How to animate width of any View

gistfile1.java

ValueAnimator.ofObject(new WidthEvaluator(view), 50, 500).setDuration(400).start();

WidthEvaluator.java

import android.animation.IntEvaluator;
import android.view.View;
import android.view.ViewGroup;

public final class WidthEvaluator extends IntEvaluator {
	
	private final View view;

	public WidthEvaluator(View dashboard) {
		this.view = dashboard;
	}

	@Override
	public Integer evaluate(float fraction, Integer startValue, Integer endValue) {
	  ViewGroup.LayoutParams params = view.getLayoutParams();
	  params.width = super.evaluate(fraction, startValue, endValue);
	  view.setLayoutParams(params);
	  return params.width;
	}
}