UITextView

extension UITextView

取消对UITextView的观察无法在扩展中进行，需要在业务中进行处理 在iOS 9 (and OS X 10.11）之后，除了调用block-based api的需要手动调用removeObserver，其他不用再手动调用

  • placeholder

    占位符

    Declaration

    Swift

    public var placeholder: String { get set }
  • placeholdFont

    占位符字体

    Declaration

    Swift

    public var placeholdFont: UIFont { get set }
  • placeholdColor

    占位符字体颜色

    Declaration

    Swift

    public var placeholdColor: UIColor { get set }
  • limitLength

    限制字数长度

    Declaration

    Swift

    public var limitLength: Int { get set }
  • limitLabelFont

    限制字数Label字体

    Declaration

    Swift

    public var limitLabelFont: UIFont { get set }
  • limitLabelColor

    限制字数Label字体颜色

    Declaration

    Swift

    public var limitLabelColor: UIColor { get set }
  • limitLines

    限制的行数,优先级比限制字数低

    Declaration

    Swift

    public var limitLines: Int { get set }
  • removeObserver()

    移除观察 如果不移除，在iOS11以下会因为没有移除观察引起crash

    Declaration

    Swift

    public func removeObserver()
  • observeValue(forKeyPath:of:change:context:)

    Undocumented

    Declaration

    Swift

    override open func observeValue(forKeyPath keyPath: String?, of object: Any?, change: [NSKeyValueChangeKey : Any]?, context: UnsafeMutableRawPointer?)