Android Collapse Animation by decreasing height

CollapseAnimation

private void animateAndDelete(final View view, final int deletePosition) {

		final int height = view.getMeasuredHeight();
		Animation animation = new Animation() {
			@Override
			protected void applyTransformation(float interpolatedTime,
					Transformation t) {
				view.getLayoutParams().height = height
						- (int) (height * interpolatedTime);
				view.requestLayout();
			}

			@Override
			public boolean willChangeBounds() {
				return true;
			}
		};

		animation.setDuration((int) (height * view.getContext().getResources()
				.getDisplayMetrics().density));
		animation.setInterpolator(new SmoothInterpolator());
		animation.setAnimationListener(new AnimationListener() {

			@Override
			public void onAnimationStart(Animation arg0) {
			}

			@Override
			public void onAnimationRepeat(Animation arg0) {
			}

			@Override
			public void onAnimationEnd(Animation arg0) {
				view.setVisibility(View.GONE);
			}
		});
		view.startAnimation(animation);
	}

	public class SmoothInterpolator extends LinearInterpolator {

		@Override
		public float getInterpolation(float input) {
			return (float) Math.pow(input - 1, 5) + 1;
		}

	}