FirebaseOverview.pdf - Speaker Deck

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Firebase Overview for Native Application Daiki Matsudate (@d_date) GDG DevFest Tokyo 2018

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Daiki Matsudate @d_date FOLIO Co., Ltd.

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͜ͷຊͷಋೖతͳ࿩Ͱ͢

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https://booth.pm/ja/ items/835645

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Agenda • ͱΓ͋͑ͣೖΕ͍ͨFirebase • Prediction·ΘΓͷ࿩ • Firestore·ΘΓͷ࿩

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લఏ

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1. iOSΤϯδχΞͰ͢

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2. Έͳ͞ΜͰͭ͘Δ ηογϣϯͰ͢

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޿͘ઙ͘࿩͍ͯ͘͠͠ͷͰ ࣭໰ߟ͑ͱ͍͍ͯͩ͘͞

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ͱΓ͋͑ͣೖΕ͍ͨ Firebase

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ͱΓ͋͑ͣೖΕ͍ͨFirebase • Crashlytics • Performance Monitoring • Google Analytics for Firebase • App Indexing

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• ΞϓϦͷΫϥογϡϩάΛऩूɾղੳ͢Δ͓ͳ͡Έͷπʔ ϧ • Fabric ͕ Googleʹങऩ͞Ε͔ͯΒ౷߹͕ਐΊΒΕɺ2017 ೥10݄ʹ౷߹ (Crash Reporting͸deprecated) • Cloud Functionͱ࿈ܞՄೳ

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- Automatic Trace • ΞϓϦͷύϑΥʔϚϯεΛଌఆ͢Δ • Automatic trace • App start • Network • App in foreground / background • Screen

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- Screen Trace iOS keyWindow಺ʹ͋ΔUIViewControllerͷ ɾStart: viewDidAppear:͕ݺ͹Εͨͱ͖ ɾStop: viewDidDisappear:͕Α͹Εͨͱ͖ɻ ※Container View ControllerͰ͸Ωϟϓνϟ͠ͳ͍

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Android ͢΂ͯͷActivityͷ ɾStart: onActivityStarted()͕ݺ͹Εͨͱ͖ ɾStop: onActivityStopped()͕ݺ͹Εͨͱ͖ - Screen Trace

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https://www.youtube.com/watch?v=e-8ﬁv-vteQ&t=16

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https://www.youtube.com/watch?v=e-8ﬁv-vteQ&t=16

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NetworkΛτϨʔε͢Δࡍͷ஫ҙ఺ • ඪ४ͷAPIҎ֎ʢ௿ϨϕϧAPI΍Socket௨৴ͳ Ͳʣͷ৔߹͸ࣗಈτϨʔε͞Εͳ͍

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Appendix: Performance Monitoring - Custom Trace let trace = Performance.startTrace(name: "request_trace") let contents: String do { contents = try String(contentsOfFile: fileName, encoding: .utf8) } catch { print("Log file doesn't exist yet") contents = "" } let fileLength = contents.lengthOfBytes(using: .utf8) trace?.incrementMetric("log_file_size", by: Int64(fileLength))

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let trace = Performance.startTrace(name: "request_trace") let contents: String do { contents = try String(contentsOfFile: fileName, encoding: .utf8) } catch { print("Log file doesn't exist yet") contents = "" } let fileLength = contents.lengthOfBytes(using: .utf8) trace?.incrementMetric("log_file_size", by: Int64(fileLength)) 1. Call startTrace with 2. Set your metric with Appendix: Performance Monitoring - Custom Trace

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let target = "https://www.google.com/images/branding/googlelogo/2x/ googlelogo_color_272x92dp.png" guard let targetUrl = URL(string: target) else { return } guard let metric = HTTPMetric(url: targetUrl, httpMethod: .get) else { return } metric.start() var request = URLRequest(url:targetUrl) request.httpMethod = "GET" let task = URLSession.shared.dataTask(with: request) { data, response, error in if let httpResponse = response as? HTTPURLResponse { metric.responseCode = httpResponse.statusCode } metric.stop() ɾSpeciﬁed network trace Appendix: Performance Monitoring - Custom Trace

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let target = "https://www.google.com/images/branding/googlelogo/2x/ googlelogo_color_272x92dp.png" guard let targetUrl = URL(string: target) else { return } guard let metric = HTTPMetric(url: targetUrl, httpMethod: .get) else { return } metric.start() var request = URLRequest(url:targetUrl) request.httpMethod = "GET" let task = URLSession.shared.dataTask(with: request) { data, response, error in if let httpResponse = response as? HTTPURLResponse { metric.responseCode = httpResponse.statusCode } metric.stop() 1. Initialize HTTPMetric 3. Call stop() when ﬁnished 2.Call start() ɾSpeciﬁed network trace Appendix: Performance Monitoring - Custom Trace

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Google Analytics for Firebase

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Google Analytics for Firebase • ϞόΠϧ޲͚Google Analytics • WebͷGoogle Analytics • BigQuery -> Data Studioͱ͍͏ར༻Λ૝ఆ • WebଆͷGAͱ౷߹͢ΔͷʹTag ManagerΛ࢖ͬͨΓ͢Δ

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App Index

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App Index • ݕࡧ݁ՌʹΞϓϦΛදࣔ͢Δ • μ΢ϯϩʔυϘλϯ͖ͭ • iOS: Universal LinksΛ༗ޮʹ • Android: AppIndexͷϥΠϒϥϦΛೖΕΔ • apple-app-site-associationΛϗετ͢Δ

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ͱΓ͋͑ͣೖΕ͍ͨFirebase ·ͣ͸ೖΕͯΈΑ͏ͥʂ

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Predictionपล

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Firebase Prediction • 7೔ؒͷσʔλΛݩʹϢʔβʔͷ࣍ͷߦಈΛ༧ଌ ͢Δ • ʮ཭୤ͦ͠͏(churn)ʯʮ཭୤͠ͳͦ͞͏ʯʮ՝ۚ ͦ͠͏(purchase)ʯʮ՝ۚ͠ͳͦ͞͏ʯͷ̐ଐੑ ΛσϑΥϧτͰਪଌͰ͖Δ • AnalyticsͷEventΛݩʹΧελϜ͢Δ͜ͱ΋Ͱ͖Δ

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Prediction x Remote Conﬁg • PredictionͰ༧ଌͨ͠Ϣʔβʔଐੑʹରͯ͠ɺ Remote ConﬁgΛઃఆͰ͖Δ → ʮ཭୤ͦ͠͏ʯͳϢʔβʔʹରͯ͠ɺΩϟϯϖʔ ϯΛଧͭ

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A/B Testing • ର৅ͷϢʔβʔଐੑΛࢦఆͯ͠ɺA/BςετͰ͖Δ • ςετର৅ʹ͸PredictionͰ༧ଌͨ͠ଐੑ΋ར༻Մೳ

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Prediction x Messaging • PredictionͰ༧ଌͨ͠Ϣʔβʔଐੑʹରͯ͠ɺNotiﬁcation ΛൃՐͰ͖Δ → ʮ཭୤ͦ͠͏ʯͳϢʔβʔʹରͯ͠ɺ௨஌ΛૹΔ

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In-app messaging

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Predictionपล • PredictionͰϢʔβʔͷߦಈΛ༧ଌ • ༧ଌͰ͖ͨΒ࿈ܞ͢Δ • A / B Testing • Cloud Messaging • In-App Messaging

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Firestoreपล

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Firestoreपล • Firebase Realtime Database • Firebase Firestore • Firebase Cloud Function

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Firebase Database

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• NoSQL cloud database • Realtime Data Sync with JSON Tree • Available data on oﬄine Firebase Database

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Firebase Database

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NoSQL

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NoSQL = Denormalization

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Denormalization in NoSQL { "users": { "user1": { "name": "Alice" }, "user2": { "name": "Bob" } }, "links": { "link1": { "title": "Example", "href": "http://example.org", "submitted": "user1" } }, "comments": { "comment1": { "link": "link1", "body": "This is awesome!", "author": "user2" } } }

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• 10:40 - Firestore Database Design / Room I • 13:30 - Realtime Database for High traﬃc production application / Room J • 14:50 - Realtime Database in Production / Room C + D • Related Session

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• NoSQL cloud database • Realtime Data Sync with JSON Tree • Available data on oﬄine Firebase Database

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Cloud Firestore

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• Stores data in documents organized in collections • Sending data with protobuf, which have more types • Introduced reference type, so requires less denormalization and data ﬂattening • Indexed queries with compound sorting and ﬁltering Cloud Firestore

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Cloud Firestore

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Cloud Firestore Reference type

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Cloud Functions • Firebase΍HTTPϦΫΤετΛτϦΨʔʹͯ͠ɺόοΫΤ ϯυͷίʔυΛ࣮ߦ͢Δ • ίʔυ͸Google ͷCloudʹϓογϡ͢Δ

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Cloud Functions • Cloud Firestore • Realtime Database • Firebase Authentication • Google Analytics for Firebase • Crashlytics • Cloud Storage • Cloud Pub/Sub • HTTP

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Ex: Cloud Firestore • υΩϡϝϯτ͕ੜ੒͞Εͨͱ͖ • υΩϡϝϯτ͕ߋ৽͞Εͨͱ͖ • υΩϡϝϯτ͕࡟আ͞Εͨͱ͖ • ্هͷΠϕϯτ͕ൃੜͨ͠ͱ͖

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Use Case: Firestore x Function • AlgoliaʹΑΔશจݕࡧ • BigQuery • etc…

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Recap • ͱΓ͋͑ͣೖΕ͓͖͍ͯͨFirebase • Predictionͱͦͷपล • ௨஌ͱͦͷपล • Databaseͱͦͷपล