FlipHorizontalTransformer.java

package com.tiger.quicknews.wedget.viewimage.Transformers;

import android.view.View;

import com.nineoldandroids.view.ViewHelper;

public class FlipHorizontalTransformer extends BaseTransformer {

    @Override
    protected void onTransform(View view, float position) {
        final float rotation = 180f * position;
        ViewHelper.setAlpha(view, rotation > 90f || rotation < -90f ? 0 : 1);
        ViewHelper.setPivotY(view, view.getHeight() * 0.5f);
        ViewHelper.setPivotX(view, view.getWidth() * 0.5f);
        ViewHelper.setRotationY(view, rotation);
    }

}