CardTransformer.java

/*
  Usage:
  viewPager.setPageTransformer(true, new CardTransformer(0.7f));
*/
public class CardTransformer implements PageTransformer {
 
	private final float scalingStart;
 
	public CardTransformer(float scalingStart) {
		super();
		this.scalingStart = 1 - scalingStart;
	}
 
	@Override
	public void transformPage(View page, float position) {
 
		if (position >= 0) {
			final int w = page.getWidth();
			float scaleFactor = 1 - scalingStart * position;
 
			page.setAlpha(1 - position);
			page.setScaleX(scaleFactor);
			page.setScaleY(scaleFactor);
			page.setTranslationX(w * (1 - position) - w);
		}
	}
}