雨课堂学堂在线学堂云《Android Application Development（苏州市职业）》单元测试考核答案

第1题WhatoperatingsystemistheunderlyingAndroidbasedon?ALinuxBWindowsCMacOSDUnix第2题ThecharacteristicsoftheAndroidsystemarenotincludedAOpensourceBBasedonLinuxCFormobilephonedevicesonlyDYoucandevelopapplicationswithJava第3题WhatlayersdoesAndroid'sarchitectureinclude?AHardwareAbstractionLayer(HAL)BLinuxKernelCApplicationDApplicationFramework正确答案：ABCD第4题ThecommondevelopmentlanguagesforAndroidapplicationdevelopmentareAJavaBKotlinCPythonDPHP正确答案：AB第1题TheAndroidSDKintheAndroiddevelopmentenvironmentreferstoAJavaruntimeBAndroidvirtualmachineCAndroidsoftwaredevelopmentpackageDJavavirtualmachine第2题TheofficialrecommendeddevelopmentenvironmentforAndroidapplicationsisAEclipseBAndroidStudioCVisualStudioDKeilQuizofTheFirstAndroidApplication第1题Inwhichdirectoryistheconstantstring.xmlplacedintheAndroidproject?Ares/layoutBres/valuesCassetsDlayout第2题AndroidManifest.xmlisAJavasourcecodefileBInventoryfilesandconfigurationfilesofthewholeapplicationCApplicationBuildScriptDLayoutfile第3题InAndroidprojects,theactivity_main.xmlfileisgenerallyAProfilesBJavasourcecodefileCLayoutfileDBuildthescript第4题IntheAndroidproject,build.gradleisgenerallyALayoutfileBJavasourcecodeCConfigurationfileDApplicationbuildscriptQuizofAndroidProgramDebugging第1题Intheandroidprogram,whatlevelofloginformationisLog.w()usedtooutput?ADebugBWarningCErrorDCommon第2题ThefunctionofLog.v(Stringtag,Stringmsg)methodisAOutputredundantinformationBOutputerrormessageCOutputdebugginginformationDOutputordinaryinformation第3题ThefunctionofLog.e(Stringtag,Stringmsg)methodisAOutputredundantinformationBOutputordinaryinformationCOutputerrormessageDOutputwarningmessage第4题Whichofthefollowinglogshasthehighestlevel?ADEBUGBWARNCINFODERROR第5题‏DeviceFileExplorerisafilebrowserforAndroiddevices.ItsfunctionsincludeACreatenewfilesandfoldersBDownloadthefileCUploadDSynchronize正确答案：DCBA第6题ThetypesofLogcatinformationareAWarningmessageBErrorinformationCRedundantinformationDDebugginginformation正确答案：ABCDQuizofLayout第1题ThetypeofconstraintthatdoesnotbelongtotheconstraintlayoutisALinearconstraintBRelativepositioningCChainconstraintDCentersandtendencies第2题ThechainconstraintmodeintheconstraintlayoutdoesnotincludeASpreadoutsideBWeightedCPackedDSpreadinside第3题TherearemanylayoutsinAndroid,whichareusedtoaccommodatesub-controlsandsub-layouts,whichareinheritedfromAViewGroupBLayoutCContainerDLinerLayout第4题ThefollowingstatementiswrongAAbsoluteLayoutislaidoutintheformofatable.BLinearLayoutisalineararrangementarrangedhorizontallyorvertically.CRelativeLayoutisarrangedaccordingtorelativeposition.DFrameLayoutisablankareapre-bookedonthescreen,whichcanfillsomeViewelementsintoit.第5题UnderwhichdirectoryisthelayoutfileintheAndroidprojectAres/layoutBres/valueCassetsDres/drawable第6题ThecommonlayoutinandroidisAFrameLayout,LinenarLayout,ConstraintLayout,TableLayoutBActivity,Service,BroadCast,ContentProvideCFlowLayout,BorderLayout,GridLayout,CardLayoutDBroadcast,Linenarlayout,Relativelayout,ContentProvide第7题ThefollowingdoesnotbelongtotheandroidlayoutABorderLayoutBFrameLayoutCLinearLayoutDTableLayout第8题IfyouuseLinearLayouttoachieveverticalarrangementofcomponents,whatattributesshouldbeaddedinxmltoset?

Aandroid:orientation="vertical"Bandroid:vertical="true"Candroid:orientation="horizontal"Dandroid:horizontal="true"ProgrammingAssignment:designingpersonalizedbusinesscards第1题QuizofSimpleViews第1题Buttonisabuttonusedtorespondtotheuser'sclickevent.

第2题CheckBoxisamulti-selectbuttonandcannotbeusedalone.

第3题ImageViewcanonlyloadpictureslocally.

第4题RadioButtonisaradiobuttonthatneedstobeusedinconjunctionwithRadioGrouptoprovidetwoormoremutuallyexclusiveoptions.

第5题WhichofthefollowingattributesisusedtorestricttheEditTextinputtype?AinputTypeBkeyboardCtextDSrc第6题WhichofthefollowingViewscanbeusedtodisplayprogressAProgressBarBEditTextCTextViewDButton第7题TherearemanyViewsinAndroid,allofwhichareinheritedfrom()withoutexception.AViewBControlCWindowDTextView第8题AfterToastiscreated,whichofthefollowingmethodsneedstobecalledatthistime?AshowBmakeTextCcreateDview第9题IfweneedtocapturetheeventsofaView,weneedtocreate()fortheView.AListenerBAttributeCWayDEngineering第10题WhichofthefollowingViewisusedtodisplaypictures?

AImageViewBTextViewCEditTextDButtonProgrammingAssignment:Designregistrationpage第1题QuizofActivity第1题WhenIntentpassesdata,whichofthefollowingdatatypescanbepassedASerializableBCharsequenceCParcelableDBundle正确答案：ABCD第2题ThemethodsthatneedtobecalledwhenActivityisfirstcreatedareAOnResume()BOnCreate()COnStart()DOnStop()正确答案：ABC第3题IntentcanbedividedintoAExplicitIntentBImplicitIntentCActionIntentDDataIntent正确答案：AB第4题InthelifecycleofActivity,whatstatewillActivitybewhenpartofitisoverwrittenbyanAlertDialog?ASuspendBExerciseCStopDDestroy第5题WhichofthefollowingdoesnotbelongtotheactivitylifecyclemethodAonInit()BonCreate()ConDestroy()DonResume()第6题ThefollowingarenotonActivityResult()methodparametersAresultBrequestCodeCresultCodeDData第7题Amongthefollowingoptions,theexecutionmethodwhenActivitygetsthefocusisAonResumeBonStartConPauseDonDestroy第8题ThefollowingisthewrongdescriptionofActivity'slifecyclemethodAIntheonResumestage,userscannotinteractwithActivity.BIntheOnstopstage,theoriginalActivitybecameinvisibleandwasoverwrittenbythenextActivity.CIntheonDestorystage,thisisthelastmethodcalledbeforeActivitywaskilled.DOnPausestage,atthisstage,itisvisiblebutnotinteractive.第9题ActivitygenerallyoverloadsthosemethodstomaintainitslifecycleAonCreate(),onStart(),onDestory(),onRestart(),onResume(),onPause(),onStop()BonCreateView(),onStart(),onDestory(),onRestart(),onResume(),onPause(),onStop()ConCreateMenu(),onStart(),onDestory(),onRestart(),onResume(),onPause()DonStart(),onRestart(),onResume(),onPause(),onStop(),onEed()第10题ExitActivitytosavetheoperationofsomeresourcesandstates,whichfunctionofthelifecyclecanbeperformedAonPauseBonCreateConResumeDonStart第11题Whatisthefirstmethodthatneedstobeexecutedintheactivitylifecycle?

AonCreateBonStartConReStartDonResume第12题ThefollowingfunctionsofIntentinAndroidareAAchievedatasharingbetweenapplicationsBItcanswitchbetweeninterfaces,containactionandactiondata,andconnectthelinksofthefourmajorcomponents.CItisalonglifecycle.Aprogramwithoutauserinterfacecankeeptheapplicationrunninginthebackgroundwithoutdisappearingbecauseofswitchingpages.DDealwiththeoverallworkofanapplicationProgrammingAssignment:Confirmationofregistrationinformation第1题QuizofAndroidThread第1题NetworkconnectionscanbeprocessedinAndroid'sUIthread.

第2题ThemainthreadofAndroidapplicationsismainlyresponsibleforhandlingUI-relatedevents.

第3题IntheHandlermechanism,Messageindicatestheinformationcarried.第4题RegardingHandlerinAndroid,thefollowingstatementiswrong(

)Apost()isthemethodtogetmessages.BobtainMessage()isamethodtogetmessages.CsendMessage()isamethodtosendmessages.DhandleMessage()isthemethodtodealwithmessages.第5题WhendevelopingAndroidapplications,theprincipleofthesingle-threadedmodelreferstoADon'tblockUIthreads.BEnsurethatonlyAndroidUIcontrolsareaccessedintheUIthread.COperationsrelatedtoUIupdatescanbeputintheUIthread,includingbackgrounddatadownload.DTrytocompletealloperationsintheUIthread.正确答案：ABQuizofAdvancedViews第1题RecyclerViewcanachieveahorizontallisteffect.

第2题ThedataoftheListViewisloadedthroughtheadapter.第3题ThecorrectstatementaboutRecyclerViewisARecyclerViewcannotsetclickevents.BRecyclerViewentriescannotsetclickevents.CTheRecyclerViewusestheRecyclerView.Adapteradapter.DRecyclerViewismorepowerfulthanListView.正确答案：CD第4题ThewrongstatementaboutListViewisAListViewcannotsetclickevents.BListViewentriescannotsetclickevents.CWhenthedataexceedsthedisplayrange,ListViewautomaticallyhasscrollablefeatures.DListViewcanalsodisplaydatacontentwithoutsettingAdapter.正确答案：ABD第5题Whichofthefollowingclassesisusedtoconstructarraytypedata?AArrayAdapterBSimpleAdapterCAdapterDCursorAdapter第6题Use()whenListViewisboundtomultiplevaluesofanarrayorListcollection.AArrayAdapterBSimpleAdapterCSimpleCursorAdapterDBaseAdapter第7题ListViewisacommonlyused()typeView.AListBButtonCPictureDThedrop-downlistQuizofDatastorage第1题ThetransactionoperationofSQLitedatabasesatisfiesatomicity,consistency,isolationandpersistence.

第2题Theupdate()methodoftheSQLiteDatabaseclassisusedtodeletethedatainthedatabasetable.

第3题ThefilestoragemethodinAndroidisdividedintointernalstorageandexternalstorage.

第4题SQLiteisalightweightdatabasethatcomeswithAndroid,whichsupportsbasicSQLsyntax.

第5题InthefollowingcodethatinitializesSharedPreferences,thecorrectoneisASharedPreferencessp=newSharedPreferences();BSharedPreferencessp=SharedPreferences.getDefault();CSharedPreferencessp=SharedPreferences.Factory();DSharedPreferencessp=getSharedPreferences();第6题InthefollowingdescriptionoftheSQLitedatabase,Whichoneiswrong(

)ATheSqliteOpenHelperclasshasthefunctionofcreatingadatabaseandupdatingthedatabaseversion.BTheSqliteDatabaseclassisusedtooperatethedatabase.CEverytimethegetWritableDatabasemethodofSqliteDatabaseiscalled,theonCreate()methodofSqliteOpenHelperisexecuted.DWhenthedatabaseversionchanges,SqliteOpenHelper'sonUpgrade()methodwillbecalledtoupdatethedatabase.第7题WhenAndroidqueriesthetablesofthedatabase,itwillusethe()methodintheSQLiteDatabaseclass.Ainsert()BexecSQL()Cquery()Dupdata()第8题Inthefollowingmethods,sharePreferencesobtainsitseditorby(

).AgetEdit()Bedit()CsetEdit()DgetSharedPreferences()第9题Amongthefollowingoptions,thefileoperationmodeparameterthatdoesnotbelongtothegetSharedPreferencesmethodis(

).AContext.MODE_PRIVATEBContext.MODE_PUBLICCContext.MODE_WORLD_READABLEDContext.MODE_WORLD_WRITEABLE第10题InthefollowingdescriptionoftheSharedPreferencesaccessfile,Whichoneiswrong().AItisamobilestoragesolution.BSharedPreferencesdealswithkey-valuepairs.CThepathtoreadxmlis/sdcard/shared_prefsDThesavingformatofthetextisxml.第11题Thedatastoragemethodofandroidis()AContentProviderBSharedPreferenceCSQLiteDAlloftheaboveProgrammingAssignment:Savingregistrationinformation第1题QuizofBluetoothcommunication第1题BluetoothSocketismainlyresponsibleforBluetoothconnection,readingandwritingdata.

第2题Youcanusethelow-powerBluetoothAPItoconnectclassicBluetoothdevices.第3题Bluetoothcommunicationiswidelyusedintheconnectionbetweenmobileappsandsmarthardwareduetoitslowcost,lowpowerconsumptionandlongdistance.

第4题Speechrecognitiontechnologyisakindofhuman-computerinteractiontechnology.

第5题Speechrecognitiontechnology,alsoknownasAutomaticSpeechRecognition(ASR),isatechnologythatallowsmachinestoconvertspeechsignalsintocorrespondingtextorcommandsthroughrecognitionandunderstandingprocesses.

第6题HuaweiHiAIcanbeusedonanydeviceaboveAndroid8.0.

第7题Huawei'svoicerecognitionmethodtoobtainrecognitionresultsis()AonResults()BonPartialResults()ConEnd()DonEvent()正确答案：AB第8题ThewaytosendandreceivedatainAndroidclassicBluetoothis()Aread()Bwrite()Csend()Dreceive()正确答案：AB第9题ThepermissionsthatgenerallyneedtobeaddedforAndroidclassicBluetoothcommunicationare()Aandroid.permission.BLUETOOTHBandroid.permission.BLUETOOTH_ADMINCandroid.permission.INTERNETDandroid.permission.WRITE_EXTERNAL_STORAGE正确答案：AB第10题ThewaytocancelspeechrecognitioninHuawei'svoicerecognitionAPIis()Acancel()BstopListening()Cdestroy()DonEnd()第11题ThebroadcastofBluetoothdevicesfoundinAndroidis()ABluetoothDevice.ACTION_FOUNDBBluetoothAdapter.ACTION_DISCOVERY_STARTEDCBluetoothDevice.ACTION_DISCOVERY_STARTEDDBluetoothAdapter.ACTION_FOUNDQuizofSmarthome第1题TCPisaconnectionlesscommunicationprotocol.

第2题WhatparametersdoestheTCPclientneedtoconnecttotheserver?AIPaddressBPortnumberCDNSaddressDMACaddress正确答案：AB第3题Smarthomesystemsinclude()AHomeenvironmentcontrolsystemBHomewiringsystemCHomenetworksystemDHomesecuritysystem正确答案：ABCD第4题Smarthomecanbedividedinto()accordingtotechnicalclassification.ABussystemtechnologyBWirelesscommunicationtechnologycategoryCPowercarriertechnologycategoryDBroadc