{"id":50114,"date":"2023-12-17T06:19:41","date_gmt":"2023-12-17T06:19:41","guid":{"rendered":"https:\/\/masterskills.org\/blog\/15-cau-hoi-phong-van-flutter-thuong-gap-2023.html"},"modified":"2023-12-17T06:19:41","modified_gmt":"2023-12-17T06:19:41","slug":"15-cau-hoi-phong-van-flutter-thuong-gap-2023","status":"publish","type":"post","link":"https:\/\/masterskills.org\/blog\/15-cau-hoi-phong-van-flutter-thuong-gap-2023.html","title":{"rendered":"15 C\u00e2u H\u1ecfi Ph\u1ecfng V\u1ea5n Flutter Th\u01b0\u1eddng G\u1eb7p"},"content":{"rendered":"
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Flutter l\u00e0 m\u1ed9t khung giao di\u1ec7n ng\u01b0\u1eddi d\u00f9ng m\u00e3 ngu\u1ed3n m\u1edf ph\u1ed5 bi\u1ebfn \u0111\u01b0\u1ee3c ph\u00e1t tri\u1ec3n b\u1edfi Google. N\u00f3 cho ph\u00e9p c\u00e1c nh\u00e0 ph\u00e1t tri\u1ec3n x\u00e2y d\u1ef1ng c\u00e1c \u1ee9ng d\u1ee5ng \u0111a n\u1ec1n t\u1ea3ng v\u1edbi m\u1ed9t c\u01a1 s\u1edf m\u00e3 duy nh\u1ea5t s\u1eed d\u1ee5ng ng\u00f4n ng\u1eef l\u1eadp tr\u00ecnh Dart. Cho d\u00f9 b\u1ea1n l\u00e0 m\u1ed9t ng\u01b0\u1eddi m\u1edbi b\u1eaft \u0111\u1ea7u s\u1ef1 nghi\u1ec7p hay m\u1ed9t nh\u00e0 ph\u00e1t tri\u1ec3n c\u00f3 kinh nghi\u1ec7m, th\u00ec vi\u1ec7c chu\u1ea9n b\u1ecb cho c\u00e1c c\u00e2u h\u1ecfi ph\u1ecfng v\u1ea5n Flutter<\/strong> l\u00e0 \u0111i\u1ec1u c\u1ea7n thi\u1ebft. Trong b\u00e0i vi\u1ebft n\u00e0y, Masterskills s\u1ebd \u0111\u1ec1 c\u1eadp \u0111\u1ebfn 15 c\u00e2u h\u1ecfi ph\u1ecfng v\u1ea5n Flutter ph\u1ed5 bi\u1ebfn nh\u1ea5t v\u00e0 cung c\u1ea5p c\u00e1c g\u1ee3i \u00fd tr\u1ea3 l\u1eddi c\u00f3 th\u1ec3 gi\u00fap b\u1ea1n d\u1ec5 d\u00e0ng v\u01b0\u1ee3t qua cu\u1ed9c ph\u1ecfng v\u1ea5n c\u1ee7a m\u00ecnh.<\/p>\n

C\u00e2u h\u1ecfi ph\u1ecfng v\u1ea5n Flutter d\u00e0nh cho Fresher\u00a0<\/strong><\/h2>\n

1. Flutter l\u00e0 g\u00ec?\u00a0<\/strong><\/h3>\n

\u0110\u00e2y l\u00e0 c\u00e2u h\u1ecfi ph\u1ecfng v\u1ea5n Flutter<\/strong> ph\u1ed5 bi\u1ebfn nh\u1ea5t. Flutter l\u00e0 m\u1ed9t c\u00f4ng c\u1ee5 d\u1ef1a tr\u00ean giao di\u1ec7n ng\u01b0\u1eddi d\u00f9ng \u0111\u1ec3 t\u1ea1o c\u00e1c \u1ee9ng d\u1ee5ng di \u0111\u1ed9ng. B\u1ea1n c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng Flutter \u0111\u1ec3 t\u1ea1o c\u00e1c \u1ee9ng d\u1ee5ng di \u0111\u1ed9ng \u0111\u01b0\u1ee3c bi\u00ean d\u1ecbch nguy\u00ean g\u1ed1c b\u1eb1ng m\u1ed9t ng\u00f4n ng\u1eef l\u1eadp tr\u00ecnh v\u00e0 m\u1ed9t c\u01a1 s\u1edf m\u00e3 duy nh\u1ea5t.\u00a0<\/p>\n

C\u00e1c \u1ee9ng d\u1ee5ng di \u0111\u1ed9ng nhanh v\u00e0 \u0111\u1eb9p m\u1eaft c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c ph\u00e1t tri\u1ec3n v\u1edbi b\u1ed9 k\u1ef9 n\u0103ng ph\u00f9 h\u1ee3p \u0111\u1ec3 vi\u1ebft m\u00e3 trong Flutter. Google \u0111\u00e3 ph\u00e1t tri\u1ec3n khung v\u00e0 m\u00e3 l\u00e0 ngu\u1ed3n m\u1edf. B\u1ea3n th\u00e2n Flutter kh\u00f4ng ph\u1ea3i l\u00e0 m\u1ed9t ng\u00f4n ng\u1eef v\u00e0 n\u00f3 s\u1eed d\u1ee5ng ng\u00f4n ng\u1eef Dart \u0111\u1ec3 vi\u1ebft code. Flutter c\u00f3 th\u1ec3 d\u00f9ng \u0111\u1ec3 code cho c\u1ea3 IOS v\u00e0 Android v\u00e0 t\u1ed1i \u01b0u h\u00f3a t\u1ed1t nh\u1ea5t cho c\u00e1c \u1ee9ng d\u1ee5ng di \u0111\u1ed9ng 2D.<\/p>\n

2. Dart l\u00e0 g\u00ec?\u00a0<\/strong><\/h3>\n

Dart l\u00e0 ng\u00f4n ng\u1eef l\u1eadp tr\u00ecnh \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 ph\u00e1t tri\u1ec3n c\u00e1c \u1ee9ng d\u1ee5ng Flutter. N\u00f3 l\u00e0 m\u1ed9t ng\u00f4n ng\u1eef d\u1ef1a tr\u00ean l\u1edbp, h\u01b0\u1edbng \u0111\u1ed1i t\u01b0\u1ee3ng v\u1edbi c\u00fa ph\u00e1p t\u01b0\u01a1ng t\u1ef1 nh\u01b0 c\u00e1c ng\u00f4n ng\u1eef l\u1eadp tr\u00ecnh kh\u00e1c nh\u01b0 Java v\u00e0 JavaScript. Dart \u0111\u01b0\u1ee3c t\u1ed1i \u01b0u h\u00f3a \u0111\u1ec3 x\u00e2y d\u1ef1ng giao di\u1ec7n ng\u01b0\u1eddi d\u00f9ng v\u00e0 ho\u1ea1t \u0111\u1ed9ng tr\u01a1n tru v\u1edbi Flutter.<\/p>\n

3. L\u1ee3i th\u1ebf c\u1ee7a vi\u1ec7c s\u1eed d\u1ee5ng Flutter l\u00e0 g\u00ec?\u00a0<\/strong><\/h3>\n

Flutter c\u00f3 nhi\u1ec1u l\u1ee3i th\u1ebf kh\u00e1c nhau \u0111\u1ec3 m\u00e3 h\u00f3a \u1ee9ng d\u1ee5ng d\u00e0nh cho thi\u1ebft b\u1ecb di \u0111\u1ed9ng, c\u1ee5 th\u1ec3:<\/p>\n

    \n
  • Gi\u1ea3m l\u01b0\u1ee3ng m\u00e3: T\u00ednh n\u0103ng Hot reload do Flutter cung c\u1ea5p gi\u00fap mang l\u1ea1i hi\u1ec7u su\u1ea5t nhanh h\u01a1n. \u1ee8ng d\u1ee5ng \u0111\u01b0\u1ee3c m\u00e3 h\u00f3a b\u1eb1ng m\u00e3 C\/C++ \u0111\u1ec3 l\u00e0m cho n\u00f3 g\u1ea7n v\u1edbi m\u00e3 m\u00e1y nh\u1ea5t c\u00f3 th\u1ec3 gi\u00fap ph\u00e1t tri\u1ec3n \u1ee9ng d\u1ee5ng nhanh h\u01a1n. T\u00ednh kh\u1ea3 d\u1ee5ng c\u1ee7a ti\u1ec7n \u00edch trong Flutter gi\u00fap gi\u1ea3m th\u1eddi gian vi\u1ebft m\u00e3 v\u00e0 s\u1eed d\u1ee5ng m\u00e3 c\u00f3 th\u1ec3 t\u00e1i s\u1eed d\u1ee5ng.<\/li>\n
  • Ph\u00e1t tri\u1ec3n \u0111a n\u1ec1n t\u1ea3ng: M\u00e3 rung c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng tr\u00ean nhi\u1ec1u n\u1ec1n t\u1ea3ng \u0111\u1ec3 gi\u1ea3m b\u1edbt n\u1ed7 l\u1ef1c cho ph\u00eda nh\u00f3m ph\u00e1t tri\u1ec3n.<\/li>\n
  • T\u1ea3i l\u1ea1i tr\u1ef1c ti\u1ebfp gi\u00fap vi\u1ebft m\u00e3 nhanh h\u01a1n v\u00e0 d\u1ec5 d\u00e0ng h\u01a1n. M\u00e3 c\u00f3 th\u1ec3 d\u1ec5 d\u00e0ng s\u1eeda \u0111\u1ed5i khi thay \u0111\u1ed5i \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n.<\/li>\n
  • Ho\u1ea1t \u0111\u1ed9ng nh\u01b0 m\u1ed9t \u1ee9ng d\u1ee5ng g\u1ed1c: M\u00e3 rung c\u00e0ng g\u1ea7n v\u1edbi m\u00e3 m\u00e1y c\u00e0ng t\u1ed1t. \u0110i\u1ec1u n\u00e0y l\u00e0m gi\u1ea3m c\u00e1c l\u1ed7i do gi\u1ea3i th\u00edch m\u00e3. \u1ee8ng d\u1ee5ng ho\u1ea1t \u0111\u1ed9ng trong m\u00f4i tr\u01b0\u1eddng g\u1ed1c v\u00e0 c\u00e1c \u1ee9ng d\u1ee5ng \u0111\u01b0\u1ee3c m\u00e3 h\u00f3a r\u1ea5t nhanh v\u00e0 d\u1ec5 s\u1eed d\u1ee5ng.<\/li>\n
  • C\u1ed9ng \u0111\u1ed3ng: Flutter c\u00f3 m\u1ed9t c\u1ed9ng \u0111\u1ed3ng ng\u01b0\u1eddi d\u00f9ng l\u1edbn c\u00f3 th\u1ec3 gi\u00fap b\u1ea1n gi\u1ea3i \u0111\u00e1p nh\u1eefng th\u1eafc m\u1eafc trong qu\u00e1 tr\u00ecnh s\u1eed d\u1ee5ng.<\/li>\n
  • M\u00e3 t\u1ed1i thi\u1ec3u: \u1ee8ng d\u1ee5ng Flutter \u0111\u01b0\u1ee3c m\u00e3 h\u00f3a b\u1eb1ng ng\u00f4n ng\u1eef l\u1eadp tr\u00ecnh Dart. \u0110i\u1ec1u n\u00e0y l\u00e0m t\u0103ng t\u1ed1c \u0111\u1ed9 ph\u00e1t tri\u1ec3n v\u00e0 giao di\u1ec7n ng\u01b0\u1eddi d\u00f9ng. Dart s\u1eed d\u1ee5ng tr\u00ecnh bi\u00ean d\u1ecbch JIT v\u00e0 AOT r\u1ea5t nhanh.<\/li>\n
  • T\u00e0i li\u1ec7u nhanh h\u01a1n: Flutter c\u00f3 t\u00e0i li\u1ec7u nhanh v\u00e0 \u0111\u01b0\u1ee3c t\u1ed5 ch\u1ee9c t\u1ed1t. Kho l\u01b0u tr\u1eef trung t\u00e2m l\u01b0u tr\u1eef c\u00e1c t\u00e0i li\u1ec7u \u0111\u1ec3 tham kh\u1ea3o trong t\u01b0\u01a1ng lai.<\/li>\n
  • Thi\u1ebft k\u1ebf t\u00f9y ch\u1ec9nh: Ki\u1ebfn tr\u00fac l\u1edbp t\u00f9y ch\u1ec9nh cho ph\u00e9p t\u00f9y ch\u1ec9nh c\u00e1c thi\u1ebft k\u1ebf gi\u00fap ch\u00fang hi\u1ec3n th\u1ecb nhanh h\u01a1n trong giao di\u1ec7n ng\u01b0\u1eddi d\u00f9ng.<\/li>\n<\/ul>\n

    4. H\u1ea1n ch\u1ebf c\u1ee7a Flutter l\u00e0 g\u00ec?<\/strong><\/h3>\n

    \u0110\u00e2y c\u0169ng l\u00e0 m\u1ed9t c\u00e2u h\u1ecfi ph\u1ecfng v\u1ea5n Flutter ph\u1ed5 bi\u1ebfn d\u00e0nh cho Fresher. M\u1eb7c d\u00f9 Flutter mang l\u1ea1i nhi\u1ec1u \u01b0u \u0111i\u1ec3m nh\u01b0ng n\u00f3 c\u0169ng c\u00f3 m\u1ed9t s\u1ed1 h\u1ea1n ch\u1ebf nh\u1ea5t \u0111\u1ecbnh:<\/p>\n

      \n
    • K\u00edch th\u01b0\u1edbc \u1ee9ng d\u1ee5ng l\u1edbn: \u1ee8ng d\u1ee5ng Flutter c\u00f3 k\u00edch th\u01b0\u1edbc t\u1ec7p l\u1edbn h\u01a1n so v\u1edbi \u1ee9ng d\u1ee5ng g\u1ed1c do bao g\u1ed3m nhi\u1ec1u c\u00f4ng c\u1ee5 v\u00e0 khung Flutter.<\/li>\n
    • Th\u01b0 vi\u1ec7n c\u1ee7a b\u00ean th\u1ee9 ba h\u1ea1n ch\u1ebf: M\u1eb7c d\u00f9 Flutter c\u00f3 m\u1ed9t h\u1ec7 sinh th\u00e1i c\u00e1c g\u00f3i v\u00e0 th\u01b0 vi\u1ec7n \u0111ang ph\u00e1t tri\u1ec3n, nh\u01b0ng n\u00f3 c\u00f3 th\u1ec3 c\u00f3 \u00edt t\u00f9y ch\u1ecdn h\u01a1n so v\u1edbi c\u00e1c khung l\u00e2u \u0111\u1eddi h\u01a1n nh\u01b0 React Native.<\/li>\n
    • C\u00e1c t\u00ednh n\u0103ng d\u00e0nh ri\u00eang cho n\u1ec1n t\u1ea3ng b\u1ecb h\u1ea1n ch\u1ebf: Flutter c\u00f3 t\u00ednh nh\u1ea5t qu\u00e1n tr\u00ean nhi\u1ec1u n\u1ec1n t\u1ea3ng, c\u00f3 ngh\u0129a l\u00e0 m\u1ed9t s\u1ed1 t\u00ednh n\u0103ng d\u00e0nh ri\u00eang cho n\u1ec1n t\u1ea3ng c\u00f3 th\u1ec3 y\u00eau c\u1ea7u c\u00f4ng vi\u1ec7c b\u1ed5 sung ho\u1eb7c plugin \u0111\u1ec3 tri\u1ec3n khai.<\/li>\n<\/ul>\n

      5. H\u00e3y gi\u1ea3i th\u00edch c\u1ea5u tr\u00fac c\u1ee7a Flutter\u00a0<\/strong><\/h3>\n

      Flutter tu\u00e2n theo m\u1ed9t ki\u1ebfn tr\u00fac c\u00f3 c\u1ea5u tr\u00fac \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 Flutter Widget. C\u00e2y widget bao g\u1ed3m c\u00e1c widget l\u1ed3ng v\u00e0o nhau, t\u1ea1o th\u00e0nh m\u1ed9t h\u1ec7 th\u1ed1ng ph\u00e2n c\u1ea5p. C\u00e1c widget \u0111\u1ea1i di\u1ec7n cho c\u00e1c th\u00e0nh ph\u1ea7n giao di\u1ec7n ng\u01b0\u1eddi d\u00f9ng c\u1ee7a m\u1ed9t \u1ee9ng d\u1ee5ng v\u00e0 c\u1ea5u tr\u00fac c\u00e2y x\u00e1c \u0111\u1ecbnh c\u00e1ch ch\u00fang \u0111\u01b0\u1ee3c s\u1eafp x\u1ebfp v\u00e0 hi\u1ec3n th\u1ecb. Flutter s\u1eed d\u1ee5ng c\u00e1ch ti\u1ebfp c\u1eadn khai b\u00e1o, trong \u0111\u00f3 giao di\u1ec7n ng\u01b0\u1eddi d\u00f9ng \u0111\u01b0\u1ee3c x\u00e2y d\u1ef1ng l\u1ea1i d\u1ef1a tr\u00ean nh\u1eefng thay \u0111\u1ed5i \u0111\u1ed1i v\u1edbi c\u00e2y ti\u1ec7n \u00edch con.<\/p>\n

      6. Li\u1ec7t k\u00ea m\u1ed9t s\u1ed1 t\u00ednh n\u0103ng quan tr\u1ecdng c\u1ee7a Flutter<\/strong><\/h3>\n

      C\u00e2u h\u1ecfi ph\u1ecfng v\u1ea5n Flutter n\u00e0y th\u01b0\u1eddng s\u1ebd xu\u1ea5t hi\u1ec7n \u1edf ph\u1ea7n \u0111\u1ea7u cu\u1ed9c ph\u1ecfng v\u1ea5n. M\u1ed9t s\u1ed1 t\u00ednh n\u0103ng quan tr\u1ecdng c\u1ee7a Flutter bao g\u1ed3m:<\/p>\n

        \n
      • Hot reload: T\u00ednh n\u0103ng Hot reload c\u1ee7a Flutter cho ph\u00e9p c\u00e1c nh\u00e0 ph\u00e1t tri\u1ec3n th\u1ea5y ngay nh\u1eefng thay \u0111\u1ed5i \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n \u0111\u1ed1i v\u1edbi m\u00e3 m\u00e0 kh\u00f4ng c\u1ea7n kh\u1edfi \u0111\u1ed9ng l\u1ea1i \u1ee9ng d\u1ee5ng, cho ph\u00e9p l\u1eb7p l\u1ea1i qu\u00e1 tr\u00ecnh ph\u00e1t tri\u1ec3n nhanh h\u01a1n.<\/li>\n
      • Giao di\u1ec7n ng\u01b0\u1eddi d\u00f9ng d\u1ef1a tr\u00ean ti\u1ec7n \u00edch: Flutter s\u1eed d\u1ee5ng c\u00e1ch ti\u1ebfp c\u1eadn d\u1ef1a tr\u00ean ti\u1ec7n \u00edch, trong \u0111\u00f3 to\u00e0n b\u1ed9 giao di\u1ec7n ng\u01b0\u1eddi d\u00f9ng bao g\u1ed3m c\u00e1c ti\u1ec7n \u00edch kh\u00e1c nhau. \u0110i\u1ec1u n\u00e0y cho ph\u00e9p c\u00e1c th\u00e0nh ph\u1ea7n giao di\u1ec7n ng\u01b0\u1eddi d\u00f9ng \u0111\u01b0\u1ee3c m\u00f4-\u0111un ho\u00e1 v\u00e0 c\u00f3 th\u1ec3 t\u00e1i s\u1eed d\u1ee5ng.<\/li>\n
      • Kh\u1ea3 n\u0103ng t\u00f9y bi\u1ebfn cao: Flutter cung c\u1ea5p c\u00e1c t\u00f9y ch\u1ecdn t\u00f9y bi\u1ebfn r\u1ed9ng r\u00e3i, cho ph\u00e9p c\u00e1c nh\u00e0 ph\u00e1t tri\u1ec3n t\u1ea1o giao di\u1ec7n ng\u01b0\u1eddi d\u00f9ng h\u1ea5p d\u1eabn, tr\u1ef1c quan.<\/li>\n
      • Hi\u1ec7u su\u1ea5t g\u1ed1c: C\u00e1c \u1ee9ng d\u1ee5ng Flutter \u0111\u01b0\u1ee3c bi\u00ean d\u1ecbch th\u00e0nh m\u00e3 g\u1ed1c, mang l\u1ea1i tr\u1ea3i nghi\u1ec7m ng\u01b0\u1eddi d\u00f9ng hi\u1ec7u su\u1ea5t cao.<\/li>\n
      • H\u1ed7 tr\u1ee3 ho\u1ea1t \u1ea3nh phong ph\u00fa: Flutter cung c\u1ea5p API ho\u1ea1t \u1ea3nh m\u1ea1nh m\u1ebd v\u1edbi m\u1ed9t lo\u1ea1t c\u00e1c ho\u1ea1t \u1ea3nh d\u1ef1ng s\u1eb5n, gi\u00fap d\u1ec5 d\u00e0ng t\u1ea1o c\u00e1c giao di\u1ec7n t\u01b0\u01a1ng t\u00e1c, h\u1ea5p d\u1eabn v\u00e0 v\u00f4 c\u00f9ng tr\u1ef1c quan.<\/li>\n<\/ul>\n

        7. K\u1ec3 t\u00ean m\u1ed9t s\u1ed1 tr\u00ecnh so\u1ea1n th\u1ea3o (editor) t\u1ed1t nh\u1ea5t cho Flutter<\/strong><\/h3>\n

        M\u1ed9t s\u1ed1 tr\u00ecnh so\u1ea1n th\u1ea3o (editor) ph\u1ed5 bi\u1ebfn \u0111\u1ec3 ph\u00e1t tri\u1ec3n Flutter l\u00e0:<\/p>\n

          \n
        • Visual Studio Code<\/li>\n
        • Android Studio<\/li>\n
        • IntelliJ IDEA<\/li>\n
        • Emacs<\/li>\n
        • Vim<\/li>\n<\/ul>\n

          C\u00e2u h\u1ecfi ph\u1ecfng v\u1ea5n Flutter d\u00e0nh cho ng\u01b0\u1eddi \u0111\u00e3 c\u00f3 kinh nghi\u1ec7m<\/strong><\/h2>\n

          8. B\u1ea1n hi\u1ec3u th\u1ebf n\u00e0o v\u1ec1 Streams?\u00a0<\/strong><\/h3>\n

          \u0110\u1ed1i v\u1edbi c\u00e1c developer c\u00f3 nhi\u1ec1u kinh nghi\u1ec7m, \u0111\u00e2y l\u00e0 c\u00e2u h\u1ecfi ph\u1ecfng v\u1ea5n Flutter m\u00e0 b\u1ea1n th\u01b0\u1eddng s\u1ebd g\u1eb7p. Streams l\u00e0 m\u1ed9t kh\u00e1i ni\u1ec7m c\u1ed1t l\u00f5i trong Dart v\u00e0 Flutter, \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 x\u1eed l\u00fd d\u1eef li\u1ec7u kh\u00f4ng \u0111\u1ed3ng b\u1ed9. Streams l\u00e0 m\u1ed9t chu\u1ed7i c\u00e1c s\u1ef1 ki\u1ec7n kh\u00f4ng \u0111\u1ed3ng b\u1ed9 c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c l\u1eafng nghe v\u00e0 ph\u00e1t ra c\u00e1c gi\u00e1 tr\u1ecb theo th\u1eddi gian. N\u00f3 cho ph\u00e9p x\u1eed l\u00fd d\u1eef li\u1ec7u kh\u00f4ng \u0111\u1ed3ng b\u1ed9 theo c\u00e1ch ph\u1ea3n \u1ee9ng v\u00f4 c\u00f9ng hi\u1ec7u qu\u1ea3.<\/p>\n

          9. K\u1ec3 t\u00ean c\u00e1c lo\u1ea1i h\u00ecnh kh\u00e1c nhau c\u1ee7a Streams<\/strong><\/h3>\n

          C\u00f3 nhi\u1ec1u lo\u1ea1i Streams kh\u00e1c nhau trong Flutter, bao g\u1ed3m:<\/p>\n

            \n
          • Streams \u0111\u0103ng k\u00fd m\u1ed9t l\u1ea7n: C\u00e1c Streams n\u00e0y ch\u1ec9 ph\u00e1t ra c\u00e1c s\u1ef1 ki\u1ec7n v\u00e0 d\u1eef li\u1ec7u m\u1ed9t l\u1ea7n. Khi m\u1ed9t gi\u00e1 tr\u1ecb \u0111\u01b0\u1ee3c ph\u00e1t ra, lu\u1ed3ng s\u1ebd t\u1ef1 \u0111\u1ed9ng \u0111\u00f3ng l\u1ea1i.<\/li>\n
          • Streams ph\u00e1t s\u00f3ng: Streams ph\u00e1t s\u00f3ng cho ph\u00e9p nhi\u1ec1u ng\u01b0\u1eddi nghe \u0111\u0103ng k\u00fd v\u00e0 nh\u1eadn c\u00e1c s\u1ef1 ki\u1ec7n gi\u1ed1ng nhau \u0111\u1ed3ng th\u1eddi. Ch\u00fang c\u00f3 th\u1ec3 ph\u00e1t ra nhi\u1ec1u gi\u00e1 tr\u1ecb theo th\u1eddi gian.<\/li>\n<\/ul>\n

            10. B\u1ea1n hi\u1ec3u th\u1ebf n\u00e0o v\u1ec1 Flutter SDK?<\/strong><\/h3>\n

            Flutter SDK (B\u1ed9 c\u00f4ng c\u1ee5 ph\u00e1t tri\u1ec3n ph\u1ea7n m\u1ec1m) l\u00e0 t\u1eadp h\u1ee3p c\u00e1c c\u00f4ng c\u1ee5, th\u01b0 vi\u1ec7n v\u00e0 khung \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 ph\u00e1t tri\u1ec3n c\u00e1c \u1ee9ng d\u1ee5ng Flutter. N\u00f3 bao g\u1ed3m khung Flutter, Dart SDK v\u00e0 nhi\u1ec1u c\u00f4ng c\u1ee5 d\u00f2ng l\u1ec7nh kh\u00e1c nhau \u0111\u1ec3 x\u00e2y d\u1ef1ng, th\u1eed nghi\u1ec7m v\u00e0 g\u1ee1 l\u1ed7i c\u00e1c \u1ee9ng d\u1ee5ng Flutter.<\/p>\n

            11. Cho bi\u1ebft s\u1ef1 kh\u00e1c bi\u1ec7t gi\u1eefa Hot Reload v\u00e0 Hot Restart\u00a0<\/strong><\/h3>\n
              \n
            • Hot reload: Hot reload l\u00e0 m\u1ed9t t\u00ednh n\u0103ng m\u1ea1nh m\u1ebd trong Flutter cho ph\u00e9p c\u00e1c nh\u00e0 ph\u00e1t tri\u1ec3n xem c\u00e1c thay \u0111\u1ed5i \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n \u0111\u1ed1i v\u1edbi m\u00e3 ngay l\u1eadp t\u1ee9c m\u00e0 kh\u00f4ng l\u00e0m m\u1ea5t tr\u1ea1ng th\u00e1i hi\u1ec7n t\u1ea1i c\u1ee7a \u1ee9ng d\u1ee5ng. N\u00f3 c\u1eadp nh\u1eadt giao di\u1ec7n ng\u01b0\u1eddi d\u00f9ng trong th\u1eddi gian th\u1ef1c, gi\u00fap qu\u00e1 tr\u00ecnh ph\u00e1t tri\u1ec3n nhanh h\u01a1n v\u00e0 hi\u1ec7u qu\u1ea3 h\u01a1n.<\/li>\n
            • Hot restart: M\u1eb7t kh\u00e1c, Hot restart s\u1ebd kh\u1edfi \u0111\u1ed9ng l\u1ea1i ho\u00e0n to\u00e0n \u1ee9ng d\u1ee5ng Flutter. N\u00f3 lo\u1ea1i b\u1ecf tr\u1ea1ng th\u00e1i \u1ee9ng d\u1ee5ng hi\u1ec7n t\u1ea1i v\u00e0 t\u1ea3i l\u1ea1i to\u00e0n b\u1ed9 \u1ee9ng d\u1ee5ng t\u1eeb \u0111\u1ea7u. Hot restart r\u1ea5t h\u1eefu \u00edch khi c\u00f3 c\u00e1c thay \u0111\u1ed5i \u0111\u1ed1i v\u1edbi ph\u1ea7n ph\u1ee5 thu\u1ed9c c\u1ee7a \u1ee9ng d\u1ee5ng ho\u1eb7c khi c\u00e1c thay \u0111\u1ed5i v\u1ec1 m\u00e3 kh\u00f4ng \u0111\u01b0\u1ee3c ph\u1ea3n \u00e1nh ch\u00ednh x\u00e1c v\u1edbi Hot reload.<\/li>\n<\/ul>\n

              12. Gi\u1ea3i th\u00edch BuildContext l\u00e0 g\u00ec<\/strong><\/h3>\n

              BuildContext l\u00e0 m\u1ed9t kh\u00e1i ni\u1ec7m c\u01a1 b\u1ea3n trong Flutter v\u00e0 \u0111\u1ea1i di\u1ec7n cho ng\u1eef c\u1ea3nh trong \u0111\u00f3 m\u1ed9t widget \u0111\u01b0\u1ee3c t\u1ea1o. N\u00f3 cung c\u1ea5p quy\u1ec1n truy c\u1eadp v\u00e0o c\u00e1c th\u00f4ng tin v\u00e0 d\u1ecbch v\u1ee5 kh\u00e1c nhau li\u00ean quan \u0111\u1ebfn c\u00e2y widget, ch\u1eb3ng h\u1ea1n nh\u01b0 d\u1eef li\u1ec7u ch\u1ee7 \u0111\u1ec1, truy v\u1ea5n ph\u01b0\u01a1ng ti\u1ec7n v\u00e0 c\u00e1c widget k\u1ebf th\u1eeba. BuildContext \u0111\u01b0\u1ee3c truy\u1ec1n xu\u1ed1ng c\u00e2y widget v\u00e0 \u0111\u01b0\u1ee3c c\u00e1c widget s\u1eed d\u1ee5ng \u0111\u1ec3 l\u1ea5y t\u00e0i nguy\u00ean v\u00e0 x\u00e2y d\u1ef1ng giao di\u1ec7n ng\u01b0\u1eddi d\u00f9ng c\u1ee7a ch\u00fang d\u1ef1a tr\u00ean ng\u1eef c\u1ea3nh c\u1ee5 th\u1ec3.<\/p>\n

              13. L\u00e0m th\u1ebf n\u00e0o \u0111\u1ec3 t\u1ea1o HTTP Requests trong Flutter?\u00a0<\/strong><\/h3>\n

              \u0110\u00e2y \u0111\u01b0\u1ee3c \u0111\u00e1nh gi\u00e1 l\u00e0 m\u1ed9t c\u00e2u h\u1ecfi ph\u1ecfng v\u1ea5n Flutter n\u00e2ng cao. \u0110\u1ec3 th\u1ef1c hi\u1ec7n c\u00e1c y\u00eau c\u1ea7u HTTP trong Flutter, b\u1ea1n c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng g\u00f3i http, g\u00f3i n\u00e0y cung c\u1ea5p c\u00e1c ph\u01b0\u01a1ng th\u1ee9c thu\u1eadn ti\u1ec7n \u0111\u1ec3 th\u1ef1c hi\u1ec7n c\u00e1c ho\u1ea1t \u0111\u1ed9ng HTTP. C\u00e1c b\u01b0\u1edbc \u0111\u1ec3 th\u1ef1c hi\u1ec7n m\u1ed9t y\u00eau c\u1ea7u HTTP nh\u01b0 sau:<\/p>\n

                \n
              • Nh\u1eadp g\u00f3i http v\u00e0o d\u1ef1 \u00e1n Flutter c\u1ee7a b\u1ea1n.<\/li>\n
              • T\u1ea1o m\u1ed9t ch\u1ee9c n\u0103ng kh\u00f4ng \u0111\u1ed3ng b\u1ed9 \u0111\u1ec3 x\u1eed l\u00fd y\u00eau c\u1ea7u HTTP.<\/li>\n
              • S\u1eed d\u1ee5ng c\u00e1c ph\u01b0\u01a1ng th\u1ee9c c\u1ee7a g\u00f3i http, ch\u1eb3ng h\u1ea1n nh\u01b0 get(), post(), put() ho\u1eb7c delete(), \u0111\u1ec3 g\u1eedi y\u00eau c\u1ea7u HTTP mong mu\u1ed1n.<\/li>\n
              • X\u1eed l\u00fd ph\u1ea3n h\u1ed3i kh\u00f4ng \u0111\u1ed3ng b\u1ed9 v\u00e0 x\u1eed l\u00fd d\u1eef li\u1ec7u tr\u1ea3 v\u1ec1 khi c\u1ea7n.<\/li>\n<\/ul>\n

                14. K\u1ec3 t\u00ean hai c\u01a1 s\u1edf d\u1eef li\u1ec7u \u0111\u01b0\u1ee3c d\u00f9ng nhi\u1ec1u nh\u1ea5t trong Flutter<\/strong><\/h3>\n

                Hai c\u01a1 s\u1edf d\u1eef li\u1ec7u \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng nhi\u1ec1u nh\u1ea5t trong Flutter l\u00e0:<\/p>\n

                  \n
                • Sqflite: Sqflite l\u00e0 plugin cung c\u1ea5p giao di\u1ec7n \u0111\u01a1n gi\u1ea3n cho c\u01a1 s\u1edf d\u1eef li\u1ec7u SQLite trong Flutter. N\u00f3 cho ph\u00e9p c\u00e1c nh\u00e0 ph\u00e1t tri\u1ec3n th\u1ef1c hi\u1ec7n c\u00e1c ho\u1ea1t \u0111\u1ed9ng c\u01a1 s\u1edf d\u1eef li\u1ec7u v\u00e0 l\u01b0u tr\u1eef d\u1eef li\u1ec7u c\u1ee5c b\u1ed9 tr\u00ean thi\u1ebft b\u1ecb.<\/li>\n
                • Firebase Firestore: Firebase Firestore l\u00e0 c\u01a1 s\u1edf d\u1eef li\u1ec7u \u0111\u00e1m m\u00e2y NoSQL do Google cung c\u1ea5p. N\u00f3 cung c\u1ea5p \u0111\u1ed3ng b\u1ed9 h\u00f3a th\u1eddi gian th\u1ef1c v\u00e0 h\u1ed7 tr\u1ee3 ngo\u1ea1i tuy\u1ebfn, khi\u1ebfn database n\u00e0y tr\u1edf th\u00e0nh l\u1ef1a ch\u1ecdn ph\u1ed5 bi\u1ebfn cho c\u00e1c \u1ee9ng d\u1ee5ng Flutter.<\/li>\n<\/ul>\n

                  15. B\u1ea1n hi\u1ec3u g\u00ec v\u1ec1 tween animation?<\/strong><\/h3>\n

                  Tween animation l\u00e0 m\u1ed9t lo\u1ea1i ho\u1ea1t \u1ea3nh trong Flutter n\u1ed9i suy gi\u1eefa hai gi\u00e1 tr\u1ecb trong m\u1ed9t kho\u1ea3ng th\u1eddi gian c\u1ee5 th\u1ec3. N\u00f3 cho ph\u00e9p chuy\u1ec3n ti\u1ebfp m\u01b0\u1ee3t m\u00e0 v\u00e0 ho\u1ea1t \u1ea3nh b\u1eb1ng c\u00e1ch x\u00e1c \u0111\u1ecbnh gi\u00e1 tr\u1ecb b\u1eaft \u0111\u1ea7u v\u00e0 k\u1ebft th\u00fac, c\u0169ng nh\u01b0 th\u1eddi l\u01b0\u1ee3ng v\u00e0 \u0111\u01b0\u1eddng cong cho ho\u1ea1t \u1ea3nh. Tween animation th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 t\u1ea1o hi\u1ec7u \u1ee9ng \u0111\u1ed9ng cho c\u00e1c thu\u1ed9c t\u00ednh nh\u01b0 \u0111\u1ed9 m\u1edd, v\u1ecb tr\u00ed, k\u00edch th\u01b0\u1edbc v\u00e0 m\u00e0u s\u1eafc.<\/p>\n

                  K\u1ebft<\/strong>\u00a0<\/h2>\n

                  V\u1eady l\u00e0 Masterskills \u0111\u00e3 c\u00f9ng b\u1ea1n t\u00ecm hi\u1ec3u top 15 c\u00e2u h\u1ecfi ph\u1ecfng v\u1ea5n Flutter<\/strong> ph\u1ed5 bi\u1ebfn m\u00e0 b\u1ea1n c\u00f3 th\u1ec3 g\u1eb7p ph\u1ea3i. Hi\u1ec3u r\u00f5 b\u1ea3n ch\u1ea5t c\u1ee7a c\u00e2u h\u1ecfi v\u00e0 c\u00e1ch tr\u1ea3 l\u1eddi tr\u1ea3 l\u1eddi c\u1ee7a ch\u00fang s\u1ebd gi\u00fap b\u1ea1n chu\u1ea9n b\u1ecb t\u1ed1t h\u01a1n cho c\u00e1c cu\u1ed9c ph\u1ecfng v\u1ea5n Flutter \u0111\u1ec3 th\u1ec3 hi\u1ec7n ki\u1ebfn th\u1ee9c c\u0169ng nh\u01b0 k\u1ef9 n\u0103ng c\u1ee7a m\u00ecnh.<\/p>\n

                  Masterskills c\u00f2n r\u1ea5t nhi\u1ec1u b\u1ed9 c\u00e2u h\u1ecfi ph\u1ecfng v\u1ea5n kh\u00e1c thu\u1ed9c c\u00e1c ch\u1ee7 \u0111\u1ec1 c\u00f4ng ngh\u1ec7, k\u1ef9 thu\u1eadt v\u00e0 ph\u1ea7n m\u1ec1m. H\u00e3y gh\u00e9 qua Blog c\u1ee7a t\u1ee5i m\u00ecnh \u0111\u1ec3 c\u00f3 \u0111\u01b0\u1ee3c s\u1ef1 chu\u1ea9n b\u1ecb t\u1ed1t nh\u1ea5t cho bu\u1ed5i ph\u1ecfng v\u1ea5n s\u1eafp t\u1edbi nh\u00e9!<\/p>\n<\/div>\n","protected":false},"excerpt":{"rendered":"

                  Flutter l\u00e0 m\u1ed9t khung giao di\u1ec7n ng\u01b0\u1eddi d\u00f9ng m\u00e3 ngu\u1ed3n m\u1edf ph\u1ed5 bi\u1ebfn \u0111\u01b0\u1ee3c ph\u00e1t tri\u1ec3n b\u1edfi Google. N\u00f3 cho ph\u00e9p c\u00e1c nh\u00e0 ph\u00e1t tri\u1ec3n x\u00e2y d\u1ef1ng c\u00e1c \u1ee9ng d\u1ee5ng \u0111a n\u1ec1n t\u1ea3ng v\u1edbi m\u1ed9t c\u01a1 s\u1edf m\u00e3 duy nh\u1ea5t s\u1eed d\u1ee5ng ng\u00f4n ng\u1eef l\u1eadp tr\u00ecnh Dart. Cho d\u00f9 b\u1ea1n l\u00e0 m\u1ed9t ng\u01b0\u1eddi m\u1edbi b\u1eaft […]<\/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\/50114"}],"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=50114"}],"version-history":[{"count":0,"href":"https:\/\/masterskills.org\/blog\/wp-json\/wp\/v2\/posts\/50114\/revisions"}],"wp:attachment":[{"href":"https:\/\/masterskills.org\/blog\/wp-json\/wp\/v2\/media?parent=50114"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/masterskills.org\/blog\/wp-json\/wp\/v2\/categories?post=50114"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/masterskills.org\/blog\/wp-json\/wp\/v2\/tags?post=50114"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}