Meu aplicativo abre direito, porém, quando vou digitar algo nos textFields, o aplicativo pára de funcionar no simulador e aparece o seguinte erro:
2016-07-30 03:42:21.491 App[2984:87510] -[NSNull length]: unrecognized selector sent to instance 0x481398
2016-07-30 03:42:21.496 App[2984:87510] *** Terminating app due to uncaught exception 'NSInvalidArgumentException', reason: '-[NSNull length]: unrecognized selector sent to instance 0x481398'
*** First throw call stack:
(
0 CoreFoundation 0x00254494 __exceptionPreprocess + 180
1 libobjc.A.dylib 0x01f6be02 objc_exception_throw + 50
2 CoreFoundation 0x0025e253 -[NSObject(NSObject) doesNotRecognizeSelector:] + 275
3 CoreFoundation 0x0019389d ___forwarding___ + 1037
4 CoreFoundation 0x0019346e _CF_forwarding_prep_0 + 14
5 CoreFoundation 0x0010ccdb CFStringCompareWithOptionsAndLocale + 203
6 Foundation 0x005d0770 -[NSString compare:options:range:locale:] + 175
7 Foundation 0x005d06b9 -[NSString compare:options:range:] + 72
8 Foundation 0x005d67f2 -[NSString caseInsensitiveCompare:] + 81
9 UIKit 0x00d9a021 -[UIPhysicalKeyboardEvent _matchesKeyCommand:] + 357
10 UIKit 0x00c9c35e -[UIResponder _keyCommandForEvent:target:] + 446
11 UIKit 0x00c9c531 -[UIResponder _keyCommandForEvent:target:] + 913
12 UIKit 0x00c9c531 -[UIResponder _keyCommandForEvent:target:] + 913
13 UIKit 0x00a6ac63 -[UIApplication _handleKeyUIEvent:] + 1145
14 UIKit 0x00c9cf4f -[UIResponder _handleKeyUIEvent:] + 81
15 UIKit 0x00c9cf4f -[UIResponder _handleKeyUIEvent:] + 81
16 UIKit 0x00c9cf4f -[UIResponder _handleKeyUIEvent:] + 81
17 UIKit 0x00c9cf4f -[UIResponder _handleKeyUIEvent:] + 81
18 UIKit 0x00a6a4e4 -[UIApplication handleKeyUIEvent:] + 81
19 UIKit 0x00d5b474 -[UIKeyboardImpl _handleKeyEvent:executionContext:] + 80
20 UIKit 0x00fa4bd3 -[UIKeyboardLayoutStar completeRetestForTouchUp:timestamp:interval:executionContext:] + 6196
21 UIKit 0x00fa2850 -[UIKeyboardLayoutStar touchUp:executionContext:] + 174
22 UIKit 0x00d6da03 __45-[UIKeyboardLayout touchUpTaskForTouchState:]_block_invoke + 236
23 UIKit 0x015ca581 -[UIKeyboardTaskEntry execute:] + 37
24 UIKit 0x015c8e43 -[UIKeyboardTaskQueue continueExecutionOnMainThread] + 414
25 UIKit 0x015c954a -[UIKeyboardTaskQueue addTask:] + 172
26 UIKit 0x00d6dc62 -[UIKeyboardLayout touchUp:] + 272
27 UIKit 0x00d6d668 -[UIKeyboardLayout _touchEndedProcessingForTouches:] + 411
28 UIKit 0x00d6e761 -[UIKeyboardLayout touchesEnded:withEvent:] + 376
29 UIKit 0x00ac752e -[UIWindow _sendTouchesForEvent:] + 1095
30 UIKit 0x00ac85cc -[UIWindow sendEvent:] + 1159
31 UIKit 0x00a69be8 -[UIApplication sendEvent:] + 266
32 UIKit 0x00a3e769 _UIApplicationHandleEventQueue + 7795
33 CoreFoundation 0x00166e5f __CFRUNLOOP_IS_CALLING_OUT_TO_A_SOURCE0_PERFORM_FUNCTION__ + 15
34 CoreFoundation 0x0015caeb __CFRunLoopDoSources0 + 523
35 CoreFoundation 0x0015bf08 __CFRunLoopRun + 1032
36 CoreFoundation 0x0015b846 CFRunLoopRunSpecific + 470
37 CoreFoundation 0x0015b65b CFRunLoopRunInMode + 123
38 GraphicsServices 0x0476b664 GSEventRunModal + 192
39 GraphicsServices 0x0476b4a1 GSEventRun + 104
40 UIKit 0x00a44eb9 UIApplicationMain + 160
41 App 0x000664b1 main + 145
42 libdyld.dylib 0x02989a25 start + 1
)
libc++abi.dylib: terminating with uncaught exception of type NSException
(lldb)O botão adicionar funciona perfeitamente, mas não consigo digitar nada nos textfields. Não sei o que estou fazendo de errado! Segue abaixo o meu código:
import UIKit
class ViewController: UIViewController {
@IBOutlet var nameField: UITextField!
@IBOutlet var happinessField: UITextField!
@IBAction func add() {
let name = nameField.text
let happiness = happinessField.text
print("eaten: \(name) \(happiness)!")
}
}