Ngingabheka kanjani inkinobho emuva icindezelwe ku-Android?

Ukuze uhlole ukuthi inkinobho 'EMUVA' icindezelwe nini, sebenzisa indlela ye-OnBackPressed() evela kulabhulali ye-Android. Okulandelayo, yenza ukuhlola ukuze ubone ukuthi inkinobho 'EMUVA' izocindezelwa futhi phakathi kwamasekhondi angu-2 futhi izovala uhlelo lokusebenza uma kunjalo. Uma kungenjalo, ungaphumi.

Kwenzekani uma inkinobho yokubuyela emuva icindezelwa ku-Android?

Noma kunini uma uphusha umsebenzi kusitaki, kubizwa i-OnCreate, futhi uma ucindezela inkinobho yokubuyela emuva, kubizwa okuthi onDestroy, okusho ukuthi umsebenzi uyasuswa. Izindlela ezilandelayo zokubuyisela emuva zibizwa, ngemva kokucindezela inkinobho yokubuyela emuva. Umsebenzi ucekelwe phansi. Futhi idala kabusha uma yethulwa futhi.

Ngiyivala kanjani i-back press ku-Android?

Ngokusebenzisa i-OnBackPressed()

1. Vula i-Android Studio bese uya kokuthi MainActivity. i-java. Akukho okumele kwenziwe kokuthi Umsebenzi Oyinhloko.
2. Faka ikhodi ngendlela yokukhipha. Ikhodi ukuthi. i-public void onBackPressed() iphakheji com.mylockscreen; ngenisa……
3. Uzothola ukuthi ayikho inkinobho ethi Emuva esebenza kuhlelo lwakho lokusebenza lwe-Android.

14 awu. 2017 g.

Uwukhipha kanjani umsebenzi ocindezelwe emuva?

Izixazululo ezimbili ezijwayelekile ongahlangabezana nazo yilezi:

1. @override public void onBackPressed(){ super.onBackPressed(); qeda (); }
2. @Khipha i-boolean yomphakathi kuKeyDown(int keyCode, KeyEvent event) { uma ((keyCode == KeyEvent.KEYCODE_BACK)) {buyisela okungamanga; } buyisela i-super.onKeyDown(Ikhodi yokhiye, umcimbi); }

26 awu. 2015 g.

I-Android ikuphatha kanjani i-back Press emsebenzini?

I-Android - cindezela emuva ku-Fragment

1. I-BaseFragment. Isinyathelo sokuqala sokudala izingcezu ezizwela emuva ukuchaza isixhumi esibonakalayo esingasibiza ukuze sazise izingcezu ezithile mayelana ne-back-press. …
2. Umsebenzi we-Base. Isinyathelo esilandelayo wumsebenzi onoMsebenzi obhalwe phezu. …
3. I-MyFragment. Isinyathelo sokugcina siwukusebenzisa ucezu olunjalo oluzwela emuva.

24 awu. 2020 g.

Ngiwusebenzisa kanjani umsebenzi we-OnBackPressed?

Uyisebenzisa kanjani indlela ye-OnBackPressed ku-android.app.Activity

1. I-WeakReference mActivity;mActivity.get()
2. Stack umsebenziStack;activityStack.lastElement()
3. (Umsebenzi) param.thisObject.

Ngibuyela kanjani emsebenzini wangaphambilini ku-android?

Imisebenzi ye-Android igcinwa kusitaki somsebenzi. Ukubuyela emsebenzini odlule kungasho izinto ezimbili. Uvule umsebenzi omusha komunye umsebenzi nge-startActivityForResult. Uma kunjalo ungavele ushayele umsebenzi we- finishActivity() kusuka kukhodi yakho futhi uzokubuyisela emsebenzini wangaphambilini.

Ngiyivala kanjani inkinobho ethi Emuva ku-Samsung yami?

Izinyathelo zokucindezela Inkinobho Yamandla kumadivayisi we-Android usebenzisa i-SureFox

1. Finyelela Izilungiselelo ze-SureFox ngokuthepha Isikrini Sasekhaya se-SureFox izikhathi ezi-5 usebenzisa iphasikhodi eyimfihlo.
2. Thepha Izilungiselelo ze-SureFox Pro.
3. Esikrinini Sezilungiselelo ze-SureFox Pro, cindezela inkinobho ethi Cindezela Amandla/Ikhibhodi.
4. Thepha okuthi Kwenziwe ukuze uqedele.

16 ibe. 2020 г.

Ngiyicisha kanjani inkinobho ethi Emuva Neyezinhlelo Zokusebenza Zakamuva ku-Android?

Sicela uye ku-Android->Imikhawulo Ethuthukisiwe->Izilungiselelo Zokubonisa. Susa ukumaka inketho ethi 'Fihla ibha yokuzula'. Lokhu kuzokhubaza izinkinobho ezikusikrini: ezasemuva, ezasekhaya nezinhlelo zokusebenza zakamuva.

Ngiwususa kanjani umcibisholo wangemuva kubha yami yamathuluzi ye-Android?

getActionBar(). setDisplayShowHomeEnabled(amanga); //khubaza inkinobho yokubuyela emuva getActionBar(). setHomeButtonKuvunyelwe(amanga); Ocingweni oludala lwe-android, inkinobho yokubuyela emuva iyasuswa ngale migqa emibili yamakhodi.

Ukuphatha kanjani ukuzulazula okuphansi kahle ngokucindezela emuva?

Zama lokhu ukuze ufeze lokhu okulandelayo: ngokucindezela emuva: kucezu lwasekhaya phuma kuhlelo lokusebenza. kusuka kwezinye izingcezu goto ekhaya fragment. Ngokwemfuneko yakho uzobe usebenza ngezingcezu ekuzulazuleni zalokhu ungasebenzisa i-Tablayout enepheyija yokubuka futhi wenze ukuzulazula okuphansi.

Uwuvimbela kanjani umsebenzi ukuthi ungalayishi kabili uma ucindezela inkinobho?

Kumcimbi wenkinobho yomlaleli, khubaza inkinobho futhi ubonise omunye umsebenzi. Inkinobho b = (Inkinobho) buka; b. setKuvunyelwe(amanga); Inhloso i = Inhloso entsha(lokhu, Enye i-Actitivty. class); qalaUmsebenzi(i);

Uzisingatha kanjani izingcezu ze-OnBackPressed?

isigaba esisesidlangalaleni Umsebenzi Wami unweba Umsebenzi {@Qhuba i-void yomphakathi onBackPressed() { Isiqephu sesiqephu = getSupportFragmentManager().
...

1. 1 - Dala isixhumi esibonakalayo. isixhumi esibonakalayo IONBackPressed { fun onBackPressed(): Boolean }
2. 2 – Lungiselela Umsebenzi wakho. …
3. 3 - Sebenzisa ku-Fragment yakho eqondiwe.

Ngibuyela kanjani emuva esiqeshini sangaphambilini?

Ngokuhlela buyela kucezu lwangaphambili usebenzisa ikhodi elandelayo. Ukwenza leso siqeshana sibuye, vele ungeze leso siqeshana ku-backstack ofuna ukubuya ucindezelwe, Isb: inkinobho. setOnClickListener(Ukubuka okusha.

Ngiyicisha kanjani inkinobho yasekhaya ku-Android?

Indlela 1: Thinta “Izilungiselelo” -> “Bonisa” -> “Ibha yokuzulazula” -> “Izinkinobho” -> “Isakhiwo sezinkinobho”. Khetha iphethini kokuthi “Fihla ibha yokuzulazula” -> Uma uhlelo lokusebenza luvuleka, ibha yokuzula izofihlwa ngokuzenzakalelayo futhi ungaswayiphela phezulu kusukela ekhoneni elingezansi lesikrini ukuze uyibonise.