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Answers and rating deltas for

How to check if username exists in EditText(Text Changed Listener) by using Firebase.?

Author Votes Δ
Vishal kumar singhvi 0 +0.04
Ahsan Saeed 0 -0.16
Shahadat Hossain Shaki 0 +0.12
Last visited: Nov 13, 2017, 8:39:47 PM