public bool DeleteValue(string key, bool roaming = false)
{
if (string.IsNullOrEmpty(key))
{
throw new ArgumentException("Key must have a value", "key");
}
SharedPreferencesEditor.Remove(key);
return(SharedPreferencesEditor.Commit());
}
public bool ClearAllValues(bool roaming = false)
{
SharedPreferencesEditor.Clear();
return(SharedPreferencesEditor.Commit());
}
public bool AddOrUpdateValue <T>(string key, T value = default(T), bool roaming = false)
{
lock (locker)
{
Type typeOf = value.GetType();
if (typeOf.IsGenericType && typeOf.GetGenericTypeDefinition() == typeof(Nullable <>))
{
typeOf = Nullable.GetUnderlyingType(typeOf);
}
var typeCode = Type.GetTypeCode(typeOf);
switch (typeCode)
{
case TypeCode.Decimal:
SharedPreferencesEditor.PutLong(key,
(long)Convert.ToDecimal(value, CultureInfo.InvariantCulture));
break;
case TypeCode.Boolean:
SharedPreferencesEditor.PutBoolean(key, Convert.ToBoolean(value));
break;
case TypeCode.Int64:
SharedPreferencesEditor.PutLong(key,
(long)Convert.ToInt64(value, CultureInfo.InvariantCulture));
break;
case TypeCode.String:
SharedPreferencesEditor.PutString(key, Convert.ToString(value));
break;
case TypeCode.Double:
SharedPreferencesEditor.PutLong(key,
(long)Convert.ToDouble(value, CultureInfo.InvariantCulture));
break;
case TypeCode.Int32:
SharedPreferencesEditor.PutInt(key,
Convert.ToInt32(value, CultureInfo.InvariantCulture));
break;
case TypeCode.Single:
SharedPreferencesEditor.PutFloat(key,
Convert.ToSingle(value, CultureInfo.InvariantCulture));
break;
case TypeCode.DateTime:
SharedPreferencesEditor.PutLong(key, ((DateTime)(object)value).Ticks);
break;
default:
throw new ArgumentException(string.Format("Value of type {0} is not supported.",
value.GetType().Name));
}
}
lock (locker)
{
SharedPreferencesEditor.Commit();
}
return(true);
}
