Section 4: Widgets, Styling, Adding Logic – Building a Real App

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  • Section 4: Widgets, Styling, Adding Logic – Building a Real App

     BBB updated 8 months, 1 week ago 4 Members · 94 Posts
  • SSS

    Member
    2021/01/16 at 10:39

    預留給之後討論記錄用

  • SSS

    Member
    2021/01/16 at 10:40

    pdf 圖表不錯,有助於記憶各Widget適用型態。

    • SSS

      Member
      2021/01/16 at 10:40

      PS: An Overview of the Core Flutter Widgets 中提到的pdf

    • SSS

      Member
      2021/01/16 at 10:40

      這個也不錯:

      rows-columns-cheat-sheet.pdf

  • CCC

    Member
    2021/01/16 at 10:43

    PDF 整理的很棒 我也喜歡

  • OOO

    Member
    2021/01/16 at 10:43

    這邊看的太快,覺得 transaction list 不太懂

  • BBB

    Member
    2021/01/16 at 10:44

    其實如果畫了widget tree, 就可以明白

    • OOO

      Member
      2021/01/16 at 10:46

    • BBB

      Member
      2021/01/16 at 10:48

      而且可以幫你決定什麼時候用stateful 和state less

    • SSS

      Member
      2021/01/16 at 10:50

      我記得Android Studio 右側邊欄,有類似的工具。VSCode有嗎?

      • BBB

        Member
        2021/01/16 at 10:51

        Dev tool

        • SSS

          Member
          2021/01/16 at 10:52

          感謝。

          可能我漏了,只記到這幾個:

          • Debug Paint

          • Performance Delay

          • Debug Banner

          • Repaint Rainbow

    • SSS

      Member
      2021/01/16 at 10:52

      我喜歡這個建議:其實如果畫了widget tree, 就可以明白

  • OOO

    Member
    2021/01/16 at 10:48

    現在都只有上都沒跟著做 orz

  • CCC

    Member
    2021/01/16 at 10:54

    沒跟著寫 真的會有點難懂

    1. 他講得快

    2. transactionList, transaction_item, new_transaction, user_transaction 我覺得就會混亂

    3. 他跟 angela 一樣會隨時重構,然後就更亂了

  • OOO

    Member
    2021/01/16 at 10:54

    Angela 重構比較好理解

  • SSS

    Member
    2021/01/16 at 10:54

    我這週比上週好多了

    • SSS

      Member
      2021/01/16 at 10:55

      不曉得是聲音正常,還是習慣他的口音了

  • BBB

    Member
    2021/01/16 at 10:55

    User transaction是parent

  • BBB

    Member
    2021/01/16 at 10:56

    內有new transaction和transaction list

  • CCC

    Member
    2021/01/16 at 10:56

    max 用很多 dart 語法技巧,我也還在消化

  • BBB

    Member
    2021/01/16 at 10:57

    說起來, dart有一個功能叫extension, 我等下再分享

    • CCC

      Member
      2021/01/16 at 11:01

      … 嗎

  • BBB

    Member
    2021/01/16 at 10:57

    他這一張就教 lifting up state

  • SSS

    Member
    2021/01/16 at 10:58

    • pass the pointer

    if we would add parentheses, we would immediately execute this when Dart parses this line, without parentheses we just pass down the pointer.

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