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NSMutableParagraphStyle *paragraph=[[NSMutableParagraphStyle 
defaultParagraphStyle] mutableCopy];

[paragraph setLineBreakMode:NSLineBreakByCharWrapping];

NSDictionary *attrs = [NSDictionary dictionaryWithObjectsAndKeys:FONT_14, NSFontAttributeName, NSParagraphStyleAttributeName, paragraph,nil];
CGRect nvoiceStateSize = [tips boundingRectWithSize:line3size
                                 options:(NSStringDrawingTruncatesLastVisibleLine|NSStringDrawingUsesLineFragmentOrigin| NSStringDrawingUsesFontLeading)
                              attributes:attrs
                                 context:nil];

it crashed when excute boundingRectWithSize:

yan
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  • Hard to tell without knowing what the type of `tips` is, but I'm gonna go on a limb and bet it is _not_ a class that implements `-boundingRectWithSize:options:attributes:context:`. – Nicolas Miari Apr 17 '17 at 03:55
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    @NicolasMiari a lucky guess, perhaps... – matt Apr 17 '17 at 04:07

0 Answers0