Scaffold yog chav kawm hauv flutter uas muab ntau yam khoom siv lossis peb tuaj yeem hais APIs xws li Drawer, SnackBar, BottomNavigationBar, FloatingActionButton, AppBar thiab lwm yam. Scaffold yuav nthuav lossis tuav tag nrho cov cuab yeej. npo. Nws yuav nyob ntawm qhov chaw muaj.
Scaffold Flutter yog dab tsi?
Lub Scaffold yog ib lub widget hauv Flutter siv los siv cov khoom siv yooj yim tsim qauv tsim qauv. … Cov chav kawm Scaffold yog ib qho shortcut los teeb tsa qhov zoo thiab tsim ntawm peb lub app uas tso cai rau peb tsis txhob tsim cov ntsiab lus pom ntawm tus kheej. Nws txuag peb lub sijhawm los sau cov lej ntxiv rau qhov zoo thiab qhov xav tau ntawm lub app.
Dab tsi yog MaterialApp thiab Scaffold hauv Flutter?
MaterialApp yog ib lub widget uas qhia txog ntau tus widgets (Navigator, Ntsiab Lus) uas yuav tsum tau tsim cov khoom tsim app. Thaum Scaffold cia koj ua raws li cov khoom siv tus qauv app widgets uas feem ntau daim ntawv thov muaj. Xws li AppBar, BottomAppBar, FloatingActionButton, BottomSheet, Drawer, Snackbar.
Qhov txawv ntawm Scaffold thiab ntim hauv Flutter yog dab tsi?
Tus scaffold yuav muab cov khoom saib thiab hnov hauv Screen. Thawv: Lub thawv yog ib qho yooj yim / ib qho widget hauv Flutter uas yuav muaj lwm cov widgets. peb tuaj yeem muab padding, qhov loj me, txoj haujlwm thiab lwm yam.
Vim li cas peb thiaj siv scaffolding?
Nws tso cai rau cov neeg tsim kho kom muaj kev nyab xeeb txhim kho cov tsev siab siabthiab / lossis ua haujlwm kho qhov tsim nyog thiabkev saib xyuas ntawm ib qho qauv lossis lub tsev. Scaffolding tseem ua kom tiav sai ntawm cov kev tsim kho uas xav tau, thaum ua kom muaj kev nyab xeeb ntawm cov neeg ua haujlwm thiab cov pej xeem.
