I-Fragment imele ingxenye engasetshenziswa kabusha ye-UI yohlelo lwakho lokusebenza. Isiqeshana sichaza futhi silawule isakhiwo saso, sinomjikelezo waso wempilo, futhi singasingatha imicimbi yaso yokokufaka. Izingcezu azikwazi ukuphila ngokwazo–kumele zisingathwe umsebenzi noma esinye isiqephu.
Yiziphi izingcezu ku-Android ngesibonelo?
I-Android Fragment iyingxenye yomsebenzi, yaziwa nangokuthi umsebenzi ongaphansi. Kungaba nesiqeshana esingaphezu kwesisodwa emsebenzini. Izingcezu zimelela isikrini esiningi ngaphakathi komsebenzi owodwa.
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Izindlela Zokuphila Zesiqeshana se-Android.
| Cha | Indlela | Incazelo |
|---|---|---|
| 2) | I-onCreate (Inqwaba) | Isetshenziselwa ukuqalisa ucezu. |
Ngabe i-fragment isebenza kanjani ku-Android?
I-Fragment iyinhlanganisela yefayela lesakhiwo se-XML kanye nesigaba se-java esifana nomsebenzi . Ngokusebenzisa umtapo wosekelo, izingcezu zisekelwa emuva kuzo zonke izinguqulo ze-Android ezifanele. Izingcezu zihlanganisa ukubukwa kanye nengqondo ukuze kube lula ukuphinda kusetshenziswe ngaphakathi kwemisebenzi.
Ungazisebenzisa nini izingcezwana kuhlelo lwakho lokusebenza lwe-Android?
Developers can combine one or more fragments to build a single activity or even reuse fragments across multiple activities. Fragments were introduced in Android 3.0 to improve the user experience. Classically, developers would have to build a new Activity whenever the user interacted with the application.
Yini i-fragment nomsebenzi ku-Android?
Umsebenzi yingxenye lapho umsebenzisi ezosebenzisana khona nohlelo lwakho lokusebenza. … Ucezu lumelele ukuziphatha noma ingxenye yokusetshenziswa kubonwa Emsebenzini. Ungakwazi ukuhlanganisa izingcezu eziningi emsebenzini owodwa ukuze wakhe i-UI enamafasitelana amaningi futhi usebenzise kabusha isinqamu emisebenzini eminingi.
Siyini isiqeshana nezibonelo?
Ucezu iqoqo lamagama elingawuvezi umqondo ophelele. Akuwona umusho ophelele, kodwa kungaba umusho. Izibonelo Zocezu: umfana osemphemeni. kwesokunxele semoto ebomvu.
Uyini umehluko phakathi kwe-fragment ne-FragmentActivity?
Isigaba se-FragmentActivity sine-API yokusebenzisana nezingcezu , kuyilapho isigaba somsebenzi, ngaphambi kwe-HoneyComb, asinayo. Uma iphrojekthi yakho iqondise i-HoneyComb noma entsha kuphela, kufanele usebenzise Umsebenzi hhayi i-FragmentActivity ukuze ubambe Izingcezu zakho. Eminye imininingwane: Sebenzisa i-android.
Ngingawubona kanjani umsebenzi weziqephu?
Vele umemezele ukuthi i-TextView isesidlangalaleni esiqeshini, yiqalise ngokuthi findViewById() kucezu lwe-onCreateView(). Manje ngokusebenzisa i-Fragment Object oyingeze emsebenzini usungakwazi ukufinyelela i-TextView. Udinga ukushayela indlela i-FindViewById ekubukeni kwesiqephu sakho.
Isho ukuthini incezu?
: ingxenye ephukile, ehlukanisiwe, noma engaphelele Isitsha sibekwe izingcezu phansi. ucezu. isenzo. isiqephu | ˈfrag-ˌment
Uqala kanjani ucezu?
I-fragment newFragment = I-FragmentA. i-newInstance(injongo yedatha yakho yekilasi); I-FragmentTransaction transaction = getSupportFragmentManager(). beginTransaction(); // Miselela noma yini esekubukeni kwe-fragment_container ngalesi siqeshana, // bese wengeza okwenziwayo ekwenziweni kwesitaki sangemuva. esikhundleni (R.
Ingabe kufanele ngisebenzise izingcezu noma imisebenzi?
Ukukubeka kalula : Sebenzisa isinqamu lapho kufanele ushintshe izingxenye ze-UI zohlelo lokusebenza ukuze uthuthukise kakhulu isikhathi sokuphendula sohlelo lokusebenza. Sebenzisa umsebenzi ukuze uqalise izinsiza ze-Android ezikhona njengesidlali sevidiyo, isiphequluli njll.
Zingaki izinhlobo zezingcezu ezikhona ku-Android?
Kunezinhlobo ezine zezingcezu: ListFragment. I-DialogFragment. I-PreferenceFragment.
Siyikhipha kanjani idatha ethunyelwe isiqeshana esisodwa kusiqeshana samanje?
Ngakho ukuze wabelane ngeyunithi yezinhlamvu phakathi kwezingcezu ungamemezela Iyunithi Yezinhlamvu Emile Emsebenzini. Finyelela leyo yunithi yezinhlamvu ukusuka Kucezu A ukuze usethe inani futhi Thola inani leyunithi yezinhlamvu kusiqeshana B. 2. Zombili izingcezu zisingathwa Imisebenzi ehlukene- Bese ungasebenzisa i-putExtra ukuze udlulise iyunithi yezinhlamvu ukusuka Kucezu A Lomsebenzi A ukuya Kumsebenzi B.
Yiziphi izinhlobo ezine zezingcezu?
Bona izingcezu ezivame kakhulu futhi wazi ukuthi ungazilungisa kanjani.
- Izingcezu Zomthetho Ongaphansi. Isigatshana somthetho siqukethe isihlanganiso esingaphansi, inhloko, nesenzo. …
- Izingcezwana Zemisho Ehlanganyelwe. …
- Izingcezu Zemisho Engapheli. …
- Afterthought Fragments. …
- Izingcezu Zesenzo Sodwa.
What is a fragment sentence?
Izingcezu ziyimisho engaphelele. Ngokuvamile, izingcezu ziyizingcezu zemisho ezinqanyuliwe esigatshaneni esikhulu. Enye yezindlela ezilula zokuzilungisa ukususa inkathi phakathi kocezu nesigatshana somthetho. Ezinye izinhlobo zezimpawu zokubhala zingadingeka emshweni osanda kuhlanganiswa.
What is fragment and its lifecycle?
Isiqeshana singasetshenziswa emisebenzini eminingi. Umjikelezo wokuphila kwengcezu uhlobene eduze nomjikelezo wempilo yomsebenzi womsingathi wayo okusho ukuthi uma umsebenzi umiswa isikhashana, zonke izingcezu ezitholakalayo emsebenzini nazo zizomiswa. Isiqephu singasebenzisa ukuziphatha okungenayo ingxenye yokusebenzelana komsebenzisi.