Rxswift: Swift 3 subscribe on uilabel text change

Created on 4 Jul 2017 · 5Comments · Source: ReactiveX/RxSwift

Hello. Noob here for Rx. I really cant find example on show to subscribe to uilabel's text change.
Anyone can show me an example on how to do it?
Thanks

Source

iad24

Most helpful comment

UILabel dose not have delegate. Can use KVO.

label.rx.observe(String.self, "text")
        .subscribe(onNext: { text in
              print(text)
        })
        .disposed(by: disposeBag)

linqingmo on 4 Jul 2017

👍3

All 5 comments

UILabel.rx.text is Observer not Observable, it cannot be subscribed.

linqingmo on 4 Jul 2017

@linqingmo Yes, I noticed that too. So any other way?

iad24 on 4 Jul 2017

UILabel dose not have delegate. Can use KVO.

label.rx.observe(String.self, "text")
        .subscribe(onNext: { text in
              print(text)
        })
        .disposed(by: disposeBag)

linqingmo on 4 Jul 2017

👍3

Hi,

this doesn't look like an issue with the project itself but more of a "how do I do XXX" question.
Please ask these kinds of questions in our slack channel http://rxswift-slack.herokuapp.com/ or some other more appropriate communication channel.

We are asking this because:

we can't scale development of this project if people are reporting false issues and we are spending lot of time answering those directly instead of working on this project.
all who are interested in development of this project and watching it are being spammed by irrelevant information.
those who want to know what are currently unresolved serious issues are having a harder time figuring it out because list is spammed by non issues, so the real issues are masked.
Thank you for understanding.

Regardless of that, there is no problem doing label.rx.subscribe(onNext: { text in ... , Please make sure you imported RxCocoa.