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Proprietary and Confidential ©2017 JapanTaxi, Inc. All Rights Reserved RIBs でのダイエット

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Proprietary and Confidential ©2017 JapanTaxi, Inc. All Rights Reserved ⾃⼰紹介 2 • Tatsunori Kuri (@kuritatu18) • iOS app Developer • JapanTaxi (2018.9 ~)

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Proprietary and Confidential ©2017 JapanTaxi, Inc. All Rights Reserved 今⽇話すこと 3 - 1．RIBsとは - 2. 画⾯ が複雑なときのダイエット⽅法 - 3．ロジックが複雑なときのダイエット⽅法 - 4．まとめ

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Proprietary and Confidential ©2017 JapanTaxi, Inc. All Rights Reserved RIBs との出会い 4 応募 2018.4 2018.6 内定 2018.9.12 2018.9.16 ⼊社 v4リニューアル RIBs 採⽤

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Proprietary and Confidential ©2017 JapanTaxi, Inc. All Rights Reserved RIBs とは 5

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Proprietary and Confidential ©2017 JapanTaxi, Inc. All Rights Reserved RIBs とは 6 （https://github.com/uber/RIBs/wiki より）

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Proprietary and Confidential ©2017 JapanTaxi, Inc. All Rights Reserved RIBs のコンポーネント 7 - Router - RIB のルーティング - Interactor - ビジネスロジックを持つ - View(Presenter) - レイアウト、ユーザー操作の処理

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Proprietary and Confidential ©2017 JapanTaxi, Inc. All Rights Reserved RIBs のコンポーネント 8 - Builder - RIB内の構成要素 Router, Interactor, ViewController と  ⼦RIB Builderのインスタンス化 - RIB 内部への依存性の注⼊と、RIB 間の依存関係の解決

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Proprietary and Confidential ©2017 JapanTaxi, Inc. All Rights Reserved RIB 内のコミュニケーション 9 Router Interactor View Controller Builder Routing Presentable PresentableListener Build()

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Proprietary and Confidential ©2017 JapanTaxi, Inc. All Rights Reserved RIB のルーティングとライフサイクル 10 Child RIB Router Interactor View Controller Builder Parent RIB Router Interactor View Controller Builder Child RIB の Router を attach

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Proprietary and Confidential ©2017 JapanTaxi, Inc. All Rights Reserved RIB のルーティングとライフサイクル 11 Child RIB Router load() Interactor View Controller Builder Parent RIB Router Interactor View Controller Builder Child RIB の Router を attach

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Proprietary and Confidential ©2017 JapanTaxi, Inc. All Rights Reserved RIB のルーティングとライフサイクル 12 Child RIB Router load() Interactor activate() View Controller Builder Parent RIB Router Interactor View Controller Builder Child RIB の Router を attach

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Proprietary and Confidential ©2017 JapanTaxi, Inc. All Rights Reserved RIB のルーティングとライフサイクル 13 Child RIB Router Interactor View Controller Builder Parent RIB Router Interactor View Controller Builder Child RIB の Router を detach

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Proprietary and Confidential ©2017 JapanTaxi, Inc. All Rights Reserved RIB のルーティングとライフサイクル 14 Child RIB Router Interactor deactivate() View Controller Builder Parent RIB Router Interactor View Controller Builder Child RIB の Router を detach

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Proprietary and Confidential ©2017 JapanTaxi, Inc. All Rights Reserved RIB間のコミュニケーション 15 Child RIB Router Interactor View Controller Builder Parent RIB Router Interactor View Controller Builder Listener経由で 親RIBの処理を呼ぶ

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Proprietary and Confidential ©2017 JapanTaxi, Inc. All Rights Reserved 16 https://blog.japantaxi.co.jp/2018/12/09/1991

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Proprietary and Confidential ©2017 JapanTaxi, Inc. All Rights Reserved RIBs の特徴：ツリー構造 17 ※注⽂導線の⼀部抜粋：2020年2⽉6⽇時点

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Proprietary and Confidential ©2017 JapanTaxi, Inc. All Rights Reserved 18 https://github.com/srea/RIBsTreeViewerClient

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Proprietary and Confidential ©2017 JapanTaxi, Inc. All Rights Reserved 画⾯が複雑になってきたとき 19

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Proprietary and Confidential ©2017 JapanTaxi, Inc. All Rights Reserved RIBs × MicroViewController 20

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Proprietary and Confidential ©2017 JapanTaxi, Inc. All Rights Reserved MicroViewControllerとは 21 https://www.icloud.com/keynote/0vgTYDXyHQTd0l1FKTiF1jT7g#MicroViewController-en

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Proprietary and Confidential ©2017 JapanTaxi, Inc. All Rights Reserved ⼦ViewController の追加 22 - View - StackView

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Proprietary and Confidential ©2017 JapanTaxi, Inc. All Rights Reserved 利⽤例 23

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Proprietary and Confidential ©2017 JapanTaxi, Inc. All Rights Reserved 注⽂詳細画⾯ 24

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Proprietary and Confidential ©2017 JapanTaxi, Inc. All Rights Reserved 注⽂詳細画⾯のViewHierarchy 25

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Proprietary and Confidential ©2017 JapanTaxi, Inc. All Rights Reserved 注⽂詳細画⾯のViewHierarchy 26

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Proprietary and Confidential ©2017 JapanTaxi, Inc. All Rights Reserved RIBs × MicroViewController 27 - Builder.build()

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Proprietary and Confidential ©2017 JapanTaxi, Inc. All Rights Reserved RIBs × MicroViewController 28 - Builder.build()

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Proprietary and Confidential ©2017 JapanTaxi, Inc. All Rights Reserved RIBs × MicroViewController 29 - Builder.build()

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Proprietary and Confidential ©2017 JapanTaxi, Inc. All Rights Reserved RIBs × MicroViewController 30 - ViewControllable - Router.Init()

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Proprietary and Confidential ©2017 JapanTaxi, Inc. All Rights Reserved RIBs × MicroViewController 31 - Router.didLoad()

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Proprietary and Confidential ©2017 JapanTaxi, Inc. All Rights Reserved RIBs × MicroViewController 32 - Router.didLoad()

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Proprietary and Confidential ©2017 JapanTaxi, Inc. All Rights Reserved ViewHierarchy と RIBsツリー 33

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Proprietary and Confidential ©2017 JapanTaxi, Inc. All Rights Reserved 画⾯全体は複雑でも １つ１つはスリムになった 34

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Proprietary and Confidential ©2017 JapanTaxi, Inc. All Rights Reserved ロジックが複雑になってきたとき 35

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Proprietary and Confidential ©2017 JapanTaxi, Inc. All Rights Reserved View の無い RIB に切り出す 36

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Proprietary and Confidential ©2017 JapanTaxi, Inc. All Rights Reserved View の無いRIB 37

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Proprietary and Confidential ©2017 JapanTaxi, Inc. All Rights Reserved View の無いRIB の追加 38 Owns corresponding view の チェックを外す ViewController の無い RIB が作成される Templete から RIB を選択

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Proprietary and Confidential ©2017 JapanTaxi, Inc. All Rights Reserved RIB の分割前 39 Parent RIB Router Interactor ・処理A ・処理B ・処理C View Controller Builder

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Proprietary and Confidential ©2017 JapanTaxi, Inc. All Rights Reserved RIB の分割後 40 Parent RIB Router Interactor ・処理A View Controller Builder B Child RIB Router Builder Interactor ・処理B C Child RIB Router Builder Interactor ・処理C B Child Listener C Child Listener

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Proprietary and Confidential ©2017 JapanTaxi, Inc. All Rights Reserved 利⽤例 41

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Proprietary and Confidential ©2017 JapanTaxi, Inc. All Rights Reserved 乗⾞地選択画⾯ 42

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Proprietary and Confidential ©2017 JapanTaxi, Inc. All Rights Reserved 乗⾞地選択画⾯の下の部分 43

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Proprietary and Confidential ©2017 JapanTaxi, Inc. All Rights Reserved View の無い RIB 44

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Proprietary and Confidential ©2017 JapanTaxi, Inc. All Rights Reserved View の無い RIB 45 地図を動かした際の緯度/経度でAPI から住所を取得するRIB

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Proprietary and Confidential ©2017 JapanTaxi, Inc. All Rights Reserved View の無い RIB 46 APIから乗⾞の禁⽌エリア取得と禁⽌ エリア内かの判定をするRIB

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Proprietary and Confidential ©2017 JapanTaxi, Inc. All Rights Reserved View の無い RIB 47 次の画⾯に必要な情報をAPIから取得 するRIB

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Proprietary and Confidential ©2017 JapanTaxi, Inc. All Rights Reserved View の無い RIB 48 View の無いRIBから別のViewのある RIB にルーティングすることもある

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Proprietary and Confidential ©2017 JapanTaxi, Inc. All Rights Reserved 複雑なロジックを分散することで １つ１つはスリムになった 49

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Proprietary and Confidential ©2017 JapanTaxi, Inc. All Rights Reserved まとめ 50 - 画⾯とロジックの両⾯からダイエットをすることが可能 - ViewController の平均⾏数：154、500⾏超え1つ - Interactorの平均⾏数：141、500⾏超え2つ - １つ１つの RIB がスリムになる - 責務が明確になる - 追加、修正による影響が最⼩限に - テストが書きやすい

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Proprietary and Confidential ©2017 JapanTaxi, Inc. All Rights Reserved RIBs とっても良いですよ 51

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จষɾը૾౳ͷ಺༰ͷແஅసࡌٴͼෳ੡౳ͷߦҝ͸͝ԕྀ͍ͩ͘͞ɻ Proprietary and Confidential ©2020 JapanTaxi, Inc. All Rights Reserved ˟102-0094ɹ౦ژ౎ઍ୅ా۠لඌҪொ3-12 3-12 Kioicho Chiyoda-ku, Tokyo 102-0094 Japan TEL 03-6265-6265ɹFAX 03-3239-8115 www.japantaxi.co.jp