Trying to change a button pic, wait a second, then change back.Not having much luck trying to get that to wo开发者_如何学Pythonrk, so is there a way to just pause the program for a second, without hav
I am trying to have a block of code run 2 seconds after I \'start\' it. I thin开发者_C百科k the NSTimer can do this but can\'t figure it out.NSTimer can be used, but another option is to use performS
I\'ve got a problem that only seems to occur on the device, not in the simulator. My app\'s animation is started and stopped using these methods:
I have an audio player and I want to show the current time of the the playback.I\'m using a custom play class.
I have my timer code set up, and it\'s all kosher, but I want my label to display \"Minutes :开发者_StackOverflow seconds\" instead of just seconds.
I am rendering a scene in which I have two spheres. I am revolving a camera around one of them. What happens is counter-intuitive. When the camera goes around the sphere the other gets in front of it
I have a schedule cache stored in an NSDictionary. For the example below, I have a schedule time of January 13, 20120 2:00PM and January 13, 2012 2:05PM. How can I add both of these to a queue to fi
I would like to increase the height of a UIImageView with every animation frame using Core Animation. Is there any way to do this?
I have a NSThread that i would like to timeout after a certain amount of time. [NSThread detachNewThreadSelector:@selector(someFuntion) toTarget:self withObject:nil];
I schedule a timer with NSTimer\'s function in viewWillAppear as follows: minutesTimer = nil; minutesTimer = [NSTimer scheduledTimerWithTimeInterval:60 target:self selector:@selector(updateScrollView
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