ungaya kwesinye iqhekeza ngokusebenzisa i FragmentManager transactions. Iqhekeza alikwazi ukubizwa njengemisebenzi,. Amaqhekeza akhoyo kubukho bemisebenzi.
Uliqala njani iqhekeza elinye ukusuka kwelinye?
Okokuqala udinga umzekelo we-2nd fragment. Emva koko kuya kufuneka ube nezinto zeFragmentManager kunye neFragmentTransaction. Ikhowudi epheleleyo inje ngasezantsi, Fragment2 fragment2=new Fragment2(); FragmentManager fragmentManager=getActivity().
Ndihamba njani ukusuka kwelinye iqhekeza ukuya kwelinye eKotlin?
Lo mzekelo ubonisa indlela yokuthumela idatha ukusuka kwelinye iqhekeza ukuya kwelinye usebenzisa iKotlin. Inyathelo 1 − Yenza iprojekthi entsha kwi-Android Studio, yiya kwiFayile ⇉ Iprojekthi eNtsha kwaye ugcwalise zonke iinkcukacha ezifunekayo ukwenza iprojekthi entsha. Inyathelo lesi-3 − Yenza ezimbini zeFragmentActivity kwaye wongeze iikhowudi ezinikwe ngezantsi.
Ulibiza njani iqhekeza ukusuka kwelinye iqhekeza?
Android FragmentManager kunye FragmentTransaction Umzekelo | Buyisela iqhekeza ngelinye iqhekeza usebenzisa iQhosha elithi OnClickListener
- beginTransaction (): Ngokubiza le ndlela, siqala intengiselwano yeqhekeza kwaye sibuyisela iFragmentTransaction.
- findFragmentById(int id) : Ngokugqitha id, ibuyisela umzekelo weqhekeza.
9 июн. Ngo-2015
Ufihla njani iqhekeza?
Sukungcolisa iiflegi ezibonakalayo zesikhongozeli-FragmentTransaction. Fihla / bonisa ukwenza oko ngaphakathi kuwe. Molo uyenza ngokusebenzisa le ndlela, zonke iziqwenga ziya kuhlala kwisikhongozeli xa zongezwe ekuqaleni kwaye ke sityhila iqhekeza elifunekayo kwaye sifihle ezinye ngaphakathi kwesikhongozeli.
Ulibulala njani iqhekeza?
fragmentManager. startTransaction(). buyisela (R.
Ungayidlulisela njani idatha ukusuka kwelinye iqhekeza ukuya kwelinye iqhekeza kwi-Android usebenzisa ujongano?
Indlela elungileyo yokwenza oko kukuchaza ujongano lokufowunelwa ngaphakathi kwiqhekeza kwaye ufune ukuba umsebenzi womamkeli uwuphumeze. Xa umsebenzi ufumana i-callback ngokusebenzisa i-interface, inokwabelana ngolwazi namanye amaqhekeza kwi-layout njengoko kuyimfuneko.
Uhamba njani ukusuka kwelinye iqhekeza ukuya kwelinye iqhekeza kwi-Android usebenzisa ukukhangela?
UHanjiswa njani phakathi kwamaqhekeza usebenzisa icandelo lokuHamba
- Yongeza izinto ezixhomekeke kwicandelo lokukhangela.
- Yenza isibonelelo segrafu yokukhangela.
- Yongeza i-NavHostFragment kwi-MainActivity layout.
- Yenza iintshukumo ezivumela ukukhangela phakathi kweNdawo zokuya kwiGrafu yokuHamba.
- Sebenzisa iNavController ukuya kwiNkqubo yokuHamba phakathi kwamaqhekeza.
Uthumela njani idatha ukusuka kwiqhekeza ukuya kumsebenzi kwi-Android?
Ukuvumela i Fragment ukuba inxibelelane ukuya kuMsebenzi wayo, ungachaza ujongano kudidi lwe Fragment kwaye uyiphumeze ngaphakathi koMsebenzi. I-Fragment ibamba ufezekiso lojongano ngexesha layo kwi-Attach() indlela yokuphila kwaye ingafowunela iindlela ze-Interface ukunxibelelana noMsebenzi.
Ndilibuyisela njani iqhekeza?
Sebenzisa i-replace() ukubuyisela iqhekeza esele likho kwisikhongozeli ngomzekelo wodidi olutsha lwamaqhekeza osinikezayo. Ukufowuna indawo () ilingana nokubiza susa () kunye neqhekeza kwisikhongozeli kunye nokongeza iqhekeza elitsha kwakweso sikhongozeli sinye. intengiselwano. zibophelele ();
Singayenza njani intsebenziswano phakathi komsebenzi kunye neqhekeza?
Unokwenza ukubhengeza ujongano loluntu kunye nesibhengezo somsebenzi kwiqhekeza kwaye uphumeze ujongano kumsebenzi. Emva koko unokubiza umsebenzi kwiqhekeza. Ndisebenzisa iiNjongo ukunxibelelana neentshukumo ndibuyele kumsebenzi ophambili.
Yintoni iqhekeza ngesiNgesi?
Iziqwenga zizivakalisi ezingaphelelanga. Ngokuqhelekileyo, iziqwenga ziziqwenga zezivakalisi eziye zaqhawulwa kwigatya eliyintloko. Enye yeendlela ezilula zokuzilungisa kukususa ixesha phakathi kweqhekeza kunye negatya eliphambili. Ezinye iintlobo zeziphumlisi zisenokufuneka kwisivakalisi esitsha esidityanisiweyo.
Wazi njani ukuba isiqwenga siyabonakala?
Kuphela isResumed () eqinisekisa ukuba iqhekeza lakho liphambi komsebenzisi kwaye umsebenzisi unokunxibelelana nalo ukuba yiloo nto uyifunayo. Enye into ekufuneka uyiqaphele, kukuba iVisible () ibuyisela imeko ebonakalayo yeqhekeza langoku.
Yintoni iqhekeza Android?
Iqhekeza limele inxalenye enokusetyenziswa kwakhona ye-UI yosetyenziso lwakho. Isiqwenga sichaza kwaye silawule uyilo lwaso, inomjikelo wobomi baso, kwaye inokusingatha imicimbi yaso yegalelo. Amaqhekeza akanakuphila ngokwawo-kufuneka aphathwe ngumsebenzi okanye enye iqhekeza.
Ndincamathela njani iqhekeza kumsebenzi?
Yongeza iqhekeza kumsebenzi
Unokongeza iqhekeza lakho kuluhlu lwemboniselo yomsebenzi mhlawumbi ngokuchaza isiqwenga kwifayile yoyilo lomsebenzi wakho okanye ngokuchaza isikhongozeli seqhekeza kwifayile yakho yoyilo lomsebenzi kwaye wongeze ngokwenkqubo iqhekeza ngaphakathi komsebenzi wakho.