Upgrade to Pro
— share decks privately, control downloads, hide ads and more …
Speaker Deck
Features
Speaker Deck
PRO
Sign in
Sign up for free
Search
Search
つまづいた時のデバッグ術 / yumemi-swift-how-to-debug
Search
IshibaSeiko
May 15, 2020
Programming
1
570
つまづいた時のデバッグ術 / yumemi-swift-how-to-debug
IshibaSeiko
May 15, 2020
Tweet
Share
Other Decks in Programming
See All in Programming
明日から始めるリファクタリング
ryounasso
0
120
(Extension DC 2025) Actor境界を越える技術
teamhimeh
1
240
なぜあの開発者はDevRelに伴走し続けるのか / Why Does That Developer Keep Running Alongside DevRel?
nrslib
3
380
私達はmodernize packageに夢を見るか feat. go/analysis, go/ast / Go Conference 2025
kaorumuta
2
500
Cloudflare AgentsとAI SDKでAIエージェントを作ってみた
briete
0
130
CSC509 Lecture 03
javiergs
PRO
0
330
複雑化したリポジトリをなんとかした話 pipenvからuvによるモノレポ構成への移行
satoshi256kbyte
1
930
CSC305 Lecture 03
javiergs
PRO
0
240
Pull-Requestの内容を1クリックで動作確認可能にするワークフロー
natmark
2
480
overlayPreferenceValue で実現する ピュア SwiftUI な AdMob ネイティブ広告
uhucream
0
170
『毎日の移動』を支えるGoバックエンド内製開発
yutautsugi
2
210
iOS 17で追加されたSubscriptionStoreView を利用して5分でサブスク実装チャレンジ
natmark
0
650
Featured
See All Featured
StorybookのUI Testing Handbookを読んだ
zakiyama
31
6.2k
Building Better People: How to give real-time feedback that sticks.
wjessup
368
20k
The Psychology of Web Performance [Beyond Tellerrand 2023]
tammyeverts
49
3.1k
RailsConf & Balkan Ruby 2019: The Past, Present, and Future of Rails at GitHub
eileencodes
140
34k
Building Flexible Design Systems
yeseniaperezcruz
329
39k
Large-scale JavaScript Application Architecture
addyosmani
514
110k
Being A Developer After 40
akosma
91
590k
Practical Tips for Bootstrapping Information Extraction Pipelines
honnibal
PRO
23
1.5k
Raft: Consensus for Rubyists
vanstee
139
7.1k
Sharpening the Axe: The Primacy of Toolmaking
bcantrill
45
2.5k
Thoughts on Productivity
jonyablonski
70
4.9k
Principles of Awesome APIs and How to Build Them.
keavy
127
17k
Transcript
ͭ·͍ͮͨ࣌ͷσόοάज़ w ࣗݾհ w എܠͱత w σόοάज़ w QSJOUPCKFDU w
#SFBLQPJOU "DUJPO w &YDFQUJPO#SFBLQPJOU w 7JFX%FCVH
2 ੴਗ਼ࢠ ͍͍ͤ͜͠ w J04ΤϯδχΞ w ࣮ܦݧ ݄d w
Swiftେ͖ w (JUIVC • https://github.com/IshibaSeiko w 2JJUB • https://qiita.com/seikoseikou w 5XJUUFS • @seikoseikou w #MPH • https://seikoseikou.com
3 എܠͱత wϓϩάϥϛϯά΄΅ະܦݧͰೖࣾͨͨ͠Ίɺ ʮσόοάʯΛΒͳ͔ͬͨ wϏϧυͨ͠Βɺࢥ͍ඳ͍͍ͯͨڍಈʹͳΒͳ͔ͬͨʂ wόάௐࠪΛ͞Εͨʂ w ͰɺݪҼͷௐํ͕Θ͔Βͳ͍ ϧʔΩʔୡʹɺσόοάज़Λڭ͍͑ͨʂ
4 αϯϓϧΞϓϦʹ͍ͭͯ ιʔείʔυ https://github.com/IshibaSeiko/DebugDemo ػೳ ϘλϯΛλοϓ͢Δͱɺ ৭ͷViewͱ੨৭ͷViewͷલޙ͕ΓସΘΔ ॲཧ @IBAction func
didTapSwapButton(_ sender: UIButton) { view.bringSubviewToFront(view.subviews[1]) }
5 ࠓհ͢Δσόοάज़ • print object w Λ֬ೝ͍ͨ͠ • Breakpoint +
Action w ॲཧΛ௨ΔͨͼʹΛ֬ೝ͍ͨ͠ • Exception Breakpoint w ΞϓϦΫϥογϡͷݪҼ͕Γ͍ͨ • View Debug w UI্ͷΛΓ͍ͨ
6 σόοάज़print object import UIKit class ViewController: UIViewController { override
func viewDidLoad() { super.viewDidLoad() } @IBAction func didTapSwapButton(_ sender: UIButton) { view.bringSubviewToFront(view.subviews[1]) } } ϚδοΫφϯόʔ͔ͩΒɺ ͲͷView͕औಘ͞ΕΔ͔Θ͔Βͳ͍
7 Α͋͘ΔΓํ @IBAction func viewSwapButton(_ sender: UIButton) { view.bringSubviewToFront(view.subviews[1])
print(view.subviews[1]) } • ֬ೝ͢ΔͨΊʹBuild͢Δඞཁ͕͋Δ • ػೳͱͯ͠ෆཁͳίʔυΛهड़͢Δ͜ͱͱͳΔ
8 σόοάज़print object ίϯιʔϧͰΛ֬ೝ͢Δ
9 σόοάज़print object ৭ͷView͕औಘ͞Εͨ Ͱɺຖճpo͢Δͷɺ໘ʜ ϚδοΫφϯόʔ͔ͩΒɺ ͲͷView͕औಘ͞ΕΔ͔Θ͔Βͳ͍
10 σόοάज़Breakpoint + Action BreakpointʹActionΛՃ͠ɺϩάΛදࣔ͢Δ
11 σόοάज़Breakpoint + Action Ͱɺຖճ֬ೝ͢Δͷɺ໘ʜ ࣗಈͰϩά͕දࣔ͞ΕΔΑ͏ʹͳͬͨ ࣍όάΛൃੜͯ͠ΈΑ͏
12 σόοάज़Exception Breakpoint ࣄ ϘλϯΛλοϓ͢Δͱɺ ΞϓϦ͕Ϋϥογϡ͢Δ ݪҼʜ
13 σόοάज़Exception Breakpoint AppDelegateͰΫϥογϡ͢Δͭ
14 σόοάज़Exception Breakpoint ྫ֎͕ൃੜͨ͠ՕॴͰϒϨʔΫ͢Δ
15 σόοάज़Exception Breakpoint ϘλϯΛλοϓ͢Δͱɺ ΞϓϦ͕Ϋϥογϡ͢Δ ྻʹଘࡏ͠ͳ͍σʔλΛऔಘ͠Α͏ͱ͍ͯͨ͠ ࣍όάΛൃੜͤͯ͞ΈΔ
16 σόοάज़View Debug ࣄ ϘλϯΛλοϓͰ͖ͳ͍ ݪҼʜ
17 σόοάज़View Debug Viewͷ֊Λ֬ೝ͢Δ
18 σόοάज़View Debug SwapϘλϯΑΓલ໘ʹɺ User Interaction Enabled͕Onʹͳ͍ͬͯΔView͕ ॏͳ͍ͬͯͨ ϘλϯΛλοϓͰ͖ͳ͍
19 ·ͱΊ • print object w ίϯιʔϧͰApo{֬ೝ͍ͨ͠ίʔυ}AΛೖྗ͢Δ • Breakpoint +
Action w ઃఆͨ͠BreakpointΛμϒϧλοϓͯ͠actionΛՃ͢Δ • Exception Breakpoint w Breakpoint NavigatorࠨԼͷʮ ʯ͔Β Exception BreakpointΛՃ͢Δ • View Debug w Debug View HierarchyΛλοϓ͢Δ