Web19 mei 2016 · 常用属性: NSFontAttributeName 文字字体 NSParagraphStyleAttributeName 段落样式(字符串通过“ \n ”进行分段,此设置必须在 lable.numberOfLines = 0 时有效,value通过 NSMutableParagraphStyle 设置,它有以下属性) [段落样式-插曲] Web14 mrt. 2010 · NSMutableAttributedString's methods aren't inherited by NSAttributedString. So any method specifically defined for NSMutableAttributedString will not work on NSAttributedString. If you want a...
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Web2 nov. 2024 · NSMutableAttributedString *attributedString = [[NSMutableAttributedString alloc] initWithString:@"I have read, understand and agree to the following ... WebKVC crash key/keypath值不正确; 设置的值的类型不匹配; NSString,NSMutableString,NSAttributedString,NSMutableAttributedString(下标越界以及参数nil异常) NSTimer(忘记invalidate ,导致内存泄漏) 不在主线程刷新UI; NSNull 方法不存在; 野指针; 功能. Unrecognized Selector crash; Container crash; KVO crash going above and beyond in a sentence
NSMutableAttributedString - 简书
Web19 apr. 2016 · 下面就来探讨一下动态计算NSAttributedString的size大小实现:. 首先提供一个对NSAttributedString进行封装的函数. 该方法会为NSAttributedString添加默认段落属性以及字体属性 (如果不存在的话) /** * return 返回封装后的NSMutableAttributedString,添加了默认NSParagraphStyleAttributeName与 ... Web7 mrt. 2015 · The documentation is pretty explicit about that. The HTML importer should not be called from a background thread (that is, the options dictionary includes NSDocumentTypeDocumentAttribute with a value of NSHTMLTextDocumentType). It will try to synchronize with the main thread, fail, and time out. let myAttributedString = NSMutableAttributedString (string: "Hello") let nsrange = NSRange (location: NSNotFound, length: 1) The second is a crash in older iOS versions when adding attributes to a subset of an emoji. If you only see crashes in older iOS versions, it should be a scenario like this one: going above and beyond 意味