Umhleli woYilo usebenzisa imiqobo ukumisela indawo ye-UI element ngaphakathi kobeko. Isithintelo simele uqhagamshelo okanye ulungelelwaniso komnye umbono, ubume bomzali, okanye isikhokelo esingabonakaliyo. Unokwenza imiqobo ngesandla, njengoko sibonisa kamva, okanye ngokuzenzekelayo usebenzisa isixhobo sokuQhagamshela ngokuzenzekela.
Yintoni ukusetyenziswa koyilo lokunyanzeliswa kwi-Android?
IConstrainLayout yi-android. umbono. I-ViewGroup ekuvumela ukuba ubeke kunye nobukhulu bewijethi ngendlela eguquguqukayo. Qaphela: I-ConstraintLayout iyafumaneka njengethala leencwadi lenkxaso onokulisebenzisa kwiinkqubo ze-Android ukuqala nge-API level 9 (Gingerbread).
Yintoni inzuzo yoyilo lwesithintelo?
Oku kungenxa yokuba i-ConstraintLayout ikuvumela ukuba wakhe uyilo oluntsonkothileyo ngaphandle kokuba nendlwane yokuJonga kunye nokuJonga iGroup izinto. Xa usebenzisa isixhobo se-Systrace kuguqulelo loyilo lwethu olusebenzisa i-ConstraintLayout, ubona umlinganiselo obiza kakhulu/uyilo lokudlula ngexesha elifanayo lemizuzwana engama-20.
Ngaba kufuneka ndisoloko ndisebenzisa uyilo lwesithintelo?
ISitudiyo se-Android sibonelela ngenani loyilo kwaye kusenokubhideka ukukhetha eyona iwufaneleyo umsebenzi wakho. Ewe, uyilo ngalunye luneenzuzo zalo kodwa xa isiza kwiimbono ezintsonkothileyo, eziguquguqukayo kunye neziphendulayo kufuneka usoloko ukhetha uLayo loMnyanzelo.
Ngaba isithintelo uyilo lungcono kunoyilo oluzalanayo?
I-ConstraintLayout inoluhlu lwembonakalo ethe tyaba ngokungafaniyo nolunye uhlengahlengiso, kukwanjalo nangomsebenzi ongcono kunoyilo oluzalanayo. Ewe, le yeyona nzuzo inkulu yoLwakhiwo lweSithintelo, ekuphela koyilo olunokuphatha i-UI yakho. Apho kwi-Relative ubeko ubufuna uyilo lwendlwane ezininzi (LinearLayout + RelativeLayout).
Yintoni isithintelo?
: Into ekhawulela okanye ethintela umntu okanye into. : ulawulo olukhawulela okanye oluthintela izenzo okanye ukuziphatha komntu. Jonga inkcazo epheleleyo yesinyanzelo kwiSichazi-magama soLwimi lwesiNgesi. isithintelo. isibizo.
Zeziphi iintlobo ezahlukeneyo zoyilo kwi-Android?
Iintlobo zoLwakhiwo kwi-Android
- Ubeko lweMigca.
- UYilo olunxulumeneyo.
- UYilo lweSithintelo.
- UYilo lweTheyibhile.
- UYilo lwesakhelo.
- Ukujonga uluhlu.
- Umbono weGridi.
- Uyilo olugqibeleleyo.
Loluphi ubeko olukhawulezayo kwi-Android?
Iziphumo zibonisa ukuba olonabeko lukhawulezayo luYilo oluLulekelelekayo, kodwa umahluko phakathi koku kunye noYilo loMgca mncinci ngenene, into esingenakuyithetha malunga noYilo loMnyanzelo. Uyilo oluntsonkothileyo ngakumbi kodwa iziphumo ziyafana, uYilo loMnyanzelo olusicaba lucotha kunoLayiko olubekwe kwindlwana.
Yeyiphi uyilo ilungileyo kwi-Android?
Sebenzisa iFrameLayout, iRelativeLayout okanye uyilo olulungiselelweyo endaweni yoko.
Olo yilo luya kuziqhelanisa nobukhulu obahlukeneyo besikrini, ngelixa i-AbsoluteLayout ingayi. Ndihlala ndisiya kwi-LinearLayout phezu kwayo yonke enye indlela.
Yintoni umqobo ubeko kumzekelo Android?
I-Android Constraining Layout Overview
I-Android ConstraintLayout isetyenziselwa ukuchaza uyilo ngokunika imiqobo kuyo yonke imbono yomntwana/iwijethi enxulumene nezinye iimboniselo ezikhoyo. IConstraintLayout iyafana neRelativeLayout, kodwa ngamandla angaphezulu.
Ubeka njani ubunzima kuyilo lwesithintelo?
Singaseta icala kwityathanga ngokuseta app_layout_constraintHorizontal_bias=”0.75″ ngexabiso eliphakathi kwe-0.0 kunye ne-1.0. Okokugqibela, sinokuchaza iintsimbi ngokucacisa android_layout_width=”0dp” kwaye app_layout_constraintHorizontal_weight=”1″ .
YINTONI umqobo kuyilo lwesithintelo?
androidx.constraintlayout.widget.Barrier. Ifakwe kwi-1.1. Isithintelo sibhekisa kwiwijethi ezininzi njengegalelo, kwaye senza isikhokelo esibonakalayo esekwe kweyona widget igqithisileyo kwicala elikhankanyiweyo. Umzekelo, umqobo osekhohlo uya kulungelelaniswa ngasekhohlo kuzo zonke iimboniselo ezikhankanyiweyo.
Yintoni i-bias kuyilo lwesithintelo?
Ixabiso olisetayo njengecala elithe tye okanye elithe nkqo linani eliphakathi ko-0 no-1, elimele ipesenti, apho elikufutshane ku-0 lithetha utyekelo oluthe tyaba ukuya ekhohlo (othe tye) okanye umqobo ongaphezulu (othe nkqo) kwaye okufutshane ku-1 uthetha. okukhona kuthambekele ekunene (horizontal) okanye umqobo osezantsi (nkqo).
Yintoni i-isted layout kwi-Android?
Ngegama elithi Nested sithetha uYilo olunye ngaphakathi kolunye uYilo. Kwi-Android yonke imilo inokubekwa enye kwenye. Kulo mzekelo senza iFom yoBhaliso enemihlaba emininzi sisebenzisa iiNested Linear Layouts.
Yintoni ubeko lomgca kwi-Android?
I-LinearLayout liqela lokujonga elilungelelanisa bonke abantwana kwicala elinye, ngokuthe nkqo okanye ngokuthe tye. Ungakhankanya isalathiso sobeko kunye ne-android:uphawu loyelelwano. Qaphela: Ukwenza ngcono ukusebenza kunye nenkxaso yezixhobo, endaweni yoko kufuneka wakhe uyilo lwakho ngeConstraintLayout.
Uyisebenzisa njani uyilo olunxulumeneyo?
Kwi-android, iRelativeLayout liQela lokuJonga elisetyenziselwa ukukhankanya indawo yeziganeko zokuJonga umntwana ngokuzalana kwenye (Umntwana A ukuya ekhohlo kuMntwana B) okanye isalamane kumzali (Ilungelelaniswe phezulu komzali). Okulandelayo kukuboniswa kwemifanekiso yoyilo olunxulumeneyo kwizicelo ze-android.