2016年Android应用开发速成原著指南

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"《2016年出版的Android Application Development in 24 Hours》是一本专注于Android技术的英文开发书籍，它在2016年3月发布，旨在提供最新的Android技术和特性解析。这本书强调阅读原著的重要性，因为翻译作品可能无法完全传达原文的精髓。该书采用了ePUB格式，这是一种开放且被广泛接受的电子书标准。然而，不同的阅读设备和应用程序对ePUB的支持程度各不相同。为了获得最佳阅读体验，读者应根据自己的设备或应用设置进行个性化定制，例如调整字体、字号、单列或双列模式、横竖屏切换以及可点击放大图片等功能。设备制造商的官方网站通常会提供详细的设置指导。书中包含了大量的编程代码和配置示例，为了优化这些元素的展示效果，推荐在单列模式和最大字体大小下阅读，特别是在横屏模式下。作者将代码和配置以可流式文本的形式呈现，并配以模拟印刷版排版的图片。如果在流式文本格式下代码列表的呈现受到影响，读者会看到“点击此处查看代码图片”的链接。通过点击这个链接，可以查看与印刷版保持一致的高质量代码图像。在阅读过程中，如果想返回之前的页面，只需点击“Back”按钮。此外，本书不仅教授技术知识，还紧跟时代潮流，讲解了当时Android应用开发的热点技术和新特性，为开发者提供了实用且及时的学习资料。《2016年出版的Android Application Development in 24 Hours》是一本极具价值的参考资料，适合那些希望深入理解Android开发、掌握最新技术趋势的开发者，无论是初学者还是经验丰富的专业人士，都能从中获益匪浅。"

HOUR22:AndroidTVandWearApps
AndroidasaPlatform
DevelopingAndroidWearApps
DevelopingAndroidTVApps
Summary
Q&A
Workshop
Exercise
HOUR23:MoreFeaturestoExplore
UsingGooglePlayServices
UsingGooglePlayServicesforLocation
UsingOpenSourceandExternalSDKs
DiggingDeeperintoAndroid
Summary
Q&A
Workshop
Exercise
HOUR24:PublishingYourApps
PreparingforRelease
SharingYourAppwiththeWorld
MonetizingYourApp
Summary
Q&A
Workshop
Exercise
Index

Preface

WhatIwishIknewwhenIstartedAndroiddevelopment....

Androidhasbecomealeadingplatformforsmartphones,tablets,andotherdevices.

ThegoalofthisbookistointroducetheAndroidplatformandstartyouonthepath

tocreatingprofessional-gradeapps.

In24hoursoftopic-basedmaterial,youlearntheconceptsofAndroiddevelopment

andmoveontospecifictopicslikeworkingwithdatainthecloud,handlingbitmaps

andvideosinanapp,andusingnewfeatures(suchasCardViewintheLollipop

versionsofAndroid).ThecoverageofmaterialdesignandLollipopfeatureswill

takeyoufar.TheLollipopversionofAndroidwillgivewaytoAndroidMinthe

future.AndroidMwillfocusonperformanceimprovements.

IntheearlydaysofAndroid,authorCarmenDelessioworkedonasignificant

Androidprojectforalargemediacompany.Theapplaunchedandwasasuccess.

But,itcouldhavebeenbuiltinamore“Androidway.”Withtheauthorshavingbuilt

manyAndroidappssincethen,thematerialinthisbookislargelyguidedbythe

ideaofincluding“whatIwishIknewthen.”

ThisbookisnotintendedtobeanencyclopediaofallthingsAndroid.Plentyof

Androidresourcesareavailable,andthedocumentationontheAndroiddeveloper

sitehasneverbeenbetter.Thisbookstartsyouonthepathtodeveloping

professionalAndroidappsandcanbeusedasaguidetotheadditionalmaterial.

NewintheFourthEdition

Therearetwomajorchangesfromthethirdeditiontothefourtheditionofthis

book.

NewfeaturesinAndroidarecovered.Theupdatesincludesignificantcoverageof

materialdesign,includingRecyclerViewandCardView.Newnotification

featuresarecovered.AnintroductiontoAndroidWearandAndroidTVisincluded.

Significantly,thiseditionusesAndroidStudiothroughoutratherthanEclipse.All

developmentscreenshotsandexamplesuseAndroidStudio.

Thesecondchangeisthisbookstartsbycoveringfourimportantcomponentsof

Android.Inthefirsthour,youlearnaboutactivities,intents,intentservices,and

broadcastreceivers.Subsequenthoursdrillmoredeeplyintothesebroadconcepts.

Thischangehighlightswhatishappeningwhenanapprunsandputsevenmore

emphasisondoingthingsthe“Androidway.”

WhoThisBookIsFor
Theexamplesinthisbookarecreatedsothatsomeonewithprogramming
knowledgecanunderstandthem,butAndroidappsaredevelopedinJava.Youwill
findthebookmuchmorevaluableandusefulifyouarefamiliarwithJavaconcepts
andsyntax.IfyouareknowledgeableinCorC#andunderstandobject-oriented
concepts,youshouldbeabletounderstandthelevelofJavacodeinthisbook.You
shouldknowwhatclassesandmethodsare.
IfyouareaJavaprogrammerwithaninterestinAndroiddevelopment,thisbook
introducesyoutoAndroidandgetsyouontrackforprofessionalAndroid
development.
IfyouhavestartedAndroiddevelopment,buthavenotproceededpastthebasic
examples,thisbookisforyou.Itcoverstopicssuchasdownloadingdata,usinga
database,andcreatingcontentproviders.Thisbookcantakeyoufromthebasicsto
realdevelopmentinaseriesofunderstandablesteps.
HowThisBookIsOrganized
Thebookisorganizedintofourbroadsections:
PartI,“AndroidFundamentals.”ThisfirstpartintroducesAndroidconceptsand
usesexamplestoshowhowtostartactivities,passdata,andhandlecore
functionality.Itcoversactivities,intents,resources,andbackgroundprocessing.
PartII,“CreatingtheUserInterface.”Whenyoucreatetheuserinterface,you
learnaboutcomponentsandlayouts.Youcoverbitmapsandvideoviews.Youalso
learnaboutnavigationwithinanapp,andyoucovermaterialdesign—thenew
designfromGooglethatisusedinAndroid.
PartIII,“WorkingwithData.”Workingwithdatameansbothretrievingdataover
anetworkandstoringit.YoulearnaboutusingaSQLitedatabaseandusingcontent
providers.
PartIV,“NextSteps.”Thislastpartcoversotherfeaturestoinvestigatefurther,
opensourceprojectsofinterest,andhowtopublishyourapp.
Youcanfindonlineupdates,contacttheauthor,andaskquestionsaboutthisbookon
http://talkingandroid.com/.Linkstosourcecodearepostedthere.
SourceCodefortheBook
Nearlyeverychapterinthisbookincludesanexamplethathassourcecode
availableonline.ThecodeisonGitHubandorganizedbychapter.Youwillfindthe
codehere:https://github.com/CarmenDelessio.Codeforanindividualchapter
shouldbeeasytofind.Forexample,thecompleteprojectcodeforHour10ishere:
https://github.com/CarmenDelessio/Hour10application.