Android App Bundle - Speaker Deck

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@soulesidibe Android App Bundle

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App Release Process

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App Release Process • Coding

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App Release Process • Coding • Build a signed APK

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App Release Process • Coding • Build a signed APK • Upload to Google Play console

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App Release Process • Coding • Build a signed APK • Upload to Google Play console • Deploy to users

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App Release Process • Coding • Build a signed APK • Upload to Google Play console • Deploy to users • !

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App Release Process • Coding • Build a signed APK • Upload to Google Play console • Deploy to users • ! This works for years!

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App Release Process + Developer Friendly + Secure + Easy distribution - Lose signing key - Apk size bigger

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App Release Process + Developer Friendly + Secure + Easy distribution - Lose signing key - Apk size bigger

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Multiple APKs to the rescue • Upload multiple apk • 1 configuration 1 apk • Same Package name and same signing key • Must have different versionCode • A configuration should be unique

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Multiple APKs to the rescue • Upload multiple apk • 1 configuration 1 apk • Same Package name and same signing key • Must have different versionCode • A configuration should be unique But not developer friendly

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Android App Bundle The solution

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“An Android App Bundle is a new upload format that includes all your app’s compiled code and resources, but defers APK generation and signing to Google Play.”

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App Bundle “Fat” APK

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New App Release Process Android App Bundle format

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Base APK • Common code and resources • Basic features of you app • Downloaded first (be careful about the size)

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Dynamic feature APKs • Code and resources for a Feature • Google Play generates split APKs • Installed on demand (Play Core Library) • Depends on base APKs

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Configuration APKs • 1 device configuration !=> 1 APK • A configuration? Screen size API level CPU Architecture Language

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Configuration APKs • 1 device configuration !=> 1 APK • A configuration? Screen size API level CPU Architecture Language Google Play automatically generates conﬁguration APKs for you.

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App Bundle Split APKs

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New App Release Process • Coding • Build a signed Android App bundle

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New App Release Process • Coding • Build a signed Android App bundle • You must use App Sign in by Google

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New App Release Process • Coding • Build a signed Android App bundle • You must use App Sign in by Google • Upload the AAB file to Play Store Console

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New App Release Process • Coding • Build a signed Android App bundle • You must use App Sign in by Google • Upload the AAB file to Play Store Console • Google Play generates split APKs for you

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Why?

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Why? • Easy to switch to app bundle

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Why? • Easy to switch to app bundle • ./gradlew assembleRelease becomes ./gradlew bundleRelease

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Why? • Easy to switch to app bundle • ./gradlew assembleRelease becomes ./gradlew bundleRelease • Small APK size

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Why? • Easy to switch to app bundle • ./gradlew assembleRelease becomes ./gradlew bundleRelease • Small APK size • Secure

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Why? • Easy to switch to app bundle • ./gradlew assembleRelease becomes ./gradlew bundleRelease • Small APK size • Secure • Dynamic Features

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HOW? • ./gradlew bundleDebug

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HOW? • ./gradlew bundleRelease • generate …build/out/release/app.aab

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HOW? • ./gradlew bundleDebug • generate …build/out/debug/app.aab • Bundletool

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That’s it! @soulesidibe

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Links •Official doc !=> https:!//bit.ly/2Knmc28 •What a new publishing format means for the future of Android !=> https:!//bit.ly/2QZuSjc •Android developer blog !=> https:!//bit.ly/2PYM8F2 •Play Core library !=> https:!//bit.ly/2Pjpla3 •Google IO 18 !=> https:!//bit.ly/2OQgaOM •All About android !=> https:!//bit.ly/2PSf41f