How to show a splash screen during launch of a Cocoa app?

Question

I would like to show the user a splash screen (a picture) while my Cocoa-based application launches. How would this be possible?

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First thanks a lot. because my

Answer 1

Why do you hate your users?

Seriously, don't do this. Don't make your users wait to use your app. Make your app launch quickly instead.

(And just in case you insist on an answer: Show a window with the image in it, then hide the window when you feel the user has waited long enough.)