ị nwere ike ịkwaga na iberibe ọzọ site na iji azụmahịa FragmentManager. Enweghị ike ịkpọ iberibe ihe omume,. Iberibe dị na ịdị adị nke ihe omume.
Kedu ka esi esi malite otu iberibe site na ibe?
Mbụ ị chọrọ ihe atụ nke iberibe 2nd. Mgbe ahụ ị ga-enwe ihe FragmentManager na FragmentTransaction. Koodu zuru oke dị ka n'okpuru, Fragment2 fragment2=Iberibe ọhụrụ2(); FragmentManager fragmentManager=getActivity().
Kedu ka m ga-esi si n'otu mpekere gaa na nke ọzọ na Kotlin?
Ihe atụ a na-egosi otu esi ezipụ data site na otu iberibe gaa na nke ọzọ site na iji Kotlin. Nzọụkwụ 1 - Mepụta ọrụ ọhụrụ na gam akporo Studio, gaa na File ⇉ New Project wee jupụta nkọwa niile achọrọ iji mepụta ọrụ ọhụrụ. Kwụpụ 3 - Mepụta FragmentActivity abụọ wee tinye koodu ndị enyere n'okpuru.
Kedu otu ị ga-esi kpọọ iberi sitere na ibe ọzọ?
Android FragmentManager na Fragment Transaction Ihe Nlereanya | Jiri bọtịnụ OnClickListener dochie mpempe akwụkwọ ọzọ
- beginTransaction(): Site n'ịkpọ usoro a, anyị na-amalite azụmahịa iberibe ma weghachi FragmentTransaction .
- FindFragmentById(int id): Site na-agafe id, ọ na-eweghachite iberibe ihe atụ.
9 afọ. 2015 г.
Kedu otu esi ezobe iberibe?
Ejila ọkọlọtọ visibiliti nke akpa emekọrịta ihe - FragmentTransaction. zoo/gosi na-eme nke ahụ n'ime gị. Ndewo, ị na-eme ya site na iji usoro a, iberibe niile ga-adị n'ime akpa ahụ ozugbo agbakwunyere na mbụ, mgbe ahụ anyị na-ekpughe naanị iberibe achọrọ ma zoo ndị ọzọ n'ime akpa ahụ.
Kedu otu esi egbu iberibe?
fragmenti njikwa. startTransaction(). dochie (R.
Kedu otu ị ga-esi nyefee data site na otu iberibe gaa na ibe ọzọ na gam akporo site na iji interface?
Ụzọ dị mma isi mee nke ahụ bụ ịkọwapụta interface callback n'ime iberibe ahụ ma chọọ ka ọrụ onye ọbịa mejuputa ya. Mgbe mmemme ahụ nwetara oku site na interface ahụ, ọ nwere ike kesaa ozi ahụ na ibe ndị ọzọ dị na nhazi ahụ dịka ọ dị mkpa.
Kedu otu ị ga-esi esi n'otu mpekere gaa na ibe ọzọ na gam akporo site na iji igodo?
Otu esi aga n'etiti iberi site na iji akụkụ nsoroụzọ
- Tinye ihe ndabere maka mpaghara nsoroụzọ.
- Mepụta akụrụngwa eserese igodo nsoroụzọ.
- Tinye NavHostFragment na nhazi MainActivity.
- Mepụta ihe omume na-eme ka ịnyagharị n'etiti ebe aga na eserese nsoroụzọ.
- Jiri NavController ka ịnyagharịa na mmemme n'etiti iberibe.
Kedu otu esi eziga data site na iberibe gaa na ọrụ na gam akporo?
Iji kwe ka Iberibe kwurịta okwu ruo n'ọrụ ya, ị nwere ike ịkọwapụta interface dị na klaasị nkebi wee mejuputa ya n'ime mmemme ahụ. Iberibe ahụ na-ejide mmejuputa interface ahụ n'oge usoro onAttach() ndụ okirikiri wee nwee ike ịkpọ ụzọ Interface iji kparịta ihe omume ahụ.
Kedu ka m ga-esi dochie iberi?
Jiri dochie () iji jiri ihe atụ nke klaasị iberi ọhụrụ ị nyere dochie ibebe dị adị n'ime akpa. Ịkpọ replace() bụ ihe na-akpọ remove() na mpekere n'ime akpa ma tinye ibe ọhụrụ n'otu akpa ahụ. azụmahịa. eme ();
Kedu otu anyị nwere ike isi mepụta njikọ n'etiti ọrụ na iberibe?
Ị nwere ike ịmepụta mgbasa ozi ọha na eze na nkwupụta ọrụ na mpekere ma mejuputa interface na ọrụ ahụ. Mgbe ahụ ị nwere ike ịkpọ ọrụ ahụ site na iberibe. M na-eji Intents kwupụta omume laghachi na isi ọrụ.
Kedu ihe bụ iberibe na bekee?
Iberibe bụ ahịrịokwu ezughị oke. Na-emekarị, iberibe bụ iberibe ahịrị ahịrị ndị kwụsịrị na nkebiokwu bụ isi. Otu n'ime ụzọ kachasị mfe iji dozie ha bụ iwepụ oge n'etiti iberibe na isi okwu. Ụdị akara edemede ndị ọzọ nwere ike ịdị mkpa maka ahịrịokwu jikọtara ọhụrụ.
Kedu ka ị ga-esi mara ma a na-ahụ iberi?
Naanị isResumed() na-ahụ na iberibe gị dị n'ihu onye ọrụ na onye ọrụ nwere ike imekọrịta ya ma ọ bụrụ na nke ahụ bụ ihe ị na-achọ. Otu ihe ị ga-ama, bụ na isVisible() na-eweghachi ọnọdụ a na-ahụ anya nke iberibe ugbu a.
Kedu ihe bụ iberibe Android?
Iberibe na-anọchite anya akụkụ UI nke ngwa gị nwere ike ijikwa ya ọzọ. Iberibe na-akọwa ma na-ejikwa nhazi nke ya, nwere usoro ndụ nke ya, ma nwee ike ijikwa mmemme ntinye nke ya. Iberibe enweghị ike ịdị ndụ n'onwe ha-ha ga-abụrịrị mmemme ma ọ bụ iberibe ọzọ kwadoro ha.
Kedu otu m ga-esi tinye iberi na mmemme?
Tinye iberi na mmemme
Ị nwere ike ịgbakwunye iberibe gị n'usoro nlele nke ọrụ ahụ site na ịkọwa akụkụ dị na faịlụ nhazi ọrụ gị ma ọ bụ site na ịkọwapụta akpa iberibe n'ime faịlụ nhazi ọrụ gị wee tinye usoro ihe omume ahụ n'ime ọrụ gị.