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https://github.com/bitwarden/mobile
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access group for keychain. load sites for given hostname in extension
This commit is contained in:
Kyle Spearrin
235
src/iOS.Core/Services/Settings.cs
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235
src/iOS.Core/Services/Settings.cs
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using System;
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#if __UNIFIED__
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using Foundation;
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#else
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using MonoTouch.Foundation;
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#endif
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using Plugin.Settings.Abstractions;
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namespace Bit.iOS.Core.Services
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{
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/// <summary>
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/// Main implementation for ISettings
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/// </summary>
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public class Settings : ISettings
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{
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private readonly object locker = new object();
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private readonly NSUserDefaults _defaults;
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public Settings(string defaultsName)
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{
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_defaults = string.IsNullOrWhiteSpace(defaultsName) ? NSUserDefaults.StandardUserDefaults
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: new NSUserDefaults(defaultsName, NSUserDefaultsType.SuiteName);
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}
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/// <summary>
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/// Gets the current value or the default that you specify.
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/// </summary>
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/// <typeparam name="T">Vaue of t (bool, int, float, long, string)</typeparam>
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/// <param name="key">Key for settings</param>
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/// <param name="defaultValue">default value if not set</param>
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/// <returns>Value or default</returns>
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public T GetValueOrDefault<T>(string key, T defaultValue = default(T))
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{
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lock(locker)
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{
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var defaults = _defaults;
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if(defaults.ValueForKey(new NSString(key)) == null)
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return defaultValue;
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Type typeOf = typeof(T);
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if(typeOf.IsGenericType && typeOf.GetGenericTypeDefinition() == typeof(Nullable<>))
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{
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typeOf = Nullable.GetUnderlyingType(typeOf);
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}
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object value = null;
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var typeCode = Type.GetTypeCode(typeOf);
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switch(typeCode)
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{
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case TypeCode.Decimal:
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var savedDecimal = defaults.StringForKey(key);
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value = Convert.ToDecimal(savedDecimal, System.Globalization.CultureInfo.InvariantCulture);
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break;
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case TypeCode.Boolean:
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value = defaults.BoolForKey(key);
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break;
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case TypeCode.Int64:
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var savedInt64 = defaults.StringForKey(key);
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value = Convert.ToInt64(savedInt64, System.Globalization.CultureInfo.InvariantCulture);
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break;
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case TypeCode.Double:
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value = defaults.DoubleForKey(key);
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break;
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case TypeCode.String:
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value = defaults.StringForKey(key);
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break;
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case TypeCode.Int32:
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#if __UNIFIED__
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value = (Int32)defaults.IntForKey(key);
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#else
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value = defaults.IntForKey(key);
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#endif
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break;
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case TypeCode.Single:
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#if __UNIFIED__
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value = (float)defaults.FloatForKey(key);
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#else
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value = defaults.FloatForKey(key);
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#endif
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break;
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case TypeCode.DateTime:
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var savedTime = defaults.StringForKey(key);
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if(string.IsNullOrWhiteSpace(savedTime))
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{
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value = defaultValue;
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}
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else
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{
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var ticks = Convert.ToInt64(savedTime, System.Globalization.CultureInfo.InvariantCulture);
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if(ticks >= 0)
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{
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//Old value, stored before update to UTC values
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value = new DateTime(ticks);
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}
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else
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{
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//New value, UTC
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value = new DateTime(-ticks, DateTimeKind.Utc);
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}
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}
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break;
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default:
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if(defaultValue is Guid)
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{
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var outGuid = Guid.Empty;
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var savedGuid = defaults.StringForKey(key);
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if(string.IsNullOrWhiteSpace(savedGuid))
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{
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value = outGuid;
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}
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else
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{
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Guid.TryParse(savedGuid, out outGuid);
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value = outGuid;
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}
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}
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else
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{
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throw new ArgumentException(string.Format("Value of type {0} is not supported.", value.GetType().Name));
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}
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break;
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}
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return null != value ? (T)value : defaultValue;
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}
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}
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/// <summary>
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/// Adds or updates a value
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/// </summary>
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/// <param name="key">key to update</param>
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/// <param name="value">value to set</param>
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/// <returns>True if added or update and you need to save</returns>
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public bool AddOrUpdateValue<T>(string key, T value)
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{
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Type typeOf = typeof(T);
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if(typeOf.IsGenericType && typeOf.GetGenericTypeDefinition() == typeof(Nullable<>))
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{
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typeOf = Nullable.GetUnderlyingType(typeOf);
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}
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var typeCode = Type.GetTypeCode(typeOf);
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return AddOrUpdateValue(key, value, typeCode);
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}
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private bool AddOrUpdateValue(string key, object value, TypeCode typeCode)
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{
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lock(locker)
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{
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var defaults = _defaults;
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switch(typeCode)
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{
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case TypeCode.Decimal:
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defaults.SetString(Convert.ToString(value, System.Globalization.CultureInfo.InvariantCulture), key);
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break;
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case TypeCode.Boolean:
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defaults.SetBool(Convert.ToBoolean(value), key);
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break;
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case TypeCode.Int64:
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defaults.SetString(Convert.ToString(value, System.Globalization.CultureInfo.InvariantCulture), key);
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break;
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case TypeCode.Double:
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defaults.SetDouble(Convert.ToDouble(value, System.Globalization.CultureInfo.InvariantCulture), key);
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break;
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case TypeCode.String:
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defaults.SetString(Convert.ToString(value), key);
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break;
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case TypeCode.Int32:
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defaults.SetInt(Convert.ToInt32(value, System.Globalization.CultureInfo.InvariantCulture), key);
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break;
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case TypeCode.Single:
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defaults.SetFloat(Convert.ToSingle(value, System.Globalization.CultureInfo.InvariantCulture), key);
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break;
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case TypeCode.DateTime:
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defaults.SetString(Convert.ToString(-(Convert.ToDateTime(value)).ToUniversalTime().Ticks), key);
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break;
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default:
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if(value is Guid)
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{
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if(value == null)
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value = Guid.Empty;
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defaults.SetString(((Guid)value).ToString(), key);
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}
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else
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{
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throw new ArgumentException(string.Format("Value of type {0} is not supported.", value.GetType().Name));
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}
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break;
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}
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try
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{
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defaults.Synchronize();
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}
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catch(Exception ex)
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{
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Console.WriteLine("Unable to save: " + key, " Message: " + ex.Message);
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}
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}
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return true;
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}
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/// <summary>
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/// Removes a desired key from the settings
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/// </summary>
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/// <param name="key">Key for setting</param>
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public void Remove(string key)
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{
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lock(locker)
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{
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var defaults = _defaults;
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try
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{
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var nsString = new NSString(key);
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if(defaults.ValueForKey(nsString) != null)
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{
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defaults.RemoveObject(key);
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defaults.Synchronize();
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}
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}
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catch(Exception ex)
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{
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Console.WriteLine("Unable to remove: " + key, " Message: " + ex.Message);
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}
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}
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}
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}
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}
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