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All I want to do is be able to tell whether or not a user of my app is using the 24-hour clock or not. I realize that I can't set these settings, I just want to read them. If you don't know what I'm talking about, I want to be able to read the values a user has set in the built-in "Settings" app of the iPhone. The one with the gray gears as the icon.
I tried googling a variety of searches that might provide an answer, but that didn't work. I tried looking through the documentation that Apple provides for xcode programmers, but that didn't turn anything up, either.
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Open the Settings app. Tap Sign in to your [device]. Enter your Apple ID and password. If prompted, enter the six-digit verification code sent to your trusted device or phone number and complete sign in.
Every Apple iPhone, iPod touch and iPad has a unique device ID number associated with it, known as a Unique Device ID (UDID). Apple's device ID is a 40-digit sequence of letters and numbers. Customers can access their device ID numbers in iTunes or by downloading a free app from the Apple App Store.
Open Quick Settings To find your first few settings, swipe down from the top of your screen. To find all your Quick Settings, swipe down again.
If you want this information in order to display a time, you don't need to query the Settings app. NSDateFormatter will format the time according to the user's settings automatically.
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