NIIT 安卓复习提纲+答案

《NIIT 安卓复习提纲+答案》由会员上传分享，免费在线阅读，更多相关内容在行业资料-天天文库。

1、一、基础：1.安卓核心组件有哪些？Activities、Services、Contentproviders、Broadcastreceives2.安卓keyfeatures有哪些？Integratedbrowser、SQLite、Mediasupport、Wirelessservices、DVM、Applicationframework、Richdevelopmentenvironment3.安卓用什么数据库？SQLiteDatabase4.几个流行的移动平台各自的IDE是什么？1.Symbian(QtCreator)2.Android(Eclips

2、eAndroidStudio)3.BlackBerry(TheBlackBerryJavaDevelopmentEnvironment(JDE))4.IOS(Xode)5.Windows(VisualStudio)5.R.java是什么文件？干什么用的？在什么地方？R.javaisanindexdatabasefile,storetheIDofalltheresourceinapp.R.javalocatedin/gendirectory.6.安卓平台架构分为几层？各是什么？Androidplatformhasafour-layeredarchit

3、ecture:Linuxkernel、LibrariesandAndroidruntime、Applicationframework、Applications7.创建一个UI并运行之，有哪几个步骤？a.CreateanewAndroidproject;b.DesigntheUI,youcanusethecontrolsintoolboxorcodinginthelayout.xmlfile;c.AssociatetheUIwiththeactivity;d.Registertheactivity.8.Intent有几个组件？各是干什么用的？哪些组件是

4、必须存在的，哪些是可选的，在Manifest中intentfilter是如何声明的？Componentname:Specifythenameofthecomponentthatshouldhandletheintent.Action:SpecifytheactionthatneedstobeperformedData:Specifiesthedatatooperateon.Category:Specifiesthebehaviourofthetargetapplicationcomponent.Extras:Containsextrasinforma

5、tionintheformofkey-valuepairsthatmustdeliveredtothecomponentsthathandletheintent.Flags:Includesflagsthatcontrolvariousaspectsrelatedtoactivatinganewcomponent.必须存在：Action可选：Data、CategoryIntheManifestfile,intentfilterwasdefinedasfollowing:Intentfilterwasdeclaredintheformoftag

6、ent-filter>andthetagwascontainedinthetag.9.Activity的生命周期有哪些状态？状态转换时调用的方法各是什么？Running、Paused、Stopped10.同一个应用之间Activity互相调用要用什么Intent（隐式、显式？还是什么？）？UseExplicitIntent.1）ExplicitIntent(指定接收者):ExplicitIntentspecifythenameofthetargetcomponent

7、inordertoactivatethatcomponent.Suchintentsareusedtostartanactivityoraservicewithinthesameapplication.2）ImplicitIntent(不指定接收者):Implicitintentsareusedtoactivatethecomponentsofotherapplications.Implicitintentsdonotspecifythetargetcomponentbytheirname,componentsadvertisetheircapabi

8、litytodoajobbyusingaintentfilers.11.什么是DalvikVirtualMa