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Signature @KeithYokoma - Drivemode, Inc. Shibuya.apk #1

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KeithYokoma Keishin Yokomaku Drivemode, Inc. Android Engineer GitHub: https://github.com/KeithYokoma Qiita: http://qiita.com/KeithYokoma e-Book: http://amzn.to/1mZNydv

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Keystore • Containing “Key” and “Certification” • Every applications are signed with keystore • The same applications are signed with the same keystore

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• Valid until … • Store password: … • Key alias: … • Key password: … • Owner informations … Keystore

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debug.keystore release.keystore Signing app-debug.apk app-release.apk

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The problem

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The problem Where should we put the keystore?

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• Possibility to lost keystore files • Who remembers password? • Manual operation to share keystore files • Dull to copy them by hand Shared drive?

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Shared drive? Yuck!

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Put keystores in the repository

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Repository • No chance to lost(we have a history!) • Quick set up build env with just cloning • Note: Safe to share them in PRIVATE repo

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Wait, how do we share keystore password?

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Keystore password • Use `echo something_seed_value | md5` • Set it as ENV value
 ‘export KSTOREPWD=…’ • Read ENV value from build.gradle

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build.gradle android { signingConfigs { release { storePassword System.getenv("KSTOREPWD") keyPassword System.getenv(“KEYPWD”) } } }

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Looks Good To Me

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Signature @KeithYokoma - Drivemode, Inc. Shibuya.apk #1