Morero oa super onCreate () ho android ke ofe?

Ka ho bitsa super. onCreate(savedInstanceState); , u bolella Dalvik VM ho tsamaisa khoutu ea hau ho phaella ho khoutu e teng ho onCreate() ea sehlopha sa motsoali. Haeba u tlohela mohala ona, ho tla sebetsa khoutu ea hau feela. Khoutu e teng e hlokomolohuoa ka botlalo.

Morero oa super onCreate () ho Android Mcq ke ofe?

Q 9 - Sepheo sa super ke sefe. onCreate() ho android? The super. onCreate() e tla theha fensetere ea litšoantšo bakeng sa li-subclass le sebaka sa onCreate() mokhoa.

Morero oa tšebetso ea onCreate () ho Android ke ofe?

Mosebetsi oa onCreate(Bundle savedInstanceState) ho Android:

Ha e le hantle, sehlopha sa Bundle se e sebelisetsoang ho boloka lintlha tsa ts'ebetso neng kapa neng ha maemo a holimo a hlaha ho app. onCreate () ha e hlokehe bakeng sa lisebelisoa. Empa lebaka leo e sebelisoang ho app ke hobane mokhoa oo ke sebaka se setle sa ho beha khoutu ea ho qala.

U sebelisa mokhoa oa onCreate joang?

Mokhoa oa ho sebelisa OnCreate mokhoa in kenh. app e. Fragment

  1. FragmentManager fragmentManager;tag ea khoele;fragmentManager.findFragmentByTag(tag)
  2. FragmentManager fragmentManager;fragmentManager.findFragmentById(id)
  3. Ketsahalo;String tag;activity.getFragmentManager().findFragmentByTag(tag)

Hobaneng ha OnCreate e sirelelitsoe ho Android?

onCreate ke eseng lekunutu hobane o batla ho theola Ketsahalo ebe o sebelisa mokhoa oa super Activity onCreate bakeng sa sehlopha se tlase. Haele hantle, Ts'ebetso e 'ngoe le e' ngoe eo u e ralang e atolosoa ka android. app. Ketso, kahoo haeba onCreate e ne e le lekunutu sehlopheng seo sa maemo a holimo, u ne u ke ke ua khona ho letsetsa hoCreate ho hang.

Tšebeliso ea JNI ke efe ho Android?

JNI ke Java Native Interface. Eona e hlalosa mokhoa oa bytecode eo Android e e bokellang ho tsoa ho khoutu e laoloang (e ngotsoeng ka lipuo tsa lenaneo la Java kapa Kotlin) ho sebelisana le khoutu ea lehae (e ngotsoeng ka C/C ++).

Na sehlopha se ka fetoha ho Android?

Ntho e ka fetoloang ka mor'a hore e bōptjoe, 'me ntho e sa fetoheng e ke ke ea khona. Ho boletse joalo, haeba u hlalosa sehlopha sa hau, u ka etsa hore lintho tsa sona li se ke tsa fetoha ka ho etsa hore likarolo tsohle e be tsa ho qetela le tsa lekunutu. Likhoele li ka fetoha kapa li sa fetohe ho latela puo.

Ke sebelisa onPause joang ho Android?

Mokhoa oa ho sebelisa ka Khutsa mokhoa in kenh. app e. Fragment

  1. FragmentManager fragmentManager;tag ea khoele;fragmentManager.findFragmentByTag(tag)
  2. FragmentManager fragmentManager;fragmentManager.findFragmentById(id)
  3. Ketsahalo;String tag;activity.getFragmentManager().findFragmentByTag(tag)

Mokhoa oa OnCreate () ke eng?

onCreate ke se sebedisoang ho qala ketso e itseng. super e sebelisoa ho bitsa sehahi sa sehlopha sa motsoali. setContentView e sebelisoa ho seta xml.

Phapano ke efe lipakeng tsa OnCreate le onStart Android?

onCreate () ke bitsoa ha ketsahalo e qala ho etsoa. onStart() e bitsoa ha ts'ebetso e ntse e bonahala ho mosebelisi.

Ho etsahalang ho onCreate?

onCreate(savedInstanceState); Ho etsa hore e be bonolo e tsosolosa boemo ba sesebelisoa ha u fetola mokhoa oa ho sheba sesebediswa. Ha o qala sesebelisoa se bolokiloengInstanceState ha e na letho, kahoo ha ho letho le etsahalang, empa ha o potoloha smartphone kapa tablet ea Android e boloka boemo ba ts'ebetso ho se bitsoang Bundle ebe o se kenya hape.

Ke sebelisa onStart joang ho Android?

onStart ()

  1. Ha ts'ebetso e qala ho bonahala ho mosebelisi joale onStart() e tla bitsoa.
  2. Sena se letsa hang ka mor'a hore onCreate() e qalisoa ka lekhetlo la pele.
  3. Ha ts'ebetso e qala, qala ka mokhoa oa onCreate() ebe onStart() ebe onResume().
  4. Haeba ts'ebetso e le maemong a onPause() ke hore, ha e bonahale ho mosebelisi.
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