title: [Compose 系列 - 0] 碎碎念 x 學習路線介紹
[Compose 系列 - 0] 碎碎念 x 學習路線介紹
序
這篇主要是敘述, 學習compose 的心得; 並以第一次學習的角度, 提供個人的學習路線, 資源, 以及建議.
碎碎念開始
老實說開始學了以後有一種 被騙了 的感覺:
剛開始看一些範例:
哇~~~ 真簡潔有力~~~~
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我喜歡~
感覺跟 網頁框架 react 好像喔~
那我也來下水
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載了compose-sample, 開啟AS Canary Build
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- The server hosting the image is unavailable
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這些是三小
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一堆 remember
, effect
, state
追了一下, 才知到
不是跟react 很像, 它整個就是Functional Programming, 就是react那套搬過來
Orz
要學的新東西, 不是只有compose UI
的部分, 連整個 FP
都必須好好的研究才行.
因此, 這篇主要是分享以下幾點:
- Functional Programming (FP) 學習路線
- Android Compose UI 學習路線
- 資源介紹
學習路線
Functional Programming 學習路線
Compose 採用 Functional Programming (FP), 跟原有的OOP 有很大的不同。如果你不曾了解FP, 過意味著這個架構你是必須重新學習的.
個人的學習方式, 整理後大致上分成了幾大類:
- FP核心概念及其重要名詞
- 頭等類別(First Class)
- 純函式(Pure Function)
- 副作用(Side Effect)
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可參考:
兩篇雖然都是以JS 為主, 但著實對 FP 介紹的非常詳細
- 圍繞核心, 應用面的延伸
- Composable
- Effect
- State
- Remember
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可參考:
- 嘗試深入理解 & 重複思考上述名詞的關係
Google 有深入的介紹, compose 的核心機制
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有興趣可參考:
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繪製相關
Jetpack Compose UI 學習路線
以順序來說, 是比較建議對FP 有初步了解, 再學習 Compose UI
; 當然只學習UI 的部分, 將 FP 的部分切開來也是可以的, 但就只能看一些比較簡單的範例.
以純UI 學習來說:
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以全盤性的學習來說:
新聞
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聊天室
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小結
目前compose 學習起來, 我認為比原本的android 框架, 時間成本高出不少, 一來是原本的 UI轉換, 需要一段時間重學, 並不是可以無痛轉換; 再者 FP 的概念, 也不是輕鬆就可以轉換過來的.
我想compose 這套要廣為使用, 可能需要不少的時間.
學習資源會陸續更新, 歡迎大家一起分享留言.
其他參考