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Line 1: {{Short description\|Android application publishing file format}} ~~{{AfC submission\|t\|\|ts=20210815163712\|u=TheresNoTime\|ns=118\|demo=}}<!-- Important, do not remove this line before article has been created. -->~~ {{Infobox file format \| name = Android App Bundle \| icon = Android App Bundle logo.png \| _noextcode = \| extension = {{code\|.aab}} \| mime = \| type code = \| uniform type = \| owner = \| genre = [[Package format]] \| container for = [[Android (operating system)\|Android]] \| open = yes \| contained by = \| extended from = \| extended to = \| standard = \| url = {{Official url}} }} '''Android App Bundle''' is the [[Android (operating system)\|Android]] application publishing [[file format]]. The App Bundle must include the application's [[compile]]d code and resources, which allows for the signing and generation of [[Apk (file format)\|APK files]] to be deferred to the [[app store]], reducing the initial download size of the app.<ref name="google-app-bundle">{{Cite web \|title=About Android App Bundles \|url=https://developer.android.com/guide/app-bundle \|access-date=2021-08-15 \|website=Android Developers \|language=en \|archive-date=2021-08-09 \|archive-url=https://web.archive.org/web/20210809200609/https://developer.android.com/guide/app-bundle \|url-status=live }}</ref> The file extension used for this format is ".aab".<ref>{{cite web \|url=https://developer.android.com/studio/command-line/bundletool \|title=bundletool \|access-date=2021-10-19 \|website=Android Developers \|archive-date=2023-03-15 \|archive-url=https://web.archive.org/web/20230315193854/https://developer.android.com/studio/command-line/bundletool \|url-status=live }}</ref> ~~The '''Android App Bundle''' is the~~ [[~~Android~~Google ~~(operating system)\|Android~~Play]] ~~application~~requires ~~submission~~Android ~~format~~App ~~which~~Bundles ~~will~~for beall ~~required~~new ~~from~~apps since August 2021 and for ~~new~~all ~~[[Google~~updates ~~Play]]~~to preexisting apps since November 2021.<ref name="theverge">{{Cite web \|last=Peters \|first=Jay \|date=2021-06-30 \|title=Google is moving away from APKs on the Play Store \|url=https://www.theverge.com/2021/6/30/22557390/google-apk-app-bundles-package-format-play-store \|access-date=2021-08-15 \|website=The Verge \|language=en \|archive-date=2021-08-04 \|archive-url=https://web.archive.org/web/20210804045536/https://www.theverge.com/2021/6/30/22557390/google-apk-app-bundles-package-format-play-store \|url-status=live }}</ref><ref>{{Cite ~~The~~web ~~bundle~~\|title=New ~~must~~Android ~~include~~App ~~the~~Bundle ~~app's~~and ~~compiled~~target ~~code~~API ~~and~~level ~~resources,~~requirements ~~which~~in ~~will~~2021 ~~allow~~\|url=https://android-developers.googleblog.com/2020/11/new-android-app-bundle-and-target-api.html ~~Split~~\|access-date=2022-11-22 ~~APK~~\|website=Android ~~generation~~Developers Blog \|language=en \|archive-date=2023-03-14 \|archive-url=https://web.archive.org/web/20230314143553/https://android-developers.googleblog.com/2020/11/new-android-app-bundle-and-target-api.html ~~signing~~\|url-status=live to}}</ref> beSince ~~deferred~~May to2023, ~~Google~~Android ~~Play~~TV onrequires ~~demand~~AABs.<ref ~~name="google-app-bundle"~~>{{Cite web \|~~title~~last=~~About~~Amadeo \|first=Ron \|date=2022-11-22 \|title=Android TV will require App Bundles in 2023, should reduce app size by 20% \|url=https://~~developer.android~~arstechnica.com/~~guide~~gadgets/2022/11/android-tv-will-require-app-~~bundle~~bundles-in-2023-should-reduce-app-size-by-20/ \|access-date=~~2021~~2022-0811-1522 \|website=~~Android~~Ars ~~Developers~~Technica \|language=en-us \|archive-date=2022-12-09 \|archive-url=https://web.archive.org/web/20221209054435/https://arstechnica.com/gadgets/2022/11/android-tv-will-require-app-bundles-in-2023-should-reduce-app-size-by-20/ \|url-status=live }}</ref> == Split APKs == ~~Prior to using~~Without Android App Bundles, an [[Android application package\|APK]] ~~could potentially~~can ~~include~~support multiple languages, up to four different [[~~CPU~~Computer architecture\|CPU architectures]]s, and several [[~~screen~~display resolution]] ~~buckets. The practice of doing this means each device gets a significant amount of [[code bloat\|bloat]] which is irrelevant for its specific combination of CPU, locale, and screen size~~s.<ref name="arstechnica">{{Cite web \|last=Amadeo \|first=Ron \|date=2021-07-01 \|title=Google Play dumps APKs for the more Google-controlled ~~“Android~~"Android App ~~Bundle”~~Bundle" \|url=https://arstechnica.com/gadgets/2021/07/google-play-dumps-apks-for-the-more-google-controlled-android-app-bundle/ \|access-date=2021-08-15 \|website=Ars Technica \|language=en-us \|archive-date=2021-08-12 \|archive-url=https://web.archive.org/web/20210812212257/https://arstechnica.com/gadgets/2021/07/google-play-dumps-apks-for-the-more-google-controlled-android-app-bundle/ \|url-status=live }}</ref> This meant that each installation file could contain potentially large amounts of [[code bloat\|bloat]] irrelevant for a device's specific combination of CPU, locale, and screen size.<ref name="arstechnica"></ref> Split APKs, which are generated by an app store like Google Play, contain only the code and resources that are needed for the specific device downloading the app.<ref name="theregister">{{Cite web \|last=Tim Anderson \|title=Android devs prepare to hand over app-signing keys to Google from August \|url=https://www.theregister.com/2021/07/01/android_app_bundle/ \|access-date=2021-08-15 \|website=www.theregister.com \|language=en \|archive-date=2021-07-24 \|archive-url=https://web.archive.org/web/20210724182926/https://www.theregister.com/2021/07/01/android_app_bundle/ \|url-status=live }}</ref> If the user changes their device language or feature set, the app store can then deliver additional split APKs on demand to meet the changed requirements.<ref name="googleplaydev">{{Cite web \|last=Elliott \|first=Dom \|date=2020-11-23 \|title=A new publishing format for the future of Android \|url=https://medium.com/googleplaydev/what-a-new-publishing-format-means-for-the-future-of-android-2e34981793a \|access-date=2021-08-15 \|website=Medium \|language=en \|archive-date=2021-07-16 \|archive-url=https://web.archive.org/web/20210716040146/https://medium.com/googleplaydev/what-a-new-publishing-format-means-for-the-future-of-android-2e34981793a \|url-status=live }}</ref> Android App Bundles are required for using "play as you download" feature of Google Play, which lets users download and install a portion of the game to start playing and then download the rest while the user is occupied by the first level.<ref>{{Cite web\|last=Amadeo\|first=Ron\|date=2021-11-15\|title=Android 12: The Ars Technica Review\|url=https://arstechnica.com/gadgets/2021/11/android-12-the-ars-technica-review/\|access-date=2021-11-21\|website=Ars Technica\|language=en-us\|archive-date=2021-11-21\|archive-url=https://web.archive.org/web/20211121011423/https://arstechnica.com/gadgets/2021/11/android-12-the-ars-technica-review/\|url-status=live}}</ref> == See also == * [[Android software development]] * [[apk (file format)]] == References == ~~<!-- Inline citations added to your article will automatically display here. See en.wikipedia.org/wiki/WP:REFB for instructions on how to add citations. -->~~ {{reflist}} == External links == * {{official website}} {{Android\|state=collapsed}} [[Category:Android (operating system)]] [[Category:Computer file formats]]