How do I change the color of icon of the selected tab of TabLayout?

Question

I'm using a TabLayout with a ViewPager and I'm wondering how I can most efficiently change the color of the icon of the selected tab in the TabLayout.

A perfect reference for how this is implemented is Google's Youtube app. On the main page, there are four icons that are colored dark gray. When a specific tab is selected, the tab's icon becomes white.

Without any third party libraries, how can I achieve the same effect?

One possible solution is apparently with selectors. But in that case, I would have to find both a white and a gray version of the icon and then switch the icon when the tab becomes selected or deselected. I'm wondering if there's a more effective method where I can just highlight the icon color or something. I haven't been able to find this in any tutorial.

EDIT

The solution that I mention directly above requires the use of two drawables for each tab's icon. I'm wondering if there's a way I can do it programmatically with ONE drawable for each tab's icon.

Answer 1

I found a way that can be easy.

    viewPager = (ViewPager) findViewById(R.id.viewpager);
    setupViewPager(viewPager);

    tabLayout = (TabLayout) findViewById(R.id.tabs);
    tabLayout.setupWithViewPager(viewPager);
    tabLayout.setOnTabSelectedListener(
            new TabLayout.ViewPagerOnTabSelectedListener(viewPager) {

                @Override
                public void onTabSelected(TabLayout.Tab tab) {
                    super.onTabSelected(tab);
                    int tabIconColor = ContextCompat.getColor(context, R.color.tabSelectedIconColor);
                    tab.getIcon().setColorFilter(tabIconColor, PorterDuff.Mode.SRC_IN);
                }

                @Override
                public void onTabUnselected(TabLayout.Tab tab) {
                    super.onTabUnselected(tab);
                    int tabIconColor = ContextCompat.getColor(context, R.color.tabUnselectedIconColor);
                    tab.getIcon().setColorFilter(tabIconColor, PorterDuff.Mode.SRC_IN);
                }

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