ios应用程序崩溃时，“锁屏”

问题描述：

我有一个标签栏应用程序的问题。一切正常，但如果我发送模拟器命令“锁屏”调试器控制台说应用程序崩溃。它会是什么？ios应用程序崩溃时，“锁屏”

调试消息：

GNU gdb 6.3.50-20050815 (Apple version gdb-1518) (Sat Feb 12 02:52:12 UTC 2011) 
Copyright 2004 Free Software Foundation, Inc. 
GDB is free software, covered by the GNU General Public License, and you are 
welcome to change it and/or distribute copies of it under certain conditions. 
Type "show copying" to see the conditions. 
There is absolutely no warranty for GDB. Type "show warranty" for details. 
This GDB was configured as "x86_64-apple-darwin".Attaching to process 407. 
2011-03-16 23:35:59.084 Smokie[407:207] -[OverviewController applicationWillResignActive:]: unrecognized selector sent to instance 0x4e20650 
2011-03-16 23:35:59.088 Smokie[407:207] *** Terminating app due to uncaught exception 'NSInvalidArgumentException', reason: '-[OverviewController applicationWillResignActive:]: unrecognized selector sent to instance 0x4e20650' 
*** Call stack at first throw: 
(
• 0 CoreFoundation      0x00dcb5a9 __exceptionPreprocess + 185 
• 1 libobjc.A.dylib      0x00f1f313 objc_exception_throw + 44 
• 2 CoreFoundation      0x00dcd0bb -[NSObject(NSObject) doesNotRecognizeSelector:] + 187 
• 3 CoreFoundation      0x00d3c966 ___forwarding___ + 966 
• 4 CoreFoundation      0x00d3c522 _CF_forwarding_prep_0 + 50 
• 5 Foundation       0x00025669 _nsnote_callback + 145 
• 6 CoreFoundation      0x00da39f9 __CFXNotificationPost_old + 745 
• 7 CoreFoundation      0x00d2293a _CFXNotificationPostNotification + 186 
• 8 Foundation       0x0001b20e -[NSNotificationCenter postNotificationName:object:userInfo:] + 134 
• 9 UIKit        0x002bc0a8 -[UIApplication _setActivated:] + 334 
• 10 UIKit        0x002bf905 -[UIApplication _handleApplicationSuspend:eventInfo:] + 292 
• 11 UIKit        0x002c9039 -[UIApplication handleEvent:withNewEvent:] + 4127 
• 12 UIKit        0x002c0abf -[UIApplication sendEvent:] + 71 
• 13 UIKit        0x002c5f2e _UIApplicationHandleEvent + 7576 
• 14 GraphicsServices     0x01723992 PurpleEventCallback + 1550 
• 15 CoreFoundation      0x00dac944 __CFRUNLOOP_IS_CALLING_OUT_TO_A_SOURCE1_PERFORM_FUNCTION__ + 52 
• 16 CoreFoundation      0x00d0ccf7 __CFRunLoopDoSource1 + 215 
• 17 CoreFoundation      0x00d09f83 __CFRunLoopRun + 979 
• 18 CoreFoundation      0x00d09840 CFRunLoopRunSpecific + 208 
• 19 CoreFoundation      0x00d09761 CFRunLoopRunInMode + 97 
• 20 GraphicsServices     0x017221c4 GSEventRunModal + 217 
• 21 GraphicsServices     0x01722289 GSEventRun + 115 
• 22 UIKit        0x002c9c93 UIApplicationMain + 1160 
• 23 Smokie        0x00001c30 main + 102 
• 24 Smokie        0x00001bc1 start + 53 
) 
terminate called after throwing an instance of 'NSException' 
sharedlibrary apply-load-rules all 
Current language: auto; currently objective-c 
(gdb)

我们需要更多一点，你能给我们从控制台的错误信息？当然是 – rckoenes 2011-03-16 16:23:53

。在2-3小时内，我会添加错误信息，谢谢你的帮助。 – Andreich 2011-03-16 17:20:10

答

出于某种原因，从这个问题不清楚，OverviewController的一个实例是在地方的UIApplicationDelegate应该的。可能是与MainWindow xib中的插件混淆？在Main Windo xib中，应将UIApplication实例中的“委托”插座分配给UIApplicationDelegate。是这样吗？

我这样说是因为错误是由applicationWillResignActive方法引起的：在OverviewController上调用并未找到。 applicationWillResignActive：是应用程序委托在锁定之前调用的方法。

感谢您的建议。它有助于解决问题） – Andreich 2011-03-22 23:50:44

ios应用程序崩溃时，“锁屏”

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