Upgrade to Pro — share decks privately, control downloads, hide ads and more …

北海道と青森で iOS アプリデベロッパになった

Sponsored · Ship Features Fearlessly Turn features on and off without deploys. Used by thousands of Ruby developers. →
Avatar for treastrain / Tanaka Ryoga treastrain / Tanaka Ryoga
February 22, 2026
Technology
0
9

北海道と青森で iOS アプリデベロッパになった

北海道と青森で iOS アプリデベロッパになった

Hakodate.swift #1
2026/02/22 LT（5分）
https://japan-region-swift.connpass.com/event/371217

Avatar for treastrain / Tanaka Ryoga

treastrain / Tanaka Ryoga

February 22, 2026
Tweet

More Decks by treastrain / Tanaka Ryoga

See All by treastrain / Tanaka Ryoga
そろそろ FormatStyle
Avatar for treastrain / Tanaka Ryoga treastrain
1
2.9k
Mastering AsyncSequence - 使う・作る・他のデザインパターン（クロージャ、Delegate など）から移行する
Avatar for treastrain / Tanaka Ryoga treastrain
5
3.6k
Firebase Apple SDK 年間ダイジェスト: 2023年 / Firebase Apple SDK Annual Digest: 2023
Avatar for treastrain / Tanaka Ryoga treastrain
1
1.9k
Combine・sink（RxSwift・subscribe）では Task を作らないようにして async なメソッドを呼ぶ / Do not create a Task inside a Combine/sink (RxSwift/subscribe) closure when calling an async method there
Avatar for treastrain / Tanaka Ryoga treastrain
3
1.3k
その Swift コード、
こう書き換えてみないか / Polishing your Swift code with me!
Avatar for treastrain / Tanaka Ryoga treastrain
2
10k
存在型に `any` を付けていないときにコンパイルエラーにする / How to produce a compile error when writing an existential type without the `any` keyword
Avatar for treastrain / Tanaka Ryoga treastrain
1
5.5k
Bitrise Pipelines に移行して、クレジットを節約しながら並列でビルド・テストを回す / Migrate to Bitrise Pipelines and save credits while run builds and tests in parallel
Avatar for treastrain / Tanaka Ryoga treastrain
0
2.8k
詳解 Core NFC - NFC を用いた iOS App 開発のてびき / Demystify Core NFC - A guide to iOS App Dev using NFC
Avatar for treastrain / Tanaka Ryoga treastrain
5
5.2k
プロフィールページ（ポートフォリオサイト）を
 Swift-DocC で作れるか？ / Can we create a profile page (portfolio site) in Swift-DocC?
Avatar for treastrain / Tanaka Ryoga treastrain
1
320

Other Decks in Technology

See All in Technology
通話データから価値を生む 生成AIデータ基盤の実践 / CO-LAB_Tech_Night
Avatar for Sansan R&D sansan_randd
0
110
「OSアップデート：年に一度の「大仕事」を乗り切るQA戦略」_Mobile Tech Flex 〜4社合同！私たちのモバイル開発自慢大会〜
Avatar for 山口茉莉江 gu3
0
120
GitHub Copilot CLI 現状確認会議(2026年2月のすがた)
Avatar for Toru Makabe torumakabe
3
440
技術書を出版するまでの1161時間50分38秒
Avatar for Kakeami kakeami
0
140
AWSが推進する AI駆動開発ライフサイクル入門 〜 AI駆動開発時代に必要な人材とは 〜 / introduction_to_aidlc_and_skills
Avatar for Atsushi Fukui fatsushi
7
3.6k
30分でわかるアーキテクチャモダナイゼーション
Avatar for nwiizo nwiizo
7
2.9k
生成AIと余白 〜開発スピードが向上した今、何に向き合う？〜
Avatar for KAKEHASHI kakehashi
PRO
1
260
コンテナセキュリティの最新事情 ~ 2026年版 ~
Avatar for Kyohei Mizumoto kyohmizu
8
3.1k
ファイルシステムの不整合
Avatar for Satoru Takeuchi sat
PRO
2
110
(技術的には)社内システムもOKなブラウザエージェントを作ってみた！
Avatar for Har1101 har1101
1
460
【2026年版】生成AIによる情報システムへのインパクト
Avatar for Takaaki Yayoi taka_aki
0
140
Oracle Database@Azure：サービス概要のご紹介
Avatar for oracle4engineer oracle4engineer
PRO
3
720

Featured

See All Featured
Future Trends and Review - Lecture 12 - Web Technologies (1019888BNR)
Avatar for Beat Signer signer
PRO
0
3.2k
Leveraging Curiosity to Care for An Aging Population
Avatar for Cassini Nazir cassininazir
1
170
Designing for humans not robots
Avatar for Tammie Lister tammielis
254
26k
SEO Brein meetup: CTRL+C is not how to scale international SEO
Avatar for Linda Hogenes lindahogenes
0
2.4k
Responsive Adventures: Dirty Tricks From The Dark Corners of Front-End
Avatar for Vitaly Friedman smashingmag
254
22k
Visual Storytelling: How to be a Superhuman Communicator
Avatar for David Neal reverentgeek
2
450
Why Mistakes Are the Best Teachers: Turning Failure into a Pathway for Growth
Avatar for Umar Saidu Auna auna
0
65
ラッコキーワード サービス紹介資料
Avatar for ラッコ株式会社 rakko
1
2.4M
JavaScript: Past, Present, and Future - NDC Porto 2020
Avatar for David Neal reverentgeek
52
5.8k
Utilizing Notion as your number one productivity tool
Avatar for Mfonobong Umondia mfonobong
3
230
Fight the Zombie Pattern Library - RWD Summit 2016
Avatar for Marcelo Somers marcelosomers
234
17k
Max Prin - Stacking Signals: How International SEO Comes Together (And Falls Apart)
Avatar for Tech SEO Connect techseoconnect
PRO
0
99

Transcript

  1. Copyright © 2026 treastrain / Tanaka RyogaɹAll rights reserved. treastrain

    / Tanaka Ryoga ๺ւಓͱ੨৿Ͱ iOS ΞϓϦσϕϩούʹͳͬͨ Hakodate.swift #1 1 #hakodate_swift

  2. Copyright © 2026 treastrain / Tanaka RyogaɹAll rights reserved. 2

    treastrain / Tanaka Ryoga @treastrainɹhttps://tret.jp

  3. Copyright © 2026 treastrain / Tanaka RyogaɹAll rights reserved. 3

  4. Copyright © 2026 treastrain / Tanaka RyogaɹAll rights reserved. 4

  5. Copyright © 2026 treastrain / Tanaka RyogaɹAll rights reserved. 5

  6. Copyright © 2026 treastrain / Tanaka RyogaɹAll rights reserved. 6

  7. Copyright © 2026 treastrain / Tanaka RyogaɹAll rights reserved. 7

  8. Copyright © 2026 treastrain / Tanaka RyogaɹAll rights reserved. 8

  9. Copyright © 2026 treastrain / Tanaka RyogaɹAll rights reserved. 9

    NFC ( FeliCa)

  10. Copyright © 2026 treastrain / Tanaka RyogaɹAll rights reserved. 10

  11. Copyright © 2026 treastrain / Tanaka RyogaɹAll rights reserved. ύιίϯͷதͰ

    iPhone ͕ಈ͘Β͍͠ 11

  12. Copyright © 2026 treastrain / Tanaka RyogaɹAll rights reserved. Mac

    ͱ͍͏ ύιίϯ͡Όͳ͍ͱμϝΈ͍ͨ 12

  13. Copyright © 2026 treastrain / Tanaka RyogaɹAll rights reserved. 13

  14. Copyright © 2026 treastrain / Tanaka RyogaɹAll rights reserved. 14

  15. Copyright © 2026 treastrain / Tanaka RyogaɹAll rights reserved. 15

  16. Copyright © 2026 treastrain / Tanaka RyogaɹAll rights reserved. 16

  17. Copyright © 2026 treastrain / Tanaka RyogaɹAll rights reserved. 17

  18. Copyright © 2026 treastrain / Tanaka RyogaɹAll rights reserved. 18

  19. Copyright © 2026 treastrain / Tanaka RyogaɹAll rights reserved. 19

  20. Copyright © 2026 treastrain / Tanaka RyogaɹAll rights reserved. 20

  21. Copyright © 2026 treastrain / Tanaka RyogaɹAll rights reserved. 21

  22. Copyright © 2026 treastrain / Tanaka RyogaɹAll rights reserved. 22

  23. Copyright © 2026 treastrain / Tanaka RyogaɹAll rights reserved. 23

  24. Copyright © 2026 treastrain / Tanaka RyogaɹAll rights reserved. 24

    NFC ( FeliCa)

  25. Copyright © 2026 treastrain / Tanaka RyogaɹAll rights reserved. 25

  26. Copyright © 2026 treastrain / Tanaka RyogaɹAll rights reserved. 26

  27. Copyright © 2026 treastrain / Tanaka RyogaɹAll rights reserved. 27

  28. Copyright © 2026 treastrain / Tanaka RyogaɹAll rights reserved. 28

  29. Copyright © 2026 treastrain / Tanaka RyogaɹAll rights reserved. 29

  30. Copyright © 2026 treastrain / Tanaka RyogaɹAll rights reserved. 30

  31. Copyright © 2026 treastrain / Tanaka RyogaɹAll rights reserved. 31

  32. Copyright © 2026 treastrain / Tanaka RyogaɹAll rights reserved. 32

  33. Copyright © 2026 treastrain / Tanaka RyogaɹAll rights reserved. 33

  34. Copyright © 2026 treastrain / Tanaka RyogaɹAll rights reserved. 34

  35. Copyright © 2026 treastrain / Tanaka RyogaɹAll rights reserved. 35

  36. Copyright © 2026 treastrain / Tanaka RyogaɹAll rights reserved. 36

  37. Copyright © 2026 treastrain / Tanaka RyogaɹAll rights reserved. 37

    treastrain / Tanaka Ryoga @treastrainɹhttps://tret.jp Swift 🦅 / Core NFC 📶 - Japan NFC Reader 💳 - PadDisplay 📺 DeNA Co., Ltd. - iOS App Developer ( April 2021 - Current)