{"id":50110,"date":"2023-12-17T06:19:09","date_gmt":"2023-12-17T06:19:09","guid":{"rendered":"https:\/\/masterskills.org\/blog\/top-cau-hoi-phong-van-react-native-thuong-gap-va-cach-tra-loi-an-diem.html"},"modified":"2023-12-17T06:19:09","modified_gmt":"2023-12-17T06:19:09","slug":"top-cau-hoi-phong-van-react-native-thuong-gap-va-cach-tra-loi-an-diem","status":"publish","type":"post","link":"https:\/\/masterskills.org\/blog\/top-cau-hoi-phong-van-react-native-thuong-gap-va-cach-tra-loi-an-diem.html","title":{"rendered":"Top C\u00e2u H\u1ecfi Ph\u1ecfng V\u1ea5n React Native Th\u01b0\u1eddng G\u1eb7p V\u00e0 C\u00e1ch Tr\u1ea3 L\u1eddi \u201c\u0102n \u0110i\u1ec3m\u201d"},"content":{"rendered":"
\n

L\u1eadp tr\u00ecnh vi\u00ean react native l\u00e0 m\u1ed9t trong nh\u1eefng ngh\u1ec1 nghi\u1ec7p h\u1ebft s\u1ee9c h\u1ea5p d\u1eabn hi\u1ec7n nay v\u1edbi c\u01a1 h\u1ed9i vi\u1ec7c l\u00e0m l\u1edbn, m\u1ee9c l\u01b0\u01a1ng cao, v.v. \u0110\u1ec3 b\u1eaft \u0111\u1ea7u s\u1ef1 nghi\u1ec7p m\u1ed9t react native developer th\u1ef1c th\u1ee5, b\u1ea1n c\u1ea7n v\u01b0\u1ee3t qua c\u00e1c v\u00f2ng tuy\u1ec3n ch\u1ecdn c\u1ee7a doanh nghi\u1ec7p, trong \u0111\u00f3 v\u00f2ng ph\u1ecfng v\u1ea5n l\u00e0 v\u00f2ng \u0111\u01b0\u1ee3c nhi\u1ec1u \u1ee9ng vi\u00ean lo ng\u1ea1i nh\u1ea5t. Trong b\u00e0i vi\u1ebft d\u01b0\u1edbi \u0111\u00e2y, Masterskills s\u1ebd chia s\u1ebb \u0111\u1ebfn b\u1ea1n top c\u00e1c c\u00e2u h\u1ecfi ph\u1ecfng v\u1ea5n react native<\/strong> ph\u1ed5 bi\u1ebfn, c\u0169ng nh\u01b0 c\u00e1ch tr\u1ea3 l\u1eddi ghi \u0111i\u1ec3m.<\/p>\n

C\u00e2u h\u1ecfi ph\u1ecfng v\u1ea5n react native th\u01b0\u1eddng g\u1eb7p v\u00e0 c\u00e1ch tr\u1ea3 l\u1eddi<\/strong><\/h2>\n

D\u01b0\u1edbi \u0111\u00e2y l\u00e0 m\u1ed9t v\u00e0i c\u00e2u h\u1ecfi ph\u1ecfng v\u1ea5n v\u1ec1 react native th\u01b0\u1eddng g\u1eb7p v\u00e0 g\u1ee3i \u00fd c\u00e1ch tr\u1ea3 l\u1eddi sao cho hi\u1ec7u qu\u1ea3 m\u00e0 Masterskills mu\u1ed1n g\u1eedi \u0111\u1ebfn b\u1ea1n.<\/p>\n

React native l\u00e0 m\u1ed9t \u1ee9ng d\u1ee5ng mobile native?<\/strong><\/h3>\n

\u0110\u00fang v\u1eady, m\u1ed9t \u1ee9ng d\u1ee5ng react native l\u00e0 m\u1ed9t \u1ee9ng d\u1ee5ng mobile native.\u00a0<\/p>\n

V\u1edbi react native b\u1ea1n s\u1ebd kh\u00f4ng c\u1ea7n ph\u1ea3i t\u1ea1o m\u1ed9t mobile web app hay m\u1ed9t HTML5 app. B\u1ea1n c\u00f3 th\u1ec3 x\u00e2y d\u1ef1ng ra m\u1ed9t \u1ee9ng d\u1ee5ng m\u00e0 kh\u00f3 c\u00f3 th\u1ec3 ph\u00e2n bi\u1ec7t c\u00e1c \u1ee9ng d\u1ee5ng \u0111\u01b0\u1ee3c x\u00e2y d\u1ef1ng b\u1eb1ng react native hay Objective \u2013 C hay Java.<\/p>\n

React native c\u00f3 c\u00e1c kh\u1ed1i giao di\u1ec7n t\u01b0\u01a1ng t\u1ef1 nh\u01b0 c\u00e1c \u1ee9ng d\u1ee5ng c\u1ee7a iOS v\u00e0 Android.<\/p>\n

Trong React native c\u00f3 bao nhi\u00eau threads ch\u1ea1y?<\/strong><\/h3>\n

Trong react native c\u00f3 hai thread ch\u1ea1y l\u00e0 Javascript thread v\u00e0 main UI thread.<\/p>\n

Javascript thread ch\u1ea1y trong m\u1ed9t thread ri\u00eang m\u00e0 kh\u00f4ng c\u00f9ng v\u1edbi main UI thread. Khi \u1ee9ng d\u1ee5ng ch\u1ea1y m\u1ed9t logic ph\u1ee9c t\u1ea1p, UI v\u1eabn ch\u1ea1y m\u01b0\u1ee3t m\u00e0 ngay c\u1ea3 khi ch\u00fang animating hay scrolling. Nguy\u00ean nh\u00e2n l\u00e0 do UI kh\u00f4ng b\u1ecb block b\u1edfi javascript thread.<\/p>\n

\"nh\u1eefng
Tuy\u1ec3n t\u1eadp nh\u1eefng c\u00e2u h\u1ecfi ph\u1ecfng v\u1ea5n react native ph\u1ed5 bi\u1ebfn.<\/figcaption><\/figure>\n

B\u1ea1n hi\u1ec3u keys l\u00e0 g\u00ec? T\u1ea7m quan tr\u1ecdng c\u1ee7a n\u00f3 nh\u01b0 th\u1ebf n\u00e0o?<\/strong><\/h3>\n

Keys \u0111\u00f3ng nhi\u1ec7m v\u1ee5 th\u00f4ng b\u00e1o cho React bi\u1ebft nh\u1eefng item n\u00e0o \u0111\u01b0\u1ee3c thay \u0111\u1ed5i, th\u00eam v\u00e0o ho\u1eb7c \u0111\u01b0\u1ee3c x\u00f3a \u0111i kh\u1ecfi list.<\/p>\n

Virtual DOM ho\u1ea1t \u0111\u1ed9ng nh\u01b0 th\u1ebf n\u00e0o trong React native?<\/strong><\/h3>\n

React native t\u1ea1o m\u1ed9t b\u1ed9 nh\u1eefng \u0111\u1ec7m d\u1eef li\u1ec7u trong b\u1ed9 nh\u1edb v\u00e0 t\u00ednh to\u00e1n ra c\u00e1c k\u1ebft qu\u1ea3 kh\u00e1c nhau cho ph\u00e9p DOM hi\u1ec3n th\u1ecb m\u1ed9t c\u00e1ch hi\u1ec7u qu\u1ea3. Khi \u0111\u00f3, c\u00e1c l\u1eadp tr\u00ecnh vi\u00ean code nh\u01b0 to\u00e0n b\u1ed9 trang \u0111\u01b0\u1ee3c render trong m\u1ed7i l\u1ea7n thay \u0111\u1ed5i, tr\u00ean th\u1ef1c t\u1ebf ch\u1ec9 c\u00f3 c\u00e1c components thay \u0111\u1ed5i \u0111\u01b0\u1ee3c render.<\/p>\n

Vai tr\u00f2 c\u1ee7a StyleSheet.create l\u00e0 g\u00ec?<\/strong><\/h3>\n

StyleSheet.create gi\u00fap \u0111\u1ea3m b\u1ea3o c\u00e1c gi\u00e1 tr\u1ecb kh\u00f4ng th\u1ec3 nh\u00ecn th\u1ea5y v\u00e0 gi\u1eef c\u1ed1 \u0111\u1ecbnh. N\u00f3 c\u0169ng ch\u1ec9 \u0111\u01b0\u1ee3c t\u1ea1o ra duy nh\u1ea5t 1 l\u1ea7n.<\/p>\n

Khi n\u00e0o n\u00ean d\u00f9ng 1 class component thay v\u00ec 1 functional component?<\/strong><\/h3>\n

N\u00ean d\u00f9ng m\u1ed9t class component khi component c\u00f3 state ho\u1eb7c lifecycle method, trong tr\u01b0\u1eddng h\u1ee3p ng\u01b0\u1ee3c l\u1ea1i b\u1ea1n d\u00f9ng m\u1ed9t function component.<\/p>\n

\"c\u00e1c
C\u00e1ch tr\u1ea3 l\u1eddi c\u00e1c c\u00e2u h\u1ecfi ph\u1ecfng v\u1ea5n react native.<\/figcaption><\/figure>\n

\u0110i\u1ec3m kh\u00e1c nhau gi\u1eefa react v\u00e0 react native?<\/strong><\/h3>\n

ReactJs l\u00e0 m\u1ed9t th\u01b0 vi\u1ec7n javascript d\u00f9ng \u0111\u1ec3 ph\u00e1t tri\u1ec3n \u1ee9ng d\u1ee5ng trong HTML s\u1eed d\u1ee5ng JS.<\/p>\n

Trong khi \u0111\u00f3, react native d\u00f9ng \u0111\u1ec3 ph\u00e1t tri\u1ec3n \u1ee9ng d\u1ee5ng mobile s\u1eed d\u1ee5ng javascript.<\/p>\n

H\u00e3y k\u1ec3 t\u00ean 1 v\u00e0i core component c\u1ee7a react native?<\/strong><\/h3>\n

M\u1ed9t v\u00e0i core component c\u1ee7a react native c\u00f3 th\u1ec3 k\u1ec3 \u0111\u1ebfn nh\u01b0: Image, View, Text, ListView, TextInput, v.v.<\/p>\n

Refs l\u00e0 g\u00ec? Vai tr\u00f2 c\u1ee7a n\u00f3 nh\u01b0 th\u1ebf n\u00e0o?<\/strong><\/h3>\n

Refs \u0111\u01b0\u1ee3c d\u00f9ng \u0111\u1ec3 tham chi\u1ebfu \u0111\u1ebfn m\u1ed9t node DOM ho\u1eb7c c\u0169ng c\u00f3 th\u1ec3 l\u00e0 m\u1ed9t th\u1ec3 hi\u1ec7n c\u1ee7a m\u1ed9t component. Khi \u0111\u00f3, refs s\u1ebd return v\u1ec1 m\u1ed9t node m\u00e0 b\u1ea1n tham chi\u1ebfu t\u1edbi.<\/p>\n

State l\u00e0 g\u00ec?<\/strong><\/h3>\n

Trong ti\u1ebfng Anh, ch\u00fang ta c\u00f3 state of a being \u0111\u1ec3 di\u1ec5n t\u1ea3 t\u00ecnh tr\u1ea1ng thay \u0111\u1ed5i th\u1ec3 ch\u1ea5t c\u1ee7a m\u1ed9t ai \u0111\u00f3. Trong React native, state trong c\u00e1c component \u0111\u01b0\u1ee3c d\u00f9ng \u0111\u1ec3 theo d\u00f5i th\u00f4ng tin.\u00a0<\/p>\n

C\u00e1c c\u00e2u h\u1ecfi ph\u1ecfng v\u1ea5n react native kh\u00e1c<\/strong><\/h2>\n

Ngo\u00e0i ra, b\u1ea1n c\u0169ng c\u00f3 th\u1ec3 g\u1eb7p m\u1ed9t s\u1ed1 c\u00e2u h\u1ecfi kh\u00e1c nh\u01b0:<\/p>\n

    \n
  • Size c\u1ee7a component \u0111\u01b0\u1ee3c x\u00e1c \u0111\u1ecbnh nh\u01b0 th\u1ebf n\u00e0o?<\/li>\n
  • Component \u0111\u01b0\u1ee3c \u0111i\u1ec1u khi\u1ec3n b\u1edfi lo\u1ea1i d\u1eef li\u1ec7u n\u00e0o?<\/li>\n
  • C\u00e1ch lo\u1ea1i b\u1ecf keyboard trong react native?<\/li>\n
  • Native app c\u00f3 nh\u1eefng \u01b0u \u0111i\u1ec3m g\u00ec so v\u1edbi hybrid app?<\/li>\n
  • C\u00f3 nh\u1eefng t\u00f9y ch\u1ecdn l\u01b0u tr\u1eef n\u00e0o trong react native?<\/li>\n
  • JXS l\u00e0 g\u00ec?<\/li>\n
  • Pros trong react natve l\u00e0 g\u00ec? Kh\u00e1c g\u00ec v\u1edbi state?<\/li>\n<\/ul>\n
    \n
    \"c\u00e2u
    C\u00e1c c\u00e2u h\u1ecfi ph\u1ecfng v\u1ea5n react native kh\u00e1c.<\/figcaption><\/figure>\n<\/div>\n

    Nh\u1eefng l\u01b0u \u00fd khi tham gia ph\u1ecfng v\u1ea5n v\u1ecb tr\u00ed react native<\/strong><\/h2>\n

    Khi tham gia ph\u1ecfng v\u1ea5n v\u1ecb tr\u00ed react native b\u1ea1n c\u1ea7n l\u01b0u \u00fd m\u1ed9t s\u1ed1 \u0111i\u1ec3m sau \u0111\u1ec3 t\u0103ng kh\u1ea3 n\u0103ng tr\u00fang tuy\u1ec3n.\u00a0<\/p>\n

      \n
    • Hi\u1ec3u b\u1ea3n ch\u1ea5t c\u1ee7a state v\u00e0 props, lifecycle, s\u1ef1 kh\u00e1c nhau gi\u1eefa stateless v\u00e0 stateful<\/li>\n
    • Th\u00e0nh th\u1ea1o vi\u1ec7c thao t\u00e1c v\u1edbi Rest API<\/li>\n
    • Th\u00e0nh th\u1ea1o c\u00e1c thao t\u00e1c v\u1edbi m\u1ea3ng v\u00e0 object ph\u1ea3i bi\u1ebft map<\/li>\n
    • \u0110\u00e3 s\u1eed d\u1ee5ng qua m\u1ed9t s\u1ed1 lib nh\u01b0 RN Maps, react navigation, v.v<\/li>\n
    • M\u1ed9t l\u1ee3i th\u1ebf l\u1edbn n\u1ebfu b\u1ea1n bi\u1ebft l\u00e0m animation, s\u1eed d\u1ee5ng redux, l\u1eadp tr\u00ecnh native, bi\u1ebft v\u1ec1 await\/async<\/li>\n
    • B\u00ean c\u1ea1nh ki\u1ebfn th\u1ee9c v\u00e0 k\u1ef9 n\u0103ng chuy\u00ean m\u00f4n, \u0111\u1ec3 m\u1ed9t bu\u1ed5i ph\u1ecfng v\u1ea5n ho\u00e0n h\u1ea3o b\u1ea1n c\u1ea7n: \u0111\u1ebfn s\u1edbm tr\u01b0\u1edbc bu\u1ed5i ph\u1ecfng v\u1ea5n t\u1ea7m 15 ph\u00fat, trang ph\u1ee5c g\u1ecdn g\u00e0ng l\u1ecbch s\u1ef1, gi\u1eef th\u00e1i \u0111\u1ed9 chuy\u00ean nghi\u1ec7p v\u00e0 ni\u1ec1m n\u1edf trong su\u1ed1t bu\u1ed5i ph\u1ecfng v\u1ea5n, \u0111\u1eb7t c\u00e2u h\u1ecfi l\u00e0m r\u00f5 c\u00e1c v\u1ea5n \u0111\u1ec1 nh\u00e0 tuy\u1ec3n d\u1ee5ng \u0111\u01b0a ra n\u1ebfu ch\u01b0a r\u00f5 \u0111\u1ec3 c\u00f3 m\u1ed9t c\u00e2u tr\u1ea3 l\u1eddi hi\u1ec7u qu\u1ea3 nh\u1ea5t.<\/li>\n<\/ul>\n

      T\u1ea1m k\u1ebft<\/strong><\/h2>\n

      Tr\u00ean \u0111\u00e2y l\u00e0 nh\u1eefng chia s\u1ebb v\u1ec1 nh\u1eefng c\u00e2u h\u1ecfi ph\u1ecfng v\u1ea5n react native<\/strong> v\u00e0 g\u1ee3i \u00fd c\u00e1ch tr\u1ea3 l\u1eddi hi\u1ec7u qu\u1ea3 m\u00e0 Masterskills mu\u1ed1n g\u1eedi \u0111\u1ebfn b\u1ea1n. Hy v\u1ecdng r\u1eb1ng qua b\u00e0i vi\u1ebft tr\u00ean, b\u1ea1n \u0111\u00e3 c\u00f3 th\u1ec3 t\u1ef1 tin chinh ph\u1ee5c c\u00e1c c\u00e2u h\u1ecfi kh\u00f3 nh\u1eb1n c\u1ee7a nh\u00e0 tuy\u1ec3n d\u1ee5ng.<\/p>\n

      N\u1ebfu b\u1ea1n c\u00f2n b\u1ea5t k\u1ef3 c\u00e2u h\u1ecfi hay th\u1eafc m\u1eafc n\u00e0o v\u1ec1 ch\u1ee7 \u0111\u1ec1 n\u00e0y, \u0111\u1eebng ng\u1ea7n ng\u1ea1i \u0111\u1ec3 l\u1ea1i b\u00ecnh lu\u1eadn \u0111\u1ec3 \u0111\u01b0\u1ee3c Masterskills h\u1ed7 tr\u1ee3 gi\u1ea3i \u0111\u00e1p chi ti\u1ebft nh\u00e9.<\/p>\n<\/div>\n","protected":false},"excerpt":{"rendered":"

      L\u1eadp tr\u00ecnh vi\u00ean react native l\u00e0 m\u1ed9t trong nh\u1eefng ngh\u1ec1 nghi\u1ec7p h\u1ebft s\u1ee9c h\u1ea5p d\u1eabn hi\u1ec7n nay v\u1edbi c\u01a1 h\u1ed9i vi\u1ec7c l\u00e0m l\u1edbn, m\u1ee9c l\u01b0\u01a1ng cao, v.v. \u0110\u1ec3 b\u1eaft \u0111\u1ea7u s\u1ef1 nghi\u1ec7p m\u1ed9t react native developer th\u1ef1c th\u1ee5, b\u1ea1n c\u1ea7n v\u01b0\u1ee3t qua c\u00e1c v\u00f2ng tuy\u1ec3n ch\u1ecdn c\u1ee7a doanh nghi\u1ec7p, trong \u0111\u00f3 v\u00f2ng ph\u1ecfng v\u1ea5n l\u00e0 […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[181],"tags":[],"_links":{"self":[{"href":"https:\/\/masterskills.org\/blog\/wp-json\/wp\/v2\/posts\/50110"}],"collection":[{"href":"https:\/\/masterskills.org\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/masterskills.org\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/masterskills.org\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/masterskills.org\/blog\/wp-json\/wp\/v2\/comments?post=50110"}],"version-history":[{"count":0,"href":"https:\/\/masterskills.org\/blog\/wp-json\/wp\/v2\/posts\/50110\/revisions"}],"wp:attachment":[{"href":"https:\/\/masterskills.org\/blog\/wp-json\/wp\/v2\/media?parent=50110"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/masterskills.org\/blog\/wp-json\/wp\/v2\/categories?post=50110"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/masterskills.org\/blog\/wp-json\/wp\/v2\/tags?post=50110"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}