How to increase icon size of tabs in TabLayout

Question

I am trying to increase icon size of tabs in my app. Icon sizes are fixed tried out many ways but nothing is working, finally tried the following but no change in size.Pleas

Answer 1

    View view5 = getLayoutInflater().inflate(R.layout.custom_icon, null);
    view5.findViewById(R.id.iconImg).setBackgroundResource(R.drawable.ambulance);
    icon_text=(TextView)view5.findViewById(R.id.icon_text);
    icon_text.setText("Blood Bank");
    tabLayout.addTab(tabLayout.newTab().setCustomView(view5));

    tabLayout.getTabAt(0).setIcon(tabIcons[0]).setCustomView(view1);