Cov txheej txheem:
Video: Yuav ua li cas los tsim ib tug layout nyob rau hauv flutter?
2024 Tus sau: Lynn Donovan | [email protected]. Kawg hloov kho: 2024-01-18 08:24
Hauv Flutter, nws tsuas yog siv ob peb kauj ruam los tso cov ntawv, lub cim, lossis duab ntawm lub vijtsam
- Xaiv ib layout widget.
- Tsim pom widget.
- Ntxiv qhov pom widget rau hauv layout widget.
- Ntxiv cov layout widget rau nplooj ntawv.
Ntawm no, layout flutter yog dab tsi?
Raws li lub ntsiab lus tseem ceeb ntawm Flutter yog txhua yam yog widget, Flutter suav nrog tus neeg siv interface layout functionality nyob rau hauv lub widgets nws tus kheej. Flutter muab ntau yam tshwj xeeb tsim widgets xws li Thawv, Center, Align, thiab lwm yam, tsuas yog rau lub hom phiaj ntawm nteg tawm tus neeg siv interface.
Tsis tas li ntawd, dab tsi yog padding hauv flutter? Padding yog siv los teeb tsa qhov chaw nruab nrab ntawm Cov Ntsiab Lus Cov ntsiab lus thiab cov ntsiab lus hauv cheeb tsam. Nws zoo li hom paj ntaub tab sis tsuas yog siv rau ntawm Cov Ntawv los teeb qhov chaw ntawm ciam teb thaj chaw. Yog li hauv no nyeem peb yuav Ntxiv Padding rau Text Widget Text hauv Flutter Android iOS Piv txwv Tutorial.
Hauv qhov no, dab tsi yog mainAxisAlignment hauv flutter?
Cov me nyuam ntawm ib kab yog nteg tawm vertically, los ntawm sab saum toj mus rau hauv qab (ib lub neej ntawd). Qhov no txhais tau tias, siv mainAxisAlignment nyob rau hauv ib Kem aligns nws cov me nyuam vertically (piv txwv li saum toj, hauv qab) thiab crossAxisAlignment txhais li cas cov me nyuam nyob rau hauv horizontally nyob rau hauv kab ntawd.
Dab tsi yog flutter containers?
Yog koj yog tus tshiab plam koj yuav tsum tau xav tias yog dab tsi Thawv tiam, A Thawv yog ib qho yooj yim widget uas sib txuas cov duab kos duab, qhov chaw, thiab qhov loj me widget. Koj siv tau Thawv rau tej widgets ntxiv ib co styling zog.
Pom zoo:
Yuav ua li cas yog ib tug txheej txheem nyob rau hauv lub operating system dab tsi yog ib tug xov nyob rau hauv lub operating system?
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