When to use Enum / Int Constants

Question

I have a question that when should we use Enum and when should we use a final constants?

I know that it has been discussed at Enums and Constants. Which to use when? tho

Answer 1

Simply put Enums use more resources then public static final fields so don't use ENUM in mobile programing where every byte counts.

http://developer.android.com/training/articles/perf-tips.html#UseFinal