I-ConstraintLayout iyisakhiwo ku-Android esikunikeza izindlela eziguquguqukayo nezivumelana nezimo zokudala ukubuka kwezinhlelo zakho zokusebenza. I-ConstraintLayout, manje eseyisakhiwo esizenzakalelayo ku-Android Studio, ikunikeza izindlela eziningi zokubeka izinto. Ungabacindezela esitsheni sabo, komunye nomunye noma emikhombandlela.
Kungani sisebenzisa ukwakheka kokuvinjwa ku-Android?
I-ConstraintLayout inikeza wena ikhono lokuklama i-UI yakho ngokuphelele ngesici sokuhudula bese uphonsa esinikezwa i-Android Umhleli we-studio design. Kuyasiza ukuthuthukisa ukusebenza kwe-UI ngaphezu kwezinye izakhiwo. Ngosizo lwe-ConstraintLayout, singakwazi ukulawula iqembu lamawijethi ngomugqa owodwa wekhodi.
Yini entsha ekuhlelweni kokuvinjelwa ku-Android?
I-ConstraintLayout iyi-ViewGroup ikuvumela ukuthi ubeke futhi usayizi wamawijethi kuwo indlela eguquguqukayo. Qaphela: I-ConstraintLayout iyatholakala njengomtapo wolwazi ongawusebenzisa ezinhlelweni ze-Android uqala nge-API level 9 (Gingerbread). Ngakho-ke, sihlela ukucebisa i-API namandla ayo ngokuhamba kwesikhathi.
Isiphi isakhiwo esihle kakhulu ku-Android?
Othathayo. I-LinearLayout ilungele ukubonisa ukubuka kumugqa owodwa noma ikholomu. Ungakwazi ukwengeza ama-layout_weights ekubukweni kwengane uma udinga ukucacisa ukusatshalaliswa kwesikhala. Sebenzisa i-RelativeLayout, noma engcono nakakhulu i-ConstraintLayout, uma udinga ukubeka imibono ngokuhlobene nokubukwa kwezingane zakini noma ukubuka komzali.
Ingabe singasebenzisa ukwakheka kwesidleke somkhawulo ku-Android?
2 Izimpendulo. Yebo, ungakwazi ukusebenzisa i-ConstraintLayouts, ngivele ngenze ngaphandle kwenkinga. Ngiphakamisa ukuthi uhlole kabili i-syntax yakho. I-ClassNotFoundException ngenkathi ukwenza isidleke akuwenzi umqondo.
Yini i-Android hierarchy?
I-Hierarchy Viewer i ithuluzi elakhelwe ku-Android Device Monitor lokho kukuvumela ukuthi ulinganise isivinini sesakhiwo sokubuka ngakunye ekulandeleni kwesakhiwo sakho. Ingakusiza ukuthi uthole izithiyo zokusebenza ezibangelwa ukwakheka kwesigaba sakho sokubuka. Qaphela: I-Hierarchy Viewer ayisathuthukiswa.
Uyini umsebenzi oyinhloko wesakhiwo sokukhawulela?
Isakhiwo Sokukhawulela yenza kube lula ukudala izakhiwo eziyinkimbinkimbi ku-Android ngokwenza kube nokwenzeka ukwakha iningi le-UI yakho usebenzisa umhleli obonakalayo ku-Android Studio.. Ivamise ukuchazwa njenge-RelativeLayout enamandla kakhulu. Nge-Constraint Layout ungachaza izakhiwo eziyinkimbinkimbi ngaphandle kokwakha izigaba zokubuka eziyinkimbinkimbi.
Ingabe kufanele ngaso sonke isikhathi usebenzise isakhiwo sokuvinjelwa?
I-Android Studio isinika inani lezakhiwo futhi kungase kudide ukukhetha ewufanelekela umsebenzi wakho. Hhayi-ke, isakhiwo ngasinye sinezinzuzo zayo kodwa uma kukhulunywa ngaso ukubukwa okuyinkimbinkimbi, okuguquguqukayo nokuphendulayo kufanele njalo ukhethe I-Constraint Layout.
Iyini ukusetshenziswa kwesakhiwo somugqa ku-Android?
I-LinearLayout i iqembu lokubuka eliqondanisa zonke izingane ohlangothini olulodwa, ziqonde ngqo noma zivundlile. Ungacacisa isiqondiso sesakhiwo ngesibaluli se-android:orientation. Qaphela: Ukuze uthole ukusebenza okungcono nokusekelwa kwamathuluzi, kufanele esikhundleni salokho wakhe isakhiwo sakho nge-ConstraintLayout.