Upgrade to Pro
— share decks privately, control downloads, hide ads and more …
Speaker Deck
Sign up for free
Menu
Search
Features
All features
Private URLs
Password Protection
Custom URLS
Scheduled publishing
Remove Branding
Restrict embedding
Deck Collections
Notes
Features
All features
Private URLs
Password Protection
Custom URLS
Scheduled publishing
Remove Branding
Restrict embedding
Deck Collections
Notes
Explore
Featured decks
Featured speakers
Programming
Technology
Storyboards
Explore
Featured decks
Featured speakers
Programming
Technology
Storyboards
Pricing
Search
Sign in
Sign up for free
レビュー評価4.7の秘密 / The Secret To A Better Reputation
Search
Sponsored
·
Ship Features Fearlessly
Turn features on and off without deploys. Used by thousands of Ruby developers.
→
punchdrunker
June 29, 2018
Technology
2.1k
2
Share
Embed
Copy iframe code
Copy JS code
Copy link
Start on current slide
レビュー評価4.7の秘密 / The Secret To A Better Reputation
punchdrunker
June 29, 2018
More Decks by punchdrunker
See All by punchdrunker
Kotlin2.0以降の新機能
punchdrunker
0
64
DnD in Compose
punchdrunker
0
350
what's new in Material Design で気になったトピック
punchdrunker
1
650
7カ国語に対応したサービスでの翻訳管理システムの改善事例
punchdrunker
1
1.7k
Java Bytecode Vertical Tasting
punchdrunker
2
1.6k
getting started with dark theme
punchdrunker
2
1.1k
Practical Activity Transition in Android
punchdrunker
0
1.3k
今時のProgress indicator / Replacing ProgressDialog with ProgressBar
punchdrunker
0
750
Dynamic Feature Modules 入門
punchdrunker
2
2.8k
Other Decks in Technology
See All in Technology
Oracle Cloud Infrastructure IaaS 新機能アップデート 2026/6 - 2026/8
oracle4engineer
PRO
0
140
OpenTelemetryのメトリクスをCloudWatchに送ってPromQLで見てみた
ota1022
0
120
AI時代だからこそ、スケールしないことをやろう
yutashigemura
1
130
生成AIのテナント制御とシャドーMCP対策 | AIを"止めずに"、情報を守る
yukun
0
140
『止めない』を設計する — 制約の中で、事業の根幹を支える判断
hiroyaterui
0
250
#jawssonic2026 あの時代が悪かった ~動かなかったSageMakerと共に迎えたイベント当日~
ktkn1129
0
140
2026-09-10 【Snowflake World Tour Tokyo 2026】dbt Core と Snowflake で実現する多層的なデータガバナンス / Multi-Layered Data Governance Powered by dbt Core and Snowflake
civitaspo
0
290
AIで開発は速くなったのに、なぜ現場は楽にならないのか 〜あなたの組織のボトルネックを突き止めるワークショップ〜
jacopen
1
310
HRC_Frontend_Conference_Fukuoka_2026.pdf
ts020
0
280
Sigmaで作る業務アプリ
kazushiro_honma
0
110
Snowflakeで実現する全社横断の顧客の声(VOC)分析・活用基盤@Snowflake World Tour Tokyo 2026
yuto16
0
150
PfEingのアプローチで働こう
rindrics
0
210
Featured
See All Featured
Visual Storytelling: How to be a Superhuman Communicator
reverentgeek
2
660
The B2B funnel & how to create a winning content strategy
katarinadahlin
PRO
1
510
Music & Morning Musume
bryan
47
7.4k
The innovator’s Mindset - Leading Through an Era of Exponential Change - McGill University 2025
jdejongh
PRO
1
320
Into the Great Unknown - MozCon
thekraken
41
2.7k
Leadership Guide Workshop - DevTernity 2021
reverentgeek
1
370
From Legacy to Launchpad: Building Startup-Ready Communities
dugsong
0
330
Lightning talk: Run Django tests with GitHub Actions
sabderemane
0
250
Designing for Performance
lara
611
70k
Money Talks: Using Revenue to Get Sh*t Done
nikkihalliwell
0
490
Navigating the moral maze — ethical principles for Al-driven product design
skipperchong
2
520
Designing for Timeless Needs
cassininazir
1
470
Transcript
ϨϏϡʔධՁ 4.7ͷൿີ by punchdrunker
ࣗݾհ → Android > iOS > Rails → DroidKaigiͱ͔shibuya.apkӡӦ
ΈͯͶͷϨϏϡʔධՁ → App Store 4.6 → Google Play 4.7
͜͜1Ҏ্ ͣͬͱ4.5Ҏ্
ΈͯͶΛͬͯ͘Ε͍ͯΔਓୡ → ͓͞Μɺ͓͞Μ → ͓͍ͪ͡ΌΜɺ͓͋ͪΌΜ → ੰͷΈͳ͞Μ → ࣗͨͪ։ൃϝϯόʔ PO͕Ұ൪ͷϔϏʔϢʔβʔ
༷ΛܾΊΔਓ͕طଘͷ ༷ʹҰ൪ৄ͍͠
ͳʹͱ͋ΕCSରԠ → ରԠϝϯόʔ 5໊ (ؚ݉Ή) → γϑτΛΜͰຖରԠ → ෆ۩߹ใࠂͷϨϏϡʔͳͲඞͣฦ৴ →
͍߹Θ͕ͤଟ͍ͷϔϧϓʹه → ͕গͳ͔ͬͨͱͯ͠ෆ۩߹ͷ༰ʹΑͬͯ ༏ઌతʹରԠ
ग़དྷ͕ͨ࣌ೲظ
ྑ͍αʔϏεCSॆ࣮ ͍ͯ͠Δ
Θ͔Βͳ͍͜ͱͲΜͲΜฉ͜͏ → ϥΠϒϥϦͷதͰΫϥογϡ → issueυΩϡϝϯτΛ֬ೝ → ݟ͔ͭΒͳ͚Εฉ͘ → Կ͔͠ΒͷԠઈରΒ͑Δ →
υΩϡϝϯτʹෆඋ͕͋Εߋ৽ͯ͠Β͑Δ
࠷ۙ͋ͬͨRealmͷΫϥογϡ → realmϑΝΠϧͷϩʔυ࣌ʹΫϥογϡ → ಉ͡Τϥʔͷissueൃݟ → ΊͬͪΌεϨου৳ͼͯΔ → ݁ہͲ͏ͳͬͨͷ͔Α͘Θ͔ΒΜ
None
3Ͱղܾͨ͠
ରԠํ → յΕͯ͠·ͬͨΒϦΧόʔͰ͖ͳ͍ → ԿͰյΕͨͷ͔ௐΔͷແཧͦ͏ → ྫ֎ัଊͯ͠DB࡞Γ͔͢͠ͳ͍ ͍realmΩϟογϡΘΓʹ͍ͬͯͨͷͰɺ ΩϟογϡΛ࡞Γ͢͜ͱʹ
Crash free rate → ఆظతʹνΣοΫ → ຖिͷ։ൃఆྫ → ϦϦʔεޙ 99.9%Ҏ্Λҡ࣋͢ΔΑ͏ʹ৺ֻ͚͍ͯΔ͕ɺ࠷ۙ
Ҋ݅ͷϦϦʔεʹԡ͞Εͯௐؾຯɻɻɻ
MDCରԠ ࣮Material DesignରԠશવͬͯͳͯ͘ɺϘλϯ ʹripple effect͕͋Δ͘Β͍ɻ ϫέ͋ͬͯFABແ͍Ͱ͢ɻ
Mitene's Developer Experience
None
Developer Experience (DX) ৭ʑͳจ຺ͰΘΕΔݴ༿Ͱ͕͢ɺࠓͷจ຺Ͱ ։ൃۀΛ ମݧͱͯ͠ଊ͑ɺࣗͨͪͷੜ࢈ੑΛվ ળ͢ΔͨΊͷج४ ͱ͓ͯ͠͠͠·͢ɻ
ྑ͍ UX
ར༻ମݧʹ಄Ͱ͖ ͯɺؾ͕͚͍ͭͭ ͦͷΞϓϦΛ͍ͬͯ Δ
ྑ͍ DX
࣌ؒΛΕͯ։ൃʹ಄ Ͱ͖Δ
ѱ͍ DXͷྫ → ϝϞϦ͕4GB͔͠ੵΊͳ͍ → ίϛοτ͢Δͷʹ্࢘ͷϋϯί͕ඞཁ → ͍ͭෆ۩߹Λग़ͯ͠͠·ͬͨͷ͔Θ͔Βͳ͍ → ͪΐͬͱ৭Λม͍͚͑ͨͩͳͷʹɺͲ͜Λ͍͡Ε
ྑ͍ͷ͔ෆ໌
ྑ͍ DXͷྫ → ͖ͳOSɺεϖοΫΛબΔ → GithubͰؾܰʹϨϏϡʔґཔɺमਖ਼ରԠ͕Ͱ͖Δ → ίϛοτ୯ҐͰςετ͕͍ࣦͭഊ͔ͨ͠ѲͰ͖ Δ →
ؾܰʹػೳՃͰ͖Δ
͖͞΄ͲͷRealmͷྫ ։ൃπʔϧͷUXͱݴ͑Δ → OSSͳͷͰ෦͕Θ͔Δ → υΩϡϝϯτ͕ॆ࣮ → issuePR͕׆ൃͳͷͰώϯτΛݟ͚͍ͭ͢ → ͍߹ΘͤͷԠ͕ͯ͘త֬
վળͨ͠DX
Dangerಋೖ lintͷࢦఠϑΝΠϧͷमਖ਼࿙ΕͳͲΛGithubͷPR্ Ͱࢦఠͯ͘͠ΕΔbot(ruby) → ͜ͷstring͏ͬͯͳ͍Α → ͜ͷϑΝΠϧमਖ਼͞Εͯͳ͍͚Ͳେৎ? → ςετՃ͞Εͯͳ͍͚Ͳେৎ? →
ࠩେ͖͗ͯ͢ϨϏϡʔͰ͖ͳ͍Α
ݴޠϥΠϒϥϦͷΞοϓσʔτ ӨڹൣғΛߜΓ͍͢ͷͰɺۀҕୗ࢝͠Ί͍ͯΔ → SwiftͷCodableͱ͔ɺKotlin KTXͱ͔γϡοͱ͍ ͍ͨ → ࠷৽ͷػೳ͕͑Δͱ ςϯγϣϯ্͕Δ →
GCM2.0͔ΒFCMͷΞοϓσʔτͱ͔5·ͨ͗ͷ ϥΠϒϥϦߋ৽ ؾ͕໓ೖΔ
MVVMಋೖ → େ͖ͳػೳՃͷલʹઃܭΛݟͨ͠ → Ͳ͜ʹͲΜͳΫϥεΛஔ͚ྑ͍͔໎Θͳ͘ͳͬ ͨ → ςετ͕ॻ͖͘͢ͳͬͨ
πʔϧڥͷݟ͠ → ཧΧϯόϯ͔ΒTrello Ҡߦ → Android Studiuo ʹUbuntu͕࠷ͰίεύΑ ͔ͬͨ →
Ruby Mine ࠷ߴ → Circle CI 2.0ରԠͰςετര
ΧϯϑΝϨϯεࢀՃ → ৽͍ࣝ͠ɺग़ձ͍
ΧϯϑΝϨϯεࢀՃ → ৽͍ࣝ͠ɺग़ձ͍ → ࣮ફͨ͘͠ͳΔ
ΧϯϑΝϨϯεࢀՃ → ৽͍ࣝ͠ɺग़ձ͍ → ࣮ફͨ͘͠ͳΔ → ؤுͬͯຊ൪ೖ͢Δ
ΧϯϑΝϨϯεࢀՃ → ৽͍ࣝ͠ɺग़ձ͍ → ࣮ફͨ͘͠ͳΔ → ؤுͬͯຊ൪ೖ͢Δ → ·ͨߦ͔ͤͯΒ͑Δ
ΧϯϑΝϨϯεࢀՃ → ৽͍ࣝ͠ɺग़ձ͍ → ࣮ફͨ͘͠ͳΔ → ؤுͬͯຊ൪ೖ͢Δ → ·ͨߦ͔ͤͯΒ͑Δ →
ϚΠϧ͕ஷ·Δ ✈
࣮ࡍʹ͋ͬͨ ѱ͍DX
͜ͷਓ໘͔ͩΒͳʙɺ ϨϏϡʔͷࢦఠ࠷খݶ ʹ͠Α͏
HRTͷݪଇ (Team GeakΑΓ) ΊͪΌͪ͘ΌॏཁͳͷʹηϯγςΟϒͳͷͰվળ͢ Δͷɺ৺ཧతʹ͔ͳΓେมɻ → Humility: ݠڏ → Respect:
ଚܟ → Trust: ৴པ
։ൃڥͩͱ͋Μ·Γྑ ͍σʔλͳ͍͔Βຊ൪Ͱ Ζ͏
։ൃڥվળ ਖ਼ݴͬͯɺվળ్্ɻՈͷࣸਅಈըΛѻ͏ αʔϏεͳͷͰɺσόοά༻ͷը૾ͱ͔͚ͩͩͱ࣮ ࡍͷར༻ΠϝʔδΛҙࣝ͠ͳ͕Β࡞Εͳ͍ɻ
Ұॹʹ՝ղܾͯ͘͠Ε ΔਓΛืू͍ͯ͠·͢
FIN