Umbuzo wakho: Ngiyisebenzisa kanjani ibha yamathuluzi yewijethi yosekelo lwe-Android?

Ngiyisebenzisa kanjani ibha yamathuluzi ye-Android?

Engeza ibha yamathuluzi Emsebenzini

1. Engeza ilabhulali yosekelo lwe-v7 appcompat kuphrojekthi yakho, njengoba kuchazwe Ekusethweni Kwelabhulali Yokusekela.
2. Qiniseka ukuthi umsebenzi unweba i-AppCompatActivity : …
3. Ku-app manifest, setha i- isici sokusebenzisa itimu eyodwa ye-appcompat's NoActionBar. …
4. Engeza ibha yamathuluzi esakhiweni somsebenzi.

Ngiwasebenzisa kanjani amabha wamathuluzi?

Sesha Ukubuka Kwebha yamathuluzi kumenyu ye-Palette ekhona phezulu kwesokunxele sefasitela Lokuklama. Idonse futhi uyibeke njengengane ye-ConstraintLayout. Ukuze wenze ukubonakala kwayo kufane ne-ActionBar, engeza i-AppBarLayout kokuthi activity_main. xml ngendlela yokuthi Ibha yamathuluzi ibe ingane yayo.

Ngiyisebenzisa kanjani i-AppCompatActivity?

Yethulwe ku-API 21 (Android 5.0 Lollipop).

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Ibha yamathuluzi ye-Android ye-AppCompatActivity

1. Isinyathelo 1: Hlola ukuncika kwe-Gradle. …
2. Isinyathelo sesi-2: Lungisa ifayela lakho le-layout.xml bese wengeza isitayela esisha. …
3. Isinyathelo sesi-3: Engeza imenyu yebha yamathuluzi. …
4. Isinyathelo sesi-4: Engeza ibha yamathuluzi kumsebenzi. …
5. Isinyathelo sesi-5: Gxilisa (Engeza) imenyu kubha yamathuluzi.

Ngisengeza kanjani isithonjana kubha yamathuluzi ye-Android?

Ukwengeza Izithonjana Nezinto Zemenyu Kubha yamathuluzi ye-Android

1. Uma uthola ibhokisi lengxoxo phezulu, khetha imenyu kokwehliswayo kohlobo Lwezinsiza:
2. Ibhokisi legama lohla lwemibhalo phezulu lizoshintshela kumenyu:
3. Chofoza okuthi KULUNGILE ukuze udale ifolda yemenyu ngaphakathi kohla lwemibhalo yakho:
4. Manje chofoza kwesokudla ifolda yakho yemenyu entsha.

Iyini ukusetshenziswa kwebha yamathuluzi ku-Android?

Ibha yamathuluzi yethulwa ku-Android Lollipop, ukukhishwa kwe-API 21 futhi injalo umlandeli wokomoya we-ActionBar. Kuyi-ViewGroup engabekwa noma yikuphi ezakhiweni zakho ze-XML. Ukubukeka nokuziphatha kwebha yamathuluzi kungenziwa ngendlela oyifisayo kalula kune-ActionBar.

Iyini ukusetshenziswa kwebha yamathuluzi?

Ibha yamathuluzi iyingxenye yewindi, ngokuvamile ibha ngaphesheya, equkethe izinkinobho ezikhipha imiyalo uma uzichofoza. Izinhlelo zokusebenza eziningi ziqukethe amabha wamathuluzi ongawenza ngendlela oyifisayo ukuze imiyalo oyisebenzisa njalo itholakale kalula futhi ibonakale kalula. Amabhokisi ezingxoxo amaningi nawo aqukethe amabha wamathuluzi.

Yiziphi izehlakalo zebha yamathuluzi?

Izinkinobho zebha yamathuluzi zibekwa eqoqweni lezinkinobho, iqoqo linikezwe ibha yamathuluzi, futhi ibha yamathuluzi yengezwa efomini. Use I-ButtonClick umcimbi webha yamathuluzi, isici Senkinobho ye-ToolBarButtonClickEventArgs siyahlolwa, bese kuvulwa ibhokisi lengxoxo elifanele.

Kufanele ngisebenzise nini i-AppCompatActivity?

2019: Sebenzisa i-AppCompatActivity



Ngesikhathi sokubhala lokhu (hlola isixhumanisi ukuze uqinisekise ukuthi siseyiqiniso), i-Android Documentation incoma ukusebenzisa i-AppCompatActivity uma usebenzisa Ibha Yohlelo Lokusebenza. Ukuqala nge-Android 3.0 (API ileveli 11), yonke imisebenzi esebenzisa itimu ezenzakalelayo ine-ActionBar njengebha yohlelo lokusebenza.

Liyini ikilasi le-AppCompatActivity ku-Android?

androidx.appcompat.app.AppCompatActivity. Ikilasi lesisekelo ngemisebenzi efisa ukusebenzisa ezinye izici ezintsha zenkundla kwakudala Amadivayisi e-Android. Ezinye zalezi zici ezibuyiselwe emuva zihlanganisa: Ukusebenzisa ibha yesenzo, okuhlanganisa izinto zesenzo, amamodi okuzulazula nokuningi nge-setSupportActionBar(Toolbar) API.

Kungani sisebenzisa ukunweba i-AppCompatActivity?

Ukunweba ikilasi



ukusekela. … Ukuba yisibonelo se-AppCompatActivity ku-Android kusho ukuthi wena ingathatha ithuba layo yonke ikhodi ebhalwe kusengaphambili yekilasi le-AppCompatActivity. Uma unweba ikilasi elikhona le-Java (njengesigaba se-AppCompatActivity), udala ikilasi elisha elinomsebenzi wekilasi elikhona.