private void InitializeAnimationDuration(TypedArray attributes)
 {
     int animationDuration =
         attributes.GetInteger(Resource.Styleable.expandable_selector_animation_duration,
             DEFAULT_ANIMATION_DURATION);
     int expandInterpolatorId =
         attributes.GetResourceId(Resource.Styleable.expandable_selector_expand_interpolator,
             global::Android.Resource.Animation.AccelerateInterpolator);
     int collapseInterpolatorId =
         attributes.GetResourceId(Resource.Styleable.expandable_selector_collapse_interpolator,
             global::Android.Resource.Animation.DecelerateInterpolator);
     int containerInterpolatorId =
         attributes.GetResourceId(Resource.Styleable.expandable_selector_container_interpolator,
             global::Android.Resource.Animation.DecelerateInterpolator);
     this._expandableSelectorAnimator = new ExpandableSelectorAnimator(this, animationDuration,
         expandInterpolatorId,
         collapseInterpolatorId, containerInterpolatorId);
 }