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Miguel Gonzalez Rocha2,849 Points
should i learn xml?
Seth Kroger56,412 Points
In my opinion, no for sure not necessary. the android XML is very straight-forward and all properties and attributes are usually self-explanatory, or quickly explained through a quick google search. you'll learn and understand it as you go thru the course and making apps for yourself much more efficiently than learning it in a vacuum so to speak.