How to format longs in android to always display two digits

Question

I have a countdown timer which shows seconds from 60 to 0 (1 min countdown timer). When it reaches 1 digit numbers such as 9,8,7.. it shows 9 instead of 09. I tried using

Answer 1

Why not just use an if statement?

String str = x < 10 ? "0" + String.valueOf(x) : String.valueOf(x);

That should do the trick.