Ku-android, iMenu iyingxenye ye-interface yomsebenzisi (UI) esetshenziselwa ukuphatha umsebenzi othile ovamile ohlelweni lokusebenza. Ngokusebenzisa Amamenyu ezinhlelweni zethu, singanikeza ulwazi lomsebenzisi olungcono futhi olungaguquki kulo lonke uhlelo lokusebenza.
Usho ukuthini ngemenyu ku-android?
Amamenyu a ingxenye evamile yomsebenzisi ezinhlotsheni eziningi zezicelo. … Imenyu yezinketho iqoqo lokuqala lezinto zemenyu zomsebenzi. Yilapho okufanele ubeke khona izenzo ezinomthelela womhlaba wonke kuhlelo lokusebenza, njengokuthi “Sesha,” “Bhala i-imeyili,” kanye “Nezilungiselelo.”
Iyini imenyu nezinhlobo zemenyu ku-android?
Kunezinhlobo ezintathu zamamenyu ku-Android: I-Popup, Contextual kanye Nezinketho. Ngamunye unecala elithile lokusetshenziswa nekhodi ehambisana nalo. Ukuze ufunde ukuthi zisetshenziswa kanjani, qhubeka. Imenyu ngayinye kufanele ibe nefayela le-XML elihlobene nayo elichaza isakhiwo sayo.
Yiziphi izimfanelo zento yemenyu ku-android?
Izichasiso Zemenyu Yezinketho ze-Android
| izimfanelo | Incazelo |
|---|---|
| android:isithonjana | Isetshenziselwa ukusetha isithonjana sento kufolda edwebekayo. |
| android:isihloko | Isetshenziselwa ukusetha isihloko sento |
| android:showAsAction | Isetshenziselwa ukucacisa ukuthi into kufanele ivele kanjani njengento yesenzo kubha yohlelo lokusebenza. |
Yiziphi izinhlobo zemenyu ku-android?
Kunezinhlobo ezintathu zamamenyu ku-Android: I-Popup, Contextual kanye Nezinketho. Ngamunye unecala elithile lokusetshenziswa nekhodi ehambisana nalo.
Yiziphi izinhlobo ezimbili zemenyu ye-popup?
I-PopupMenu - A imenyu ye-modal lokho kugxile ekubukeni okuthile ngaphakathi komsebenzi. Imenyu ivela ngezansi kwalokho kubuka uma ikhethiwe. Isetshenziselwa ukunikeza imenyu yakho konke evumela izenzo zesibili entweni. I-PopupWindow - Ibhokisi lengxoxo elilula elizuza ukugxila lapho livela esikrinini.
Yiziphi izinto zemenyu?
ibizo. 1Isidlo ngasinye noma enye into ezokhethwa kumenyu ekhefi noma endaweni yokudlela. 'bangeza nezinto ezintsha zemenyu njengesaladi nama-smoothies'
Yini i-invalidateOptionsMenu ku-Android?
i-invalidateOptionsMenu() isetshenziselwa ukusho i-Android, ukuthi okuqukethwe kwemenyu kushintshile, futhi imenyu kufanele idwetshwe kabusha. Isibonelo, uchofoza inkinobho eyengeza enye into yemenyu ngesikhathi sokusebenza, noma efihla iqembu lezinto zemenyu. Kulokhu kufanele ushayele invalidateOptionsMenu() , ukuze uhlelo luyidwebe kabusha ku-UI.