animate menu fabs

MainActivity.java

private void hideMenuFabs() {

        isFabRotated = false;

        fab.startAnimation(AnimationUtils.loadAnimation(MainActivity.this, R.anim.fab_backwards));

        new Handler().postDelayed(new Runnable() {
            @Override
            public void run() {
                fabShare.startAnimation(AnimationUtils.loadAnimation(MainActivity.this, R.anim.zoom_gone));
                fabShare.setVisibility(View.INVISIBLE);
                fab.setClickable(true);
            }
        }, 100);

        fabSave.startAnimation(AnimationUtils.loadAnimation(MainActivity.this, R.anim.zoom_gone));
        fabSave.setVisibility(View.INVISIBLE);

    }

    private void showMenuFabs() {

        isFabRotated = true;

        fab.startAnimation(AnimationUtils.loadAnimation(MainActivity.this, R.anim.fab_forward));

        new Handler().postDelayed(new Runnable() {
            @Override
            public void run() {
                fabSave.setVisibility(View.VISIBLE);
                fabSave.startAnimation(AnimationUtils.loadAnimation(MainActivity.this, R.anim.zoom_appear));
                fab.setClickable(true);
            }
        }, 100);

        fabShare.setVisibility(View.VISIBLE);
        fabShare.startAnimation(AnimationUtils.loadAnimation(MainActivity.this, R.anim.zoom_appear));
    }