StackRating

An Elo-based rating system for Stack Overflow
Home   |   About   |   Stats and Analysis   |   Get a Badge
Answers and rating deltas for

A nullpointer exception arise when I try to call a method in my drawingview class from my activity

Author Votes Δ
Nick D. 1 0.00
Last visited: Nov 19, 2015, 7:12:31 AM