天津职业技术师范大学2014届本科毕业生外文文献翻译
A
A
alysisa
dCompariso
ofOpe
a
dClosedMobilePlatforms1I
troductio
I
rece
tyearsthepopularityofsmartpho
ekeptgoi
gupMorea
dmoresmartpho
esaresolda
dalotofpeopleareembraci
gthemSmartpho
esbroughtgreatco
ve
ie
cetousersaswellcreatedopportu
itiesforsmartpho
eresearchersThatstosaythewidespreadofsmartpho
esbe
efitedbothsidesAtthesametimedevelopi
gofsmartpho
eOSbecomeso
eofthesmartesti
dustryTobeasmartpho
eOSthesystemshould1ProvideserviceslikeaPC2WorkwithaGPUforbettervisualeffects3Allowtheusertosurfo
I
ter
etfreelyA
dappare
tlythererealsosomeweak
esses1Limitedbattery2PoorCPUperforma
ceagai
stPCCPU3Smallstorage4TheuseofRAMmayleadstolossofdatawhe
thepho
eru
soutofbatteryNowthe2gia
tsofsmartpho
eOSareA
droida
diPho
eOSO
o
esideA
droidisbasedo
Li
uxker
ela
dDalvikvirtualmachi
ea
ditisope
sourcedTheupperlayerofA
droidisJavabasedallowi
gdeveloperstodevelopA
droidapplicatio
swithGoogleSDKa
dselltheirsoftwarei
A
droidMarketO
theothersideiPho
eOSwhichbaseso
U
ixker
ela
dDarwi
modelbutisclosedsourcedevolvesfromMacOSXa
disthedefaultOSofiPho
eiPodToucha
diPadObjectiveCbasedsoftwareca
ru
i
iPho
eOSa
djustlikeA
droidyouca
developyourow
iPho
eapplicatio
sa
duploadthemo
toApplesAppStoreforsale1234Bycompari
gthelatestA
droida
diPho
eOSA
droid22Froyoa
diOS4weca
takeaglimpseatthemai
featureofope
a
dclosedsmartpho
eOSsWhilethe2OSsaredesig
edi
ratherdiffere
tme
talitya
dfu
ctio
alityitsalittleearlytotellwhicho
eisbetter
2SmartPho
eOS
21A
droid
ThesystemarchitectureofA
droidco
sistsof5layerswhichareLi
uxKer
elA
droidRu
timetotopA
droidprovidescoreserviceslikesecuritymemoryma
ageme
tprocess
1
LibrariesApplicatio
Frameworka
dApplicatio
sfrombottom
f天津职业技术师范大学2014届本科毕业生外文文献翻译
ma
ageme
t
etworkstacka
ddriversbasi
go
Li
ux26Bei
gtheabstractlayerbetwee
softwarea
dhardwarethelayerofLi
uxKer
elhidestheimpleme
ti
gdetailsofhardwarea
dprovidesi
tegratedservicesforupperlayerDalvikvirtualmachi
ea
dJavacorelibrariesarei
cludedi
thelayerofA
droidRu
timeprovidi
gmostfu
ctio
si
JavacorelibrariesThelayerofLibrariesco
tai
saclassofCClibrariesforA
droidcompo
e
tsThoselibrariesarei
tegratedbythelayerofApplicatio
Frameworka
dthe
providedtodevelopersThelayerofApplicatio
Frameworkprovidesallki
dsofmodulesforprogrami
itializatio
tosimplifytheuseofcompo
e
tsallowi
gdevelopersdowhatevertheywa
ta
dprovideservicesforothersoftr