ios-samples/AppPrefs/Settings.cs

using Foundation;

namespace AppPrefs
{
	public enum TextColors {
		Blue = 1,
		Red,
		Green
	};

	public enum BackgroundColors {
		Black = 1,
		White,
		Blue,
		Pattern
	};

	/// <summary>
	/// This class manages the system settings.
	/// </summary>
	public class Settings
	{
		public static string FirstName { get; private set;}
		public static string LastName { get; private set;}
		public static TextColors TextColor { get; private set;}
		public static BackgroundColors BackgroundColor { get; private set;}

		const string firstNameKey = "firstNameKey";
		const string lastNameKey = "lastNameKey";
		const string nameColorKey = "nameColorKey";
		const string backgroundColorKey = "backgroundColorKey";

		public static void LoadDefaultValues ()
		{
			var settingsDict = new NSDictionary (NSBundle.MainBundle.PathForResource ("Settings.bundle/Root.plist", null));

			var prefSpecifierArray = settingsDict["PreferenceSpecifiers"] as NSArray;

			foreach (var prefItem in NSArray.FromArray<NSDictionary> (prefSpecifierArray)) {
				var key = (NSString)prefItem["Key"];
				if (key == null)
					continue;

				var val = prefItem["DefaultValue"];
				switch (key.ToString ()) {
					case firstNameKey:
						FirstName = val.ToString ();
						break;
					case lastNameKey:
						LastName = val.ToString ();
						break;
					case nameColorKey:
						TextColor = (TextColors)((NSNumber)val).Int32Value;
						break;
					case backgroundColorKey:
						BackgroundColor = (BackgroundColors)((NSNumber)val).Int32Value;
						break;
				}
			}
			var appDefaults = new NSDictionary (firstNameKey, FirstName, lastNameKey, LastName, nameColorKey, (int)TextColor, backgroundColorKey, (int)BackgroundColor);

			NSUserDefaults.StandardUserDefaults.RegisterDefaults (appDefaults);
		}

		public static void SetupByPreferences ()
		{
			FirstName = NSUserDefaults.StandardUserDefaults.StringForKey (firstNameKey);
			LastName = NSUserDefaults.StandardUserDefaults.StringForKey (lastNameKey);
			TextColor = (TextColors)(int)NSUserDefaults.StandardUserDefaults.IntForKey (nameColorKey);
			BackgroundColor = (BackgroundColors)(int)NSUserDefaults.StandardUserDefaults.IntForKey (backgroundColorKey);
		}
	}
}