TabLayout.setTabTextColors() not working when trying to change text color

It's finally fixed in Design Support Library 22.2.1.

        tabLayout.setOnTabSelectedListener(new TabLayout.OnTabSelectedListener() {
          @Override
          public void onTabSelected(TabLayout.Tab tab) {
            tabLayout.setTabTextColors(getResources().getColor(R.color.normal), getResources().getColor(R.color.selected));

            try {
                // FIXME: 20.7.2015 WORKAROUND: https://code.google.com/p/android/issues/detail?id=175182 change indicator color
                Field field = TabLayout.class.getDeclaredField("mTabStrip");
                field.setAccessible(true);
                Object value = field.get(tabLayout);

                Method method = value.getClass().getDeclaredMethod("setSelectedIndicatorColor", Integer.TYPE);
                method.setAccessible(true);
                method.invoke(value, getResources().getColor(R.color.selected));
            } catch (Exception e) {
                e.printStackTrace();
            }
          }

        ...
        }

TabLayout has a method like this -

setTabTextColors(int normalColor, int selectedColor)

Remember, that int is not color resource value but int parsed from hex

Ex:

tabLayout.setTabTextColors(Color.parseColor("#D3D3D3"),Color.parseColor("#2196f3"))

After a bit of investigation, it seems like the textviews inside the TabLayout just don't get their colors updated after their creation.

The solution I came up with was to go through the children views of the TabLayout and update their colors directly.

public static void setChildTextViewsColor(ViewGroup viewGroup, ColorStateList colorStateList) {
    for (int i = 0; i < viewGroup.getChildCount(); i++) {
        View child = viewGroup.getChildAt(i);

        if (child instanceof ViewGroup) {
            setChildTextViewsColor((ViewGroup) child, colorStateList);
        } else if (child instanceof TextView) {
            TextView textView = (TextView) child;
            textView.setTextColor(colorStateList);
        }
    }
}

Then, in the OnTabSelectedListener:

    tabLayout.setOnTabSelectedListener(new TabLayout.OnTabSelectedListener() {
        @Override
        public void onTabSelected(TabLayout.Tab tab) {
            setChildTextViewsColor(tabLayout, newColorStateList);
        }

        (...)
    });