Change image on Tab in TabLayout when Selected

Question

I am using Design TabLayout,

Answer 1

    ImageView imageView= (ImageView) findViewById(R.id.your_image_view);

    // On tab selected listener
    tabLayout.addOnTabSelectedListener(new TabLayout.OnTabSelectedListener() {
        @Override
        public void onTabSelected(TabLayout.Tab tab) {
            if (tab.getPosition() == YOUR_TAB_NUMBER)
                imageView.setBackground(getDrawable(R.drawable.ic_second_background));
        }

        @Override
        public void onTabUnselected(TabLayout.Tab tab) {
            if (tab.getPosition() == YOUR_TAB_NUMBER)
                imageView.setBackground(getDrawable(R.drawable.ic_first_background));
        }

        @Override
        public void onTabReselected(TabLayout.Tab tab) {

        }
    });