Approval Error

Question

I am developing an iPad application with SDK4.2. I have a very strange error when touching any text field in my application. The first time I touch, the keyboard is displayed, but when the second touch is made in the object, I get the following trace. And this also happens in any TextField shown on an HTML page with a UIWebView object. Any ideas? I am really confused by this. Thanks in advance!

2010-12-17 11:53:11.697 BancoPopular[48914:207] *** Assertion failure in -[UIButtonLabel setTextColor:], /SourceCache/UIKit_Sim/UIKit-1447.6.4/UILabel.m:314 2010-12-17 11:53:11.699 BancoPopular[48914:207] *** Terminating app due to uncaught exception 'NSInternalInconsistencyException', reason: 'Invalid parameter not satisfying: color' *** Call stack at first throw: ( 0 CoreFoundation 0x01730be9 __exceptionPreprocess + 185 1 libobjc.A.dylib 0x018855c2 objc_exception_throw + 47 2 CoreFoundation 0x016e9628 +[NSException raise:format:arguments:] + 136 3 Foundation 0x0013947b -[NSAssertionHandler handleFailureInMethod:object:file:lineNumber:description:] + 116 4 UIKit 0x0045d1dc -[UILabel setTextColor:] + 164 5 UIKit 0x0052177b -[UIButton layoutSubviews] + 1337 6 UIKit 0x005f3420 -[UICalloutBarButton layoutSubviews] + 54 7 QuartzCore 0x011a4451 -[CALayer layoutSublayers] + 181 8 QuartzCore 0x011a417c CALayerLayoutIfNeeded + 220 9 QuartzCore 0x011a4088 -[CALayer layoutIfNeeded] + 111 10 UIKit 0x0051f2ff -[UIButton titleLabel] + 81 11 UIKit 0x005f81d1 -[UICalloutBarButton setContentScale:] + 141 12 UIKit 0x005f6c5d -[UICalloutBar _updateVisibleItems] + 2240 13 UIKit 0x005f2970 -[UICalloutBar appear] + 211 14 UIKit 0x005eaaa9 -[UITextSelectionView showCommandsWithReplacements:] + 291 15 Foundation 0x000bd7f6 __NSFireDelayedPerform + 441 16 CoreFoundation 0x01711fe3 __CFRUNLOOP_IS_CALLING_OUT_TO_A_TIMER_CALLBACK_FUNCTION__ + 19 17 CoreFoundation 0x01713594 __CFRunLoopDoTimer + 1220 18 CoreFoundation 0x0166fcc9 __CFRunLoopRun + 1817 19 CoreFoundation 0x0166f240 CFRunLoopRunSpecific + 208 20 CoreFoundation 0x0166f161 CFRunLoopRunInMode + 97 21 GraphicsServices 0x01e25268 GSEventRunModal + 217 22 GraphicsServices 0x01e2532d GSEventRun + 115 23 UIKit 0x0034d42e UIApplicationMain + 1160 24 BancoPopular 0x0000292e main + 84 25 BancoPopular 0x000028d1 start + 53 26 ??? 0x00000001 0x0 + 1 ) terminate called after throwing an instance of 'NSException' 

Answer 1

Look carefully at what an exception is. He said: “Reason:“ Invalid parameter, not satisfying: color ”, somewhere in your code, you are specifying the wrong parameter, which must be a valid color. It looks like you are using a UIButton with a label and setting its color but not valid.

Answer 2

I assume that you have some kind of object that goes away somewhere, and that object contains the value "color".

Most likely, you received an autorealized value from some call and did not save it, so it went “poof” when the user interface appeared on the air.