Android Viewpager tinder like UI with 3D card stack appearance

Question

I\'m trying to create a tinder-like UI in android using the ViewPager.

I have looked at this library: https://github.com/kikoso/Swipeable-Cards, but I\'d li

Answer 1

You can easily do this using the Android Library Truffle-Shuffle. You can add X number of cards with any xml content inside of the cards. https://github.com/intuit/truffle-shuffle

Answer 2

So this was the way that I set it up - its a little hacky because I manually trigger the transformPage method as mentioned in my comment here:

Android ViewPager manually call PageTransformer transformPage

BUT, it works!

@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.setTranslationY(0);
        view.setScaleX(1);
        view.setScaleY(1);
        view.setRotation(90*(position));

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

        // Counteract the default slide transition
        view.setTranslationX(pageWidth * -position);
        view.setTranslationY(50*position);

        view.setScaleX(Math.max(0.9f, (1 - position)));
        view.setScaleY(Math.max(0.9f, (1 - position)));
        CardView cv = (CardView)view.findViewById(R.id.card_view);
        cv.setPadding(0,0,0,0);

    } else if (position==1) {
        view.setAlpha(1);
        view.setTranslationX(pageWidth*-position);
        view.setTranslationY(50*position);

        view.setScaleX(Math.max(0.9f, (1 - position)));
        view.setScaleY(Math.max(0.9f, (1 - position)));

    }

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

Answer 3

You can not implement tinder effect with PageTransformer interface because the position value is just 1 axis value. You should have other values like touch point coordinates in x, y axis because tinder effect uses trigonometrical functions.