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@BlaBlaCarTech Manage Apps at Home

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Loïc Effner iOS Developer @loiceffn iOS Developer

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30€ 30€ 120 € 30€ 30€

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30€ 30€ 120 € 30€ 30€

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15M 10M 5M 2009 2010 2011 2012 2013 2014 2015

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20M 15M 10M 5M 2009 2010 2011 2012 2013 2014 2015 20 million members in 2015

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...in 19 countries

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...with 14 offices

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2009

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2009 ● Only one code to rule them all ● Web is our core business ● Easy to update

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2009 Do the job

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2012 ● Not aesthetically pleasing ● Poor UX / performance ● Not iOS/Android guideline

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NOW

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From webview to native ● Native guidelines: better UI / UX ● Better performance / Offline content ● REST API for partners ● Access to device features

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From webview to native ● Keep the webview flexibility: ○ update strings without submission ○ easily deploy features at a specific time

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CloudFront CloudFront

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CloudFront CloudFront 10-17M requests / day 99.9% 0.1%

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Why this solution? ● API ○ server traffic ○ distribution impact ● S3/Cloudfront ○ nothing to do ○ distribution

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User side EN FR ES ...

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User side EN FR ES ...

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User side EN FR ES ... CloudFront

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User side EN FR ES ... CloudFront 1 2015-11-13 14:03:05

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User side EN FR ES ... CloudFront CloudFront 304 Not modified 1 2 2015-11-13 14:03:05

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User side EN FR ES ... CloudFront CloudFront 304 Not modified 1 2 2015-11-13 14:03:05 10-17M requests / day File Transfer : 16% = 1.5-2.6 To saved

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OpenLocalization

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openl10n.io

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Create and push new trads Translate and distribute

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Illustration - Add new country language: pt regional format: pt_BR 02/11/15

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Illustration - Add new country language: pt regional format: pt_BR { “fr” : {...}, “pt” : { “default”:”portugal” }, ... } 02/11/15

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Illustration - Add new country language: pt regional format: pt_BR { “fr” : {...}, “pt” : { “default”:”portugal” }, ... } { “france”: {...}, “portugal” : {...}, ... } 02/11/15

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Illustration - Add new country language: pt regional format: pt_BR { “fr” : {...}, “pt” : { “default”:”portugal” }, ... } { “fr” : {...}, “pt” : { “default”:”portugal”, “pt_BR”:”brazil” }, ... } 02/11/15 { “france”: {...}, “portugal” : {...}, ... }

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Illustration - Add new country language: pt regional format: pt_BR { “fr” : {...}, “pt” : { “default”:”portugal” }, ... } { “fr” : {...}, “pt” : { “default”:”portugal”, “pt_BR”:”brazil” }, ... } { “france”: {...}, “portugal” : {...}, “brazil”: {...} ... } 02/11/15 { “france”: {...}, “portugal” : {...}, ... }

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Illustration - Active new feature { “use_regular_trip” : false, ... }

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Illustration - Active new feature { “use_regular_trip” : false, ... } true

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Rollout October September August July June

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Benefits

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● Cache application ● Deeplink ● Request handler

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➔ Feature flags ➔ App check version

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What’s next? Thanks!