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
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
1.4k
Kotlin導入作戦
muumuumuumuu
4
540
Sometimes Swift confuses Kotlin engineers.
muumuumuumuu
0
670
How to find problem causes and performance improvement
muumuumuumuu
6
4.2k
Other Decks in Technology
See All in Technology
Cursor Meetup Tokyo
iamshunta
2
510
人とAIとの共創を夢見た2か月 #共創AIミートアップ / Co-Creation with Keito-chan
kondoyuko
1
710
Houtou.pm #1
papix
0
660
2025advance01
minamizaki
0
130
mnt_data_とは?ChatGPTコード実行環境を深堀りしてみた
icck
0
210
Introduction to Bill One Development Engineer
sansan33
PRO
0
240
Swiftは最高だよの話
yuukiw00w
2
290
令和最新版TypeScriptでのnpmパッケージ開発
lycorptech_jp
PRO
0
110
ゴリラ.vim #36 ~ Vim x SNS ~ スポンサーセッション
yasunori0418
1
350
Machine Intelligence for Vision, Language, and Actions
keio_smilab
PRO
0
490
他チームへ越境したら、生データ提供ソリューションのクエリ費用95%削減へ繋がった話 / Cross-Team Impact: 95% Off Raw Data Query Costs
yamamotoyuta
0
240
libsyncrpcってなに?
uhyo
0
150
Featured
See All Featured
Designing Experiences People Love
moore
142
24k
個人開発の失敗を避けるイケてる考え方 / tips for indie hackers
panda_program
106
19k
How GitHub (no longer) Works
holman
314
140k
Gamification - CAS2011
davidbonilla
81
5.3k
Adopting Sorbet at Scale
ufuk
76
9.4k
The Success of Rails: Ensuring Growth for the Next 100 Years
eileencodes
45
7.3k
The World Runs on Bad Software
bkeepers
PRO
68
11k
Fontdeck: Realign not Redesign
paulrobertlloyd
84
5.5k
Measuring & Analyzing Core Web Vitals
bluesmoon
7
460
The Language of Interfaces
destraynor
158
25k
What's in a price? How to price your products and services
michaelherold
245
12k
Mobile First: as difficult as doing things right
swwweet
223
9.6k
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