Re: Proper way to initialize application support file
Re: Proper way to initialize application support file
- Subject: Re: Proper way to initialize application support file
- From: Ken Thomases <email@hidden>
- Date: Wed, 17 Feb 2010 15:58:37 -0600
On Feb 17, 2010, at 3:21 PM, Paul Johnson wrote:
> I am working on a Document-based application that needs to have a
> certain file in ~/Library/Application Support/<appname> before it can
> do anything. It needs to be created the first time the program is run
> (or if it has been deleted by the user).
>
> I've created a class XXAppDelegate and declared it as implementing the
> NSApplicationDelegate protocol, and I defined
> -(void)applicationDidFinishedLaunching:(NSNotification*)aNotification.
> In this method I want to perform the file creation. Does this sound
> like I'm on the right track? (Newbie as you can tell.)
>
> I should add that the file needs to be created by accessing the
> internet and could take even a minute to finish, so I will no doubt
> have to worry about informing the user about the delay when the
> program is run for the first time, but before I charge in this
> direction I would appreciate some affirmation I'm on the right track.
Yes, you're on the right track. You could start it earlier by putting it in -applicationWillFinishLaunching:, but I wouldn't bother in your case. If the file could be created immediately, and if other parts of your app which might run between -applicationWillFinishLaunching: and -applicationDidFinishLaunching: would be simpler to code by assuming it's already present, then doing it in the earlier method would be good. Since it's going to take a while to download the file, there's no real benefit to starting it earlier.
Regards,
Ken
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