Objective-C Language NSTimer Creating a Timer
Example
This will create a timer to call the doSomething method on self in 5.0 seconds.
[NSTimer scheduledTimerWithTimeInterval:5.0
target:self
selector:@selector(doSomething)
userInfo:nil
repeats:NO];
Setting the repeats parameter to false/NO indicates that we want the timer to fire only once. If we set this to true/YES, it would fire every five seconds until manually invalidated.
