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    <p>Releasing an object does not automatically assign nil to the pointer. Add <code>clickTimer = nil;</code> after your release statement. This will prevent another method from accessing an invalid object if it attempts to release <em>clickTimer</em>.</p> <p>To ensure that all of your methods properly set the <em>clickTimer</em> to <em>nil</em>, you might consider creating a method that invalidates the timer for you rather than having each method invalidate the timer:</p> <pre><code>- (void) invalidateClickTimer { // invalidate timer if (clickTimer == nil) return; [clickTimer invalidate]; [clickTimer release]; clickTimer = nil; // stop clicking [[UIApplication sharedApplication] setIdleTimerDisabled:NO]; [click setIsClicking:NO]; [clickerButton setBackgroundImage:[UIImage imageNamed:@"wood.png"] forState:UIControlStateNormal]; [clickerButton setTitle:@"Start" forState:UIControlStateNormal]; [clickStatus setText:[NSString stringWithFormat:@"%d",[click numberOfBeatsToDisplay]]]; [click setClickCount:0]; return; } </code></pre> <p>Then replace the following lines in <code>- (IBAction)clickerPressed:(id)sender</code></p> <pre><code>if ([click isClicking] == YES) { [clickTimer invalidate]; [clickTimer release]; clickTimer = nil; // enable the idle timer when the clicking is turned off [[UIApplication sharedApplication] setIdleTimerDisabled:NO]; [click setIsClicking:NO]; [clickerButton setBackgroundImage:[UIImage imageNamed:@"wood.png"] forState:UIControlStateNormal]; [clickerButton setTitle:@"Start" forState:UIControlStateNormal]; [clickStatus setText:[NSString stringWithFormat:@"%d",[click numberOfBeatsToDisplay]]]; [click setClickCount:0]; } </code></pre> <p>With this line:</p> <pre><code>if ([click isClicking] == YES) { [self invalidateClickTimer]; } </code></pre> <p>Call the new method <code>- (void) invalidateClickTimer</code> from the parent view's UIViewController. Probably in the method <code>- (void)viewWillDisappear:(BOOL)animated</code></p>
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    1. USDavid M. Syzdek
    1. USDavid M. Syzdek
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    1. COThanks, I am trying it now...
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    2. CONope, no dice. The timer is invalidated and made nil by your method, but it won't stop clicking
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    3. COWhat will not stop clicking?
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Guidance
A row detail

Detail views are divided into sections. All the information in the data section comes from columns in the selected row. The other sections display data from other, related rows.

Related data can be related in a to-one or a to-many fashion. Captions of data related in a to-many fashion link to a list view showing a filtered view of the table.

Try moving around until you find a non-empty to-many entry and click on the label to get to one. You can move back to the root by clicking on the database name in the header.

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