i got signal sigabrt

[snowleung]

this line;
-[NSNull sizeWithFont:constrainedToSize:lineBreakMode:]:

lldb output:

2012-07-14 10:08:47.278 BroBoard[8913:f803] -[NSNull sizeWithFont:constrainedToSize:lineBreakMode:]: unrecognized selector sent to instance 0x146cce8
2012-07-14 10:08:47.279 BroBoard[8913:f803] *** Terminating app due to uncaught exception 'NSInvalidArgumentException', reason: '-[NSNull sizeWithFont:constrainedToSize:lineBreakMode:]: unrecognized selector sent to instance 0x146cce8'
*** First throw call stack:
(0x13d6022 0x1567cd6 0x13d7cbd 0x133ced0 0x133ccb2 0x9340 0x4111 0x5ba2 0x51cd 0x3e85 0x3d6c 0xa2155e 0x95e63e 0x9571e7 0x956eea 0x9e70ad 0x3d9c330 0x3d9e509 0x130d803 0x130cd84 0x130cc9b 0x12bf7d8 0x12bf88a 0x20626 0x2b22 0x2a95)
terminate called throwing an exception(lldb)

maybe something wrong with the label size.

[sgruby]

I submitted a fix for this. Sometimes the caption object is returned as an NSNull an not an NSString.

[snowleung]

yes,you're right,i run the demo anther time it's work,thanks.