Lock in $30 Savings on PRO—Offer Ends Soon! ⏳
Speaker Deck
Features
Speaker Deck
PRO
Sign in
Sign up for free
Search
Search
KotlinとReduxをAndroidアプリに導入したら
Search
Fukui Atsuko
September 01, 2017
Technology
6
4.7k
KotlinとReduxをAndroidアプリに導入したら
KotlinとReduxをAndroidアプリに導入したら
KotlinとReduxをAndroidアプリに導入して得られた知見を共有します。
Fukui Atsuko
September 01, 2017
Tweet
Share
More Decks by Fukui Atsuko
See All by Fukui Atsuko
こんな時どう書くの? 逆引きKotlin入門
muumuumuumuu
3
1.5k
Kotlin導入作戦
muumuumuumuu
4
560
Sometimes Swift confuses Kotlin engineers.
muumuumuumuu
0
670
How to find problem causes and performance improvement
muumuumuumuu
6
4.3k
Other Decks in Technology
See All in Technology
SREには開発組織全体で向き合う
koh_naga
0
410
通勤手当申請チェックエージェント開発のリアル
whisaiyo
3
330
プロンプトやエージェントを自動的に作る方法
shibuiwilliam
15
16k
mairuでつくるクレデンシャルレス開発環境 / Credential-less development environment using Mailru
mirakui
5
580
AIBuildersDay_track_A_iidaxs
iidaxs
4
930
Amazon Connect アップデート! AIエージェントにMCPツールを設定してみた!
ysuzuki
0
120
AWS Security Agentの紹介/introducing-aws-security-agent
tomoki10
0
380
Snowflake導入から1年、LayerXのデータ活用の現在 / One Year into Snowflake: How LayerX Uses Data Today
civitaspo
0
1.7k
特別捜査官等研修会
nomizone
0
520
普段使ってるClaude Skillsの紹介(by Notebooklm)
zerebom
6
1.8k
AIの長期記憶と短期記憶の違いについてAgentCoreを例に深掘ってみた
yakumo
4
470
AWS re:Invent 2025~初参加の成果と学び~
kubomasataka
0
170
Featured
See All Featured
Visual Storytelling: How to be a Superhuman Communicator
reverentgeek
2
390
Agile Actions for Facilitating Distributed Teams - ADO2019
mkilby
0
88
Chasing Engaging Ingredients in Design
codingconduct
0
78
Taking LLMs out of the black box: A practical guide to human-in-the-loop distillation
inesmontani
PRO
3
1.9k
Building a A Zero-Code AI SEO Workflow
portentint
PRO
0
190
The Anti-SEO Checklist Checklist. Pubcon Cyber Week
ryanjones
0
23
The Web Performance Landscape in 2024 [PerfNow 2024]
tammyeverts
12
980
Jess Joyce - The Pitfalls of Following Frameworks
techseoconnect
PRO
1
23
Max Prin - Stacking Signals: How International SEO Comes Together (And Falls Apart)
techseoconnect
PRO
0
48
How to audit for AI Accessibility on your Front & Back End
davetheseo
0
120
Testing 201, or: Great Expectations
jmmastey
46
7.8k
No one is an island. Learnings from fostering a developers community.
thoeni
21
3.6k
Transcript
,PUMJOͱ3FEVYΛ "OESPJEΞϓϦʹಋೖͨ͠Β 3FUUZ5FDI/JHIU!3FUUZΦϑΟε
"CPVUNF • Ҫರࢠ / Fukui Atsuko • @muumuumuumuu • Retty,
Inc. • AndroidΤϯδχΞ • ͦͷલΈࠐΈܥAndroidͷ͓ࣄ
ࠃ/P໊࣮άϧϝαʔϏε3FUUZͷӡӦ ઃཱ XFCͱΞϓϦͰαʔϏεల։ γϯάϧυϝΠϯ εϚϗϑΝʔετ ݄ؒར༻ऀສ
ͦΜͳ3FUUZͷ "OESPJEνʔϜ͕࠷ۙࢼ͍ͯ͠Δ ,PUMJOͱ3FEVYͷΈ߹Θͤ ʹ͍͓ͭͯ͠͠·͢ɻ
"HFOEB • લఏࣝ: Kotlin / Redux ʹ͍ͭͯ • ಘΒΕͨݟ •
·ͩΜͰ͍Δ෦
,PUMJO
,PUMJO • 2011ʹJetBrain͔ࣾΒൃද͞Εͨϓϩάϥ ϛϯάݴޠ • Better Java ͳݴޠ • JavaͱڞଘՄೳ
• ؔܕϓϩάϥϛϯάͷελΠϧΛαϙʔτ • ͔Θ͍͍
3FEVY
3FEVY • React js ͔Βग़͖ͯͨઃܭࢥ • Three Principles • Single
source of truth • State is read-only • Changes are made with pure functions
3FEVY
ಋೖʹ͋ͨͬͯ
3FEVY-JCSBSZ • ࣾͰ࡞ͬͯެ։͠·ͨ͠ • https://github.com/RettyEng/redux-kt • ReSwiftΛϦεϖΫτ • طଘͷLibraryݕ౼͚ͨ͠ͲσϑΝΫτ͕ͳ ͍ঢ়ଶ
%FNP
3FEVY
͠Β͘ࢼͯ͠ಘΒΕͨݟ
͕͜͜خ͍͠ • Activity/Fragment/ViewΛލ͍ͰใΛڞ༗ Ͱ͖Δ • StateͷมߋΛ͢Δ෦͕Viewͷߋ৽ͷ ͔ΒશʹͰ͖Δ • View͕Ͳ͏มΘΔ͔ؔ৺ͷର֎ •
APIίʔϧΛͨͣը໘දࣔͰ͖Δ
͍͍ͯΔαʔϏε • ෳͷը໘ͰใΛڞ༗͍ͯ͠Δ • ը໘ભҠͷύλʔϯ͕ෳ͋Δ
͍͍ͯͳ͍αʔϏε • ΞϓϦ֎͔ΒϦΞϧλΠϜʹใ͕มΘΓ͏ Δ • ෆشൃใΛͨ͘͞Μѻ͏ඞཁ͕͋Δ • State͕͖࣋ͭใͷαΠζ͕େ͖͍
,PUMJOͱ૬ੑͷྑ͞ • Stateͷ͕࣋ͭnullڐ༰͔Ͳ͏͔ίʔυͰࣔ ͤΔ • Viewଆͷίʔυ͕ॻ͖͍͢
,PUMJOͱ૬ੑͷྑ͞ • Test͕ॻ͖͍͢ • Reducer͕७ਮؔͳͷͰmockͳ͠Ͱςε τ͕ॻ͚Δ
,PUMJOͱ૬ੑͷྑ͞ • Stateͷૢ࡞͕ॻ͖͍͢ • dataΫϥεͷcopy()ϝιουͰมߋ͢ΔՕॴ Λ໌ࣔతʹࢦఆͰ͖Δ
·ͩΜͰ͍Δͱ͜Ζ
4UBUFͷ࣋ͪํ • ͲͷใΛͲ͏͍͏෩ʹStateͱͯ͠อ࣋͢Δ ͔ͱͯΉ • ͓ͦΒ͘ਖ਼ղͳ͍ • αʔϏεΞϓϦʹΑͬͯมΘͬͯ͘Δ • Ͱ։ൃऀؒͰ͋Δఔҙࣝ߹Θ͕ͤඞཁ
4UBUFͷੜଘظؒ • Applicationͱಉ͡ʢΦϯϝϞϦͳใʣ • όοΫάϥϯυʹճͬͨ࣌ʹΞϓϦϓϩηε ͕kill͞ΕΔͱҰॹʹใ͕ࣦΘΕΔ • ͍ࣦͭΘΕ͍͍ͯใ͔͠ࡌͤͳ͍ • SharedPreference͔αʔόʹୀආ͢Δ
ϝϞϦੜଘظؒ • Application͕ੜ͖͍ͯΔݶΓղ์͞Εͳ͍ ϝϞϦͨͪ • Rettyॏ͍ͨσʔλΛอ࣋͢Δέʔε͕ͳ͍ ͷͰࠓͷॴେৎ
·ͱΊ
·ͱΊ • Kotlin / Redux ͷΈ߹ΘͤΛಋೖͯ֓͠Ͷ ѱ͍ͱ͜ΖݟͨΒͣͤͰ͢ • ͨͩ͠αʔϏεͷੑ࣭ͱѻ͏σʔλʹΑΓ· ͢
• Ұࢼͯ͠ΈΔͷΞϦʂ • ͥͻLibraryͬͯΈ͍ͯͩ͘͞ʂ٩( 'ω' )و
͋Γ͕ͱ͏͍͟͝·ͨ͠ʂ
͔͜͜Βઌ͕࣌ؒ͋Ε
'MVYʹ͠Α͏͔Ή • Reduxͱಉ͘͡σʔλͷྲྀΕ͕Ұํ௨ߦ • ReduxFlux͔Βੜͨ͠ߟ͑ํ • ͨͩ͠StoreΛෳ࣋ͪ͏Δ
'MVYʹ͠Α͏͔Ή • ActivityΛލ͕ͳ͍͚ͲɺෳͷView Component ͰใΛڞ༗͍ͨ͠ • ΞϓϦશମͷStoreʹͷͤΔใͱͯ͠ෆదͳ ؾ͕͢Δ • ୯Ұػೳ͚ͩͰ͔͠Θͳ͍Store͕ཉ͘͠ͳΔ
• ੜଘظؒActivityʹ߹ΘͤΒΕΔͷͰίϯτ ϩʔϧ͍͢͠