Vim li cas cov neeg mob ntshav qab zib thiaj li qeeb?

Video: Vim li cas cov neeg mob ntshav qab zib thiaj li qeeb?

2024 Tus sau: Lynn Donovan | [email protected]. Kawg hloov kho: 2023-12-15 23:47

Tsis tsim nyog rov ua dua yog # 1 vim li cas feem ntau React Native apps yog qeeb . Siv cov cuab yeej xws li yog vim li cas-did-koj-hloov tshiab lossis ntxiv qhov yooj yim breakpoint lossis counter hauv render() los saib xyuas koj qhov rov ua dua thiab ua kom lawv zoo dua.

Dhau li ntawm no, puas yog cov neeg teb chaws qeeb?

Yog koj khiav React Native on ib Android Emulator, nws yuav zoo nkauj qeeb . Tsis tas li ntawd, yog tias koj muaj chrome debugging rau, nws ua rau lub app qeeb heev.

Kuj Paub, puas yog ib txwm teb qeeb dua li cov apps hauv ib txwm? Hauv luv: Tej zaum yuav muaj qee qhov sib txawv me me hauv kev pom zoo ntawm a haiv app , tab sis muaj lub caij nyoog siab nws yuav tsis muaj teeb meem. React Native converts JavaScript Cheebtsam rau haiv neeg Android thiab iOS no saib. Nws ua li ntawd los ntawm kev siv tus choj tshwj xeeb. Nco ntsoov tias React Native tso cai rau kev sib xyaw JavaScript nrog haiv neeg code.

Tom qab ntawd, lo lus nug yog, yuav ua li cas kuv thiaj li ua kom cov neeg tuaj yeem sai dua?

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Siv PureComponent lossis yuav tsumComponentUpdate.
Siv tus cwj pwm tseem ceeb ntawm cov npe khoom.
khi thaum ntxov thiab tsis txhob tsim cov haujlwm hauv kev ua haujlwm.
Tsis txhob hloov kho lub xeev lossis xa cov haujlwm hauv componentWillUpdate.
Siv VirtualizedList, FlatList thiab SectionList rau cov ntaub ntawv loj.

Yuav ntsuas qhov ua tau zoo npaum li cas?

Feem ntau txoj kev mus ntsuas kev ua tau zoo hauv React Native apps yog siv ib tug built-in Kev ua tau zoo Saib xyuas. Koj tuaj yeem qhib nws los ntawm cov ntawv qhia debug hauv koj lub simulator los ntawm txhaj rau Perf Monitor. Nws yuav tshwm sim hauv koj lub app dhau qhov screen tam sim no qhib.

Pom zoo:

Cov ncuav qab zib yog dab tsi tham txog lub luag haujlwm ntawm ncuav qab zib hauv kev sib ntsib taug qab?

Cov ncuav qab zib yog cov thev naus laus zis feem ntau siv rau kev sib ntsib taug qab. Cov ncuav qab zib yog ib khub tseem ceeb ntawm cov ntaub ntawv, xa los ntawm tus neeg rau zaub mov mus rau qhov browser. Thaum twg tus browser xa ib daim ntawv thov mus rau lub server nws xa cov ncuav qab zib nrog rau nws. Tom qab ntawd tus neeg rau zaub mov tuaj yeem txheeb xyuas tus neeg siv khoom siv lub ncuav qab zib

Puas yog Redux siv nrog cov neeg mob ntshav qab zib?

Redux yog lub xeev tswj tsev qiv ntawv, thiab feem ntau siv nrog React Native kom yooj yim cov ntaub ntawv ntws hauv ib qho app. Koj yuav siv daim ntawv thov Todo List uas twb muaj lawm uas khaws cov npe todos hauv lub xeev hauv zos, thiab txav cov ntaub ntawv mus rau Redux. Yog tias koj tsis paub React Native, saib peb React Native intro chav kawm ntawm no

Vim li cas cov kws saib xyuas neeg mob xav tau cov ntaub ntawv pov thawj raws li kev coj ua?

EBP ua rau cov kws saib xyuas neeg mob soj ntsuam kev tshawb fawb kom lawv nkag siab txog qhov txaus ntshai lossis kev ua tau zoo ntawm kev kuaj mob lossis kev kho mob. Daim ntawv thov EBP ua rau cov kws saib xyuas neeg mob suav nrog cov neeg mob hauv lawv txoj kev npaj saib xyuas

Cov ncuav qab zib puas tuaj yeem siv rau kev lees paub tus neeg siv?

Cookie-based authentication tau ua lub neej ntawd, sim-thiab-tseeb txoj hauv kev los tuav tus neeg siv kev lees paub rau lub sijhawm ntev. Cookie-based authentication yog muaj tseeb. Qhov no txhais tau hais tias cov ntaub ntawv pov thawj lossis kev sib kho yuav tsum khaws cia ob qho tib si server thiab tus neeg siv khoom sab