Ko te Dalvik Virtual Machine (DVM) he miihini mariko phi kua arotauhia mo nga taputapu pūkoro. Ka arotauhia te miihini mariko mo te mahara, te ora o te pākahiko me te mahi. ... dex konae e rere ana i runga i te Dalvik VM. He maha nga konae akomanga ka huri ki te konae dex kotahi.
He aha te kaupapa matua o te DVM ki te whakamarama tuatahi he aha te DVM me te aha i hanga ai?
Mai i te Android 2.2 SDK kei a Dalvik tana ake JIT (Just In Time) kaikohi. DVM kua i hangaia kia taea e tetahi taputapu te whakahaere i nga wa maha o te Miihini Mariko. Ka tukuna nga tono ki a raatau ake waa.
He aha i whakamahia ai a Dalvik VM ki te phi?
Ko nga tono Android katoa ka whakahaere i tana ake mahi, me tana ake tauira o te miihini mariko Dalvik. Kua tuhia a Dalvik kia taea ai e tetahi taputapu te whakahaere i nga VM maha. Ko te Dalvik VM ka whakahaere i nga konae kei roto i te Dalvik Executable (. dex) whakatakotoranga kua arotautia mo te tapuwae mahara iti.
He aha te miihini mariko Dalvik me te whakamarama me pehea te mahi?
Dalvik Runtime Virtual Machine ka huri i te bytecode i nga wa katoa ka whakarewahia te tono. I tetahi atu taha, ka hurihia e te Waemahi Android te bytecode kotahi anake i te wa o te whakaurunga o te tono. He miihini mariko pumau me te whakamatau i te waa. He tino whakamatauria, he hou hoki. Ko te DVM te whiriwhiri a nga kaihanga Android.
He aha te kaupapa matua o DVM?
Ko te Dalvik Virtual Machine (DVM) he miihini mariko phi kua arotauhia mo nga taputapu pūkoro. Ko ka arotau i te miihini mariko mo te mahara, te ora o te pākahiko me te mahi.
He aha te rereketanga o JVM me DVM?
Ka whakahiatohia te waehere Java i roto i te JVM ki te whakatakotoranga takawaenga e kiia nei ko Java bytecode (.… Na, ka porotitia e te JVM te hua o te Java bytecode ka whakamaoritia ki te waehere miihini. I runga i te taputapu Android, ko te DVM ka whakahiato te waehere Java ki te whakatakotoranga takawaenga e kiia nei ko Java bytecode (. kōnae akomanga) rite te JVM.
He JVM a ART?
he rereke nga whakatakotoranga rua; Dalvik/Kaore a ART e whakaputa JVM bytecode; he rereke te taumata reo; Ko tetahi waahanga he hua o te waahanga o mua, na te mea hei tautoko i tetahi taumata reo, me whakahou ano a Dalvik/ART i nga mahi parsing/bytecode kia uru ki tana ake VM.
He aha te rereketanga i waenga i te JIT me te AOT?
Ka tango a JIT i te kaitoi me te whakahiato waehere i mua tonu i te Whakaaturanga ki te tirotiro. Kua tutuki kē a AOT ki te waehere i a koe e hanga ana i to tono, no reira karekau e whakahiato i te wa whakahaere. He puhoi ake te uta ki JIT te AOT na te mea me whakahiato to tono i te wa whakahaere.
He JVM a Dalvik?
Ko te whakatakotoranga Dalvik Executable kiato i hangaia mo nga punaha e herea ana i runga i te mahara me te tere tukatuka.
...
Dalvik (pūmanawa)
| Kaituhi taketake (ng) | Rana Bornstein |
|---|---|
| momo | Mīhini Motuhake |
| raihana | Raihana Apache 2.0 |
| paetukutuku | source.android.com/devices/tech/dalvik/index.html |
He aha te VM e whakamahia ana e Android?
Wā Whakahaere Android (ART) he taiao wa whakahaere tono e whakamahia ana e te punaha whakahaere Android. Hei whakakapi i a Dalvik, te miihini mariko mahi i whakamahia tuatahitia e te Android, ka mahia e ART te whakamaoritanga o te bytecode o te tono ki roto i nga tohutohu taketake ka mahia i muri mai e te waahi whakahaere o te taputapu.
He aha te waahanga matua o te Android?
Kua wehea nga tono Android kia wha nga waahanga matua: ngohe, ratonga, kaiwhakarato ihirangi, me nga kaiwhiwhi haapurororaa. Ko te whakatata atu ki te Android mai i enei waahanga e wha ka whakawhiwhia ki te kaiwhakawhanake te whakataetae whakataetae hei kaiwhakatikatika i te whanaketanga tono pūkoro.