Yankho Lofulumira: Kodi ndimasuntha bwanji chidutswa chimodzi kupita ku china mu Android?

mukhoza kupita ku chidutswa china pogwiritsa ntchito FragmentManager transactions. Chidutswa sangatchulidwe ngati ntchito,. Zidutswa zilipo pa kukhalapo kwa ntchito.

Kodi mumayamba bwanji chidutswa chimodzi kuchokera ku china?

Choyamba muyenera chitsanzo cha 2 fragment. Kenako muyenera kukhala ndi zinthu za FragmentManager ndi FragmentTransaction. Khodi yathunthu ili pansipa, Fragment2 fragment2=new Fragment2(); FragmentManager fragmentManager=getActivity().

Kodi ndimasamuka bwanji kuchoka ku chidutswa chimodzi kupita ku china ku Kotlin?

Chitsanzochi chikuwonetsa momwe mungatumizire deta kuchokera ku Fragment kupita ku ina pogwiritsa ntchito Kotlin. Khwerero 1 − Pangani pulojekiti yatsopano mu Android Studio, pitani ku Fayilo ⇉ Project Yatsopano ndikudzaza zonse zofunika kuti mupange pulojekiti yatsopano. Gawo 3 - Pangani awiri FragmentActivity ndikuwonjezera ma code omwe aperekedwa pansipa.

Mumatcha bwanji chidutswa cha chidutswa china?

Android FragmentManager ndi FragmentTransaction Chitsanzo | Sinthani Chidutswa ndi Chidutswa china pogwiritsa ntchito Button OnClickListener

  1. beginTransaction (): Poyimba njira iyi, timayamba kuchitapo kanthu ndikubwezeretsa FragmentTransaction.
  2. findFragmentById(int id) : Podutsa id, imabwezeretsa fragment chitsanzo.

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Kodi mumabisa bwanji chidutswa?

Osasokoneza ndi mbendera zowonekera za chidebecho - FragmentTransaction. kubisa / kuwonetsa kumachita izi mkati mwanu. Moni, mukuchita izi pogwiritsa ntchito njirayi, zidutswa zonse zimatsalira mu chidebecho zikangowonjezeredwa koyambirira ndipo tikungowulula chidutswa chomwe mukufuna ndikubisa china mumtsuko.

Mumapha bwanji chidutswa?

FragmentManager. StartTransaction (). kusintha (R.

Kodi mungadutse bwanji deta kuchokera pachidutswa china kupita ku china mu Android pogwiritsa ntchito mawonekedwe?

Njira yabwino yochitira izi ndikutanthauzira mawonekedwe a callback mkati mwachidutswacho ndikufuna kuti wolandirayo agwiritse ntchito. Ntchitoyo ikalandira kuyimbiranso kudzera pa mawonekedwe, imatha kugawana zambiri ndi zidutswa zina pamakonzedwe ngati pakufunika.

Kodi mumasuntha bwanji kuchokera pachidutswa chimodzi kupita kuchigawo china mu Android pogwiritsa ntchito navigation?

Momwe Mungasunthire Pakati pa Zidutswa Pogwiritsa Ntchito Navigation Component

  1. Onjezani zodalira za navigation component.
  2. Pangani gwero la navigation graph.
  3. Onjezani NavHostFragment ku MainActivity masanjidwe.
  4. Pangani Zochita zopangitsa kuyenda pakati pa Malo mu Navigation Graph.
  5. Gwiritsani Ntchito NavController Kuti Muyende Mwadongosolo Pakati pa Zigawo.

Kodi mumatumiza bwanji data kuchokera ku fragment kupita ku zochitika mu Android?

Kuti mulole Fragment kuti ilumikizane ndi Ntchito yake, mutha kufotokozera mawonekedwe amtundu wa Fragment ndikuyiyika mkati mwa Ntchito. Chidutswacho chimagwiritsa ntchito mawonekedwe ake panthawi ya onAttach() njira ya moyo wake ndipo imatha kuyimbira njira za Interface kuti athe kulumikizana ndi Ntchito.

Kodi ndingasinthe bwanji chidutswa?

Gwiritsani ntchito replace() kuti musinthe chidutswa chomwe chilipo mu chidebe ndi chitsanzo cha chigawo chatsopano chomwe mumapereka. Kuitana m'malo () ndikofanana ndi kuitana chotsa () ndi chidutswa mu chidebe ndikuwonjezera chidutswa chatsopano pachidebe chomwechi. kugulitsa. kuchita ();

Kodi tingapange bwanji mgwirizano pakati pa ntchito ndi chidutswa?

Mutha kupanga chiwonetsero chapagulu ndi chilengezo chantchito mugawo ndikukhazikitsa mawonekedwe muzochitazo. Ndiye inu mukhoza kuitana ntchito kuchokera fragment. Ndikugwiritsa ntchito Zolinga kuti ndifotokoze zomwe zikuchitika ku zochitika zazikulu.

Kodi chidutswa mu Chingerezi ndi chiyani?

Zidutswa ndi ziganizo zosakwanira. Nthawi zambiri, tizidutswa tating'onoting'ono ndi zidutswa za ziganizo zomwe zasiyanitsidwa ndi ndime yayikulu. Imodzi mwa njira zosavuta zowongolera ndikuchotsa nthawi pakati pa chidutswacho ndi ndime yayikulu. Mitundu ina ya zizindikiro zopumira zingafunike pa chiganizo chatsopanocho.

Kodi mungadziwe bwanji ngati chidutswa chikuwoneka?

Only isResumed() imawonetsetsa kuti chidutswa chanu chili kutsogolo kwa wogwiritsa ntchito ndipo wogwiritsa ntchito amatha kulumikizana nacho ngati ndichomwe mukuyang'ana. Chinthu chimodzi choyenera kudziwa, ndikuti isVisible () imabwezeretsa mawonekedwe achidutswa chomwe chilipo.

Kodi fragment Android ndi chiyani?

Chigawochi chikuyimira gawo lomwe lingathe kugwiritsidwanso ntchito mu UI ya pulogalamu yanu. Chidutswa chimatanthauzira ndikuwongolera masanjidwe ake, chimakhala ndi moyo wake, ndipo chimatha kuthana ndi zochitika zake. Zidutswa sizingakhale paokha-ziyenera kuchitidwa ndi zochitika kapena chidutswa china.

Kodi ndingaphatikize bwanji chidutswa ku ntchito?

Onjezani chidutswa ku ntchito

Mutha kuwonjezera kachidutswa kanu pamawonekedwe a zochitikazo mwina pofotokozera chidutswacho mufayilo yamakonzedwe a zochita zanu kapena kufotokozera chidebe chomwe chili mufayilo yantchito yanu ndikuwonjezera mwadongosolo chidutswacho kuchokera muzochita zanu.

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