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
WebViewを使って面倒なことから逃げよう
Search
Yu Watanabe
August 31, 2018
Programming
2.1k
1
Share
Embed
Copy iframe code
Copy JS code
Copy link
Start on current slide
WebViewを使って面倒なことから逃げよう
WebViewで面倒なコンポーネントを対応しませんか?
リポジトリはこちら ->
https://github.com/watanabeyu/webview-example
Yu Watanabe
August 31, 2018
More Decks by Yu Watanabe
See All by Yu Watanabe
依存ライブラリを薄くするために車輪を再開発してもいいんだよ🛞
watanabeyu
0
160
Bolt 🤝 Expo
watanabeyu
0
420
npm packageとリリースとモノレポ
watanabeyu
0
87
react-native-ffmpegを使って動画をいじくりmawasou
watanabeyu
0
1k
react-native-unimodulesを用いてのApp内課金実装
watanabeyu
0
1.2k
gandhの紹介です
watanabeyu
0
53
XcodeやAndroid Studioを弄らないアイコン管理
watanabeyu
2
720
Firebaseオンリー + React Nativeでアプリを作ると果たして簡単になるのか?
watanabeyu
4
1.3k
react-native-unimodulesのススメ
watanabeyu
1
6.7k
Other Decks in Programming
See All in Programming
【やさしく解説 設計編・中級 #4】ルールの寿命と、システムの年輪
panda728
PRO
2
180
作るコストが小さくなった時代 幸せに働くために改めて考えたいこと 〜エンジニアとして価値を出し続けるために注視している二分野〜
yuppeeng
0
190
ソフトウェア設計に溶けるインフラ ― AWS CDK のインフラ認識論
konokenj
3
750
使用 Meilisearch 建立新聞搜尋工具
johnroyer
0
230
What's New in Android 2026
veronikapj
0
250
わからない話を追いかけたら、プログラミング言語を作る側にいた
ydah
3
460
型も通る、synthも通る、それでも危ない 〜AIのCDKの権限とコストを機械で検証する〜 / It Passes Type Checks, It Passes Synth Checks, but It’s Still Risky — Automatically Verifying Permissions and Costs in AI’s CDK —
seike460
PRO
1
530
夏だ!祭りだ!祭りとはドメインモデリングでは?
ryugen04
0
160
Apache Hive: そしてCloud Native Lakehouseへ
okumin
1
210
琵琶湖の水は止められてもNet--HTTPのリトライは止められない / You might be able to stop the water flow of Lake Biwa but you can't stop Net::HTTP retries
luccafort
PRO
0
590
テーブルをDELETEした
yuzneri
0
140
ドリフトを絶対に許さない(?)CDK運用 / CDK Ops with Zero Tolerance for Drifts (?)
akihisaikeda
1
170
Featured
See All Featured
Building Adaptive Systems
keathley
44
3.2k
For a Future-Friendly Web
brad_frost
183
10k
DevOps and Value Stream Thinking: Enabling flow, efficiency and business value
helenjbeal
1
300
AI Search: Where Are We & What Can We Do About It?
aleyda
0
7.8k
Git: the NoSQL Database
bkeepers
PRO
432
67k
Cheating the UX When There Is Nothing More to Optimize - PixelPioneers
stephaniewalter
287
14k
Applied NLP in the Age of Generative AI
inesmontani
PRO
4
2.4k
Lessons Learnt from Crawling 1000+ Websites
charlesmeaden
PRO
1
1.5k
GraphQLとの向き合い方2022年版
quramy
50
15k
How to make the Groovebox
asonas
2
2.3k
Noah Learner - AI + Me: how we built a GSC Bulk Export data pipeline
techseoconnect
PRO
0
350
A designer walks into a library…
pauljervisheath
211
24k
Transcript
2018/08/31 ΘͨͳΏ͏ WEBVIEWΛͬͯ໘ͳ͜ͱ͔Βಀ͛Α͏
▸ ࣗݾհ ▸ WebViewͬͯ·͔͢ʁ ▸ WebViewΛԿʹ׆͔͔͢ʁ ▸ QRը૾ͷσίʔυ ▸ άϥϑΛදࣔ͠Α͏
▸ πΠʔτϖʔδΛදࣔ͠Α͏ ▸ ԻݯཧஂମͷαΠτ͔ΒཧίʔυΛऔಘ͠Α͏ ▸ WebViewͷΫοΩʔআํ๏ ▸ ·ͱΊ ֓ཁ
ࣗݾհ ΘͨͳΏ͏ ▸ ॴଐ ▸ גࣜձࣾg&h ▸ Web / ΞϓϦΛझຯͰެ։
▸ ࣄ༰ ▸ αʔό / ϑϩϯτ / ΞϓϦ / Web ▸ ΞΧϯτ ▸ Twitter : @hmktsu ▸ Github : @watanabeyu
▸ WebViewͬͯԿ͕Ͱ͖Δͷʁ ▸ URLͰࢦఆͨ͠ϖʔδ ▸ <p>hoge</p>Έ͍ͨͳܗͷจࣈྻ ▸ ϩʔΧϧͷHTMLϑΝΠϧ ▸ ͳΜͱͳ͍ͮ͘Β͍ҹ
▸ WebViewΛ͏࠷େͷར ▸ HTMLΛจࣈྻͰͤΔͷͰಈతʹHTMLΛ࡞ΕΔ ▸ JSΛͪ͜Β͔Βࠩ͠ࠐΜͰ࣮ߦͰ͖Δ(injectJavaScript) ▸ ಡΈࠐΜͩHTML͔ΒจࣈྻΛड͚औΕΔ(postMessage,onMessage) ▸ →Կ͔ʹ׆͔͢͜ͱ͕Ͱ͖ͳ͍ͩΖ͏͔ʁ WEBVIEWͬͯ·͔͢ʁ
▸ QRը૾Λσίʔυ͍͚ͨ͠Ͳreact-native linkͨ͘͠ͳ͍ ▸ άϥϑΛදࣔ͢Δͷʹsvgͱ͔ॾʑඞཁͳͷਏ͍ ▸ twitterͷπΠʔτΛද͍ࣔͨ͠Μ͚ͩͲίϯϙʔωϯτ࡞Δͷ͕ਏ͍ ▸ ԻݯཧஂମAPI͕༻ҙ͞Εͯͳ͍͚Ͳཧίʔυऔಘ͍ͨ͠ WEBVIEWΛԿʹ׆͔͔͢ʁ
ͪΐͬͱ໘ͳ࡞ۀΛWebViewʹಀ͕ͯ͠Έ·ͤΜ͔ʁ
WEBVIEWΛͬͯ໘ͳ͜ͱ͔Βಀ͛Α͏ QRը૾ͷσίʔυ
QRը૾ͷσίʔυ(1) ▸ Χϝϥϩʔϧ͔Βը૾Λબͯ͠σίʔυ͍ͨ͠ ▸ react-native-qrcode-scannerΛ͑Α͍ ▸ react-native linkΛ͠ͳ͍ͱ͍͚ͳ͍ ▸ Expoͩͱ͑ͳ͍
▸ WebαΠτͰQRը૾ΛσίʔυͰ͖ΔαΠτ͋Δ ▸ → WebViewͰ࣮Ͱ͖Δͣ ▸ → WebViewΛ௨ͯ͠σίʔυͰ͖ΔϥΠϒϥϦΛ࡞
QRը૾ͷσίʔυ(2) ▸ react-native-qrimage-decoderΛ࡞ ▸ react-native linkΛ͢Δඞཁͳ͠ ▸ ExpoͰ͑Δ ▸ AndroidExpoͷFileSystemʹґଘ
▸ ͍ۙ͏ͪʹExpo͡Όͳͯ͘ಈ͘Α͏ʹΞοϓσʔτ…
QRը૾ͷσίʔυ(3) ▸ src/includes/ios.htmlʹͯdataURLܗࣜͰ͞Εͨը૾Λσίʔυ ▸ HTMLͰ༻͍ͯ͠ΔϥΠϒϥϦLazarSoft/jsqrcode ▸ ߦͰॲཧ͢Δ͜ͱ͕Մೳ
QRը૾ͷσίʔυ(4) ▸ src/includes/_android.jsʹͯcanvasͰը૾ΛಡΈࠐΈdataURLԽ ▸ cozmo/jsQRͰσίʔυ ▸ Android൛ͷҙ ▸ WebViewͰҰʹॲཧ͖͠ΕΔྔͷݶք͕ܾ·ͬͯΔʁ ▸
ImagePickerͰಡΈࠐΜͩը૾uriΛͦͷ··ͯ͠ಡΈࠐΜͰ͘Εͳ͍ ▸ Ұอଘ͔ͯ͠ΒͦͷuriΛ͢ඞཁ͋Γ
QRը૾ͷσίʔυ(5) σϞ
WEBVIEWΛͬͯ໘ͳ͜ͱ͔Βಀ͛Α͏ άϥϑΛදࣔ͠Α͏
άϥϑΛදࣔ͠Α͏(1) ▸ react-native-chartreact-native-pathjs-chartsͳͲ ▸ react-native linkΛ͠ͳ͍ͱ͍͚ͳ͍ ▸ react-native-svgΛ͍Εͳ͍ͱ͍͚ͳ͍ ▸ Expoͩͱ͑ͳ͍
▸ WebαΠτͰChart.jsͱ͔D3.jsͰάϥϑදࣔՄೳ ▸ → WebViewͰ࣮Ͱ͖Δͣ ▸ → ࠓճChart.jsʹ࣮ͯ
άϥϑΛදࣔ͠Α͏(2) ▸ ϓϩδΣΫτʹgraph.htmlΛ࡞ ▸ WebViewͰݺͼग़ͯ͋͛͠Εྃ
άϥϑΛදࣔ͠Α͏(3)
άϥϑΛදࣔ͠Α͏(4) σϞ
WEBVIEWΛͬͯ໘ͳ͜ͱ͔Βಀ͛Α͏ πΠʔτϖʔδΛදࣔ͠Α͏
πΠʔτϖʔδΛදࣔ͠Α͏(1) ▸ πΠʔτϖʔδͷ࣮͔ͳΓ໘ ▸ ୯७ʹࢦఆͨ͠πΠʔτͷ༰Λදࣔ͢ΔϖʔδΛ࡞ Γ͍͚ͨͩͳͷʹຒΊࠐΊͳ͍ͷਏ͍ ▸ WebαΠτͷຒΊࠐΈΟδΣοτ͍͍ͨ ▸ →
WebViewͰ࣮
πΠʔτϖʔδΛදࣔ͠Α͏(2) ▸ ຒΊࠐΈπΠʔτΛදࣔ͢ΔίʔυΛsourceͱͯ͠ࢦఆ ▸ react-native-autoreheight-webviewΛೖΕͯߴ͞ΛՄมʹ
πΠʔτϖʔδΛදࣔ͠Α͏(3) σϞ
WEBVIEWΛͬͯ໘ͳ͜ͱ͔Βಀ͛Α͏ ԻݯཧஂମͷαΠτ͔ΒొίʔυΛऔಘ͠Α͏
ԻݯཧஂମͷαΠτ͔ΒཧίʔυΛऔಘ͠Α͏(1) ▸ ձࣾͰμϯεಈըͷΞϓϦΛ։ൃத(ϦϦʔε10݄಄༧ఆ) ▸ ԻݯཧஂମͱܖΛ͢Δͱ࠶ੜͳͲΛϦετԽͯ͠ఏग़͢Δඞཁ ͋Γ ▸ ΞϓϦཧը໘ͰԻݯΛొ͢ΔࡍʹཧίʔυΛೖྗ ▸ ਓྗͩͱ໘
▸ Α͘Α͘ݟΔͱϖʔδͷURL͕ཧίʔυʹͳͬͯΔ ▸ → WebViewͰURLΛ͍͚ͬͯऔಘͰ͖ͦ͏
ԻݯཧஂମͷαΠτ͔ΒཧίʔυΛऔಘ͠Α͏(2) ▸ چଶґવͷFrameαΠτͱ͍͏ҋਂ͞ ▸ electronͰͷ࣮ͳͷͰॾʑͷઆ໌লུ ▸ ಉ͡Α͏ʹURLࢹΛReact NativeͰߦ͏ͳΒ onNavigationStateChangeΛ͏͜ͱͰՄೳ
ԻݯཧஂମͷαΠτ͔ΒཧίʔυΛऔಘ͠Α͏(3) σϞ
·ͱΊ ▸ WebαΠτͰ࣮͞Ε͍ͯΔ͜ͱ͕Ͱ͖Δ ▸ άϥϑදࣔͱ͔໘ͳίϯϙʔωϯτHTMLͰ࡞ͬͯ͠·͏ͱָ ▸ πΠʔτϖʔδΈ͍ͨͳΉͷ͕໘ͳͷָ ▸ URLͷࢹΛͯ͠IDΛऔಘͰ͖Δ ▸
JavaScriptͷ࣮ߦίʔυΛࠩ͠ࠐΉ͜ͱ͕Ͱ͖Δ ▸ σϞͰදࣔͨ͠ΞϓϦͪ͜Β ▸ https://github.com/watanabeyu/webview-example
༨ஊ ಈըܥͷΞϓϦ࡞ͬͯ·͢ ڵຯ͋Δਓͥͻͱ͓͠͠·͠ΐ͏