package cn.bingoogolapple.bgabanner.transformer; import android.support.v4.view.ViewPager; import android.view.View; /** * 作者:王浩 邮件:bingoogolapple@gmail.com * 创建时间:15/6/19 14:35 * 描述: */ public abstract class BGAPageTransformer implements ViewPager.PageTransformer { public void transformPage(View view, float position) { if (position < -1.0f) { // [-Infinity,-1) // This page is way off-screen to the left. handleInvisiblePage(view, position); } else if (position <= 0.0f) { // [-1,0] // Use the default slide transition when moving to the left page handleLeftPage(view, position); } else if (position <= 1.0f) { // (0,1] handleRightPage(view, position); } else { // (1,+Infinity] // This page is way off-screen to the right. handleInvisiblePage(view, position); } } public abstract void handleInvisiblePage(View view, float position); public abstract void handleLeftPage(View view, float position); public abstract void handleRightPage(View view, float position); public static BGAPageTransformer getPageTransformer(TransitionEffect effect) { switch (effect) { case Default: return new DefaultPageTransformer(); case Alpha: return new AlphaPageTransformer(); case Rotate: return new RotatePageTransformer(); case Cube: return new CubePageTransformer(); case Flip: return new FlipPageTransformer(); case Accordion: return new AccordionPageTransformer(); case ZoomFade: return new ZoomFadePageTransformer(); case Fade: return new FadePageTransformer(); case ZoomCenter: return new ZoomCenterPageTransformer(); case ZoomStack: return new ZoomStackPageTransformer(); case Stack: return new StackPageTransformer(); case Depth: return new DepthPageTransformer(); case Zoom: return new ZoomPageTransformer(); default: return new DefaultPageTransformer(); } } }