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Behavior changes: all apps  |  Android Developers

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class="devsite-nav-text" tooltip>Apply an OTA image</span></a></li><li class="devsite-nav-item"><a href="/about/versions/15/gsi-release-notes" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /about/versions/15/gsi-release-notes" track-type="bookNav" track-name="click" track-metadata-eventdetail="/about/versions/15/gsi-release-notes" ><span class="devsite-nav-text" tooltip>Get a Generic System Image (GSI)</span></a></li></ul></div></li> <li class="devsite-nav-item devsite-nav-divider devsite-nav-heading"><div class="devsite-nav-title devsite-nav-title-no-path"> <span class="devsite-nav-text" tooltip>App compatibility</span> </div></li> <li class="devsite-nav-item"><a href="/guide/app-compatibility" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /guide/app-compatibility" track-type="bookNav" track-name="click" track-metadata-eventdetail="/guide/app-compatibility" ><span class="devsite-nav-text" tooltip>About app compatibility ⍈</span></a></li> <li class="devsite-nav-item"><a href="/guide/app-compatibility/test-debug" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /guide/app-compatibility/test-debug" track-type="bookNav" track-name="click" track-metadata-eventdetail="/guide/app-compatibility/test-debug" ><span class="devsite-nav-text" tooltip>Compatibility framework tools ⍈</span></a></li> <li class="devsite-nav-item"><a href="/guide/app-compatibility/restrictions-non-sdk-interfaces" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /guide/app-compatibility/restrictions-non-sdk-interfaces" track-type="bookNav" track-name="click" track-metadata-eventdetail="/guide/app-compatibility/restrictions-non-sdk-interfaces" ><span class="devsite-nav-text" tooltip>Restrictions on non-SDK interfaces ⍈</span></a></li> <li class="devsite-nav-item devsite-nav-divider devsite-nav-heading"><div class="devsite-nav-title devsite-nav-title-no-path"> <span class="devsite-nav-text" tooltip>More</span> </div></li> <li class="devsite-nav-item"><a href="/about/dashboards" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /about/dashboards" track-type="bookNav" track-name="click" track-metadata-eventdetail="/about/dashboards" ><span class="devsite-nav-text" tooltip>Dashboards ⍈</span></a></li> </ul> <ul class="devsite-nav-list" menu="Essentials" aria-label="Side menu" hidden> <li class="devsite-nav-item devsite-nav-heading"> <span class="devsite-nav-title" tooltip > <span class="devsite-nav-text" tooltip > Gemini in Android Studio </span> </span> </li> <li class="devsite-nav-item"> <a href="/gemini-in-android" class="devsite-nav-title gc-analytics-event " data-category="Site-Wide Custom Events" data-label="Responsive Tab: Learn more" track-type="navMenu" track-metadata-eventDetail="globalMenu" track-metadata-position="nav"> <span class="devsite-nav-text" tooltip > Learn more </span> </a> </li> <li class="devsite-nav-item"> <a href="/studio" class="devsite-nav-title gc-analytics-event " data-category="Site-Wide Custom Events" data-label="Responsive Tab: Get Android Studio" track-type="navMenu" track-metadata-eventDetail="globalMenu" track-metadata-position="nav"> <span class="devsite-nav-text" tooltip > Get Android Studio </span> </a> </li> <li class="devsite-nav-item devsite-nav-heading"> <span class="devsite-nav-title" tooltip > <span class="devsite-nav-text" tooltip > Get started </span> </span> </li> <li class="devsite-nav-item"> <a href="/get-started/overview" class="devsite-nav-title gc-analytics-event " data-category="Site-Wide Custom Events" data-label="Responsive Tab: Hello world" track-type="navMenu" track-metadata-eventDetail="globalMenu" track-metadata-position="nav"> <span class="devsite-nav-text" tooltip > Hello world </span> </a> </li> <li class="devsite-nav-item"> <a href="/courses" class="devsite-nav-title gc-analytics-event " data-category="Site-Wide Custom Events" data-label="Responsive Tab: Training courses" track-type="navMenu" track-metadata-eventDetail="globalMenu" track-metadata-position="nav"> <span class="devsite-nav-text" tooltip > Training courses </span> </a> </li> <li class="devsite-nav-item"> <a href="/get-started/codelabs" class="devsite-nav-title gc-analytics-event " data-category="Site-Wide Custom Events" data-label="Responsive Tab: Tutorials" track-type="navMenu" track-metadata-eventDetail="globalMenu" track-metadata-position="nav"> <span class="devsite-nav-text" tooltip > Tutorials </span> </a> </li> <li class="devsite-nav-item"> <a href="/develop/ui/compose/adopt" class="devsite-nav-title gc-analytics-event " data-category="Site-Wide Custom Events" data-label="Responsive Tab: Compose for teams" track-type="navMenu" track-metadata-eventDetail="globalMenu" track-metadata-position="nav"> <span class="devsite-nav-text" tooltip > Compose for teams </span> </a> </li> <li class="devsite-nav-item"> <a href="/kotlin" class="devsite-nav-title gc-analytics-event " data-category="Site-Wide Custom Events" data-label="Responsive Tab: Kotlin for Android" track-type="navMenu" track-metadata-eventDetail="globalMenu" track-metadata-position="nav"> <span class="devsite-nav-text" tooltip > Kotlin for Android </span> </a> </li> <li class="devsite-nav-item"> <a href="https://play.google.com/console/about/guides/monetize/" class="devsite-nav-title gc-analytics-event " data-category="Site-Wide Custom Events" data-label="Responsive Tab: Monetization with Play ↗️" track-type="navMenu" track-metadata-eventDetail="globalMenu" track-metadata-position="nav"> <span class="devsite-nav-text" tooltip > Monetization with Play ↗️ </span> </a> </li> <li class="devsite-nav-item devsite-nav-heading"> <span class="devsite-nav-title" tooltip > <span class="devsite-nav-text" tooltip > Extend by device </span> </span> </li> <li class="devsite-nav-item"> <a href="/adaptive-apps" class="devsite-nav-title gc-analytics-event " data-category="Site-Wide Custom Events" data-label="Responsive Tab: Adaptive apps" track-type="navMenu" track-metadata-eventDetail="globalMenu" track-metadata-position="nav"> <span class="devsite-nav-text" tooltip > Adaptive apps </span> </a> </li> <li class="devsite-nav-item"> <a href="/xr" class="devsite-nav-title gc-analytics-event " data-category="Site-Wide Custom Events" data-label="Responsive Tab: Android XR" track-type="navMenu" track-metadata-eventDetail="globalMenu" track-metadata-position="nav"> <span class="devsite-nav-text" tooltip > Android XR </span> </a> </li> <li class="devsite-nav-item"> <a href="/wear" class="devsite-nav-title gc-analytics-event " data-category="Site-Wide Custom Events" data-label="Responsive Tab: Wear OS" track-type="navMenu" track-metadata-eventDetail="globalMenu" track-metadata-position="nav"> <span class="devsite-nav-text" tooltip > Wear OS </span> </a> </li> <li class="devsite-nav-item"> <a href="/cars" class="devsite-nav-title gc-analytics-event " data-category="Site-Wide Custom Events" data-label="Responsive Tab: Android for Cars" track-type="navMenu" track-metadata-eventDetail="globalMenu" track-metadata-position="nav"> <span class="devsite-nav-text" tooltip > Android for Cars </span> </a> </li> <li class="devsite-nav-item"> <a href="/tv" class="devsite-nav-title gc-analytics-event " data-category="Site-Wide Custom Events" data-label="Responsive Tab: Android TV" track-type="navMenu" track-metadata-eventDetail="globalMenu" track-metadata-position="nav"> <span class="devsite-nav-text" tooltip > Android TV </span> </a> </li> <li class="devsite-nav-item"> <a href="/chrome-os" class="devsite-nav-title gc-analytics-event " data-category="Site-Wide Custom Events" data-label="Responsive Tab: ChromeOS" track-type="navMenu" track-metadata-eventDetail="globalMenu" track-metadata-position="nav"> <span class="devsite-nav-text" tooltip > ChromeOS </span> </a> </li> <li class="devsite-nav-item devsite-nav-heading"> <span class="devsite-nav-title" tooltip > <span class="devsite-nav-text" tooltip > Build by category </span> </span> </li> <li class="devsite-nav-item"> <a href="/games" class="devsite-nav-title gc-analytics-event " data-category="Site-Wide Custom Events" data-label="Responsive Tab: Games" track-type="navMenu" track-metadata-eventDetail="globalMenu" track-metadata-position="nav"> <span class="devsite-nav-text" tooltip > Games </span> </a> </li> <li class="devsite-nav-item"> <a href="/media" class="devsite-nav-title gc-analytics-event " data-category="Site-Wide Custom Events" data-label="Responsive Tab: Camera &amp; media" track-type="navMenu" track-metadata-eventDetail="globalMenu" track-metadata-position="nav"> <span class="devsite-nav-text" tooltip > Camera &amp; media </span> </a> </li> <li class="devsite-nav-item"> <a href="/social-and-messaging" class="devsite-nav-title gc-analytics-event " data-category="Site-Wide Custom Events" data-label="Responsive Tab: Social &amp; messaging" track-type="navMenu" track-metadata-eventDetail="globalMenu" track-metadata-position="nav"> <span class="devsite-nav-text" tooltip > Social &amp; messaging </span> </a> </li> <li class="devsite-nav-item"> <a href="/health-and-fitness" class="devsite-nav-title gc-analytics-event " data-category="Site-Wide Custom Events" data-label="Responsive Tab: Health &amp; fitness" track-type="navMenu" track-metadata-eventDetail="globalMenu" track-metadata-position="nav"> <span class="devsite-nav-text" tooltip > Health &amp; fitness </span> </a> </li> <li class="devsite-nav-item"> <a href="/productivity" class="devsite-nav-title gc-analytics-event " data-category="Site-Wide Custom Events" data-label="Responsive Tab: Productivity" track-type="navMenu" track-metadata-eventDetail="globalMenu" track-metadata-position="nav"> <span class="devsite-nav-text" tooltip > Productivity </span> </a> </li> <li class="devsite-nav-item"> <a href="/work/overview" class="devsite-nav-title gc-analytics-event " data-category="Site-Wide Custom Events" data-label="Responsive Tab: Enterprise apps" track-type="navMenu" track-metadata-eventDetail="globalMenu" track-metadata-position="nav"> <span class="devsite-nav-text" tooltip > Enterprise apps </span> </a> </li> <li class="devsite-nav-item devsite-nav-heading"> <span class="devsite-nav-title" tooltip > <span class="devsite-nav-text" tooltip > Get the latest </span> </span> </li> <li class="devsite-nav-item"> <a href="/latest-updates" class="devsite-nav-title gc-analytics-event " data-category="Site-Wide Custom Events" data-label="Responsive Tab: Latest updates" track-type="navMenu" track-metadata-eventDetail="globalMenu" track-metadata-position="nav"> <span class="devsite-nav-text" tooltip > Latest updates </span> </a> </li> <li class="devsite-nav-item"> <a href="/latest-updates/experimental" class="devsite-nav-title gc-analytics-event " data-category="Site-Wide Custom Events" data-label="Responsive Tab: Experimental updates" track-type="navMenu" track-metadata-eventDetail="globalMenu" track-metadata-position="nav"> <span class="devsite-nav-text" tooltip > Experimental updates </span> </a> </li> <li class="devsite-nav-item"> <a href="/studio/preview" class="devsite-nav-title gc-analytics-event " data-category="Site-Wide Custom Events" data-label="Responsive Tab: Android Studio preview" track-type="navMenu" track-metadata-eventDetail="globalMenu" track-metadata-position="nav"> <span class="devsite-nav-text" tooltip > Android Studio preview </span> </a> </li> <li class="devsite-nav-item"> <a href="/jetpack/androidx/versions" class="devsite-nav-title gc-analytics-event " data-category="Site-Wide Custom Events" data-label="Responsive Tab: Jetpack &amp; Compose libraries" track-type="navMenu" track-metadata-eventDetail="globalMenu" track-metadata-position="nav"> <span class="devsite-nav-text" tooltip > Jetpack &amp; Compose libraries </span> </a> </li> <li class="devsite-nav-item"> <a href="/training/wearables/versions/latest" class="devsite-nav-title gc-analytics-event " data-category="Site-Wide Custom Events" data-label="Responsive Tab: Wear OS releases" track-type="navMenu" track-metadata-eventDetail="globalMenu" track-metadata-position="nav"> <span class="devsite-nav-text" tooltip > Wear OS releases </span> </a> </li> <li class="devsite-nav-item"> <a href="/design-for-safety/privacy-sandbox" class="devsite-nav-title gc-analytics-event " data-category="Site-Wide Custom Events" data-label="Responsive Tab: Privacy Sandbox" track-type="navMenu" track-metadata-eventDetail="globalMenu" track-metadata-position="nav"> <span class="devsite-nav-text" tooltip > Privacy Sandbox </span> </a> </li> </ul> <ul class="devsite-nav-list" menu="Design &amp; Plan" aria-label="Side menu" hidden> <li class="devsite-nav-item devsite-nav-heading"> <span class="devsite-nav-title" tooltip > <span class="devsite-nav-text" tooltip > UI Design </span> </span> </li> <li class="devsite-nav-item"> <a href="/design/ui" class="devsite-nav-title gc-analytics-event " data-category="Site-Wide Custom Events" data-label="Responsive Tab: Design for Android" track-type="navMenu" track-metadata-eventDetail="globalMenu" track-metadata-position="nav"> <span class="devsite-nav-text" tooltip > Design for Android </span> </a> </li> <li class="devsite-nav-item"> <a href="/design/ui/mobile" class="devsite-nav-title gc-analytics-event " data-category="Site-Wide Custom Events" data-label="Responsive Tab: Mobile" track-type="navMenu" track-metadata-eventDetail="globalMenu" track-metadata-position="nav"> <span class="devsite-nav-text" tooltip > Mobile </span> </a> </li> <li class="devsite-nav-item"> <a href="/design/ui/large-screens" class="devsite-nav-title gc-analytics-event " data-category="Site-Wide Custom Events" data-label="Responsive Tab: Adaptive UI" track-type="navMenu" track-metadata-eventDetail="globalMenu" track-metadata-position="nav"> <span class="devsite-nav-text" tooltip > Adaptive UI </span> </a> </li> <li class="devsite-nav-item"> <a href="/design/ui/xr" class="devsite-nav-title gc-analytics-event " data-category="Site-Wide Custom Events" data-label="Responsive Tab: Android XR" track-type="navMenu" track-metadata-eventDetail="globalMenu" track-metadata-position="nav"> <span class="devsite-nav-text" tooltip > Android XR </span> </a> </li> <li class="devsite-nav-item"> <a href="/design/ui/widget" class="devsite-nav-title gc-analytics-event " data-category="Site-Wide Custom Events" data-label="Responsive Tab: Widgets" track-type="navMenu" track-metadata-eventDetail="globalMenu" track-metadata-position="nav"> <span class="devsite-nav-text" tooltip > Widgets </span> </a> </li> <li class="devsite-nav-item"> <a href="/design/ui/wear" class="devsite-nav-title gc-analytics-event " data-category="Site-Wide Custom Events" data-label="Responsive Tab: Wear OS" track-type="navMenu" track-metadata-eventDetail="globalMenu" track-metadata-position="nav"> <span class="devsite-nav-text" tooltip > Wear OS </span> </a> </li> <li class="devsite-nav-item"> <a href="/design/ui/tv" class="devsite-nav-title gc-analytics-event " data-category="Site-Wide Custom Events" data-label="Responsive Tab: Android TV" track-type="navMenu" track-metadata-eventDetail="globalMenu" track-metadata-position="nav"> <span class="devsite-nav-text" tooltip > Android TV </span> </a> </li> <li class="devsite-nav-item devsite-nav-heading"> <span class="devsite-nav-title" tooltip > <span class="devsite-nav-text" tooltip > Architecture </span> </span> </li> <li class="devsite-nav-item"> <a href="/topic/architecture/intro" class="devsite-nav-title gc-analytics-event " data-category="Site-Wide Custom Events" data-label="Responsive Tab: Introduction" track-type="navMenu" track-metadata-eventDetail="globalMenu" track-metadata-position="nav"> <span class="devsite-nav-text" tooltip > Introduction </span> </a> </li> <li class="devsite-nav-item"> <a href="/topic/libraries/view-binding" class="devsite-nav-title gc-analytics-event " data-category="Site-Wide Custom Events" data-label="Responsive Tab: Libraries" track-type="navMenu" track-metadata-eventDetail="globalMenu" track-metadata-position="nav"> <span class="devsite-nav-text" tooltip > Libraries </span> </a> </li> <li class="devsite-nav-item"> <a href="/guide/navigation/navigation-principles" class="devsite-nav-title gc-analytics-event " data-category="Site-Wide Custom Events" data-label="Responsive Tab: Navigation" track-type="navMenu" track-metadata-eventDetail="globalMenu" track-metadata-position="nav"> <span class="devsite-nav-text" tooltip > Navigation </span> </a> </li> <li class="devsite-nav-item"> <a href="/topic/modularization" class="devsite-nav-title gc-analytics-event " data-category="Site-Wide Custom Events" data-label="Responsive Tab: Modularization" track-type="navMenu" track-metadata-eventDetail="globalMenu" track-metadata-position="nav"> <span class="devsite-nav-text" tooltip > Modularization </span> </a> </li> <li class="devsite-nav-item"> <a href="/training/testing/fundamentals" class="devsite-nav-title gc-analytics-event " data-category="Site-Wide Custom Events" data-label="Responsive Tab: Testing" track-type="navMenu" track-metadata-eventDetail="globalMenu" track-metadata-position="nav"> <span class="devsite-nav-text" tooltip > Testing </span> </a> </li> <li class="devsite-nav-item devsite-nav-heading"> <span class="devsite-nav-title" tooltip > <span class="devsite-nav-text" tooltip > Quality </span> </span> </li> <li class="devsite-nav-item"> <a href="/quality" class="devsite-nav-title gc-analytics-event " data-category="Site-Wide Custom Events" data-label="Responsive Tab: Overview" track-type="navMenu" track-metadata-eventDetail="globalMenu" track-metadata-position="nav"> <span class="devsite-nav-text" tooltip > Overview </span> </a> </li> <li class="devsite-nav-item"> <a href="/quality/core-value" class="devsite-nav-title gc-analytics-event " data-category="Site-Wide Custom Events" data-label="Responsive Tab: Core value" track-type="navMenu" track-metadata-eventDetail="globalMenu" track-metadata-position="nav"> <span class="devsite-nav-text" tooltip > Core value </span> </a> </li> <li class="devsite-nav-item"> <a href="/quality/user-experience" class="devsite-nav-title gc-analytics-event " data-category="Site-Wide Custom Events" data-label="Responsive Tab: User experience" track-type="navMenu" track-metadata-eventDetail="globalMenu" track-metadata-position="nav"> <span class="devsite-nav-text" tooltip > User experience </span> </a> </li> <li class="devsite-nav-item"> <a href="/guide/topics/ui/accessibility" class="devsite-nav-title gc-analytics-event " data-category="Site-Wide Custom Events" data-label="Responsive Tab: Accessibility" track-type="navMenu" track-metadata-eventDetail="globalMenu" track-metadata-position="nav"> <span class="devsite-nav-text" tooltip > Accessibility </span> </a> </li> <li class="devsite-nav-item"> <a href="/quality/technical" class="devsite-nav-title gc-analytics-event " data-category="Site-Wide Custom Events" data-label="Responsive Tab: Technical quality" track-type="navMenu" track-metadata-eventDetail="globalMenu" track-metadata-position="nav"> <span class="devsite-nav-text" tooltip > Technical quality </span> </a> </li> <li class="devsite-nav-item"> <a href="/quality/privacy-and-security" class="devsite-nav-title gc-analytics-event " data-category="Site-Wide Custom Events" data-label="Responsive Tab: Security" track-type="navMenu" track-metadata-eventDetail="globalMenu" track-metadata-position="nav"> <span class="devsite-nav-text" tooltip > Security </span> </a> </li> <li class="devsite-nav-item devsite-nav-heading"> <span class="devsite-nav-title" tooltip > <span class="devsite-nav-text" tooltip > Security </span> </span> </li> <li class="devsite-nav-item"> <a href="/security" class="devsite-nav-title gc-analytics-event " data-category="Site-Wide Custom Events" data-label="Responsive Tab: Overview" track-type="navMenu" track-metadata-eventDetail="globalMenu" track-metadata-position="nav"> <span class="devsite-nav-text" tooltip > Overview </span> </a> </li> <li class="devsite-nav-item"> <a href="/privacy-and-security/about" class="devsite-nav-title gc-analytics-event " data-category="Site-Wide Custom Events" data-label="Responsive Tab: Privacy" track-type="navMenu" track-metadata-eventDetail="globalMenu" track-metadata-position="nav"> <span class="devsite-nav-text" tooltip > Privacy </span> </a> </li> <li class="devsite-nav-item"> <a href="/guide/topics/permissions/overview" class="devsite-nav-title gc-analytics-event " data-category="Site-Wide Custom Events" data-label="Responsive Tab: Permissions" track-type="navMenu" track-metadata-eventDetail="globalMenu" track-metadata-position="nav"> <span class="devsite-nav-text" tooltip > Permissions </span> </a> </li> <li class="devsite-nav-item"> <a href="/identity" class="devsite-nav-title gc-analytics-event " data-category="Site-Wide Custom Events" data-label="Responsive Tab: Identity" track-type="navMenu" track-metadata-eventDetail="globalMenu" track-metadata-position="nav"> <span class="devsite-nav-text" tooltip > Identity </span> </a> </li> <li class="devsite-nav-item"> <a href="/security/fraud-prevention" class="devsite-nav-title gc-analytics-event " data-category="Site-Wide Custom Events" data-label="Responsive Tab: Fraud prevention" track-type="navMenu" track-metadata-eventDetail="globalMenu" track-metadata-position="nav"> <span class="devsite-nav-text" tooltip > Fraud prevention </span> </a> </li> <li class="devsite-nav-item devsite-nav-heading"> <span class="devsite-nav-title" tooltip > <span class="devsite-nav-text" tooltip > Build for Billions </span> </span> </li> <li class="devsite-nav-item"> <a href="/build-for-billions" class="devsite-nav-title gc-analytics-event " data-category="Site-Wide Custom Events" data-label="Responsive Tab: Overview" track-type="navMenu" track-metadata-eventDetail="globalMenu" track-metadata-position="nav"> <span class="devsite-nav-text" tooltip > Overview </span> </a> </li> <li class="devsite-nav-item"> <a href="/docs/quality-guidelines/build-for-billions" class="devsite-nav-title gc-analytics-event " data-category="Site-Wide Custom Events" data-label="Responsive Tab: About new markets" track-type="navMenu" track-metadata-eventDetail="globalMenu" track-metadata-position="nav"> <span class="devsite-nav-text" tooltip > About new markets </span> </a> </li> <li class="devsite-nav-item"> <a href="/guide/topics/androidgo" class="devsite-nav-title gc-analytics-event " data-category="Site-Wide Custom Events" data-label="Responsive Tab: Android (Go edition)" track-type="navMenu" track-metadata-eventDetail="globalMenu" track-metadata-position="nav"> <span class="devsite-nav-text" tooltip > Android (Go edition) </span> </a> </li> </ul> <ul class="devsite-nav-list" menu="Develop" aria-label="Side menu" hidden> <li class="devsite-nav-item devsite-nav-heading"> <span class="devsite-nav-title" tooltip > <span class="devsite-nav-text" tooltip > Build AI experiences </span> </span> </li> <li class="devsite-nav-item"> <a href="/ai" class="devsite-nav-title gc-analytics-event " data-category="Site-Wide Custom Events" data-label="Responsive Tab: Get started" track-type="navMenu" track-metadata-eventDetail="globalMenu" track-metadata-position="nav"> <span class="devsite-nav-text" tooltip > Get started </span> </a> </li> <li class="devsite-nav-item devsite-nav-heading"> <span class="devsite-nav-title" tooltip > <span class="devsite-nav-text" tooltip > Core areas </span> </span> </li> <li class="devsite-nav-item"> <a href="/samples" class="devsite-nav-title gc-analytics-event " data-category="Site-Wide Custom Events" data-label="Responsive Tab: Samples" track-type="navMenu" track-metadata-eventDetail="globalMenu" track-metadata-position="nav"> <span class="devsite-nav-text" tooltip > Samples </span> </a> </li> <li class="devsite-nav-item"> <a href="/develop/ui" class="devsite-nav-title gc-analytics-event " data-category="Site-Wide Custom Events" data-label="Responsive Tab: User interfaces" track-type="navMenu" track-metadata-eventDetail="globalMenu" track-metadata-position="nav"> <span class="devsite-nav-text" tooltip > User interfaces </span> </a> </li> <li class="devsite-nav-item"> <a href="/develop/background-work" class="devsite-nav-title gc-analytics-event " data-category="Site-Wide Custom Events" data-label="Responsive Tab: Background work" track-type="navMenu" track-metadata-eventDetail="globalMenu" track-metadata-position="nav"> <span class="devsite-nav-text" tooltip > Background work </span> </a> </li> <li 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let us know what you think! </div> </div> </div> <div class="devsite-article-meta nocontent" role="navigation"> <ul class="devsite-breadcrumb-list" aria-label="Breadcrumb"> <li class="devsite-breadcrumb-item "> <a href="https://developer.android.com/" class="devsite-breadcrumb-link gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Breadcrumbs" data-value="1" track-type="globalNav" track-name="breadcrumb" track-metadata-position="1" track-metadata-eventdetail="Android Developers" > Android Developers </a> </li> <li class="devsite-breadcrumb-item "> <div class="devsite-breadcrumb-guillemet material-icons" aria-hidden="true"></div> <a href="https://developer.android.com/get-started" class="devsite-breadcrumb-link gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Breadcrumbs" data-value="2" track-type="globalNav" track-name="breadcrumb" track-metadata-position="2" track-metadata-eventdetail="" > Essentials </a> </li> <li class="devsite-breadcrumb-item "> <div class="devsite-breadcrumb-guillemet material-icons" aria-hidden="true"></div> <a href="https://developer.android.com/about/versions" class="devsite-breadcrumb-link gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Breadcrumbs" data-value="3" track-type="globalNav" track-name="breadcrumb" track-metadata-position="3" track-metadata-eventdetail="" > Releases </a> </li> </ul> <devsite-thumb-rating position="header"> </devsite-thumb-rating> </div> <h1 class="devsite-page-title" tabindex="-1"> Behavior changes: all apps </h1> <devsite-feature-tooltip ack-key="AckCollectionsBookmarkTooltipDismiss" analytics-category="Site-Wide Custom Events" analytics-action-show="Callout Profile displayed" analytics-action-close="Callout Profile dismissed" analytics-label="Create Collection Callout" class="devsite-page-bookmark-tooltip nocontent" dismiss-button="true" id="devsite-collections-dropdown" dismiss-button-text="Dismiss" close-button-text="Got it"> <devsite-bookmark></devsite-bookmark> <span slot="popout-heading"> Stay organized with collections </span> <span slot="popout-contents"> Save and categorize content based on your preferences. </span> </devsite-feature-tooltip> <div class="devsite-page-title-meta"><devsite-view-release-notes></devsite-view-release-notes></div> <devsite-toc class="devsite-nav" depth="2" devsite-toc-embedded > </devsite-toc> <devsite-recommendations-dropdown class="nocontent"></devsite-recommendations-dropdown> <div class="devsite-article-body clearfix "> <p>The Android 15 platform includes behavior changes that might affect your app. The following behavior changes apply to <em>all apps</em> when they run on Android 15, regardless of <a href="/guide/topics/manifest/uses-sdk-element#target"><code translate="no" dir="ltr">targetSdkVersion</code></a>. You should test your app and then modify it as needed to support these properly, where applicable.</p> <p>Make sure to also review the list of <a href="/about/versions/15/behavior-changes-15">behavior changes that only affect apps targeting Android 15</a>.</p> <h2 id="core" data-text="Core functionality" tabindex="-1">Core functionality</h2> <p>Android 15 modifies or expands various core capabilities of the Android system.</p> <h3 id="enhanced-stop-states" data-text="Changes to package stopped state" tabindex="-1">Changes to package stopped state</h3> <p>The intention of the package <a href="/reference/android/content/pm/ApplicationInfo#FLAG_STOPPED"><code translate="no" dir="ltr">FLAG_STOPPED</code></a> state (which users can engage in AOSP builds by long-pressing an app icon and selecting &quot;Force Stop&quot;) has always been to keep apps in this state until the user explicitly removes the app from this state by directly launching the app or indirectly interacting with the app (through the sharesheet or a widget, selecting the app as live wallpaper, etc.). In Android 15, we&#39;ve updated the behavior of the system to be aligned with this intended behavior. Apps should only be removed from the stopped state through direct or indirect user action.</p> <p>To support the intended behavior, in addition to the existing restrictions, the system also cancels all <a href="/reference/android/app/PendingIntent">pending intents</a> when the app enters the stopped state on a device running Android 15. When the user&#39;s actions remove the app from the stopped state, the <a href="/reference/android/content/Intent#ACTION_BOOT_COMPLETED"><code translate="no" dir="ltr">ACTION_BOOT_COMPLETED</code></a> broadcast is delivered to the app providing an opportunity to re-register any pending intents.</p> <aside class="note"><strong>Note:</strong><span> Apps use pending intents to update <a href="/develop/ui/views/appwidgets/overview">app widgets</a>. If an app enters the stopped state, all these pending intents are canceled, and the system disables the app&#39;s widgets. (The widgets are grayed out, and the device user cannot interact with them.) The system re-enables the widgets the next time the user launches the app.</span></aside> <p>You can call the new <a href="/reference/android/app/ApplicationStartInfo#wasForceStopped()"><code translate="no" dir="ltr">ApplicationStartInfo.wasForceStopped()</code></a> method to confirm whether the app was put into the stopped state.</p> <h3 id="16-kb" data-text="Support for 16 KB page sizes" tabindex="-1">Support for 16 KB page sizes</h3> <p>Historically, Android has only supported 4&nbsp;KB memory page sizes, which has optimized system memory performance for the average amount of total memory that Android devices have typically had. Beginning with Android 15, AOSP supports devices that are configured to use a page size of 16&nbsp;KB (16&nbsp;KB devices). If your app uses any <a href="/ndk">NDK</a> libraries, either directly or indirectly through an SDK, then you will need to rebuild your app for it to work on these 16&nbsp;KB devices.</p> <p>As device manufacturers continue to build devices with larger amounts of physical memory (RAM), many of these devices will adopt 16&nbsp;KB (and eventually greater) page sizes to optimize the device&#39;s performance. Adding support for 16&nbsp;KB page size devices enables your app to run on these devices and helps your app benefit from the associated performance improvements. Without recompiling, apps might not work on 16&nbsp;KB devices when they are productionized in future Android releases.</p> <p>To help you add support for your app, we&#39;ve provided guidance on how to <a href="/guide/practices/page-sizes#16-kb-impact">check if your app is impacted</a>, how to <a href="/guide/practices/page-sizes#build">rebuild your app</a> (if applicable), and how to <a href="/guide/practices/page-sizes#test">test your app in a 16&nbsp;KB environment</a> using emulators (including Android 15 system images for the Android Emulator).</p> <h4 id="benefits" data-text="Benefits and performance gains" tabindex="-1">Benefits and performance gains</h4> <p>Devices configured with 16&nbsp;KB page sizes use slightly more memory on average, but also gain various performance improvements for both the system and apps:</p> <ul> <li>Lower app launch times while the system is under memory pressure: 3.16% lower on average, with more significant improvements (up to 30%) for some apps that we tested</li> <li>Reduced power draw during app launch: 4.56% reduction on average</li> <li>Faster camera launch: 4.48% faster hot starts on average, and 6.60% faster cold starts on average</li> <li>Improved system boot time: improved by 8% (approximately 950 milliseconds) on average</li> </ul> <p>These improvements are based on our initial testing, and results on actual devices will likely differ. We&#39;ll provide additional analysis of potential gains for apps as we continue our testing.</p> <h4 id="16-kb-impact" data-text="Check if your app is impacted" tabindex="-1">Check if your app is impacted</h4> <p>If your app <a href="/guide/practices/page-sizes#native-code">uses any native code</a>, then you should <a href="/guide/practices/page-sizes#build">rebuild your app with support for 16&nbsp;KB devices</a>. If you are unsure if your app uses native code, you can <a href="/guide/practices/page-sizes#identify-native-code">use the APK Analyzer to identify whether any native code is present</a> and then <a href="/guide/practices/page-sizes#elf-alignment">check the alignment of ELF segments for any shared libraries</a> that you find.</p> <p>If your app only uses code written in the Java programming language or in Kotlin, including all libraries or SDKs, then your app already supports 16&nbsp;KB devices. Nevertheless, we recommend that you <a href="/guide/practices/page-sizes#test">test your app in a 16&nbsp;KB environment</a> to verify that there are no unexpected regressions in app behavior.</p> <h3 id="private-space-changes" data-text="Required changes for some apps to support private space" tabindex="-1">Required changes for some apps to support private space</h3> <p><a href="/about/versions/15/features#private-space">Private space</a> is a new feature in Android 15 that lets users create a separate space on their device where they can keep sensitive apps away from prying eyes, under an additional layer of authentication. Because apps in the private space have restricted visibility, some types of apps need to take additional steps to be able to see and interact with apps in a user&#39;s private space.</p> <h4 id="private-space-work-profiles" data-text="All apps" tabindex="-1">All apps</h4> <p>Because apps in the private space are kept in a separate user profile, similar to <a href="/work/managed-profiles">work profiles</a>, apps shouldn&#39;t assume that any installed copies of their app that aren&#39;t in the main profile are in the work profile. If your app has logic related to work profile apps that make this assumption, you&#39;ll need to adjust this logic.</p> <h4 id="private-space-medical-apps" data-text="Medical apps" tabindex="-1">Medical apps</h4> <p>When a user locks the private space, all apps in the private space are stopped, and those apps can&#39;t perform foreground or background activities, including showing notifications. This behavior might critically impact the use and function of medical apps installed in the private space.</p> <p>The private space setup experience warns users that the private space is not suitable for apps that need to perform critical foreground or background activities, such as showing notifications from medical apps. However, apps can&#39;t determine whether or not they&#39;re being used in the private space, so they can&#39;t show a warning to the user for this case.</p> <p>For these reasons, if you develop a medical app, review how this feature might impact your app and take appropriate actions—such as informing your users not to install your app in the private space—to avoid disrupting critical app capabilities.</p> <h4 id="private-space-launcher-apps" data-text="Launcher apps" tabindex="-1">Launcher apps</h4> <p>If you develop a launcher app, you must do the following before apps in the private space will be visible:</p> <ol> <li>Your app must be assigned as the default launcher app for the device—that is, possessing the <a href="/reference/android/app/role/RoleManager#ROLE_HOME"><code translate="no" dir="ltr">ROLE_HOME</code></a> role.</li> <li>Your app must declare the <a href="/reference/android/Manifest.permission#ACCESS_HIDDEN_PROFILES"><code translate="no" dir="ltr">ACCESS_HIDDEN_PROFILES</code></a> normal permission <a href="/training/permissions/declaring">in your app&#39;s manifest file</a>.</li> </ol> <p>Launcher apps that declare the <code translate="no" dir="ltr">ACCESS_HIDDEN_PROFILES</code> permission must handle the following private space use cases:</p> <ol> <li>Your app must have a separate launcher container for apps installed in the private space. Use the <a href="/reference/android/content/pm/LauncherApps#getLauncherUserInfo(android.os.UserHandle)"><code translate="no" dir="ltr">getLauncherUserInfo()</code></a> method to determine which type of user profile is being handled.</li> <li>The user must be able to hide and show the private space container.</li> <li>The user must be able to lock and unlock the private space container. Use the <a href="/reference/android/os/UserManager#requestQuietModeEnabled(boolean,%20android.os.UserHandle)"><code translate="no" dir="ltr">requestQuietModeEnabled()</code></a> method to lock (by passing <code translate="no" dir="ltr">true</code>) or unlock (by passing <code translate="no" dir="ltr">false</code>) the private space.</li> <li><p>While locked, no apps in the private space container should be visible or discoverable through mechanisms such as search. Your app should <a href="/develop/background-work/background-tasks/broadcasts#context-registered-receivers">register a receiver</a> for the <a href="/reference/android/content/Intent#ACTION_PROFILE_AVAILABLE"><code translate="no" dir="ltr">ACTION_PROFILE_AVAILABLE</code></a> and <a href="/reference/android/content/Intent#ACTION_PROFILE_UNAVAILABLE"><code translate="no" dir="ltr">ACTION_PROFILE_UNAVAILABLE</code></a> broadcasts and update the UI in your app when the locked or unlocked state of the private space container changes. Both of these broadcasts include <a href="/reference/android/content/Intent#EXTRA_USER"><code translate="no" dir="ltr">EXTRA_USER</code></a>, which your app can use to refer to the private profile user.</p> <p>You can also use the <a href="/reference/android/os/UserManager#isQuietModeEnabled(android.os.UserHandle)"><code translate="no" dir="ltr">isQuietModeEnabled()</code></a> method to check whether the private space profile is locked or not.</p></li> </ol> <h4 id="private-space-app-store-apps" data-text="App store apps" tabindex="-1">App store apps</h4> <p>The private space includes an &quot;Install Apps&quot; button that launches an implicit intent to install apps into the user&#39;s private space. In order for your app to receive this implicit intent, declare an <a href="/guide/topics/manifest/intent-filter-element"><code translate="no" dir="ltr">&lt;intent-filter&gt;</code></a> in your app&#39;s manifest file with a <a href="/guide/topics/manifest/category-element"><code translate="no" dir="ltr">&lt;category&gt;</code></a> of <a href="/reference/android/content/Intent#CATEGORY_APP_MARKET"><code translate="no" dir="ltr">CATEGORY_APP_MARKET</code></a>.</p> <h3 id="png-emoji-font" data-text="PNG-based emoji font removed" tabindex="-1">PNG-based emoji font removed</h3> <p>The legacy, PNG-based emoji font file (<code translate="no" dir="ltr">NotoColorEmojiLegacy.ttf</code>) has been removed, leaving just the vector-based file. Beginning with Android 13 (API level 33), the emoji font file used by the system emoji renderer <a href="/about/versions/13/features#color-vector-fonts">changed from a PNG-based file to a vector based file</a>. The system retained the legacy font file in Android 13 and 14 for compatibility reasons, so that apps with their own font renderers could continue to use the legacy font file until they were able to upgrade.</p> <p>To check if your app is affected, search your app&#39;s code for references to the <code translate="no" dir="ltr">NotoColorEmojiLegacy.ttf</code> file.</p> <p>You can choose to adapt your app in a number of ways:</p> <ul> <li>Use platform APIs for text rendering. You can render text to a bitmap-backed <code translate="no" dir="ltr">Canvas</code> and use that to get a raw image if necessary.</li> <li>Add COLRv1 font support to your app. The FreeType open source library supports COLRv1 in <a href="https://sourceforge.net/projects/freetype/files/freetype2/2.13.0/" class="external">version 2.13.0</a> and higher.</li> <li>As a last resort, you can bundle the legacy emoji font file (<a href="https://github.com/googlefonts/noto-emoji/blob/main/fonts/NotoColorEmoji.ttf" class="external"><code translate="no" dir="ltr">NotoColorEmoji.ttf</code></a>) into your APK, although in that case your app will be missing the latest emoji updates. For more information, see the <a href="https://github.com/googlefonts/noto-emoji" class="external">Noto Emoji GitHub project page</a>.</li> </ul> <h3 id="minimum-target-api-level" data-text="Increased minimum target SDK version from 23 to 24" tabindex="-1">Increased minimum target SDK version from 23 to 24</h3> <p>Android 15 builds on the <a href="/about/versions/14/behavior-changes-all#minimum-target-api-level">the changes that were made in Android 14</a> and extends this security further. In Android 15, apps with a <a href="/guide/topics/manifest/uses-sdk-element"><code translate="no" dir="ltr">targetSdkVersion</code></a> lower than 24 can&#39;t be installed. Requiring apps to meet modern API levels helps to ensure better security and privacy.</p> <p>Malware often targets lower API levels in order to bypass security and privacy protections that have been introduced in higher Android versions. For example, some malware apps use a <code translate="no" dir="ltr">targetSdkVersion</code> of 22 to avoid being subjected to the runtime permission model introduced in 2015 by Android 6.0 Marshmallow (API level 23). This Android 15 change makes it harder for malware to avoid security and privacy improvements. Attempting to install an app targeting a lower API level results in an installation failure, with a message like the following one appearing in Logcat:</p> <div></div><devsite-code><pre class="devsite-click-to-copy" translate="no" dir="ltr" is-upgraded><code translate="no" dir="ltr">INSTALL_FAILED_DEPRECATED_SDK_VERSION: App package must target at least SDK version 24, but found 7 </code></pre></devsite-code> <p>On devices upgrading to Android 15, any apps with a <code translate="no" dir="ltr">targetSdkVersion</code> lower than 24 remain installed.</p> <p>If you need to test an app targeting an older API level, use the following ADB command:</p> <div></div><devsite-code><pre class="none devsite-terminal" translate="no" dir="ltr" is-upgraded> adb install --bypass-low-target-sdk-block <var translate="no">FILENAME</var>.apk </pre></devsite-code> <h2 id="security" data-text="Security and privacy" tabindex="-1">Security and privacy</h2> <p>Android 15 introduces robust measures to combat one-time passcode (OTP) fraud and to protect the user&#39;s sensitive content, focusing on hardening the Notification Listener Service and screenshare protections. Key enhancements include redacting OTPs from notifications accessible to untrusted apps, hiding notifications during screenshare, and securing app activities when OTPs are posted. These changes aim to keep the user&#39;s sensitive content safe from unauthorized actors.</p> <p>Developers need to be aware of the following to ensure their apps are compatible with the changes in Android 15:</p> <h3 id="otp_redaction" data-text="OTP Redaction" tabindex="-1">OTP Redaction</h3> <p>Android will stop untrusted apps that implement a <a href="/reference/android/service/notification/NotificationListenerService"><code translate="no" dir="ltr">NotificationListenerService</code></a> from reading unredacted content from notifications where an OTP has been detected. Trusted apps such as companion device manager associations are exempt from these restrictions.</p> <h3 id="screenshare_protection" data-text="Screenshare Protection" tabindex="-1">Screenshare Protection</h3> <ul> <li>Notification content is hidden during screen sharing sessions to preserve the user&#39;s privacy. If the app implements <a href="/reference/android/app/Notification.Builder#setPublicVersion(android.app.Notification)"><code translate="no" dir="ltr">setPublicVersion()</code></a>, Android shows the public version of the notification which serves as a replacement notification in insecure contexts. Otherwise, the notification content is redacted without any further context.</li> <li>Sensitive content like password input is hidden from remote viewers to prevent revealing the user&#39;s sensitive information.</li> <li>Activities from apps that post notifications during screenshare where an OTP has been detected will be hidden. App content is hidden from the remote viewer when launched.</li> <li>Beyond Android&#39;s automatic identification of sensitive fields, developers can manually mark parts of their app as sensitive using <a href="/reference/android/view/View#setContentSensitivity(int)"><code translate="no" dir="ltr">setContentSensitivity</code></a>, which is hidden from remote viewers during screenshare.</li> <li>Developers can choose to toggle the <strong>Disable screen share protections</strong> option under <strong>Developer Options</strong> to be exempted from the screenshare protections for demo or testing purposes. The default system screen recorder is exempted from these changes, since the recordings remain on-device.</li> </ul> <h2 id="camera-media" data-text="Camera and media" tabindex="-1">Camera and media</h2> <p>Android 15 makes the following changes to camera and media behavior for all apps.</p> <h3 id="direct-audio" data-text="Direct and offload audio playback invalidates previously open direct or offload audio tracks when resource limits are reached" tabindex="-1">Direct and offload audio playback invalidates previously open direct or offload audio tracks when resource limits are reached</h3> <p>Before Android 15, if an app requested direct or offload audio playback while another app was playing audio and the resource limits were reached, the app would fail to open a new <a href="/reference/android/media/AudioTrack"><code translate="no" dir="ltr">AudioTrack</code></a>.</p> <p>Beginning with Android 15, when an app requests direct or offload playback and the resource limits are reached, the system invalidates any currently open <code translate="no" dir="ltr">AudioTrack</code> objects which prevent fulfilling the new track request.</p> <p>(Direct and offload audio tracks are typically opened for playback of compressed audio formats. Common use-cases for playing direct audio include streaming encoded audio over HDMI to a TV. Offload tracks are typically used to play compressed audio on a mobile device with hardware DSP acceleration.)</p> <h2 id="ux" data-text="User experience and system UI" tabindex="-1">User experience and system UI</h2> <p>Android 15 includes some changes that are intended to create a more consistent, intuitive user experience.</p> <h3 id="predictive-back" data-text="Predictive back animations enabled for apps that opted in" tabindex="-1">Predictive back animations enabled for apps that opted in</h3> <p>Beginning in Android 15, the developer option for <a href="/guide/navigation/custom-back/predictive-back-gesture">predictive back animations</a> has been removed. System animations such as back-to-home, cross-task, and cross-activity now appear for apps that have <a href="/guide/navigation/custom-back/predictive-back-gesture#opt-predictive">opted in to the predictive back gesture</a> either entirely or at an activity level. If your app is affected, take the following actions:</p> <ul> <li>Ensure that your app has been properly migrated to use the predictive back gesture.</li> <li>Ensure that your fragment transitions work with predictive back navigation.</li> <li>Migrate away from animation and framework transitions and use animator and androidx transitions instead.</li> <li>Migrate away from back stacks that <code translate="no" dir="ltr">FragmentManager</code> doesn&#39;t know about. Use back stacks managed by <code translate="no" dir="ltr">FragmentManager</code> or by the Navigation component instead.</li> </ul> <h3 id="widgets-force-stop" data-text="Widgets disabled when user force-stops an app" tabindex="-1">Widgets disabled when user force-stops an app</h3> <p>If a user force-stops an app on a device running Android 15, the system temporarily disables all the app&#39;s widgets. The widgets are grayed out, and the user cannot interact with them. This is because beginning with Android 15, the system cancels all an app&#39;s pending intents when the app is force-stopped.</p> <p>The system re-enables those widgets the next time the user launches the app.</p> <p>For more information, see <a href="/about/versions/15/behavior-changes-all#enhanced-stop-states">Changes to package stopped state</a>.</p> <h3 id="media-projection-status-bar-chip" data-text="Media projection status bar chip alerts users to screen sharing, casting, and recording" tabindex="-1">Media projection status bar chip alerts users to screen sharing, casting, and recording</h3> <aside class="note"><strong>Note:</strong><span> This change is included on devices running <a href="/about/versions/15/release-notes">Android 15 QPR1</a> or higher.</span></aside> <p>Screen projection exploits expose private user data such as financial information because users don&#39;t realize their device screen is being shared.</p> <p>For apps running on devices with Android 15 QPR1 or higher, a status bar chip that is large and prominent alerts users to any in&#8209;progress screen projection. Users can tap the chip to stop their screen from being shared, cast, or recorded. Also, screen projection automatically stops when the device screen is locked.</p> <figure style="margin: 1.5rem auto 1.25rem; width: 100%;"> <img class="invert" src="/static/media/images/grow/media_projection_status_bar_chip.png" alt=""/> <figcaption style="margin-top: 0.5rem;"> Status bar chip for screen sharing, casting, and recording. </figcaption> </figure> <h4 id="media-projection-chip-auto-stop-impact" data-text="Check if your app is impacted" tabindex="-1">Check if your app is impacted</h4> <p>By default, your app includes the status bar chip and automatically suspends screen projection when the lock screen activates.</p> <p>To learn more about how to test your app for these use cases, see <a href="/media/grow/media-projection#status_bar_chip_auto_stop">Status bar chip and auto stop</a>.</p> <h2 id="deprecations" data-text="Deprecations" tabindex="-1">Deprecations</h2> <p>With each release, specific Android APIs might become obsolete or need to be refactored to provide a better developer experience or support new platform capabilities. In these cases, we officially deprecate the obsolete APIs and direct developers to alternative APIs to use instead.</p> <p>Deprecation means that we&#39;ve ended official support for the APIs, but they will continue to remain available to developers. To learn more about notable deprecations in this release of Android, see the <a href="/about/versions/15/deprecations">deprecations page</a>.</p> </div> <devsite-recommendations display="in-page" hidden yield> </devsite-recommendations> <devsite-thumb-rating position="footer"> </devsite-thumb-rating> <devsite-recommendations id="recommendations-link" yield></devsite-recommendations> <div class="devsite-floating-action-buttons"> </div> </article> <devsite-content-footer class="nocontent"> <p>Content and code samples on this page are subject to the licenses described in the <a href="/license">Content License</a>. 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