what is the role of the r.java file in an android application project? ALL PRODUCTS FROM what is the role of the r.java file in an android application project? Popular Recent Older Price (Low to High) Price (High to Low) Title (A - Z) Title (Z - A) AND-401 Android Application Development by admin in AndroidATC $49.99 – $49.99 September 13, 2018 Premium PDF – $49.99 Proceed to Checkout Checkout Added to cart