说明：  McGraw.Hill的Android.A.Programmers.Guide pdf格式,Android 程序员指南,非常适合初学者入门,虽然是英文的,但是简直是事无巨细地介绍和手把手地教,比目前可以找到的中文资料都详细
(McGraw.Hill the Android.A.Programmers.Guide pdf format, Android programmers guide, very suitable for beginners entry, although in English, but is obsessed with hand- in-hand introduce and more detail than the current information can be found in chinese)