Change UILabel attributed String

Question

I use this code to add attributed strings to a label:

let attrString = NSMutableAttributedString(string: text)
// add some attributes
myLabel.attributedText = attrString

Now is it possible to change only the text of the attributed string myLabel and keeping the attributes?

Yeah it is possible. But you have to do by attributed string. — 200_OK
– 200_OK, Commented Aug 21, 2017 at 13:17
As far I know. Nope. Each and every time label set attributed text also with the attributed dictionary. If you want to make that previous attribute as function or globe variable. — Mathi Arasan
– Mathi Arasan, Commented Aug 21, 2017 at 13:19

staticVoidMan · Accepted Answer · 2017-08-21 14:13:47Z

4

Through it's mutableString property

Example:

let astrMessage = NSMutableAttributedString(string: "Hello World")

//set some attributes
astrMessage.addAttribute(NSAttributedStringKey.foregroundColor,
                         value: UIColor.blue,
                         range: NSRange(location: 0, length: 5))
astrMessage.addAttribute(NSAttributedStringKey.foregroundColor,
                         value: UIColor.red,
                         range: NSRange(location: 6, length: 5))

//update
astrMessage.mutableString.setString("World Welcome")

NOTE: Only the first attribute will be applied to the updated text.

answered Aug 21, 2017 at 14:13

staticVoidMan

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Comments

Shalva Avanashvili · Accepted Answer · 2017-08-21 13:26:38Z

0

Change the mutable string of your attributed string and reassign the NSMutableAttributedString to your label.

attrString.mutableString.setString("newText")
myLabel.attributedText = attrString

P.S If you do not have the access to your attributed string variable, get it from the label.

let myAttrString = myLabel.attributedText as? NSMutableAttributedString
if let attrString = myAttrString {
    attrString.mutableString.setString("newText")
    myLabel.attributedText = attrString
}

answered Aug 21, 2017 at 13:26

Shalva Avanashvili

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Comments

Abdelahad Darwish · Accepted Answer · 2017-08-21 13:39:45Z

0

get your label attribute

let linkAttributes = NSMutableAttributedString(attributedString: label.attributedText)

you can give add attribute.

linkAttributes.addAttribute(NSLinkAttributeName, value: "username://marcelofabri_", range: linkRange)
let linkAttributes: [String : Any] = [
    NSForegroundColorAttributeName: UIColor.green,
    NSUnderlineColorAttributeName: UIColor.lightGray,
    NSUnderlineStyleAttributeName: NSUnderlineStyle.styleSingle.rawValue]

Add Attributed text to your label

myLabel.attributedText = linkAttributes

edited Aug 21, 2017 at 13:39

answered Aug 21, 2017 at 13:20

Abdelahad Darwish

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4 Comments

David Pasztor Over a year ago

And how does this answer OP's question? You didn't show how to change the attributed string's string property without changing the attributes...

Abdelahad Darwish Over a year ago

you can get label attribute and change any one

Abdelahad Darwish Over a year ago

let newAttributedString = NSMutableAttributedString(attributedString: label.attributedText) use newAttributedString to edit any attribute

David Pasztor Over a year ago

Maybe include the relevant code in your answer instead of comments.

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