2014/10/15 下午 10:11:46

iphone Programming Glossary: mynstimer

How can I programmatically pause an NSTimer?

http://stackoverflow.com/questions/347219/how-can-i-programmatically-pause-an-nstimer

box that pops up and requests user input. While the user is providing input I'd like to pause i.e. something like this myNSTimer pause I'm using this syntax because I've been doing things like myNSTimer invalidate when I want it to stop. How can I programmatically.. I'd like to pause i.e. something like this myNSTimer pause I'm using this syntax because I've been doing things like myNSTimer invalidate when I want it to stop. How can I programmatically pause the NSTimer iphone objective c cocoa touch share..

How to check if NSTimer has been already invalidated

http://stackoverflow.com/questions/368253/how-to-check-if-nstimer-has-been-already-invalidated

I have a NSTimer object that I need to invalidate if a user taps on a button or if they exit a view. So I have myNSTimer invalidate inside my button handler and inside viewWillDisappear . If user taps on a button and then exists a view the app.. and inside viewWillDisappear . If user taps on a button and then exists a view the app throws an exception because myNSTimer has already been invalidated. What I need to do in the viewWillDisappear method is check if the myNSTimer has been invalidated.. because myNSTimer has already been invalidated. What I need to do in the viewWillDisappear method is check if the myNSTimer has been invalidated or not. How do I do that I've tried if myNSTimer nil myNSTimer invalidate but that didn't work. iphone..