Swift-uicountinglabel basic use of rich text

Uicountinglabel as the effect of text animation, is the most used in OC, today we talk about basic use in swift, including swift3 and swift4 How to use Uicountinglabel want to use Uicountinglabel or to download it first . Download Address: Https://github.com/dataxpress/UICountingLabel

Uicountinglabel only supports shaping and floating-point style because this is written with OC, we need to use the Swift Bridge to connect the Austrian, will not bridge the students can self-Baidu many tutorials We first look at the effect and code in the SWIFT3

to sort out some basic

1. Create (Don't say more, you can create it by init)
2. How to use the above image under Rich text

on the Code

var titleText: String! {

       didSet {

//e.g: Take the string "10239" as an example

// subbStrs is to intercept 10239 in the current string

           let subbStrs = titleText? .substring (to: (titleText? .index ((titleText? .startIndex) !, offsetBy: (titleText? .count)!-1))!)

           let str = titleText

           let index = str? .index ((str? .startIndex) !, offsetBy: (str? .count)!-1)

// subStr is the number of intercepted strings

           let subStr = str? .substring (from: index!)

           self.subStr = subStr

// UICountingLabel's rich text callback

           countingLabel.attributedFormatBlock = ((_ value) in

               let object = "\ (Int (value)) \ (self.subStr!)"

               let attributedStr = NSMutableAttributedString.init (string: object)

               let rangeStr = object as NSString

               let range = rangeStr.range (of: self.subStr!)

// Swift3 gets the specified string according to the current range, and then changes the size

               attributedStr.addAttribute (NSFontAttributeName, value: UIFont.pingfangSC (size: 14), range: range)

               return attributedStr

           }

// The following is the basic configuration UICountingLabel animation effect, just two sentences

           countingLabel.format = "% d"

           countingLabel.count (from: 0, to: CGFloat (Int (subbStrs!)!), withDuration: 2)

       }

   }

   var subStr: String!

We're looking at the use of the SWIFT4.

The effect is the same, that is, the syntax of this piece is a little different

countingLabel.attributedFormatBlock = ((_ object) in
             let str = "\ (Int (object))%"
             let attrStr = NSMutableAttributedString.init (string: str)
             let rangeStr = str as NSString

             let range = rangeStr.range (of: "%")
// The rich text syntax system has made some changes, and it looks OK
             attrStr.addAttribute (NSAttributedStringKey.font, value: UIFont.systemFont (ofSize: 30), range: range)
             attrStr.addAttribute (NSAttributedStringKey.foregroundColor, value: UIColor.red, range: range)
             return attrStr
         }
         countingLabel.format = "% d"
         countingLabel.count (from: 0, to: 10239, withDuration: 2)

The above is swift3 and swift4 in Uicountinglabel Rich Text basic use, have any questions can be in the bottom of the message Austria