在运行我的应用程序时,我一直遇到这个问题。它可以成功编译:
GNU gdb 6.3.50-20050815 (Apple version gdb-1518) (Thu Jan 27 08:30:35 UTC 2011)
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This GDB was configured as "i386-apple-darwin".Attaching to process 1833.
2011-06-01 10:20:07.576 MicroBetas[1833:207] -[UIApplication tableView:numberOfRowsInSection:]: unrecognized selector sent to instance 0x4d0f9e0
2011-06-01 10:20:07.580 MicroBetas[1833:207] *** Terminating app due to uncaught exception 'NSInvalidArgumentException', reason: '-[UIApplication tableView:numberOfRowsInSection:]: unrecognized selector sent to instance 0x4d0f9e0'
*** Call stack at first throw:
(
0 CoreFoundation 0x00ecbbe9 __exceptionPreprocess + 185
1 libobjc.A.dylib 0x00cc05c2 objc_exception_throw + 47
2 CoreFoundation 0x00ecd6fb -[NSObject(NSObject) doesNotRecognizeSelector:] + 187
3 CoreFoundation 0x00e3d366 ___forwarding___ + 966
4 CoreFoundation 0x00e3cf22 _CF_forwarding_prep_0 + 50
5 UIKit 0x001cff16 -[UISectionRowData refreshWithSection:tableView:tableViewRowData:] + 1834
6 UIKit 0x001cd9e7 -[UITableViewRowData numberOfRows] + 108
7 UIKit 0x000848c2 -[UITableView noteNumberOfRowsChanged] + 132
8 UIKit 0x000912b8 -[UITableView reloadData] + 773
9 UIKit 0x0008e470 -[UITableView layoutSubviews] + 42
10 QuartzCore 0x01612451 -[CALayer layoutSublayers] + 181
11 QuartzCore 0x0161217c CALayerLayoutIfNeeded + 220
12 QuartzCore 0x0160b37c _ZN2CA7Context18commit_transactionEPNS_11TransactionE + 310
13 QuartzCore 0x0160b0d0 _ZN2CA11Transaction6commitEv + 292
14 UIKit 0x0001a19f -[UIApplication _reportAppLaunchFinished] + 39
15 UIKit 0x0001a659 -[UIApplication _runWithURL:payload:launchOrientation:statusBarStyle:statusBarHidden:] + 690
16 UIKit 0x00024db2 -[UIApplication handleEvent:withNewEvent:] + 1533
17 UIKit 0x0001d202 -[UIApplication sendEvent:] + 71
18 UIKit 0x00022732 _UIApplicationHandleEvent + 7576
19 GraphicsServices 0x01021a36 PurpleEventCallback + 1550
20 CoreFoundation 0x00ead064 __CFRUNLOOP_IS_CALLING_OUT_TO_A_SOURCE1_PERFORM_FUNCTION__ + 52
21 CoreFoundation 0x00e0d6f7 __CFRunLoopDoSource1 + 215
22 CoreFoundation 0x00e0a983 __CFRunLoopRun + 979
23 CoreFoundation 0x00e0a240 CFRunLoopRunSpecific + 208
24 CoreFoundation 0x00e0a161 CFRunLoopRunInMode + 97
25 UIKit 0x00019fa8 -[UIApplication _run] + 636
26 UIKit 0x0002642e UIApplicationMain + 1160
27 MicroBetas 0x00002299 main + 121
28 MicroBetas 0x00002215 start + 53
)
terminate called after throwing an instance of 'NSException'
sharedlibrary apply-load-rules all
Current language: auto; currently objective-c
(gdb)
代码似乎在以下位置卡住了:
- (NSInteger)tableView:(UITableView *)tableView
numberOfRowsInSection:(NSInteger)section {
return [self.colorNames count];
}
- (NSInteger)tableView:(UITableView *)tableView numberOfRowsInSection:(NSInteger)section { return [self.colorNames count]; }
- Brian H.