我有一個觀點的基礎iPhone應用程序
我添加了一個NSObject類AddNewContact,並採取了對象IB應用程序崩潰:iphone
AddNewContact.h
#import <Foundation/Foundation.h>
@interface AddNewContact : NSObject {
}
-(IBAction)abc:(id)sender;
@end
AddNewContact.m
#import "AddNewContact.h"
@implementation AddNewContact
-(IBAction)abc:(id)sender{
NSLog(@"this is test");
}
@end
我綁定一個UIButton的行動爲abc:單擊按鈕時應用程序崩潰,甚至的NSLog還沒有登錄
但如果我綁定按鈕操作的其他類函數,那麼好的工作
崩潰日誌
2011-06-08 15:40:30.368 myApp[5466:207] -[NSCFString abc:]: unrecognized selector sent to instance 0x6b7b1c0
2011-06-08 15:40:30.416 myApp[5466:207] *** Terminating app due to uncaught exception 'NSInvalidArgumentException', reason: '-[NSCFString abc:]: unrecognized selector sent to instance 0x6b7b1c0'
*** Call stack at first throw:
(
0 CoreFoundation 0x02ad9b99 __exceptionPreprocess + 185
1 libobjc.A.dylib 0x02c2940e objc_exception_throw + 47
2 CoreFoundation 0x02adb6ab -[NSObject(NSObject) doesNotRecognizeSelector:] + 187
3 CoreFoundation 0x02a4b2b6 ___forwarding___ + 966
4 CoreFoundation 0x02a4ae72 _CF_forwarding_prep_0 + 50
5 UIKit 0x0039e7f8 -[UIApplication sendAction:to:from:forEvent:] + 119
6 UIKit 0x00429de0 -[UIControl sendAction:to:forEvent:] + 67
7 UIKit 0x0042c262 -[UIControl(Internal) _sendActionsForEvents:withEvent:] + 527
8 UIKit 0x0042ae0f -[UIControl touchesEnded:withEvent:] + 458
9 UIKit 0x003c23d0 -[UIWindow _sendTouchesForEvent:] + 567
10 UIKit 0x003a3cb4 -[UIApplication sendEvent:] + 447
11 UIKit 0x003a89bf _UIApplicationHandleEvent + 7672
12 GraphicsServices 0x0306a822 PurpleEventCallback + 1550
13 CoreFoundation 0x02abaff4 __CFRUNLOOP_IS_CALLING_OUT_TO_A_SOURCE1_PERFORM_FUNCTION__ + 52
14 CoreFoundation 0x02a1b807 __CFRunLoopDoSource1 + 215
15 CoreFoundation 0x02a18a93 __CFRunLoopRun + 979
16 CoreFoundation 0x02a18350 CFRunLoopRunSpecific + 208
17 CoreFoundation 0x02a18271 CFRunLoopRunInMode + 97
18 GraphicsServices 0x0306900c GSEventRunModal + 217
19 GraphicsServices 0x030690d1 GSEventRun + 115
20 UIKit 0x003acaf2 UIApplicationMain + 1160
21 myApp 0x00001fa4 main + 102
22 myApp 0x00001f35 start + 53
)
terminate called after throwing an instance of 'NSException'
誰能告訴我在哪裏,我錯了
感謝
阿米特Battan
您是否連接按鈕正確嗎? – Anne 2011-06-08 11:34:56
嗯,我認爲你沒有正確地初始化你的按鈕,或者你正在釋放它導致問題。你粘貼你的代碼初始化,以便我們可以看看它 – Robin 2011-06-08 11:35:22
@安妮是的,我正確地在IB連接.. @robin我通過IB使用按鈕,所以我不認爲它釋放 – 2011-06-08 11:38:53