content: package com.allure.lbanners.transformer;
  
  import android.annotation.SuppressLint;
  import android.view.View;
  
  /**
   * Created by lm on 2016/7/8.
   */
  public class DepthPageTransformer extends LMPageTransformer {
     private static float MIN_SCALE = 0.75f;
             @SuppressLint("NewApi")
             @Override
      public void transformPage(View view, float position) {
                 int pageWidth = view.getWidth();
                 if (position < -1) { // [-Infinity,-1)
                     // This page is way off-screen to the left.
                     view.setAlpha(0);
                 } else if (position <= 0) { // [-1,0]
                     // Use the default slide transition when
                     // moving to the left page
                     view.setAlpha(1);
                     view.setTranslationX(0);
                     view.setScaleX(1);
                     view.setScaleY(1);
                 } else if (position <= 1) { // (0,1]
                     // Fade the page out.
                     view.setAlpha(1 - position);
                     // Counteract the default slide transition
                     view.setTranslationX(pageWidth * -position);
                     // Scale the page down (between MIN_SCALE and 1)
                     float scaleFactor = MIN_SCALE + (1 - MIN_SCALE)
                             * (1 - Math.abs(position));
                     view.setScaleX(scaleFactor);
                     view.setScaleY(scaleFactor);
                 } else { // (1,+Infinity]
                     // This page is way off-screen to the right.
                     view.setAlpha(0);
                 }
             }
  
      @Override
      public void scrollInvisible(View view, float position) {
  
      }
  
      @Override
      public void scrollLeft(View view, float position) {
  
      }
  
      @Override
      public void scrollRight(View view, float position) {
  
      }
  
  
  }