Eric,
Without looking too closely, I see several problems, there may be
others.
Firstly, in your updateTextfield method, you are using
startTimewithout initialising it.
Secondly, in your timer callback (updateTextfield), you never update
the value of your clock gadget, so of course it doesn't change.
Thirdly, as far as I can tell, you aren't correctly setting the
interval for the timer - you seem to be setting it to 0. I don't know
what that does to the system.
When using a timer, I generaly find it easier to do this:
timer = [NSTimer scheduledTimerWithTimeInterval:1.0 target:self
selector:updateTextfield userInfo:nil repeats: true];
This repets with an interval of 1.0 seconds (syntax may be wrong for
the selector, I use RubyCocoa, not Objective-C).
Using this call, you don't need to use a runloop at all, it's all
automagically handled for you. All you need to do is call [timer
invalidate] when you want to stop the timer.
Hope that helps.
Alli
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