public MvxTouchUserInterfaceBuilder(IMvxTouchView activity, object dataSource, IBuilderRegistry builderRegistry, string bindTag = MvxAutoViewConstants.MvxBindTag, string platformName = TouchConstants.PlatformName) : base(builderRegistry, platformName) { _propertyBuilder = new PropertyBuilder(); var setter = new MvxBindingPropertySetter(activity, dataSource); _propertyBuilder.CustomPropertySetters[bindTag] = setter; }