2016-12-29 11:03:12.874 Albhabet City 1[9872:259138] *** Terminating app due to uncaught exception 'NSUnknownKeyException', reason: '[<Albhabet_City_1.IntroViewController 0x7fcf8ec14d60> setValue:forUndefinedKey:]: this class is not key value coding-compliant for the key play.'
*** First throw call stack:
(
0 CoreFoundation 0x0000000103c69d4b __exceptionPreprocess + 171
1 libobjc.A.dylib 0x000000010336221e objc_exception_throw + 48
2 CoreFoundation 0x0000000103c69c99 -[NSException raise] + 9
3 Foundation 0x0000000102e709df -[NSObject(NSKeyValueCoding) setValue:forKey:] + 291
4 UIKit 0x0000000104228293 -[UIViewController setValue:forKey:] + 88
5 UIKit 0x000000010449c79e -[UIRuntimeOutletConnection connect] + 109
6 CoreFoundation 0x0000000103c0e9e0 -[NSArray makeObjectsPerformSelector:] + 256
7 UIKit 0x000000010449b122 -[UINib instantiateWithOwner:options:] + 1867
8 UIKit 0x000000010422e9c5 -[UIViewController _loadViewFromNibNamed:bundle:] + 386
9 UIKit 0x000000010422f2e7 -[UIViewController loadView] + 177
10 UIKit 0x000000010422f61c -[UIViewController loadViewIfRequired] + 201
11 UIKit 0x000000010422fe70 -[UIViewController view] + 27
12 UIKit 0x0000000104af06a4 -[_UIFullscreenPresentationController _setPresentedViewController:] + 87
13 UIKit 0x000000010420a702 -[UIPresentationController initWithPresentedViewController:presentingViewController:] + 141
14 UIKit 0x0000000104242e97 -[UIViewController _presentViewController:withAnimationController:completion:] + 3956
15 UIKit 0x000000010424626b -[UIViewController _performCoordinatedPresentOrDismiss:animated:] + 530
16 UIKit 0x0000000104245d51 -[UIViewController presentViewController:animated:completion:] + 179
17 UIKit 0x000000010424b41e -[UIViewController _showViewController:withAction:sender:] + 274
18 UIKit 0x0000000104708fcc __66-[UIStoryboardShowSegueTemplate newDefaultPerformHandlerForSegue:]_block_invoke + 134
19 UIKit 0x00000001048631dd -[UIStoryboardSegueTemplate _performWithDestinationViewController:sender:] + 447
20 UIKit 0x0000000104862fed -[UIStoryboardSegueTemplate _perform:] + 82
21 UIKit 0x00000001048632af -[UIStoryboardSegueTemplate perform:] + 156
22 UIKit 0x000000010408f8bc -[UIApplication sendAction:to:from:forEvent:] + 83
23 UIKit 0x0000000104215c38 -[UIControl sendAction:to:forEvent:] + 67
24 UIKit 0x0000000104215f51 -[UIControl _sendActionsForEvents:withEvent:] + 444
25 UIKit 0x0000000104214e4d -[UIControl touchesEnded:withEvent:] + 668
26 UIKit 0x00000001040fd545 -[UIWindow _sendTouchesForEvent:] + 2747
27 UIKit 0x00000001040fec33 -[UIWindow sendEvent:] + 4011
28 UIKit 0x00000001040ab9ab -[UIApplication sendEvent:] + 371
29 UIKit 0x000000010489872d __dispatchPreprocessedEventFromEventQueue + 3248
30 UIKit 0x0000000104891463 __handleEventQueue + 4879
31 CoreFoundation 0x0000000103c0e761 __CFRUNLOOP_IS_CALLING_OUT_TO_A_SOURCE0_PERFORM_FUNCTION__ + 17
32 CoreFoundation 0x0000000103bf398c __CFRunLoopDoSources0 + 556
33 CoreFoundation 0x0000000103bf2e76 __CFRunLoopRun + 918
34 CoreFoundation 0x0000000103bf2884 CFRunLoopRunSpecific + 420
35 GraphicsServices 0x0000000109cc2a6f GSEventRunModal + 161
36 UIKit 0x000000010408dc68 UIApplicationMain + 159
37 Albhabet City 1 0x0000000102d7adbf main + 111
38 libdyld.dylib 0x000000010734868d start + 1
39 ??? 0x0000000000000001 0x0 + 1
)
libc++abi.dylib: terminating with uncaught exception of type NSException
(lldb)
import UIKit
import AVFoundation
class IntroViewController: UIViewController {
var player:AVAudioPlayer = AVAudioPlayer()
@IBAction func play(_ sender: Any)
{
player.play()
}
override func viewDidLoad() {
super.viewDidLoad()
// Do any additional setup after loading the view.
}
override func didReceiveMemoryWarning() {
super.didReceiveMemoryWarning()
// Dispose of any resources that can be recreated.
do
{
let audioPath = Bundle.main.path(forResource: "song", ofType: "mp3")
try player = AVAudioPlayer(contentsOf: NSURL(fileURLWithPath: audioPath!) as URL)
}
catch
{
//error
}
}
/*
// MARK: - Navigation
// In a storyboard-based application, you will often want to do a little preparation before navigation
override func prepare(for segue: UIStoryboardSegue, sender: Any?) {
// Get the new view controller using segue.destinationViewController.
// Pass the selected object to the new view controller.
}
*/
}
当我点击手机模拟器上的按钮时，这个页面无法显示。
我正在制作一个有多个场景的应用。每当我点击我的第一个按钮到我的模拟器上的另一张幻灯片时，它就会切换到“AppDelegate.swift”并在“class app delegate ...”上它给出了错误“thread 1：signal SIGBART。The error， the failed simulator，
答案 0 :(得分：0)
如果断开IB与代码之间的连接，通常会发生SIGABRT错误。例如，如果您从按钮到@IBAction建立了一个动作连接并将其删除，那么它将导致SIGABRT。如果删除按钮然后建立新连接并重写代码，则可以修复它。
以下是您可以查看的链接： SIGABRT Explained! (General Solution) - Youtube
