英文原版Android Programming for Beginners 1st Edition

LearnalltheJavaandAndroidskillsyouneedtostartmakingpowerfulmobileapplications AndroidisthemostpopularOSintheworld.Therearemillionsofdevicesaccessingtensofthousandsofapplications.Itismanypeople’sentrypointintotheworldoftechnology;itisanoperatingsystem