Hands-On Lab_15381.docx

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1、Sensor&LocationPlatform-NativeHands-OnLabSensors&LocationPlatform-NativeLabversion:1.0.0Lastupdated:9/8/2021 12Sensor&LocationPlatform-NativeCONTENTSOVERVIEW3EXERCISE1:ADJUSTINGFONTSIZEINRESPONSETOAMBIENTLIGHTINTENSITY5Task1—AddingAmbientLightAwareness6SUMMARY1212Sensor&LocationPlatform-Na

2、tiveOverviewTheWindows 7Sensor&LocationPlatformenablesyourapplicationstoadapttothecurrentenvironmentandchangethewaytheylook,feelorbehave.Herearefewexamples:·WhenusingamobilePC(forexample,alaptoportablet)outdoorsinasunnyday,anapplicationmightincreasebrightness,contrastandde-saturatecolorsto

3、increasescreenreadability·Anapplicationmightprovidelocation-specificinformation,suchasnearbyrestaurants·Anapplicationmightuse3Daccelerometerandbuttonsasagamecontroller·AnapplicationmightuseahumanpresencesensortochangethestateoftheMessengerstatusFigure1ModifiedMSDNReaderthatusesanambientlig

4、htsensortochangecontrast,sizeandcolorsaturationTheSensor&LocationPlatformhasmanyadvantagescomparedtoproprietarysolutions:·Hardware-independence:Noneedtolearnandinvestinaparticularvendor'sAPI;allsensorstypesarehandledverysimilarly·Privacy:BecauseMicrosoftrecognizesthatsensorandlocationdataa

5、reprivate,personallyidentifyinginformation,allsensorsaredisabledbydefault.Youcanenable/disablesensorsatanytimeviatheControlPanel.ApplicationsmightpromptyoutoenablespecificsensorsviaasecureconsentUI.12Sensor&LocationPlatform-Native·Applicationsharing:Multipleapplicationscanconsumedatafromth

6、esamesensorsimultaneously·Locationsimplicity:TheLocationAPIletsyouobtainthelocationwithoutcaringabouttheparticularmechanismusedtoobtaintheinformation,forexample,GPS,cell-towerorWi-Fihotspottriangulation.TheLocationAPIautomaticallychoosesthemostaccuratesensordataavailable.Inaddition,youdon'

7、tneedtoimplementGPSprotocolssuchasNMEA.ObjectivesInthisHands-OnLab,youwilllearnhowtointegrateWindows 7Sensorsupportintoyourapplication,including:·Detectingconnectedsensors·Detectingsensorstate·Requestinguserconsentifaccesstoasensorisnotenabled·Handlingdataeven