I-UITthread iwuchungechunge oluyinhloko lokusetshenziswa kohlelo lwakho lokusebenza. Lapha yilapho iningi lekhodi yakho yohlelo lokusebenza lisebenza khona. Zonke izingxenye zesicelo sakho (Imisebenzi, Izinsizakalo, I-ContentProviders, BroadcastReceivers) zidalwe kulolu chungechunge, futhi noma yiziphi izingcingo zesistimu eziya kulezo zingxenye zenziwa kulolu chungechunge.
Iyini intambo eyinhloko ku-Android?
Uma ingxenye yohlelo lokusebenza iqala futhi uhlelo lokusebenza lungenazo ezinye izingxenye ezisebenzayo, isistimu ye-Android iqala inqubo entsha ye-Linux yohlelo lokusebenza ngochungechunge olulodwa lokusebenzisa. Ngephutha, zonke izingxenye ze- uhlelo lokusebenza olufanayo lusebenza ngenqubo efanayo kanye nentambo (ebizwa ngokuthi intambo "eyinhloko").
Yiziphi izinhlobo ezimbili eziyinhloko zentambo ku-Android?
Yiziphi izinhlobo ezimbili eziyinhloko zentambo ku-Android?
- I-AsyncTask. I-AsyncTask iyingxenye eyisisekelo ye-Android yokulutha. …
- Abalayishi. …
- Isevisi. …
- I-IntentService. …
- Inketho 1: I-AsyncTask noma izilayishi. …
- Inketho 2: Isevisi. …
- Inketho 3: I-IntentService. …
- Inketho 1: Isevisi noma Isevisi Yenhloso.
Mingaki imicu ekhona ku-Android?
I-Android inayo izinhlobo ezine eziyisisekelo zezintambo. Uzobona eminye imibhalo ekhuluma ngayo nakakhulu, kodwa sizogxila ku-Thread, Handler, AsyncTask, nokunye okubizwa ngokuthi i-HandlerThread.
Iyini intambo ku-Android ngesibonelo?
A Thread is iyunithi efanayo yokubulawa. Ine-call stack yayo yezindlela ezicelwayo, izimpikiswano zazo nokuguquguquka kwendawo. Isenzakalo ngasinye somshini obonakalayo sinochungechunge okungenani olulodwa oluyinhloko olusebenzayo lapho luqalwa; ngokuvamile, kukhona ezinye eziningana ukugcinwa endlini.
Ngazi kanjani ukuthi intambo isebenza?
Sebenzisa Uchungechunge. currentThread(). isAlive() ukubona ukuthi intambo iyaphila[output should be true] okusho ukuthi umucu usasebenzisa ikhodi ngaphakathi kwe-run() indlela noma sebenzisa Intambo.
Yini intambo ephephile ku-Android?
Ngokuklama, i-Android Izinto zokubuka aziphephile ngochungechunge. Uhlelo lokusebenza kulindeleke ukuthi ludale, lusebenzise, futhi lucekele phansi izinto ze-UI, konke kuchungechunge oluyinhloko. Uma uzama ukulungisa noma ngisho nokubhekisela entweni ye-UI ochungechungeni olungaphandle kochungechunge oluyinhloko, umphumela ungaba okuhlukile, ukwehluleka okuthulile, ukuphahlazeka, nokunye ukungaziphathi kahle okungachazwanga.
Yini i-multi threading ku-Android?
Ukusebenza emisebenzini eminingi ngesikhathi esisodwa kuwumsebenzi omningi. Ngendlela efanayo, imicu eminingi egijima ngesikhathi esisodwa emshinini ibizwa ngokuthi i-Multi-Threading. … Imicu eminingi enjalo iyahlangana ukuze yakhe inqubo. Lokhu kusho ukuthi uma inqubo iphukile, inani elilinganayo lezintambo liyatholakala.
Iyini intambo ye-UI?
I-UITthread i intambo eyinhloko yokwenziwa yohlelo lwakho lokusebenza. Lapha yilapho iningi lekhodi yakho yohlelo lokusebenza lisebenza khona. Zonke izingxenye zesicelo sakho (Imisebenzi, Izinsizakalo, I-ContentProviders, BroadcastReceivers) zidalwe kulolu chungechunge, futhi noma yiziphi izingcingo zesistimu eziya kulezo zingxenye zenziwa kulolu chungechunge.
Uyini umehluko phakathi kwentambo ye-UI nentambo eyinhloko?
The Uchungechunge “oluyinhloko” luyaqaliswa lapho, futhi zonke izingcingo eziya ku-Activity lifecycle izindlela zenziwa ngalolo chungechunge ngqo. Endleleni ye-Activity#attach() (umthombo wayo uboniswe ngenhla) isistimu iqalisa umucu othi “ui” ukuya “kulona”, okubuye kube wuchungechunge “oluyinhloko”.
Yiziphi izixhumanisi ku-Android?
I-interface yomsebenzisi (UI) yohlelo lokusebenza lwe-Android yi yakhelwe njengochungechunge lwezakhiwo namawijethi. Izakhiwo ziyizinto ze-ViewGroup, iziqukathi ezilawula ukuthi ukubukwa kwengane yazo kumiswa kanjani esikrinini. Amawijethi ayizinto zokubuka, izingxenye ze-UI njengezinkinobho namabhokisi ombhalo.
Ngiyithola kanjani i-multithreading ku-Android yami?
Kunezindlela ezimbili eziyinhloko zokwenza imicu yesibambi.
- Dala uchungechunge olusha lwesibambi, futhi uthole i-looper. Manje, dala isibambi esisha ngokunikeza i-looper yochungechunge lwesibambi esidaliwe bese uthumela imisebenzi yakho kulesi sibambi.
- Nweba uchungechunge lwesibambi ngokudala ikilasi le-CustomHandlerThread.