServiceViewController *wc = [[UIStoryboard storyboardWithName:@"Main" bundle:nil]
instantiateViewControllerWithIdentifier:@"WebServiceViewController"];
[self.navigationController pushViewController:wc animated:YES];
storyboardWithName 取决于故事板的名称。