I have a UILabel
whose text I am getting from a server. Some of the text is to be identified as links, and on touching those links some action should be performed. e.g.
NSString *str = @"My phone number is 645-345-2345 and my address is xyz";
This is the complete text for UILabel
. I have only one UILabel
for displaying this text (Text is dynamic. I just gave an example.). On clicking these links I need to perform actions like navigating to some different screen or make a call.
I know that I can display such text with help of OHAttributedLabel. And the links can be displayed as follows :
[label1 addCustomLink:[NSURL URLWithString:@"http://www.foodreporter.net"] inRange:[txt rangeOfString:someString]];
But I wonder how can I make these text links perform some action like navigation to different screen or making a call.
Let me know if more explanation is required.
To render this text properly in UILabel or UITextView, you need to convert it to NSAttributedString . NSAttributedString has built-in support for this conversion. First, we need to convert HTML string to Data . let htmlString = "This is a <b>bold</b> text."
You can add custom actions to any of the available UILabel
replacements that support links using a fake URL scheme that you'll intercept later:
TTTAttributedLabel *tttLabel = <# create the label here #>; NSString *labelText = @"Lost? Learn more."; tttLabel.text = labelText; NSRange r = [labelText rangeOfString:@"Learn more"]; [tttLabel addLinkToURL:[NSURL URLWithString:@"action://show-help"] withRange:r];
Then, in your TTTAttributedLabelDelegate
:
- (void)attributedLabel:(TTTAttributedLabel *)label didSelectLinkWithURL:(NSURL *)url { if ([[url scheme] hasPrefix:@"action"]) { if ([[url host] hasPrefix:@"show-help"]) { /* load help screen */ } else if ([[url host] hasPrefix:@"show-settings"]) { /* load settings screen */ } } else { /* deal with http links here */ } }
TTTAttributedLabel is a fork of OHAttributedLabel.
If you want a more complex approach, have a look to Nimbus Attributed Label. It support custom links out-of-the-box.
If you love us? You can donate to us via Paypal or buy me a coffee so we can maintain and grow! Thank you!
Donate Us With