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POAdding A Visual Timer To A View, iPhone
 

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    <p>I have a view (splash screen) which displays for two minutes:</p> <pre><code>- (void)applicationDidFinishLaunching:(UIApplication *)application { [viewController showSplash]; } - (void)showSplash // Show splash screen { UIViewController *modalViewController = [[UIViewController alloc] init]; modalViewController.view = modelView; [self presentModalViewController:modalViewController animated:NO]; [self performSelector:@selector(hideSplash) withObject:nil afterDelay:120.0]; } </code></pre> <p>I want to add a timer which counts down from 2 minutes to zero to this splash screen.</p> <p>I imagine I will need to create another view containing the timer. Is this correct? How would I do this and add it to the splash screen, and how would I make the numbers in the timer be displayed on screen in white?</p> <p>I know two minutes is a very long time to display a splash screen for... but I am just experimenting with various things, there are other things going on for the two minutes!</p> <p>Many thanks,</p> <p>Stu</p> <p>Edit // Ok I now have this:</p> <p>(.h)</p> <pre><code>NSTimer *timer5; UILabel *countDown; float timeOnSplash; </code></pre> <p>(.m)</p> <pre><code>- (void) updateLabel:(NSTimer*)theTimer { float timeOnSplash = timeOnSplash - 1; countDown.text = [NSString stringWithFormat:@"%02d:%02d", timeOnSplash]; } - (void)applicationDidFinishLaunching:(UIApplication *)application { timer5 = [NSTimer scheduledTimerWithTimeInterval:1 target:self selector:@selector(updateLabel:) userInfo:nil repeats:YES]; countDown.text = [NSString stringWithFormat:@"%02d:%02d", timeOnSplash]; } </code></pre> <p>I get the following uncaught exception when I run the code:</p> <p>'NSUnknownKeyException', reason: '[ setValue:forUndefinedKey:]: this class is not key value coding-compliant for the key countDown.'</p> <p>Any ideas?</p> <p>Edit 2 // Working now, for an excellent solution see TechZen's answer. </p> <p>Many thanks to all!</p>
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