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Answers and rating deltas for

Why, when we are testing if the fragment is visible, do we test if the fragment is not null?

Author Votes Δ
KeLiuyue 2 +3.44
Uddhav P. Gautam 0 -1.42
joao86 0 -2.02
Last visited: Dec 15, 2017, 10:21:21 PM