NSTimer
NSTimer
- Subject: NSTimer
- From: Christopher Hickman <email@hidden>
- Date: Wed, 31 Aug 2005 14:38:58 -0400
Hi folks,
I have an NSTimer that I'm trying to use to periodicly call a method.
The
timer gets created, but it doesn't call my method when it fires. Here's
my code, do you see anything wrong?
-(void)incrementProgressIndicator;
{
NSLog(@"incrementProgressIndicator"); //Never logs
//progressIndicator is an NSProgressIndicator IBOutlet of this object
//incrementAmount is a double ivar with a written accessor
if (progressIndicator != nil) {[progressIndicator incrementBy:[self
incrementAmount]];}
}
-(void)incrementProgressIndicatorEveryTimeInterval:
(NSTimeInterval)seconds iterations:(int)iterations;
{
NSLog(@"incrementProgressIndicatorEveryTimeInterval: %f iterations:
%i", seconds, iterations);
NSTimer *incrementerTimer;
NSInvocation *incrementerInvocation;
incrementerInvocation = [NSInvocation invocationWithMethodSignature:
[self
methodSignatureForSelector:@selector(incrementProgressIndicator)]];
incrementerTimer = [NSTimer scheduledTimerWithTimeInterval:seconds
invocation:incrementerInvocation
repeats:YES];
//incrementerTimer needs to be invalidated after it fires (iterations)
times, so we set up a
//second timer to wait (seconds * iterations) seconds and invalidate
the original timer
[NSTimer scheduledTimerWithTimeInterval:(seconds*iterations)
invocation:[NSInvocation invocationWithMethodSignature:
[incrementerTimer
methodSignatureForSelector:@selector(invalidate)]]
repeats:NO];
}
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