Android Open Source - sixgrid Fade In Page Transformer

From Project

Back to project page sixgrid.

License

The source code is released under:

MIT License

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Java Source Code

package io.pure.sixgrid.transform;
/*from   w  w  w. ja v a 2 s.co  m*/
import android.support.v4.view.ViewPager;
import android.view.View;

public class FadeInPageTransformer implements ViewPager.PageTransformer {
    private static final float MIN_SCALE = 0.75f;

    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(1);

        } else if (position <= 0) { // [-1,0]
            // Use the default slide transition when moving to the left page
            view.setAlpha(0);

        } else if (position <= 1) { // (0,1]
            // Fade the page out.
            view.setAlpha(0 + position);

        } else { // (1,+Infinity]
            // This page is way off-screen to the right.
            view.setAlpha(1);
        }
    }
}

Java Source Code List