Uchungechunge oluyinhloko lunesibopho sokugcina ulwazi lomsebenzisi. Noma yikuphi ukusebenza okuthatha isikhathi eside okwenziwe kuchungechunge oluyinhloko kuzokwenza ulwazi lomsebenzisi lubonakale lufriziwe kuze kube yilapho lowo msebenzi uqeda. Lokhu kubangela ukuthi izingxoxo ze-ANR ziboniswe kubasebenzisi.
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. Ngokuzenzakalelayo, zonke izingxenye zohlelo lokusebenza olufanayo zisebenza ngenqubo efanayo kanye nentambo (ebizwa ngokuthi intambo "eyinhloko").
Iyini intambo eyinhloko nochungechunge lwangemuva ku-Android?
Zonke izinhlelo zokusebenza ze-Android zisebenzisa uchungechunge olukhulu ukuphatha imisebenzi ye-UI. … Ungakha imicu eyengeziwe yangemuva ukuze uphathe imisebenzi ethatha isikhathi eside kuyilapho uchungechunge oluyinhloko luqhubeka nokusingatha izibuyekezo ze-UI.
Yiziphi izinhlobo ezimbili eziyinhloko zentambo ku-Android?
Uchungechunge ku-Android
- I-AsyncTask. I-AsyncTask iyingxenye eyisisekelo ye-Android yokulutha. …
- Abalayishi. Izilayishi ziyisixazululo senkinga eshiwo ngenhla. …
- Isevisi. …
- I-IntentService. …
- Inketho 1: I-AsyncTask noma izilayishi. …
- Inketho 2: Isevisi. …
- Inketho 3: I-IntentService. …
- Inketho 1: Isevisi noma Isevisi Yenhloso.
Iyini intambo ku-Android ngesibonelo?
Uchungechunge luyiyunithi efanayo yokusebenza. 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.
Mingaki imicu engaphathwa yi-Android?
Lokho kuyizintambo ezingu-8 kukho konke okwenziwa yifoni-zonke izici ze-android, ukuthumela umbhalo, ukuphathwa kwememori, i-Java, nanoma yiziphi ezinye izinhlelo zokusebenza ezisebenzayo. Uthi ikhawulelwe ku-128, kodwa empeleni ilinganiselwe ngokusebenza kokuncane kakhulu ongakusebenzisa kunalokho.
Yini intambo ephephile ku-Android?
Ukusebenzisa kahle i-Handler : http://developer.android.com/reference/android/os/Handler.html iphephile ngomucu. … Ukumaka indlela evunyelanisiwe kuyindlela yokwenza ukuthi intambo iphephe — ngokuyisisekelo ikwenza kube uchungechunge olulodwa kuphela olungaba endleleni nganoma yisiphi isikhathi.
Ungamiswa kanjani uchungechunge ku-Android?
Kunezindlela ezi-2 ezilandelayo ezincanyelwayo zokumisa uchungechunge.
- Dala okuguquguqukayo kwe-boolean futhi ushintshe inani lakho libe amanga bese uhlola ngaphakathi kochungechunge. i-volatile isRunning = amanga; public void run() {if(!isRunning) {return;} }
- Noma ungasebenzisa indlela yokuphazamisa () engatholwa ngaphakathi kochungechunge.
14 unyaka. 2011 г.
Uyini umehluko phakathi kwentambo nesevisi ku-Android?
Isevisi : ingxenye ye-android eyenza ukusebenza okude ngemuva, ikakhulukazi ngaphandle kokuba ne-UI. Uchungechunge : isici sezinga le-OS esikuvumela ukuthi wenze umsebenzi othile ngemuva. Nakuba ngokomqondo kokubili kubukeka kufana kunomehluko othile obalulekile.
Uchungechunge olusha lwenziwa kanjani?
Kunezindlela ezimbili zokudala intambo entsha yokusebenza. Enye iwukumemezela ikilasi ukuthi libe yi-subclass of Thread; Enye indlela yokudala uchungechunge ukumemezela isigaba esisebenzisa i-Runnable interface.
Uyini umehluko phakathi kwentambo ye-UI nentambo eyinhloko?
Kuyavela ukuthi, i-UI ne-Main threads akufani ngempela. … Endleleni ye-Activity#attach() (umthombo wayo uboniswe ngenhla) isistimu iqalisa umucu othi “ui” ukuya “kulona”, okubuye kube wuchungechunge “oluyinhloko”. Ngakho-ke, kuzo zonke izimo ezingokoqobo intambo ethi "main" kanye nentambo ethi "ui" iyafana.
Iyini i-thread pool ku-Android?
I-Thread pool iwumugqa owodwa wokusebenza we-FIFO oneqembu lezintambo zabasebenzi. … Abakhiqizi (Isib. intambo ye-UI) ithumela imisebenzi kulayini wemisebenzi. Noma iziphi izintambo zesisebenzi ku-thread pool zitholakala, zisusa imisebenzi ngaphambili kolayini bese ziqala ukuyiqhuba.
Uyini umehluko phakathi kwesibambi nentambo?
Imicu iyimisebenzi yokucubungula ejwayelekile engenza izinto eziningi, kodwa into eyodwa abangakwazi ukuyenza ukubuyekeza i-UI. Izibambi ngakolunye uhlangothi ziyimicu yangemuva ekuvumela ukuthi uxhumane nochungechunge lwe-UI (buyekeza i-UI). … Izibambi zemisebenzi eshiwo ngenhla. I-AsyncTasks yokulanda/ ukulanda idatha nokuvota njll.
Zingaki izinhlobo zochungechunge ezikhona ku-Android?
I-Android inezinhlobo ezine eziyisisekelo zochungechunge. Uzobona amanye amadokhumenti akhuluma nakakhulu, kodwa sizogxila ku-Thread, Handler, AsyncTask, nokunye okubizwa ngokuthi i-HandlerThread.
Iyini intambo yangemuva ku-Android?
Kwenzenjani? Ukucutshungulwa kwengemuva ku-Android kubhekisela ekwenzeni imisebenzi emicu ehlukene kune-Main Thread, eyaziwa nangokuthi i-UI Thread, lapho ukubuka kukhuphuka kakhulu nalapho umsebenzisi ahlanganyela khona nohlelo lwethu lokusebenza.
Iyini intambo ye-UI ku-Android?
I-Android UI Thread ne-ANR
Kuplathifomu ye-Android, izinhlelo zokusebenza zisebenza, ngokuzenzakalelayo, kuchungechunge olulodwa. Lolu chungechunge lubizwa ngokuthi i-UI thread. Kuvame ukubizwa kanjalo ngenxa yokuthi lolu chungechunge olulodwa lubonisa isixhumi esibonakalayo somsebenzisi futhi lulalele izehlakalo ezenzeka lapho umsebenzisi ehlanganyela nohlelo lokusebenza.