-(void)addWorkBtn:(UIButton *)btn{
Controller *er = [[Controlleralloc]init];
[self presentViewController:er animated:YEScompletion:nil];
}
下面是报错的
2015-07-16 21:58:56.446 IMFiveApp[2504:46117] *** Assertion failure in -[UINib initWithNibName:directory:bundle:], /SourceCache/UIKit_Sim/UIKit-3347.44/UINib.m:98
2015-07-16 21:58:56.458 IMFiveApp[2504:46117] *** Terminating app due to uncaught exception 'NSInternalInconsistencyException', reason: 'Invalid parameter not satisfying: (name != nil) && ([name length] > 0)'
*** First throw call stack:
(
0 CoreFoundation 0x000000010a1e4c65 __exceptionPreprocess + 165
1 libobjc.A.dylib 0x0000000109a61bb7 objc_exception_throw + 45
2 CoreFoundation 0x000000010a1e4aca +[NSException raise:format:arguments:] + 106
3 Foundation 0x000000010967598f -[NSAssertionHandler handleFailureInMethod:object:file:lineNumber:description:] + 195
4 UIKit 0x00000001085c42a0 -[UINib initWithNibName:directory:bundle:] + 164
5 UIKit 0x000000010841d6ca -[UIViewController _loadViewFromNibNamed:bundle:] + 164
6 UIKit 0x000000010841dd08 -[UIViewController loadView] + 109
7 UIKit 0x000000010841df79 -[UIViewController loadViewIfRequired] + 75
8 UIKit 0x000000010841e40e -[UIViewController view] + 27
9 UIKit 0x00000001089ab48d -[_UIFullscreenPresentationController _setPresentedViewController:] + 65
10 UIKit 0x00000001083f8da9 -[UIPresentationController initWithPresentedViewController:presentingViewController:] + 105
11 UIKit 0x000000010842a288 -[UIViewController _presentViewController:withAnimationController:completion:] + 1761
12 UIKit 0x000000010842c701 __62-[UIViewController presentViewController:animated:completion:]_block_invoke + 132
13 UIKit 0x000000010842c625 -[UIViewController presentViewController:animated:completion:] + 229
14 IMFiveApp 0x0000000106eaaabf -[WorkPalnViewController addWorkBtn:] + 111
15 UIKit 0x00000001082eeda2 -[UIApplication sendAction:to:from:forEvent:] + 75
16 UIKit 0x000000010840054a -[UIControl _sendActionsForEvents:withEvent:] + 467
17 UIKit 0x00000001083ff919 -[UIControl touchesEnded:withEvent:] + 522
18 UIKit 0x000000010833b998 -[UIWindow _sendTouchesForEvent:] + 735
19 UIKit 0x000000010833c2c2 -[UIWindow sendEvent:] + 682
20 UIKit 0x0000000108302581 -[UIApplication sendEvent:] + 246
21 UIKit 0x000000010830fd1c _UIApplicationHandleEventFromQueueEvent + 18265
22 UIKit 0x00000001082ea5dc _UIApplicationHandleEventQueue + 2066
23 CoreFoundation 0x000000010a118431 __CFRUNLOOP_IS_CALLING_OUT_TO_A_SOURCE0_PERFORM_FUNCTION__ + 17
24 CoreFoundation 0x000000010a10e2fd __CFRunLoopDoSources0 + 269
25 CoreFoundation 0x000000010a10d934 __CFRunLoopRun + 868
26 CoreFoundation 0x000000010a10d366 CFRunLoopRunSpecific + 470
27 GraphicsServices 0x000000010c56ba3e GSEventRunModal + 161
28 UIKit 0x00000001082ed900 UIApplicationMain + 1282
29 IMFiveApp 0x0000000106eec13f main + 111
30 libdyld.dylib 0x000000010aadf145 start + 1
)
libc++abi.dylib: terminating with uncaught exception of type NSException