Trying to debug a 'Assertion failure in -[UIActionSheet showInView:]' error....

Posted by dsobol on Stack Overflow See other posts from Stack Overflow or by dsobol
Published on 2010-06-01T02:58:50Z Indexed on 2010/06/01 3:03 UTC
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I am working through "Beginning iPad Application Development" and am getting hung up in Chapter 3 where I have created a project that works with an Action Sheet.

As it stands now, my application loads into the simulator just fine with no errors that I am aware of, but as it runs, it crashes with the following errors showing up in the debugger window:

2010-05-31 19:44:39.703 UsingViewsActionSheet[49538:207] * Assertion failure in -[UIActionSheet showInView:], /SourceCache/UIKit_Sim/UIKit-1145.66/UIAlert.m:7073

2010-05-31 19:44:39.705 UsingViewsActionSheet[49538:207] * Terminating app due to uncaught exception 'NSInternalInconsistencyException', reason: 'Invalid parameter not satisfying: view != nil'

I am sure that this is the block where the app breaks based upon my use of breakpoints.

//Implement viewDidLoad to do additional setup after loading the view, typically from a nib.

- (void)viewDidLoad { UIActionSheet *action = [[UIActionSheet alloc] initWithTitle:@"This is my Action Sheet!" delegate:self cancelButtonTitle:@"OK" destructiveButtonTitle:@"Delete Message!" otherButtonTitles:@"Option 1", @"Option 2", @"Option 3", nil];

[action showInView:self.view];  // <-- This line seems to trigger the crash....
[action release];
[super viewDidLoad];

}

Am I missing something obvious, or is there more to the problem than is shown here? I have looked at the abstract for showInView and cannot divine anything there yet.

I appreciate any and all asssitance.

Regards,

Steve O'Sullivan

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