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
BLoC
Search
Shinnosuke Kugimiya
May 31, 2018
Programming
9
1.6k
BLoC
flutter meetup #2の資料です
Shinnosuke Kugimiya
May 31, 2018
Tweet
Share
More Decks by Shinnosuke Kugimiya
See All by Shinnosuke Kugimiya
AndroidアプリエンジニアもMCPを触ろう
kgmyshin
2
690
15分で分かった気になる dumpsys
kgmyshin
1
210
UIテストはもうMaestroでいいのかもしれない話
kgmyshin
28
13k
新規開発を始めるときにやるべきこと
kgmyshin
19
8.9k
android app error handling
kgmyshin
1
1.4k
solid+cqs+dry
kgmyshin
35
10k
Paging Library ~ アイテムの更新 ~
kgmyshin
2
3.3k
KotlinでReact Native(expo) を使いたい
kgmyshin
2
1.1k
新規チームで新規開発を始める時にやること
kgmyshin
40
9.2k
Other Decks in Programming
See All in Programming
Beyond_the_Prompt__Evaluating__Testing__and_Securing_LLM_Applications.pdf
meteatamel
0
120
イベントソーシングとAIの親和性ー物語とLLMに理解できるデータ
tomohisa
0
130
iOSアプリで測る!名古屋駅までの 方向と距離
ryunakayama
0
160
コンポーネントライブラリで実現する、アクセシビリティの正しい実装パターン
schktjm
1
120
ComposeでのPicture in Picture
takathemax
0
150
クラス設計の手順
akikogoto
0
140
Embracing Ruby magic
vinistock
2
300
2025-04-25 GitHub Copilot Agent ライブデモ(スクリプト)
goataka
0
130
ビカム・ア・コパイロット
ymd65536
1
170
生成AI時代のフルスタック開発
kenn
8
1k
技術的負債と戦略的に戦わざるを得ない場合のオブザーバビリティ活用術 / Leveraging Observability When Strategically Dealing with Technical Debt
yoshiyoshifujii
0
100
DevDay2025-OracleDatabase-kernel-addressing-history
oracle4engineer
PRO
1
120
Featured
See All Featured
Agile that works and the tools we love
rasmusluckow
329
21k
Exploring the Power of Turbo Streams & Action Cable | RailsConf2023
kevinliebholz
32
5.8k
Optimizing for Happiness
mojombo
378
70k
CoffeeScript is Beautiful & I Never Want to Write Plain JavaScript Again
sstephenson
160
15k
Responsive Adventures: Dirty Tricks From The Dark Corners of Front-End
smashingmag
251
21k
RailsConf 2023
tenderlove
30
1.1k
Learning to Love Humans: Emotional Interface Design
aarron
273
40k
Easily Structure & Communicate Ideas using Wireframe
afnizarnur
194
16k
Testing 201, or: Great Expectations
jmmastey
42
7.5k
Automating Front-end Workflow
addyosmani
1370
200k
Visualization
eitanlees
146
16k
Art, The Web, and Tiny UX
lynnandtonic
298
21k
Transcript
© DMM.com !LHNZTIJO 'MVUUFS.FFUVQ5PLZP #-P$
© DMM.com w LHNZTIJOఝٶ ͗͘Έ w "OESPJEΤϯδχΞ w %..DPNϥϘ$50ࣨॴଐ
w ݄͔Β ࣗݾհ
© DMM.com BHFOEB
© DMM.com w #-P$ͱ w #-P$ͷΨΠυϥΠϯ w #-P$ͱ6* w #-P$ͷྫ
w 'MVUUFSͰͷ͍ํ w ·ͱΊ BHFOEB
© DMM.com #-P$ͱ
© DMM.com #-P$ͱ Business Logic Component
© DMM.com #-P$ͱ ͕ࣗͬͨͷ(PPHMF*0ͰͷԼهͷηογϣϯ Build reactive mobile apps with
Flutter IUUQTXXXZPVUVCFDPNXBUDI W34H#&Q0*
© DMM.com #-P$ͱ ࣮ࡍ݄ʹ%BSU$POGͷ ԼهͷηογϣϯͰൃද͞Ε͍ͯΔ Flutter / AngularDart –
Code sharing, better together IUUQTXXXZPVUVCFDPNXBUDI W1-)MOX)H1&
© DMM.com #-P$ͱ ϏδωεϩδοΫΛ UIϓϥοτϑΥʔϜ͔Β ͢ΔͨΊͷ ઃܭύλʔϯͷҰͭ ҰݴͰݴ͏ͱ Ͱ͋Δ
© DMM.com #-P$ͷϞνϕʔγϣϯ 6* .PEFM *OGSB ͜͏͍͏ঢ়ଶΛ .PEFM .PEFM
.PEFM
© DMM.com #-P$ͷϞνϕʔγϣϯ 6* .PEFM *OGSB ͜͏͍ͨ͠ 91MBUGPSN"EBQUFS
© DMM.com #-P$ͷΨΠυϥΠϯ
© DMM.com #-P$ͷΨΠυϥΠϯ JOQVUTBOEPVUQVUTBSFTJNQMF4USFBNT4JOLTPOMZ %FQFOEFODJFTNVTUCFJOKFDUBCMFBOEQMBUGPSN BHOPTUJD
/PQMBUGPSNCSBODIJOHBMMPXFE *NQMFNFOUBUJPODBOCFXIBUFWFSZPVXBOUJGZPV GPMMPXUIFQSFWJPVTSVMFT " #VUNBZ*TVHHFTUSFBDUJWFQSPHSBNNJOH
© DMM.com #-P$ͷΨΠυϥΠϯ JOQVU4JOLɺPVUQVU4USFBNͰ࣮͢Δ ґଘΦϒδΣΫτ֎͔ΒೖՄೳͰɺϓϥοτ ϑΥʔϜʹґଘ͠ͳ͍ͷͰ͋Δ͜ͱ
ϓϥοτϑΥʔϜͷذμϝ dΛकͬͯΕɺ࣮ͳΜͰ͍͍Α ͨͩ͠ɺ3FBDUJWF1SPHSBNNJOHͰΉͷ͕͓͢͢ΊͩΑ
© DMM.com #-P$ͱ6*ͷܨ͗
© DMM.com #-P$ͱ6*ͷܨ͗ &BDIDPNQMFYFOPVHIDPNQPOFOUIBTB DPSSFTQPOEJOH#-P$ $PNQPOFOUTTIPVMETFOEJOQVUTBTJTz
$PNQPOFOUTTIPVMETIPXPVUQVUTBTDMPTFBT QPTTJCMFUPBTJTz "MMCSBODIJOHTIPVMECFCBTFEPOTJNQMF#-P$ CPPMFBOPVUQVUT
© DMM.com #-P$ͷΨΠυϥΠϯ ͦΕͧΕͷzेʹෳࡶͳzίϯϙʔωϯτʹ#-P$ ͕Ұͭ͋Δʢzेʹෳࡶͳzͷ߹͍֤ࣗͰஅʣ JOQVUʹૹΔσʔλBTJTͰ
PVUQVUʹྲྀ͢ετϦʔϜͰ͖Δ͚ͩlBTJTzͰ ͯ͢ͷذ#-P$ʹΑΔ#PPMFBOͳΞτϓοτ ʹج͖ͮ͘Ͱ͋Δ
© DMM.com #-P$ͷྫ
© DMM.com #-P$ͷྫ class CartBLoC { Sink<Product> addition; Stream<int>
itemCount; Stream<String> totalCost; Stream<List<CartItem>> items; }
© DMM.com #-P$ͷྫ class CartBLoC { Sink<Product> addition; Stream<int>
itemCount; Stream<String> totalCost; Stream<List<CartItem>> items; } 1SPEVDU͕Ճ͞ΕΔͱ
© DMM.com #-P$ͷྫ class CartBLoC { Sink<Product> addition; Stream<int>
itemCount; Stream<String> totalCost; Stream<List<CartItem>> items; } ͦΕͧΕͷ4USFBN͔Β݁Ռ͕ྲྀΕΔ
© DMM.com 'MVUUFSͰͷ͍ํ
© DMM.com JOQVUͷܨ͛ํ TextField( onChanged: bloc.sink.add, decoration: InputDecoration( border:
OutlineInputBorder(), ɹɹɹ hintText: “hint"), )
© DMM.com JOQVUͷܨ͛ํ TextField( onChanged: bloc.sink.add, decoration: InputDecoration( border:
OutlineInputBorder(), ɹɹɹ hintText: “hint"), ) ΠϕϯτͱTJOLBEEΛόΠϯυ͢Δ͚ͩ
© DMM.com PVUQVUΛ6*ʹͭͳ͛Δํ๏ StreamBuilder<String>( stream: bloc.stream, builder: (context, snapshot)
=> Container( child: Text(snapshot?.data ?? ""), ), )
© DMM.com PVUQVUΛ6*ʹͭͳ͛Δํ๏ StreamBuilder<String>( stream: bloc.stream, builder: (context, snapshot)
=> Container( child: Text(snapshot?.data ?? ""), ), ) 4USFBN#VJMEFS͏͚ͩ
© DMM.com ·ͱΊ
© DMM.com w #-P$6*ͱ.PEFMͱ*OGSBΛ͚Δ͜ͱͱɺΫϩε ϓϥοτϑΥʔϜͷίʔυγΣΞΛϞνϕʔγϣϯ ʹੜ·Εͨ w कΔ͖ΨΠυϥΠϯ͕͋Δ w
'MVUUFSͰ w JOQVUΛૹΔͱ͜ΖͰTJOLBEEΛόΠϯυ͢Δ w PVUQVUΛTVCTDSJCF͢Δʹ4USFBN#VJMEFSΛ͏ ·ͱΊ