CODEWITHSUNDEEP
iosuibutton
Markus
Markus

Reputation: 777

Programmatically change attributed title of UIButton

I want to programmatically change the title of an UIButton which has an attributed title. The button is created in IB. I do not want to change the attributes just the title/text.

I've tried the code below but cannot find a way to change the title of the NSAttributedString.

NSAttributedString *attributedString = [self.deleteButton attributedTitleForState:UIControlStateNormal];

// How can I change title of attributedString without changing the attributes?

[self.deleteButton setAttributedTitle:attributedString forState:UIControlStateNormal];

Thank you!

Upvotes: 16

Views: 19474

Answers (3)

Danny
Danny

Reputation: 4079

Swift 3 answer:

if let attributedTitle = yourButton.attributedTitle(for: .normal) {
    let mutableAttributedTitle = NSMutableAttributedString(attributedString: attributedTitle)
    mutableAttributedTitle.replaceCharacters(in: NSMakeRange(0, mutableAttributedTitle.length), with: "New title")
    yourButton.setAttributedTitle(mutableAttributedTitle, for: .normal)
}

Upvotes: 22

CodingMeSwiftly
CodingMeSwiftly

Reputation: 3261

It really depends on your attributedString:

  • 'plain' attributedString: This means your attrString has only 1 set of attributes which apply to the entire length of the string. In this case, you can do the following:

    NSAttributedString *attrString = WHATEVER;
NSDictionary *attributes = [attrString attributesAtIndex:0 effectiveRange:NULL];
NSAttributedString *newAttrString = [[NSAttributedString alloc] initWithString:WHATEVER
                                                                    attributes:attributes];

  • your attributedString has different ranges of attributes:
    This can get really complicated depending on the structure of you attributedString, because you would have to do a lot of range handling, etc. In this case, you are better off creating a new NSMutableAttributedString and set the attributes from scratch.

Upvotes: 3

Goppinath
Goppinath

Reputation: 10739

Partially you have the answer.

 NSMutableAttributedString *attributedString = [[NSMutableAttributedString alloc] initWithAttributedString:[_ deleteButton attributedTitleForState:UIControlStateNormal]];

[attributedString replaceCharactersInRange:NSMakeRange(0, attributedString.length) withString:@"Your new string"];

[_ deleteButton setAttributedTitle:attributedString forState:UIControlStateNormal];

Instead of creating NSAttributedString create NSMutableAttributedString then you can just set the string like this.

Upvotes: 20

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