Restore app credentials when setting up a new device | Identity

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track-name="guides" > Guides </a> </tab> </nav> </devsite-tabs> </div> </div> </div> </div> </devsite-header> <devsite-book-nav scrollbars > <div class="devsite-book-nav-filter" > <span class="filter-list-icon material-icons" aria-hidden="true"></span> <input type="text" placeholder="Filter" aria-label="Type to filter" role="searchbox"> <span class="filter-clear-button hidden" data-title="Clear filter" aria-label="Clear filter" role="button" tabindex="0"></span> </div> <nav class="devsite-book-nav devsite-nav nocontent" aria-label="Side menu"> <div class="devsite-mobile-header"> <button type="button" id="devsite-close-nav" class="devsite-header-icon-button button-flat material-icons gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Close navigation" aria-label="Close navigation"> </button> <div class="devsite-product-name-wrapper"> <a href="/" class="devsite-site-logo-link gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Site logo" track-type="globalNav" track-name="androidDevelopers" track-metadata-position="nav" track-metadata-eventDetail="nav"> <picture> <source srcset="https://www.gstatic.com/devrel-devsite/prod/v870e399c64f7c43c99a3043db4b3a74327bb93d0914e84a0c3dba90bbfd67625/android/images/lockup-dark-theme.svg" media="(prefers-color-scheme: dark)" class="devsite-dark-theme" alt="Android Developers"> <img src="https://www.gstatic.com/devrel-devsite/prod/v870e399c64f7c43c99a3043db4b3a74327bb93d0914e84a0c3dba90bbfd67625/android/images/lockup.svg" class="devsite-site-logo" alt="Android Developers"> </picture> </a> <span class="devsite-product-name"> <ul class="devsite-breadcrumb-list" > <li class="devsite-breadcrumb-item "> </li> </ul> </span> </div> </div> <div class="devsite-book-nav-wrapper"> <div class="devsite-mobile-nav-top"> <ul class="devsite-nav-list"> <li class="devsite-nav-item"> <a href="/get-started" class="devsite-nav-title gc-analytics-event " data-category="Site-Wide Custom Events" data-label="Tab: Essentials" track-name="essentials" data-category="Site-Wide Custom Events" data-label="Responsive Tab: Essentials" track-type="globalNav" track-metadata-eventDetail="globalMenu" track-metadata-position="nav"> <span class="devsite-nav-text" tooltip > Essentials </span> </a> <ul class="devsite-nav-responsive-tabs devsite-nav-has-menu "> <li class="devsite-nav-item"> <span class="devsite-nav-title" tooltip data-category="Site-Wide Custom Events" data-label="Tab: Essentials" track-name="essentials" > <span class="devsite-nav-text" tooltip menu="Essentials"> More </span> <span class="devsite-nav-icon material-icons" data-icon="forward" menu="Essentials"> </span> </span> </li> </ul> </li> <li class="devsite-nav-item"> <a href="/design" class="devsite-nav-title gc-analytics-event devsite-nav-active" data-category="Site-Wide Custom Events" data-label="Tab: Design & Plan" track-name="design & plan" data-category="Site-Wide Custom Events" data-label="Responsive Tab: Design & Plan" track-type="globalNav" track-metadata-eventDetail="globalMenu" track-metadata-position="nav"> <span class="devsite-nav-text" tooltip > Design & Plan </span> </a> <ul class="devsite-nav-responsive-tabs devsite-nav-has-menu "> <li class="devsite-nav-item"> <span class="devsite-nav-title" tooltip data-category="Site-Wide Custom Events" data-label="Tab: Design & Plan" track-name="design & plan" > <span class="devsite-nav-text" tooltip menu="Design & Plan"> More </span> <span class="devsite-nav-icon material-icons" data-icon="forward" menu="Design & Plan"> </span> </span> </li> </ul> <ul class="devsite-nav-responsive-tabs"> <li class="devsite-nav-item"> <a href="/identity" class="devsite-nav-title gc-analytics-event " data-category="Site-Wide Custom Events" data-label="Tab: Overview" track-name="overview" data-category="Site-Wide Custom Events" data-label="Responsive Tab: Overview" track-type="globalNav" 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="/identity/samples" class="devsite-nav-title gc-analytics-event " data-category="Site-Wide Custom Events" data-label="Tab: Samples" track-name="samples" data-category="Site-Wide Custom Events" data-label="Responsive Tab: Samples" track-type="globalNav" 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="/identity/sign-in" class="devsite-nav-title gc-analytics-event devsite-nav-has-children devsite-nav-active" data-category="Site-Wide Custom Events" data-label="Tab: Guides" track-name="guides" data-category="Site-Wide Custom Events" data-label="Responsive Tab: Guides" track-type="globalNav" track-metadata-eventDetail="globalMenu" track-metadata-position="nav"> <span class="devsite-nav-text" tooltip menu="_book"> Guides </span> <span class="devsite-nav-icon material-icons" data-icon="forward" menu="_book"> </span> </a> </li> </ul> </li> <li class="devsite-nav-item"> <a href="/develop" class="devsite-nav-title gc-analytics-event " data-category="Site-Wide Custom Events" data-label="Tab: Develop" track-name="develop" data-category="Site-Wide Custom Events" data-label="Responsive Tab: Develop" track-type="globalNav" track-metadata-eventDetail="globalMenu" track-metadata-position="nav"> <span class="devsite-nav-text" tooltip > Develop </span> </a> <ul class="devsite-nav-responsive-tabs devsite-nav-has-menu "> <li class="devsite-nav-item"> <span class="devsite-nav-title" tooltip data-category="Site-Wide Custom Events" data-label="Tab: Develop" track-name="develop" > <span class="devsite-nav-text" tooltip menu="Develop"> More </span> <span class="devsite-nav-icon material-icons" data-icon="forward" menu="Develop"> </span> </span> </li> </ul> </li> <li class="devsite-nav-item"> <a href="/distribute" class="devsite-nav-title gc-analytics-event " data-category="Site-Wide Custom Events" data-label="Tab: Google Play" track-name="google play" data-category="Site-Wide Custom Events" data-label="Responsive Tab: Google Play" track-type="globalNav" track-metadata-eventDetail="globalMenu" track-metadata-position="nav"> <span class="devsite-nav-text" tooltip > Google Play </span> </a> </li> <li class="devsite-nav-item"> <a href="/community" class="devsite-nav-title gc-analytics-event " data-category="Site-Wide Custom Events" data-label="Tab: Community" track-name="community" data-category="Site-Wide Custom Events" data-label="Responsive Tab: Community" track-type="globalNav" track-metadata-eventDetail="globalMenu" track-metadata-position="nav"> <span class="devsite-nav-text" tooltip > Community </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: Android Studio" track-type="navMenu" track-metadata-eventDetail="globalMenu" track-metadata-position="nav"> <span class="devsite-nav-text" tooltip > Android Studio </span> </a> </li> </ul> </div> <div class="devsite-mobile-nav-bottom"> <ul class="devsite-nav-list" menu="_book"> <li class="devsite-nav-item devsite-nav-heading"><div class="devsite-nav-title devsite-nav-title-no-path"> <span class="devsite-nav-text" tooltip>Authenticate users</span> </div></li> <li class="devsite-nav-item"><a href="/identity/sign-in" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /identity/sign-in" track-type="bookNav" track-name="click" track-metadata-eventdetail="/identity/sign-in" ><span class="devsite-nav-text" tooltip>Add a sign-in workflow</span></a></li> <li class="devsite-nav-item devsite-nav-expandable"><div class="devsite-expandable-nav"> <a class="devsite-nav-toggle" aria-hidden="true"></a><div class="devsite-nav-title devsite-nav-title-no-path" tabindex="0" role="button"> <span class="devsite-nav-text" tooltip>Add authentication to your app</span> </div><ul class="devsite-nav-section"><li class="devsite-nav-item"><a href="/identity/sign-in/credential-manager" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /identity/sign-in/credential-manager" track-type="bookNav" track-name="click" track-metadata-eventdetail="/identity/sign-in/credential-manager" ><span class="devsite-nav-text" tooltip>Authenticate users with Credential Manager</span></a></li><li class="devsite-nav-item"><a href="/design/ui/mobile/guides/patterns/passkeys" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /design/ui/mobile/guides/patterns/passkeys" track-type="bookNav" track-name="click" track-metadata-eventdetail="/design/ui/mobile/guides/patterns/passkeys" ><span class="devsite-nav-text" tooltip>Authenticate users with passkeys UX guide ⍈</span></a></li><li class="devsite-nav-item"><a href="/identity/sign-in/credential-manager-siwg" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /identity/sign-in/credential-manager-siwg" track-type="bookNav" track-name="click" track-metadata-eventdetail="/identity/sign-in/credential-manager-siwg" ><span class="devsite-nav-text" tooltip>Authenticate users with Sign in with Google</span></a></li><li class="devsite-nav-item"><a href="/identity/sign-in/credential-manager-webview" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /identity/sign-in/credential-manager-webview" track-type="bookNav" track-name="click" track-metadata-eventdetail="/identity/sign-in/credential-manager-webview" ><span class="devsite-nav-text" tooltip>Authenticate users with WebView</span></a></li><li class="devsite-nav-item"><a href="/identity/autofill/credential-manager-autofill" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /identity/autofill/credential-manager-autofill" track-type="bookNav" track-name="click" track-metadata-eventdetail="/identity/autofill/credential-manager-autofill" ><span class="devsite-nav-text" tooltip>Integrate Credential Manager with autofill</span></a></li><li class="devsite-nav-item devsite-nav-new"><a href="/identity/sign-in/restore-credentials" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /identity/sign-in/restore-credentials" track-type="bookNav" track-name="click" track-metadata-eventdetail="/identity/sign-in/restore-credentials" ><span class="devsite-nav-text" tooltip>Restore credentials</span><span class="devsite-nav-icon material-icons" data-icon="new" data-title="New!" aria-hidden="true"></span></a></li><li class="devsite-nav-item"><a href="/jetpack/androidx/releases/credentials" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /jetpack/androidx/releases/credentials" track-type="bookNav" track-name="click" track-metadata-eventdetail="/jetpack/androidx/releases/credentials" ><span class="devsite-nav-text" tooltip>androidx.credentials API documentation ⍈</span></a></li></ul></div></li> <li class="devsite-nav-item devsite-nav-expandable"><div class="devsite-expandable-nav"> <a class="devsite-nav-toggle" aria-hidden="true"></a><div class="devsite-nav-title devsite-nav-title-no-path" tabindex="0" role="button"> <span class="devsite-nav-text" tooltip>Migrate an existing app to Credential Manager</span> </div><ul class="devsite-nav-section"><li class="devsite-nav-item"><a href="/identity/sign-in/legacy-gsi-migration" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /identity/sign-in/legacy-gsi-migration" track-type="bookNav" track-name="click" track-metadata-eventdetail="/identity/sign-in/legacy-gsi-migration" ><span class="devsite-nav-text" tooltip>Migrate from legacy Google Sign-In</span></a></li><li class="devsite-nav-item"><a href="/identity/sign-in/smart-lock-migration" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /identity/sign-in/smart-lock-migration" track-type="bookNav" track-name="click" track-metadata-eventdetail="/identity/sign-in/smart-lock-migration" ><span class="devsite-nav-text" tooltip>Migrate from Smart Lock for Passwords</span></a></li><li class="devsite-nav-item"><a href="/identity/sign-in/fido2-migration" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /identity/sign-in/fido2-migration" track-type="bookNav" track-name="click" track-metadata-eventdetail="/identity/sign-in/fido2-migration" ><span class="devsite-nav-text" tooltip>Migrate from FIDO2</span></a></li></ul></div></li> <li class="devsite-nav-item devsite-nav-expandable"><div class="devsite-expandable-nav"> <a class="devsite-nav-toggle" aria-hidden="true"></a><div class="devsite-nav-title devsite-nav-title-no-path" tabindex="0" role="button"> <span class="devsite-nav-text" tooltip>Integrate authentication for credential providers</span> </div><ul class="devsite-nav-section"><li class="devsite-nav-item"><a href="/identity/sign-in/credential-provider" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /identity/sign-in/credential-provider" track-type="bookNav" track-name="click" track-metadata-eventdetail="/identity/sign-in/credential-provider" ><span class="devsite-nav-text" tooltip>Integrate Credential Manager with your credential provider solution</span></a></li><li class="devsite-nav-item"><a href="/identity/sign-in/single-tap-biometric" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /identity/sign-in/single-tap-biometric" track-type="bookNav" track-name="click" track-metadata-eventdetail="/identity/sign-in/single-tap-biometric" ><span class="devsite-nav-text" tooltip>Integrate single tap passkey creation and sign-in with biometric prompts</span></a></li><li class="devsite-nav-item"><a href="/identity/sign-in/privileged-apps" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /identity/sign-in/privileged-apps" track-type="bookNav" track-name="click" track-metadata-eventdetail="/identity/sign-in/privileged-apps" ><span class="devsite-nav-text" tooltip>Make calls on behalf of other parties for privileged apps</span></a></li></ul></div></li> <li class="devsite-nav-item devsite-nav-expandable"><div class="devsite-expandable-nav"> <a class="devsite-nav-toggle" aria-hidden="true"></a><div class="devsite-nav-title devsite-nav-title-no-path" tabindex="0" role="button"> <span class="devsite-nav-text" tooltip>Codelabs and learning pathways</span> </div><ul class="devsite-nav-section"><li class="devsite-nav-item"><a href="/courses/pathways/passkeys" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /courses/pathways/passkeys" track-type="bookNav" track-name="click" track-metadata-eventdetail="/courses/pathways/passkeys" ><span class="devsite-nav-text" tooltip>Passkeys learning pathway ⍈</span></a></li><li class="devsite-nav-item"><a href="https://codelabs.developers.google.com/credential-manager-api-for-android" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: https://codelabs.developers.google.com/credential-manager-api-for-android" track-type="bookNav" track-name="click" track-metadata-eventdetail="https://codelabs.developers.google.com/credential-manager-api-for-android" ><span class="devsite-nav-text" tooltip>Simplify auth journeys using Credential Manager ⍈</span></a></li></ul></div></li> <li class="devsite-nav-item"><a href="/identity/sign-in/credential-manager-troubleshooting-guide" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /identity/sign-in/credential-manager-troubleshooting-guide" track-type="bookNav" track-name="click" track-metadata-eventdetail="/identity/sign-in/credential-manager-troubleshooting-guide" ><span class="devsite-nav-text" tooltip>Troubleshoot common errors</span></a></li> <li class="devsite-nav-item"><a href="/identity/sign-in/credential-manager-faq" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /identity/sign-in/credential-manager-faq" track-type="bookNav" track-name="click" track-metadata-eventdetail="/identity/sign-in/credential-manager-faq" ><span class="devsite-nav-text" tooltip>Credential Manager FAQ</span></a></li> <li class="devsite-nav-item"><a href="/identity/sign-in/biometric-auth" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /identity/sign-in/biometric-auth" track-type="bookNav" track-name="click" track-metadata-eventdetail="/identity/sign-in/biometric-auth" ><span class="devsite-nav-text" tooltip>Show a biometric authentication dialog</span></a></li> <li class="devsite-nav-item devsite-nav-heading"><div class="devsite-nav-title devsite-nav-title-no-path"> <span class="devsite-nav-text" tooltip>Authorize users</span> </div></li> <li class="devsite-nav-item"><a href="https://developers.google.com/identity/authorization/android" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: https://developers.google.com/identity/authorization/android" track-type="bookNav" track-name="click" track-metadata-eventdetail="https://developers.google.com/identity/authorization/android" ><span class="devsite-nav-text" tooltip>Authorize user access ⍈</span></a></li> <li class="devsite-nav-item devsite-nav-heading"><div class="devsite-nav-title devsite-nav-title-no-path"> <span class="devsite-nav-text" tooltip>Verify users</span> </div></li> <li class="devsite-nav-item"><a href="/identity/verify" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /identity/verify" track-type="bookNav" track-name="click" track-metadata-eventdetail="/identity/verify" ><span class="devsite-nav-text" tooltip>Verify digital credentials</span></a></li> <li class="devsite-nav-item"><a href="https://developers.google.com/identity/sms-retriever/overview" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: https://developers.google.com/identity/sms-retriever/overview" track-type="bookNav" track-name="click" track-metadata-eventdetail="https://developers.google.com/identity/sms-retriever/overview" ><span class="devsite-nav-text" tooltip>Automate SMS verification ⍈</span></a></li> <li class="devsite-nav-item"><a href="https://developers.google.com/identity/phone-number-hint/android" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: https://developers.google.com/identity/phone-number-hint/android" track-type="bookNav" track-name="click" track-metadata-eventdetail="https://developers.google.com/identity/phone-number-hint/android" ><span class="devsite-nav-text" tooltip>Provide phone number hints to users ⍈</span></a></li> <li class="devsite-nav-item devsite-nav-heading"><div class="devsite-nav-title devsite-nav-title-no-path"> <span class="devsite-nav-text" tooltip>Handle user data</span> </div></li> <li class="devsite-nav-item devsite-nav-expandable"><div class="devsite-expandable-nav"> <a class="devsite-nav-toggle" aria-hidden="true"></a><div class="devsite-nav-title devsite-nav-title-no-path" tabindex="0" role="button"> <span class="devsite-nav-text" tooltip>Autofill personal information</span> </div><ul class="devsite-nav-section"><li class="devsite-nav-item"><a href="/identity/autofill" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /identity/autofill" track-type="bookNav" track-name="click" track-metadata-eventdetail="/identity/autofill" ><span class="devsite-nav-text" tooltip>About autofill</span></a></li><li class="devsite-nav-item"><a href="/identity/autofill/autofill-optimize" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /identity/autofill/autofill-optimize" track-type="bookNav" track-name="click" track-metadata-eventdetail="/identity/autofill/autofill-optimize" ><span class="devsite-nav-text" tooltip>Optimize your app for autofill</span></a></li><li class="devsite-nav-item"><a href="/identity/autofill/autofill-services" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /identity/autofill/autofill-services" track-type="bookNav" track-name="click" track-metadata-eventdetail="/identity/autofill/autofill-services" ><span class="devsite-nav-text" tooltip>Build autofill services</span></a></li><li class="devsite-nav-item"><a href="/identity/autofill/ime-autofill" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /identity/autofill/ime-autofill" track-type="bookNav" track-name="click" track-metadata-eventdetail="/identity/autofill/ime-autofill" ><span class="devsite-nav-text" tooltip>Integrate autofill with keyboards</span></a></li></ul></div></li> <li class="devsite-nav-item"><a href="/identity/app-set-id" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /identity/app-set-id" track-type="bookNav" track-name="click" track-metadata-eventdetail="/identity/app-set-id" ><span class="devsite-nav-text" tooltip>Identify developer-owned apps</span></a></li> <li class="devsite-nav-item devsite-nav-expandable"><div class="devsite-expandable-nav"> <a class="devsite-nav-toggle" aria-hidden="true"></a><div class="devsite-nav-title devsite-nav-title-no-path" tabindex="0" role="button"> <span class="devsite-nav-text" tooltip>Manage user data</span> </div><ul class="devsite-nav-section"><li class="devsite-nav-item"><a href="/identity/ad-id" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /identity/ad-id" track-type="bookNav" track-name="click" track-metadata-eventdetail="/identity/ad-id" ><span class="devsite-nav-text" tooltip>Get a user-resettable advertising ID</span></a></li><li class="devsite-nav-item"><a href="/identity/providers/calendar-provider" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /identity/providers/calendar-provider" track-type="bookNav" track-name="click" track-metadata-eventdetail="/identity/providers/calendar-provider" ><span class="devsite-nav-text" tooltip>Manage a user's calendar</span></a></li><li class="devsite-nav-item devsite-nav-expandable"><div class="devsite-expandable-nav"> <a class="devsite-nav-toggle" aria-hidden="true"></a><div class="devsite-nav-title devsite-nav-title-no-path" tabindex="0" role="button"> <span class="devsite-nav-text" tooltip>Manage a user's contacts</span> </div><ul class="devsite-nav-section"><li class="devsite-nav-item"><a href="/identity/providers/contacts-provider" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /identity/providers/contacts-provider" track-type="bookNav" track-name="click" track-metadata-eventdetail="/identity/providers/contacts-provider" ><span class="devsite-nav-text" tooltip>About the contacts provider</span></a></li><li class="devsite-nav-item"><a href="/identity/providers/contacts-provider/retrieve-names" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /identity/providers/contacts-provider/retrieve-names" track-type="bookNav" track-name="click" track-metadata-eventdetail="/identity/providers/contacts-provider/retrieve-names" ><span class="devsite-nav-text" tooltip>Retrieving a list of contacts</span></a></li><li class="devsite-nav-item"><a href="/identity/providers/contacts-provider/retrieve-details" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /identity/providers/contacts-provider/retrieve-details" track-type="bookNav" track-name="click" track-metadata-eventdetail="/identity/providers/contacts-provider/retrieve-details" ><span class="devsite-nav-text" tooltip>Retrieving details for a contact</span></a></li><li class="devsite-nav-item"><a href="/identity/providers/contacts-provider/modify-data" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /identity/providers/contacts-provider/modify-data" track-type="bookNav" track-name="click" track-metadata-eventdetail="/identity/providers/contacts-provider/modify-data" ><span class="devsite-nav-text" tooltip>Modifying contacts using intents</span></a></li><li class="devsite-nav-item"><a href="/identity/providers/contacts-provider/display-contact-badge" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /identity/providers/contacts-provider/display-contact-badge" track-type="bookNav" track-name="click" track-metadata-eventdetail="/identity/providers/contacts-provider/display-contact-badge" ><span class="devsite-nav-text" tooltip>Displaying the quick contact badge</span></a></li></ul></div></li><li class="devsite-nav-item devsite-nav-expandable"><div class="devsite-expandable-nav"> <a class="devsite-nav-toggle" aria-hidden="true"></a><div class="devsite-nav-title devsite-nav-title-no-path" tabindex="0" role="button"> <span class="devsite-nav-text" tooltip>Manage data backups</span> </div><ul class="devsite-nav-section"><li class="devsite-nav-item"><a href="/identity/data/backup" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /identity/data/backup" track-type="bookNav" track-name="click" track-metadata-eventdetail="/identity/data/backup" ><span class="devsite-nav-text" tooltip>About data backup</span></a></li><li class="devsite-nav-item"><a href="/identity/data/autobackup" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /identity/data/autobackup" track-type="bookNav" track-name="click" track-metadata-eventdetail="/identity/data/autobackup" ><span class="devsite-nav-text" tooltip>Back up user data</span></a></li><li class="devsite-nav-item"><a href="/identity/data/keyvaluebackup" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /identity/data/keyvaluebackup" track-type="bookNav" track-name="click" track-metadata-eventdetail="/identity/data/keyvaluebackup" ><span class="devsite-nav-text" tooltip>Back up key-value pairs</span></a></li><li class="devsite-nav-item"><a href="/identity/data/testingbackup" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /identity/data/testingbackup" track-type="bookNav" track-name="click" track-metadata-eventdetail="/identity/data/testingbackup" ><span class="devsite-nav-text" tooltip>Test backup and restore</span></a></li></ul></div></li><li class="devsite-nav-item"><a href="/identity/user-data-ids" class="devsite-nav-title gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Book nav link, pathname: /identity/user-data-ids" track-type="bookNav" track-name="click" track-metadata-eventdetail="/identity/user-data-ids" ><span class="devsite-nav-text" tooltip>Work with unique identifiers</span></a></li></ul></div></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="/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="/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"> <a href="/multi-device-development" class="devsite-nav-title gc-analytics-event " data-category="Site-Wide Custom Events" data-label="Responsive Tab: Cross-device SDK" track-type="navMenu" track-metadata-eventDetail="globalMenu" track-metadata-position="nav"> <span class="devsite-nav-text" tooltip > Cross-device SDK </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 & Media" track-type="navMenu" track-metadata-eventDetail="globalMenu" track-metadata-position="nav"> <span class="devsite-nav-text" tooltip > Camera & 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 & messaging" track-type="navMenu" track-metadata-eventDetail="globalMenu" track-metadata-position="nav"> <span class="devsite-nav-text" tooltip > Social & 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 & Fitness" track-type="navMenu" track-metadata-eventDetail="globalMenu" track-metadata-position="nav"> <span class="devsite-nav-text" tooltip > Health & 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 & Compose libraries" track-type="navMenu" track-metadata-eventDetail="globalMenu" track-metadata-position="nav"> <span class="devsite-nav-text" tooltip > Jetpack & Compose libraries </span> </a> </li> <li class="devsite-nav-item"> <a href="/training/wearables/versions/4" class="devsite-nav-title gc-analytics-event " data-category="Site-Wide Custom Events" data-label="Responsive Tab: Wear OS preview" track-type="navMenu" track-metadata-eventDetail="globalMenu" track-metadata-position="nav"> <span class="devsite-nav-text" tooltip > Wear OS preview </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 & 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: Large screens (e.g., tablets)" track-type="navMenu" track-metadata-eventDetail="globalMenu" track-metadata-position="nav"> <span class="devsite-nav-text" tooltip > Large screens (e.g., tablets) </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="/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="/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="/quick-guides" class="devsite-nav-title gc-analytics-event " data-category="Site-Wide Custom Events" 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track-metadata-eventdetail="" > Guides </a> </li> </ul> <devsite-thumb-rating position="header"> </devsite-thumb-rating> </div> <h1 class="devsite-page-title" tabindex="-1"> Restore app credentials when setting up a new device </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>Credential Manager's <em>Restore Credentials</em> feature allows users to restore their app accounts when setting up a new device. This API is in developer preview and available on all devices that have Android 9 or higher and Google Play services (GMS) Core version 242200000 or higher. The benefits of the Restore Credentials feature includes:</p> <ul> <li><strong>Seamless user experience</strong>: Users can restore their app account without needing to manually sign in to each individual app.</li> <li><strong>Increased user engagement</strong>: Users are more likely to continue using your app if they can restore their account when setting up a new device.</li> <li><strong>Reduced development effort</strong>: the Restore Credentials feature is integrated with Credential Manager, so developers who already support passkeys can add credential restoration capabilities.</li> </ul> <h2 id="how-it" data-text="How it works" tabindex="-1">How it works</h2> <p>You can use Restore Credentials to create, get, and clear the relevant credentials.</p> <ol> <li><strong>Create the Restore Credential</strong>: When the user signs in to your app, create a Restore Credential associated with their account. This credential is stored locally and synced to the cloud if the user has enabled Google Backup and end to end encryption is available (apps can opt out of syncing to the cloud)</li> <li><strong>Get the Restore Credential</strong>: When the user sets up a new device, your app can request the Restore Credential from Credential Manager. This lets you sign the user in automatically without requiring any additional input.</li> <li><strong>Clear the Restore Credential</strong>: When the user signs out of your app, you should delete the associated Restore Credential.</li> </ol> <p>The Restore Credentials feature can integrate smoothly with backend systems that have already implemented passkeys. This compatibility stems from the fact that both passkeys and restore keys (credential type used by the Restore Credentials feature) adhere to the same underlying technical specifications. This alignment ensures that the Restore Credentials process can effectively retrieve and reinstate user credentials stored in passkey-enabled systems, providing a consistent and user-friendly experience across different platforms and authentication methods.</p> <figure id = "credman-bottomsheet-animated"> <img src="/static/identity/sign-in/images/restore-credentials-flow.svg" alt = "Credential Manager bottom sheet"> <figcaption><b>Figure 1.</b> Diagram that depicts restoring an app data to a new device using a restore credential, including creating the credential, initiating a restore flow, and automatic user sign-in</figcaption> </figure> <aside class="note"><strong>Note:</strong><span> Restore keys are the sole credential type supported for this feature. Other credential types, such as passwords, security tokens, or biometric data, are not compatible.</span></aside> <h2 id="implementation" data-text="Implementation" tabindex="-1">Implementation</h2> <p>The Restore Credentials API is available through the Credential Manager Jetpack library. To get started, follow these steps:</p> <ol> <li><p>Add the Credential Manager dependency to your project.</p> <div></div><devsite-code><pre class="devsite-click-to-copy" translate="no" dir="ltr" is-upgraded syntax="Kotlin"><code translate="no" dir="ltr"><span class="devsite-syntax-c1">// build.gradle.kts</span> <span class="devsite-syntax-n">implementation</span><span class="devsite-syntax-p">(</span><span class="devsite-syntax-s">"androidx.credentials:credentials:1.5.0-alpha03"</span><span class="devsite-syntax-p">)</span> </code></pre></devsite-code></li> <li><p>Create a <code translate="no" dir="ltr">CreateRestoreCredentialRequest</code> object.</p> <aside class="note"><strong>Note:</strong><span> Set the <strong><code translate="no" dir="ltr">isCloudBackupEnabled</code></strong> flag as <strong><code translate="no" dir="ltr">true</code></strong> to enable the auto backup of the <code translate="no" dir="ltr">restoreKey</code> (if the user has Google Backup enabled and end to end encryption is available). Set it to <strong><code translate="no" dir="ltr">false</code></strong> if you want the <code translate="no" dir="ltr">restoreKey</code> to be stored locally and not in the cloud.</span></aside></li> <li><p>Call the <code translate="no" dir="ltr">createCredential()</code> method on the <code translate="no" dir="ltr">CredentialManager</code> object.</p> <div></div><devsite-code><pre class="devsite-click-to-copy" translate="no" dir="ltr" is-upgraded syntax="Kotlin"><code translate="no" dir="ltr"><span class="devsite-syntax-kd">val</span><span class="devsite-syntax-w"> </span><span class="devsite-syntax-nv">credentialManager</span><span class="devsite-syntax-w"> </span><span class="devsite-syntax-o">=</span><span class="devsite-syntax-w"> </span><span class="devsite-syntax-n">CredentialManager</span><span class="devsite-syntax-p">.</span><span class="devsite-syntax-na">create</span><span class="devsite-syntax-p">(</span><span class="devsite-syntax-n">context</span><span class="devsite-syntax-p">)</span> <span class="devsite-syntax-c1">// On a successful authentication create a Restore Key</span> <span class="devsite-syntax-c1">// Pass in the context and CreateRestoreCredentialRequest object</span> <span class="devsite-syntax-kd">val</span><span class="devsite-syntax-w"> </span><span class="devsite-syntax-nv">response</span><span class="devsite-syntax-w"> </span><span class="devsite-syntax-o">=</span><span class="devsite-syntax-w"> </span><span class="devsite-syntax-n">credentialManager</span><span class="devsite-syntax-p">.</span><span class="devsite-syntax-na">createCredential</span><span class="devsite-syntax-p">(</span><span class="devsite-syntax-n">context</span><span class="devsite-syntax-p">,</span><span class="devsite-syntax-w"> </span><span class="devsite-syntax-n">createRestoreRequest</span><span class="devsite-syntax-p">)</span> </code></pre></devsite-code> <p>This generated <em>restore credential</em> is a type of webauthn credential, and is known as a <em>restore key</em>.</p></li> <li><p>When the user sets up a new device, call the <code translate="no" dir="ltr">getCredential()</code> method on the <code translate="no" dir="ltr">CredentialManager</code> object.</p> <div></div><devsite-code><pre class="devsite-click-to-copy" translate="no" dir="ltr" is-upgraded syntax="Kotlin"><code translate="no" dir="ltr"><span class="devsite-syntax-c1">// Fetch the Authentication JSON from server</span> <span class="devsite-syntax-kd">val</span><span class="devsite-syntax-w"> </span><span class="devsite-syntax-nv">authenticationJson</span><span class="devsite-syntax-w"> </span><span class="devsite-syntax-o">=</span><span class="devsite-syntax-w"> </span><span class="devsite-syntax-p">...</span> <span class="devsite-syntax-c1">// Create the GetRestoreCredentialRequest object</span> <span class="devsite-syntax-kd">val</span><span class="devsite-syntax-w"> </span><span class="devsite-syntax-nv">options</span><span class="devsite-syntax-w"> </span><span class="devsite-syntax-o">=</span><span class="devsite-syntax-w"> </span><span class="devsite-syntax-n">GetRestoreCredentialOption</span><span class="devsite-syntax-p">(</span><span class="devsite-syntax-n">authenticationJson</span><span class="devsite-syntax-p">)</span> <span class="devsite-syntax-kd">val</span><span class="devsite-syntax-w"> </span><span class="devsite-syntax-nv">getRequest</span><span class="devsite-syntax-w"> </span><span class="devsite-syntax-o">=</span><span class="devsite-syntax-w"> </span><span class="devsite-syntax-n">GetCredentialRequest</span><span class="devsite-syntax-p">(</span><span class="devsite-syntax-n">Immutablelist</span><span class="devsite-syntax-p">.</span><span class="devsite-syntax-na">of</span><span class="devsite-syntax-p">(</span><span class="devsite-syntax-n">options</span><span class="devsite-syntax-p">))</span> <span class="devsite-syntax-c1">// The restore key can be fetched in two scenarios to</span> <span class="devsite-syntax-c1">// 1. On the first launch of app on the device, fetch the Restore Key</span> <span class="devsite-syntax-c1">// 2. In the onRestore callback (if the app implements the Backup Agent)</span> <span class="devsite-syntax-kd">val</span><span class="devsite-syntax-w"> </span><span class="devsite-syntax-nv">response</span><span class="devsite-syntax-w"> </span><span class="devsite-syntax-o">=</span><span class="devsite-syntax-w"> </span><span class="devsite-syntax-n">credentialManager</span><span class="devsite-syntax-p">.</span><span class="devsite-syntax-na">getCredential</span><span class="devsite-syntax-p">(</span><span class="devsite-syntax-n">context</span><span class="devsite-syntax-p">,</span><span class="devsite-syntax-w"> </span><span class="devsite-syntax-n">getRequest</span><span class="devsite-syntax-p">)</span> </code></pre></devsite-code></li> <li><p>When the user signs out of your app, call the <code translate="no" dir="ltr">clearCredentialState()</code> method on the <code translate="no" dir="ltr">CredentialManager</code> object.</p> <div></div><devsite-code><pre class="devsite-click-to-copy" translate="no" dir="ltr" is-upgraded syntax="Kotlin"><code translate="no" dir="ltr"><span class="devsite-syntax-c1">// Create a ClearCredentialStateRequest object</span> <span class="devsite-syntax-kd">val</span><span class="devsite-syntax-w"> </span><span class="devsite-syntax-nv">clearRequest</span><span class="devsite-syntax-w"> </span><span class="devsite-syntax-o">=</span><span class="devsite-syntax-w"> </span><span class="devsite-syntax-n">ClearCredentialStateRequest</span><span class="devsite-syntax-p">(</span><span class="devsite-syntax-n">TYPE_CLEAR_RESTORE_CREDENTIAL</span><span class="devsite-syntax-p">)</span> <span class="devsite-syntax-c1">// On user log-out, clear the restore key</span> <span class="devsite-syntax-kd">val</span><span class="devsite-syntax-w"> </span><span class="devsite-syntax-nv">response</span><span class="devsite-syntax-w"> </span><span class="devsite-syntax-o">=</span><span class="devsite-syntax-w"> </span><span class="devsite-syntax-n">credentialManager</span><span class="devsite-syntax-p">.</span><span class="devsite-syntax-na">clearCredentialState</span><span class="devsite-syntax-p">(</span><span class="devsite-syntax-n">clearRequest</span><span class="devsite-syntax-p">)</span> </code></pre></devsite-code></li> </ol> <p>If you're using a backup agent, perform the <code translate="no" dir="ltr">getCredential</code> part within the <code translate="no" dir="ltr">onRestore</code> callback. 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