SImple wrapper class to support fonts in TabLayout

FontTabLayout.java

/**
 * Simple helper class which extends a TabLayout to allow us to customize the font of the tab.
 */
public final class FontTabLayout extends TabLayout {
    // TODO - support customizing via XML rather than hardcoding.
    private static final String FONT_PATH = "fonts/Roboto.ttf";

    private Typeface mTypeface;

    public FontTabLayout(Context context) {
        super(context);
        init();
    }

    public FontTabLayout(Context context, AttributeSet attrs) {
        super(context, attrs);
        init();
    }

    public FontTabLayout(Context context, AttributeSet attrs, int defStyleAttr) {
        super(context, attrs, defStyleAttr);
        init();
    }

    private void init() {
        mTypeface = Typeface.createFromAsset(getContext().getAssets(), FONT_PATH);
    }

    @Override
    public void addTab(@NonNull Tab tab, int position, boolean setSelected) {
        super.addTab(tab, position, setSelected);

        ViewGroup mainView = (ViewGroup) getChildAt(0);
        ViewGroup tabView = (ViewGroup) mainView.getChildAt(tab.getPosition());
        int tabChildCount = tabView.getChildCount();
        for (int i = 0; i < tabChildCount; i++) {
            View tabViewChild = tabView.getChildAt(i);
            if (tabViewChild instanceof TextView) {
                ((TextView) tabViewChild).setTypeface(mTypeface, Typeface.NORMAL);
            }
        }
    }
}

Nice one! Works like a charm!

thanks!
with "fontPath" attr: https://gist.github.com/gordinmitya/37fe6abedfc03d2b7a4a68d4f081484c