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23 Mar 2009, 04:37
Steve Fogel (20 posts)

Hi, all…

I’m thinking I’m in trouble because I’m trying to show an alert (with UIAlertView) before I add my first view to the window.

I want to initialize the SQLite3 database when the app loads. The code goes like this:

if (![self initDB])
        NSAssert(0, @"Failed to initialize database");

    // initialize tab bar controller with some nav controllers

    // Add the tab bar controller's current view as a subview of the window
    [window addSubview:tabBarController.view];

If initDB runs into trouble and tries to show an alert (for example, trying to show ‘disk full’ when failing to copy the database to the Documents folder), I get an exception. Am I not able to show an alert until at least one view has been added to the window?

Any suggestions for workarounds? I tried initializing the DB after adding the tabBarController view to the window, but ran into an exception. Some kind of race maybe.



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