I think you need to add something like
[[NSRunLoop currentRunLoop] addTimer: timer forMode: NSDefaultRunLoopMode];
for your timers in order to have the run loop run them; otherwise, I think you've created objects that actually aren't going to do anything but sit there.
On Wednesday, August 31, 2005 Christopher Hickman <email@hidden> wrote:
>Message: 2
>Date: Wed, 31 Aug 2005 14:38:58 -0400
>From: Christopher Hickman <email@hidden>
>Subject: NSTimer
>
>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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