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1、1安卓核心组件有哪些?Whatarethe Android corecomponents?提供界面显示的Activtiy,提供后台计算的Service,提供进程间通信的Intent提供广播接收的BroadcastRsceiver.2安卓keyfeatures有哪些？IntergratedbrowserSQLiteMediasupportWirelessservicesDVMApplicationframeworkRichdevelopmentenvironment3安卓用什么数据库？Android with what database?SQLite4几个流行的移动平台各自的IDE是什么？IOS
2、XcodeAndroidEclipseWindowsphoneVisualStudio黑莓Native平台5R.java是什么文件？干什么用的？在什么地方？WhatisR.javafile? Whatfor? Inwhatplace?R.java文件是Android项目自动生成的终态类R.java文件除了有自动标识资源的"索引"功能之外，还有另一个主要的功能，当"res"目录中的某个资源在应用中没有被使用到，在该应用被编译的时候系统就不会把对应的资源编译到该应用的APK包中，这样可以节省Android手机的资源。"gen/"目录下6安卓平台架构分为几层？各是什么？TheAndroidplatf
3、ormstructureisdividedintoseverallayers?Eachiswhat?技术官员村位于位于亚运城东部，主干道二以东石楼涌以西的地块，占地面积、m2，总建筑面积、m2，共包括地下室南区、地下室北区、地上部分1栋～12栋、服务中心、室外工程等多个单体工程。其中住宅面积m2，共12栋，1～7栋建筑层数为11层，8～12栋11层（局部复式顶层），首层局部架空，布置公建配套设施。integratedenergy,chemicalsandtextileYibincity,arethethreecorepillarsoftheindustry.In2014,thewuliangy
4、ebrandvalueto73.58billionyuan,thecity'sliquorindustrysliptostabilise.Promotingdeepdevelopmentofintegratedenergy,advancedequipmentmanufacturingindustry,changningdistrict,shalegasproductioncapacityreached277millioncubicmetres,builtthecountry'sfirstindependenthigh-yieldwellsandpipelinesinthefirstsectio
5、n,theleadinfactoryproductionandsupplytothepopulation.2.1-3GDPgrowthfigure2.1-4Yibin,Yibincity,Yibincity,fiscalrevenuegrowth2.1.4topographyterrainoverallisSouthwest,North-EasternState.Lowmountainsandhillsinthecitylandscapeasthemainridge-and-Valley,pingbasmallfragmentednaturepicturefor"waterandtheseco
6、ndlandofthesevenhills".236metersto2000metersabovesealevelinthecity,lowmountain,46.6%hills45.3%,pingbaonly8.1%.2.1.5developmentofYibinlandscapesanddistinctivefeatureinthecenterofthecity,withlimitations,andspatialstructureoftypicalzonalgroup,2012-citiesinbuildingwithanareaofabout76.2km2.Fromcity-build
7、ingsituation,"oldtown-theSouthBank"Centerconstructionislaggingbehind,disintegrationoftheoldcityisslow,optimizationandupgrading,qualitypublicserviceresourcesarestillheavilyconcentratedintheoldtowntoget
