parent fragment card flip animation.java

flipButton.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View view) {
                if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.LOLLIPOP) {
                    if (mCardSideShowing.equals(CardSide.FRONT)) {
                        getActivity().getFragmentManager()
                                .beginTransaction()
                                .setCustomAnimations(R.animator.card_flip_right_in, R.animator.card_flip_right_out, R.animator.card_flip_left_in, R.animator.card_flip_left_out)
                                .replace(R.id.card_fragment_container, new CardBackFragment())
                                .commit();
                        mCardSideShowing = CardSide.BACK;
                    } else if (mCardSideShowing.equals(CardSide.BACK)) {
                        getActivity().getFragmentManager()
                                .beginTransaction()
                                .setCustomAnimations(R.animator.card_flip_right_in, R.animator.card_flip_right_out, R.animator.card_flip_left_in, R.animator.card_flip_left_out)
                                .replace(R.id.card_fragment_container, new CardFrontFragment())
                                .commit();
                        mCardSideShowing = CardSide.FRONT;
                    }
                }
            }
        });