I-Android inezinhlobo ezine eziyisisekelo zochungechunge. Uzobona amanye amadokhumenti akhuluma nakakhulu, kodwa sizogxila ku-Thread, Handler, AsyncTask, nokunye okubizwa ngokuthi i-HandlerThread.
Yiziphi izintambo ku-Android?
Intambo i uchungechunge lokwenziwa kuhlelo. I-Java Virtual Machine ivumela uhlelo lokusebenza ukuthi lube nemicu eminingi yokusebenza esebenza ngesikhathi esisodwa. Wonke umucu unokubaluleka. Imicu enokubaluleka okuphezulu isetshenziswa ngokukhetha imicu enokubaluleka okuphansi.
Yiziphi izinhlobo ezi-2 eziphambili 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.
Ingabe izintambo zisebenza ku-Android?
Lapho uhlelo lwethulwa ku-Android, idala intambo eyinhloko yokubulawa, okubizwa ngokuthi intambo "eyinhloko". Uchungechunge oluningi lunesibopho sokuthumela imicimbi kuzinqunjwana zokusebenzelana ezamukelekayo futhi njengokuxhumana nezingxenye ezisuka kukhithi yamathuluzi ye-Android UI.
Mingaki imicu engaphathwa yi-Android?
Abukho ubuningi engibaziyo. Ngingakutshela, nokho, ukuthi cishe awudingi imicu eminingi kangako. Ungagcina abalaleli be-countdown down kuchungechunge olulodwa usebenzisa i-Android Handler , ikakhulukazi indlela ye-postDelayed().
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.
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.
Yiziphi izindlela ezimbili ezichazwe emculweni wekilasi?
Yiziphi izindlela ezimbili kwezilandelayo ezichazwe kuMluko wekilasi? Incazelo: (1) kanye (4). Kuphela qala () bese ugijima () zichazwa yi-Tread class.
Iyiphi indlela ebizwa lapho uchungechunge lukhishwa?
The run () indlela wesigaba somucu ubizwa ngokuthi uma intambo yakhiwe kusetshenziswa into ehlukile eRunnable ngaphandle kwalokho le ndlela ayenzi lutho futhi ibuyisela. Lapho i-run() ibiza indlela, ikhodi ecaciswe ku-run() indlela iyasetshenziswa.