Firebase

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href="https://web.archive.org/web/20210409114107/https://firebase.google.com/docs/libraries"><link rel="search" type="application/opensearchdescription+xml" title="Firebase" href="https://web.archive.org/web/20210409114107/https://firebase.google.com/s/opensearch.xml"> <title>Firebase</title> <meta property="og:title" content="Firebase"> <meta property="og:url" content="https://web.archive.org/web/20210409114107/https://firebase.google.com/docs/libraries"> <meta property="og:locale" content="en"> <meta name="gtm_var" data-key="docType" data-value="other"> </head> <body class="" template="page" theme="firebase-theme" type="article" layout="full" pending> <devsite-progress type="indeterminate" id="app-progress"></devsite-progress> <section class="devsite-wrapper"><devsite-header> <div class="devsite-header--inner nocontent"> <div class="devsite-top-logo-row-wrapper-wrapper"> <div class="devsite-top-logo-row-wrapper"> <div class="devsite-top-logo-row"> <button type="button" id="devsite-hamburger-menu" class="devsite-header-icon-button button-flat material-icons gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Navigation menu button" visually-hidden aria-label="Open menu"> </button> <div class="devsite-product-name-wrapper"> <a href="/web/20210409114107/https://firebase.google.com/" class="devsite-site-logo-link gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Site logo" track-type="globalNav" track-name="firebase" track-metadata-position="nav" track-metadata-eventdetail="nav"> <img src="https://web.archive.org/web/20210409114107im_/https://www.gstatic.com/devrel-devsite/prod/v29e01f19390dbba02efae7ad88cec6396f66d6ad0ae093a58267d05c04c6557e/firebase/images/lockup.png" class="devsite-site-logo" alt="Firebase"> </a> <span class="devsite-product-name"> <ul class="devsite-breadcrumb-list"> <li class="devsite-breadcrumb-item "> </li> </ul> </span> </div> <div class="devsite-top-logo-row-middle"> <div class="devsite-header-upper-tabs"> <devsite-tabs class="upper-tabs"> <nav class="devsite-tabs-wrapper" aria-label="Upper tabs"> <tab dropdown> <a href="https://web.archive.org/web/20210409114107/https://firebase.google.com/products-build" class="gc-analytics-event " track-type="globalNav" track-metadata-position="nav" track-metadata-eventdetail="nav" track-name="products" data-category="Site-Wide Custom Events" data-label="Tab: Products"> Products </a> <a href="#" role="button" aria-haspopup="true" aria-expanded="false" aria-label="Dropdown menu for Products" track-type="globalNav" track-metadata-position="nav" track-metadata-eventdetail="nav" track-name="products" data-category="Site-Wide Custom Events" data-label="Tab: Products" class="devsite-tabs-dropdown-toggle devsite-icon devsite-icon-arrow-drop-down"></a> <div class="devsite-tabs-dropdown" aria-label="submenu" hidden> <div class="devsite-tabs-dropdown-content"> <div class="devsite-tabs-dropdown-column "> <ul class="devsite-tabs-dropdown-section "> <li class="devsite-nav-item"> <a href="https://web.archive.org/web/20210409114107/https://firebase.google.com/products-build" track-type="navMenu" track-name="Build" track-metadata-position="nav" track-metadata-href="https://firebase.google.com/products-build" tooltip> <div class="devsite-nav-item-title"> Build </div> </a> </li> <li class="devsite-nav-item"> <a href="https://web.archive.org/web/20210409114107/https://firebase.google.com/products-release" track-type="navMenu" track-name="Release & Monitor" track-metadata-position="nav" track-metadata-href="https://firebase.google.com/products-release" tooltip> <div class="devsite-nav-item-title"> Release & Monitor </div> </a> </li> <li class="devsite-nav-item"> <a href="https://web.archive.org/web/20210409114107/https://firebase.google.com/products-engage" track-type="navMenu" track-name="Engage" track-metadata-position="nav" track-metadata-href="https://firebase.google.com/products-engage" tooltip> <div class="devsite-nav-item-title"> Engage </div> </a> </li> </ul> </div> </div> </div> </tab> <tab> <a href="https://web.archive.org/web/20210409114107/https://firebase.google.com/use-cases" class="gc-analytics-event " track-type="globalNav" track-metadata-position="nav" track-metadata-eventdetail="nav" track-name="useCases" data-category="Site-Wide Custom Events" data-label="Tab: Use Cases"> Use Cases </a> </tab> <tab> <a href="https://web.archive.org/web/20210409114107/https://firebase.google.com/pricing" class="gc-analytics-event " track-type="globalNav" track-metadata-position="nav" track-metadata-eventdetail="nav" track-name="pricing" data-category="Site-Wide Custom Events" data-label="Tab: Pricing"> Pricing </a> </tab> <tab dropdown active> <a href="https://web.archive.org/web/20210409114107/https://firebase.google.com/docs" class="gc-analytics-event " track-type="globalNav" track-metadata-position="nav" track-metadata-eventdetail="nav" track-name="docs" aria-label="Docs, selected" data-category="Site-Wide Custom Events" data-label="Tab: Docs"> Docs </a> <a href="#" role="button" aria-haspopup="true" aria-expanded="false" aria-label="Dropdown menu for Docs" track-type="globalNav" track-metadata-position="nav" track-metadata-eventdetail="nav" track-name="docs" data-category="Site-Wide Custom Events" data-label="Tab: Docs" class="devsite-tabs-dropdown-toggle devsite-icon devsite-icon-arrow-drop-down"></a> <div class="devsite-tabs-dropdown" aria-label="submenu" hidden> <div class="devsite-tabs-dropdown-content"> <div class="devsite-tabs-dropdown-column "> <ul class="devsite-tabs-dropdown-section "> <li class="devsite-nav-item"> <a href="https://web.archive.org/web/20210409114107/https://firebase.google.com/docs" track-type="navMenu" track-name="Overview" track-metadata-position="nav" track-metadata-href="https://firebase.google.com/docs" tooltip> <div class="devsite-nav-item-title"> Overview </div> </a> </li> <li class="devsite-nav-item"> <a href="https://web.archive.org/web/20210409114107/https://firebase.google.com/docs/guides" track-type="navMenu" track-name="Fundamentals" track-metadata-position="nav" track-metadata-href="https://firebase.google.com/docs/guides" tooltip> <div class="devsite-nav-item-title"> Fundamentals </div> </a> </li> <li class="devsite-nav-item"> <a href="https://web.archive.org/web/20210409114107/https://firebase.google.com/docs/build" track-type="navMenu" track-name="Build" track-metadata-position="nav" track-metadata-href="https://firebase.google.com/docs/build" tooltip> <div class="devsite-nav-item-title"> Build </div> </a> </li> <li class="devsite-nav-item"> <a href="https://web.archive.org/web/20210409114107/https://firebase.google.com/docs/release" track-type="navMenu" track-name="Release & Monitor" track-metadata-position="nav" track-metadata-href="https://firebase.google.com/docs/release" tooltip> <div class="devsite-nav-item-title"> Release & Monitor </div> </a> </li> <li class="devsite-nav-item"> <a href="https://web.archive.org/web/20210409114107/https://firebase.google.com/docs/engage" track-type="navMenu" track-name="Engage" track-metadata-position="nav" track-metadata-href="https://firebase.google.com/docs/engage" tooltip> <div class="devsite-nav-item-title"> Engage </div> </a> </li> <li class="devsite-nav-item"> <a href="https://web.archive.org/web/20210409114107/https://firebase.google.com/docs/reference" track-type="navMenu" track-name="Reference" track-metadata-position="nav" track-metadata-href="https://firebase.google.com/docs/reference" tooltip> <div class="devsite-nav-item-title"> Reference </div> </a> </li> <li class="devsite-nav-item"> <a href="https://web.archive.org/web/20210409114107/https://firebase.google.com/docs/samples" track-type="navMenu" track-name="Samples" track-metadata-position="nav" track-metadata-href="https://firebase.google.com/docs/samples" tooltip> <div class="devsite-nav-item-title"> Samples </div> </a> </li> <li class="devsite-nav-item"> <a href="https://web.archive.org/web/20210409114107/https://firebase.google.com/docs/libraries" track-type="navMenu" track-name="Libraries" track-metadata-position="nav" track-metadata-href="https://firebase.google.com/docs/libraries" tooltip> <div class="devsite-nav-item-title"> Libraries </div> </a> </li> </ul> </div> </div> </div> </tab> <tab> <a href="https://web.archive.org/web/20210409114107/https://firebase.google.com/community" class="gc-analytics-event " track-type="globalNav" track-metadata-position="nav" track-metadata-eventdetail="nav" track-name="community" data-category="Site-Wide Custom Events" data-label="Tab: Community"> Community </a> </tab> <tab> <a href="https://web.archive.org/web/20210409114107/https://firebase.google.com/support" class="gc-analytics-event " track-type="globalNav" track-metadata-position="nav" track-metadata-eventdetail="nav" track-name="support" data-category="Site-Wide Custom Events" data-label="Tab: Support"> Support </a> </tab> </nav> </devsite-tabs> </div> <devsite-search aria-expanded="false" aria-haspopup="listbox" enable-signin enable-search enable-suggestions enable-query-completion project-name="Firebase" tenant-name="Firebase" role="combobox"> <form class="devsite-search-form" action="https://web.archive.org/web/20210409114107/https://firebase.google.com/s/results" method="GET"> <div class="devsite-search-container"> <div class="devsite-searchbox"> <input aria-activedescendant="" aria-autocomplete="list" aria-label="Search" aria-haspopup="false" aria-multiline="false" aria-label="Search box" autocomplete="off" class="devsite-search-field devsite-search-query" name="q" placeholder="Search" type="text" value=""> <div class="devsite-search-image material-icons" aria-hidden="true"></div> </div> <button type="button" search-open class="devsite-search-button devsite-header-icon-button button-flat material-icons" aria-label="Open search"></button> </div> </form> <button type="button" search-close class="devsite-search-button devsite-header-icon-button button-flat material-icons" aria-label="Close search"></button> </devsite-search> </div> <devsite-language-selector> <devsite-select class="devsite-language-selector-menu"> <select aria-label="Select your language preference." class="devsite-language-selector-select" name="language" track-name="click" track-type="languageSelector"> <option>Language</option> <option value="en" lang="en" track-metadata-original-language="en" track-metadata-selected-language="en" track-name="changed" track-type="languageSelector"> English </option> <option value="id" lang="id" track-metadata-original-language="en" track-metadata-selected-language="id" track-name="changed" track-type="languageSelector"> Bahasa Indonesia </option> <option value="de" lang="de" track-metadata-original-language="en" track-metadata-selected-language="de" track-name="changed" track-type="languageSelector"> Deutsch </option> <option value="es_419" lang="es_419" track-metadata-original-language="en" track-metadata-selected-language="es_419" track-name="changed" track-type="languageSelector"> Español – América Latina </option> <option value="fr" lang="fr" track-metadata-original-language="en" track-metadata-selected-language="fr" track-name="changed" track-type="languageSelector"> Français </option> <option value="it" lang="it" track-metadata-original-language="en" track-metadata-selected-language="it" track-name="changed" track-type="languageSelector"> Italiano </option> <option value="pl" lang="pl" track-metadata-original-language="en" track-metadata-selected-language="pl" track-name="changed" track-type="languageSelector"> Polski </option> <option value="pt_br" lang="pt_br" track-metadata-original-language="en" track-metadata-selected-language="pt_br" track-name="changed" track-type="languageSelector"> Português – Brasil </option> <option value="vi" lang="vi" track-metadata-original-language="en" track-metadata-selected-language="vi" track-name="changed" track-type="languageSelector"> Tiếng Việt </option> <option value="tr" lang="tr" track-metadata-original-language="en" track-metadata-selected-language="tr" track-name="changed" track-type="languageSelector"> Türkçe </option> <option value="ru" lang="ru" track-metadata-original-language="en" track-metadata-selected-language="ru" track-name="changed" track-type="languageSelector"> Русский </option> <option value="he" lang="he" track-metadata-original-language="en" track-metadata-selected-language="he" track-name="changed" track-type="languageSelector"> עברית' </option> <option value="ar" lang="ar" track-metadata-original-language="en" track-metadata-selected-language="ar" track-name="changed" track-type="languageSelector"> العربيّة </option> <option value="fa" lang="fa" track-metadata-original-language="en" track-metadata-selected-language="fa" track-name="changed" track-type="languageSelector"> فارسی </option> <option value="hi" lang="hi" track-metadata-original-language="en" track-metadata-selected-language="hi" track-name="changed" track-type="languageSelector"> हिंदी </option> <option value="bn" lang="bn" track-metadata-original-language="en" track-metadata-selected-language="bn" track-name="changed" track-type="languageSelector"> বাংলা </option> <option value="th" lang="th" track-metadata-original-language="en" track-metadata-selected-language="th" track-name="changed" track-type="languageSelector"> ภาษาไทย </option> <option value="zh_cn" lang="zh_cn" track-metadata-original-language="en" track-metadata-selected-language="zh_cn" track-name="changed" track-type="languageSelector"> 中文 – 简体 </option> <option value="zh_tw" lang="zh_tw" track-metadata-original-language="en" track-metadata-selected-language="zh_tw" track-name="changed" track-type="languageSelector"> 中文 – 繁體 </option> <option value="ja" lang="ja" track-metadata-original-language="en" track-metadata-selected-language="ja" track-name="changed" track-type="languageSelector"> 日本語 </option> <option value="ko" lang="ko" track-metadata-original-language="en" track-metadata-selected-language="ko" track-name="changed" track-type="languageSelector"> 한국어 </option> </select> </devsite-select> </devsite-language-selector> <a class="devsite-header-link devsite-top-button button gc-analytics-event" href="//web.archive.org/web/20210409114107/https://console.firebase.google.com/" data-category="Site-Wide Custom Events" data-label="Site header link"> Go to console </a> <devsite-user enable-profiles fp-auth id="devsite-user"></devsite-user> </div> </div> </div> <div class="devsite-collapsible-section "> <div class="devsite-header-background"> <div class="devsite-product-id-row"> <div class="devsite-product-description-row"> <ul class="devsite-breadcrumb-list"> <li class="devsite-breadcrumb-item "> <a href="https://web.archive.org/web/20210409114107/https://firebase.google.com/docs" class="devsite-breadcrumb-link gc-analytics-event" data-category="Site-Wide Custom Events" data-label="Lower Header" data-value="1" track-type="globalNav" track-name="breadcrumb" track-metadata-position="1" track-metadata-eventdetail=""> Documentation </a> </li> </ul> </div> </div> <div class="devsite-doc-set-nav-row"> <devsite-tabs class="lower-tabs"> <nav class="devsite-tabs-wrapper" aria-label="Lower tabs"> <tab> <a href="https://web.archive.org/web/20210409114107/https://firebase.google.com/docs" class="gc-analytics-event " track-type="globalNav" track-metadata-position="nav" track-metadata-eventdetail="nav" track-name="overview" data-category="Site-Wide Custom Events" data-label="Tab: Overview"> Overview </a> </tab> <tab dropdown> <a href="https://web.archive.org/web/20210409114107/https://firebase.google.com/docs/guides" class="gc-analytics-event " track-type="globalNav" track-metadata-position="nav" track-metadata-eventdetail="nav" track-name="fundamentals" data-category="Site-Wide Custom Events" data-label="Tab: Fundamentals"> Fundamentals </a> <a href="#" role="button" aria-haspopup="true" aria-expanded="false" aria-label="Dropdown menu for Fundamentals" track-type="globalNav" track-metadata-position="nav" track-metadata-eventdetail="nav" track-name="fundamentals" data-category="Site-Wide Custom Events" data-label="Tab: Fundamentals" class="devsite-tabs-dropdown-toggle devsite-icon devsite-icon-arrow-drop-down"></a> <div class="devsite-tabs-dropdown" aria-label="submenu" hidden> <div class="devsite-tabs-dropdown-content"> <div class="devsite-tabs-dropdown-column "> <ul class="devsite-tabs-dropdown-section "> <li class="devsite-nav-item"> <a href="https://web.archive.org/web/20210409114107/https://firebase.google.com/docs/ios/setup" track-type="navMenu" track-name="Add Firebase - iOS" track-metadata-position="nav" track-metadata-href="https://firebase.google.com/docs/ios/setup" tooltip> <div class="devsite-nav-item-title"> Add Firebase - iOS </div> </a> </li> <li class="devsite-nav-item"> <a href="https://web.archive.org/web/20210409114107/https://firebase.google.com/docs/android/setup" track-type="navMenu" track-name="Add Firebase - Android" track-metadata-position="nav" track-metadata-href="https://firebase.google.com/docs/android/setup" tooltip> <div class="devsite-nav-item-title"> Add Firebase - Android </div> </a> </li> <li class="devsite-nav-item"> <a href="https://web.archive.org/web/20210409114107/https://firebase.google.com/docs/web/setup" track-type="navMenu" track-name="Add Firebase - Web" track-metadata-position="nav" track-metadata-href="https://firebase.google.com/docs/web/setup" tooltip> <div class="devsite-nav-item-title"> Add Firebase - Web </div> </a> </li> <li class="devsite-nav-item"> <a href="https://web.archive.org/web/20210409114107/https://firebase.google.com/docs/cpp/setup" track-type="navMenu" track-name="Add Firebase - C++" track-metadata-position="nav" track-metadata-href="https://firebase.google.com/docs/cpp/setup" tooltip> <div class="devsite-nav-item-title"> Add Firebase - C++ </div> </a> </li> <li class="devsite-nav-item"> <a href="https://web.archive.org/web/20210409114107/https://firebase.google.com/docs/unity/setup" track-type="navMenu" track-name="Add Firebase - Unity" track-metadata-position="nav" track-metadata-href="https://firebase.google.com/docs/unity/setup" tooltip> <div class="devsite-nav-item-title"> Add Firebase - Unity </div> </a> </li> <li class="devsite-nav-item"> <a href="https://web.archive.org/web/20210409114107/https://firebase.google.com/docs/admin/setup" track-type="navMenu" track-name="Add Firebase - Server environments" track-metadata-position="nav" track-metadata-href="https://firebase.google.com/docs/admin/setup" tooltip> <div class="devsite-nav-item-title"> Add Firebase - Server environments </div> </a> </li> <li class="devsite-nav-item"> <a href="https://web.archive.org/web/20210409114107/https://firebase.google.com/docs/projects/learn-more" track-type="navMenu" track-name="Manage Projects" track-metadata-position="nav" track-metadata-href="https://firebase.google.com/docs/projects/learn-more" tooltip> <div class="devsite-nav-item-title"> Manage Projects </div> </a> </li> <li class="devsite-nav-item"> <a href="https://web.archive.org/web/20210409114107/https://firebase.google.com/docs/emulator-suite" track-type="navMenu" track-name="Use Emulator Suite" track-metadata-position="nav" track-metadata-href="https://firebase.google.com/docs/emulator-suite" tooltip> <div class="devsite-nav-item-title"> Use Emulator Suite </div> </a> </li> </ul> </div> </div> </div> </tab> <tab dropdown> <a href="https://web.archive.org/web/20210409114107/https://firebase.google.com/docs/build" class="gc-analytics-event " track-type="globalNav" track-metadata-position="nav" track-metadata-eventdetail="nav" track-name="build" data-category="Site-Wide Custom Events" data-label="Tab: Build"> Build </a> <a href="#" role="button" aria-haspopup="true" aria-expanded="false" aria-label="Dropdown menu for Build" track-type="globalNav" track-metadata-position="nav" track-metadata-eventdetail="nav" track-name="build" data-category="Site-Wide Custom Events" data-label="Tab: Build" class="devsite-tabs-dropdown-toggle devsite-icon devsite-icon-arrow-drop-down"></a> <div class="devsite-tabs-dropdown" aria-label="submenu" hidden> <div class="devsite-tabs-dropdown-content"> <div class="devsite-tabs-dropdown-column "> <ul class="devsite-tabs-dropdown-section "> <li class="devsite-nav-item"> <a href="https://web.archive.org/web/20210409114107/https://firebase.google.com/docs/emulator-suite" track-type="navMenu" track-name="Emulator Suite" track-metadata-position="nav" track-metadata-href="https://firebase.google.com/docs/emulator-suite" tooltip> <div class="devsite-nav-item-title"> Emulator Suite </div> </a> </li> <li class="devsite-nav-item"> <a href="https://web.archive.org/web/20210409114107/https://firebase.google.com/docs/auth" track-type="navMenu" track-name="Authentication" track-metadata-position="nav" track-metadata-href="https://firebase.google.com/docs/auth" tooltip> <div class="devsite-nav-item-title"> Authentication </div> </a> </li> <li class="devsite-nav-item"> <a href="https://web.archive.org/web/20210409114107/https://firebase.google.com/docs/database" track-type="navMenu" track-name="Realtime Database" track-metadata-position="nav" track-metadata-href="https://firebase.google.com/docs/database" tooltip> <div class="devsite-nav-item-title"> Realtime Database </div> </a> </li> <li class="devsite-nav-item"> <a href="https://web.archive.org/web/20210409114107/https://firebase.google.com/docs/firestore" track-type="navMenu" track-name="Firestore" track-metadata-position="nav" track-metadata-href="https://firebase.google.com/docs/firestore" tooltip> <div class="devsite-nav-item-title"> Firestore </div> </a> </li> <li class="devsite-nav-item"> <a 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track-metadata-position="nav" track-name="appIndexing"> <span class="devsite-nav-text" tooltip> App Indexing </span> </a> </li> </ul> </div> </div> </nav> </devsite-book-nav> <section id="gc-wrapper"> <main role="main" class="devsite-main-content"> <devsite-toc class="devsite-nav" disabled></devsite-toc> <devsite-content> <article class="devsite-article"><style> /* Styles inlined from /styles/docs.css */ .center { text-align: center } /* Used in AdMob code examples */ .oldcode { opacity: .40; /* IE 8 */ -ms-filter: "progid:DXImageTransform.Microsoft.Alpha(Opacity=40)"; filter: progid:DXImageTransform.Microsoft.Alpha(Opacity=40); /* IE <= 7 */ filter:alpha(opacity=40); } .newcode { font-weight: bold; } /* Device Screenshots */ .deviceshot { max-width: 700px; max-height: 400px; } /* Start Changelog styles */ .badge { position: relative; top: -3px; border-radius: 16px; display: inline-block; width: 90px; height: 32px; line-height: 32px; margin-right: 10px; text-transform: uppercase; font-size: 13px; font-weight: 700; text-align: center; } /* Colours for each type of changelog entry. */ /* TODO: Change the colours to match the site colour scheme */ .badge-changed { background-color: #F4B400; color: #fff; } .badge-fixed { background-color: #4285F4; color: #fff; } .badge-important { background-color: #DB4437; color: #fff; } .badge-feature { background-color: #0F9D58; color: #fff; } .badge-deprecated { background-color: #DB4437; color: #fff; } .badge-issue { background-color: #DB4437; color: #fff; } .changelog > ul { padding-left: 0; } .changelog > ul > li { list-style-type: none; margin-bottom: 22px; } .firebase-support-release-page .changelog > ul { list-style-type: none; padding-left: 110px; } .firebase-release-roundup .changelog > ul { list-style-type: disc outside; padding-left: 40px; } .firebase-release-roundup .changelog > ul > li { list-style-type: disc outside; margin-bottom: 12px; } .release-changed::before, .release-feature::before, .release-fixed::before, .release-issue::before, .release-deprecated::before, .release-removed::before, .release-unchanged::before, .release-rules::before, .release-android::before, .release-android-bom::before, .release-ios::before, .release-admin::before, .release-cpp::before, .release-unity::before, .release-functions::before, .release-javascript::before { display: block; float: left; color: white; width: 100px; height: 32px; margin-left: -110px; margin-right: 10px; margin-top: -5px; padding-top: 4px; text-transform: uppercase; font-size: 13px; font-weight: 700; text-align: center; border-radius: 16px; } .release-changed::before { content: "changed"; background-color: #F4B400; } .release-feature::before { content: "feature"; background-color: #0F9D58; } .release-fixed::before { content: "fixed"; background-color: #4285F4; } .release-issue::before { content: "issue"; background-color: #DB4437; } .release-deprecated::before { content: "deprecated"; background-color: #E65100; } .release-removed::before { content: "removed"; background-color: #546E7A; } .release-unchanged::before { content: "no change"; background-color: #CCCCCC; } .release-android::before { content: "android"; background-color: #A4C639; } .release-android-bom::before { content: "android bom"; background-color: #A4C639; } .release-ios::before { text-transform: none; content: "iOS"; background-color: #007aff; } .release-admin::before { content: "admin"; background-color: #039BE5; } .release-cpp::before { content: "c++"; background-color: #FF8A65; } .release-unity::before { content: "unity"; background-color: #00cccc; } .release-functions::before { content: "functions"; background-color: #2C384A; } .release-javascript::before { content: "javascript"; background-color: #7e57c2; } .release-rules::before { content: "rules"; background-color: #1B3A57; } /* End Changelog styles */ /* Docs Overview page styles */ .docs-android, .docs-ios, .docs-web, .docs-cpp, .docs-unity { height: 64px; width: 64px; margin: 10px 16px 0 -16px; } .firebase-docs-overview .devsite-landing-row h2 { margin: 80px 0 -40px; } .devsite-landing-row-3-up .docs-landing-row-item { width: calc((100% - 80px)/2); display: inline-block; } .docs-landing-icon { font-size: 48px; height: 48px; margin: 11px; width: 48px; } .firebase-reference-list { display: -ms-flex; display: flex; -ms-flex-wrap: wrap; flex-wrap: wrap; list-style: none; margin: 0 0 40px; padding: 0; } .firebase-reference-list-item { -ms-flex: 0 0 50%; flex: 0 0 50%; margin: 40px 0 0; padding: 0; } .firebase-reference-list-item > a { -ms-flex-align: center; align-items: center; display: -ms-flex; display: flex; } .firebase-reference-list-item > a:not(:hover) h3 { color: #424242; } .firebase-reference-list-item > a:not(:hover) li, .firebase-reference-list-item > a:not(:hover) p { color: #757575; } .firebase-reference-list-item .docs-landing-icon { -ms-flex-align: center; align-items: center; background-color: #f5f5f5; border-radius: 50%; -ms-flex: 0 0 88px; flex: 0 0 88px; height: 88px; -ms-justify-content: center; justify-content: center; margin: 0 16px 0 0; padding: 20px; } .firebase-reference-list-item h3 { -ms-flex: 0 0 auto; flex: 0 0 auto; font-size: 18px; line-height: 28px; margin: 0; } .firebase-reference-list-item ul { list-style: none; padding: 0; } .docs-android, .docs-ios, .docs-web, .docs-cpp, .docs-unity { height: 88px; width: auto; } .firebase-reference-list-item.docs-android .docs-landing-icon { color: #00bfa5; } .firebase-reference-list-item.docs-cpp .docs-landing-icon { color: #fd8c09; } .firebase-reference-list-item.docs-ios .docs-landing-icon { color: #16aaca; } .firebase-reference-list-item.docs-unity .docs-landing-icon { color: #000000; } .firebase-reference-list-item.docs-web .docs-landing-icon { color: #c52062; } .firebase-reference-list-item.docs-http .docs-landing-icon { color: #3F51B5; } @media (max-width: 1000px) { .firebase-reference-list { -ms-flex-direction: column; flex-direction: column; } } /* end Docs Overview page styles */ /* 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project-feedback-url="https://firebase.google.com/support/contact/bugs-features/" project-icon="https://firebase.google.com/_static/firebase/images/logo.png" project-support-url="https://firebase.google.com/support/" feedback-type="star-rating"> <button> Send feedback </button> </devsite-feedback> <devsite-toc class="devsite-nav" devsite-toc-embedded disabled> </devsite-toc> <div class="devsite-article-body clearfix devsite-no-page-title"> <div class="filter-headings"> <span class="filter-label"><i class="material-icons" aria-hidden="true" translate="no">filter_list</i> Filter by</span> <devsite-select id="filter1" class="filter-heading"> <select> <option>All platforms</option> <option>Android</option> <option>C++</option> <option>Go</option> <option>iOS</option> <option>Java</option> <option>Node.js</option> <option>Python</option> <option>Unity</option> <option>Web</option> </select> </devsite-select> </div> <div class="filter-content"> <devsite-filter select-el-container-id="filter1" sortable="0"> <h2 id="client-sdks" data-text="Client SDKs">Client SDKs</h2> <p> Official Firebase SDKs for use in web and mobile apps </p> <div id="sdk-content" class="firebase-filterable-table"> <table> <thead> <tr> <th>Title</th> <th>Description</th> <th class="hidden">_platforms</th> <th>Docs</th> <th>Source</th> </tr> </thead> <tbody class="list"> <tr> <td>Firebase Android SDK</td> <td>The official Firebase Android SDK</td> <td class="hidden">Android</td> <td><a href="/web/20210409114107/https://firebase.google.com/docs/android/setup"><span class="gmp-platform-icons gmp-icon-android material-icons" data-tooltip="Android supported" aria-hidden="true" translate="no">plat_android</span></a></td> <td><a href="https://web.archive.org/web/20210409114107/https://github.com/firebase/firebase-android-sdk">GitHub</a></td> </tr> <tr> <td>Firebase iOS SDK</td> <td>The official Firebase iOS SDK</td> <td class="hidden">iOS</td> <td><a href="/web/20210409114107/https://firebase.google.com/docs/ios/setup"><span class="gmp-platform-icons gmp-icon-ios material-icons" data-tooltip="iOS supported" aria-hidden="true" translate="no">plat_ios</span></a></td> <td><a href="https://web.archive.org/web/20210409114107/https://github.com/firebase/firebase-ios-sdk">GitHub</a></td> </tr> <tr> <td>Firebase JavaScript SDK</td> <td>The official Firebase JavaScript SDK</td> <td class="hidden">Web</td> <td><a href="/web/20210409114107/https://firebase.google.com/docs/web/setup"><span class="gmp-platform-icons gmp-icon-web material-icons" data-tooltip="Web supported" aria-hidden="true" translate="no">plat_web</span></a></td> <td><a href="https://web.archive.org/web/20210409114107/https://github.com/firebase/firebase-js-sdk">GitHub</a></td> </tr> <tr> <td>Firebase C++ SDK</td> <td>The official Firebase C++ SDK</td> <td class="hidden">C++</td> <td><a href="/web/20210409114107/https://firebase.google.com/docs/cpp/setup"><span class="gmp-platform-icons gmp-icon-cpp material-icons" data-tooltip="C++ supported" aria-hidden="true" translate="no">plat_cpp</span></a></td> <td><a href="https://web.archive.org/web/20210409114107/https://github.com/firebase/firebase-cpp-sdk">GitHub</a></td> </tr> <tr> <td>Firebase Unity SDK</td> <td>The official Firebase Unity SDK</td> <td class="hidden">Unity</td> <td><a href="/web/20210409114107/https://firebase.google.com/docs/unity/setup"><span class="gmp-platform-icons gmp-icon-unity material-icons" data-tooltip="Unity supported" aria-hidden="true" translate="no">plat_unity</span></a></td> <td>N/A</td> </tr> </tbody> </table> </div> </devsite-filter> <devsite-filter select-el-container-id="filter1" sortable="0"> <h2 id="admin-sdks" data-text="Admin SDKs">Admin SDKs</h2> <p> Official Firebase SDKs for performing administrative actions in privileged environments </p> <div id="sdk-content" class="firebase-filterable-table"> <table> <thead> <tr> <th>Title</th> <th>Description</th> <th class="hidden">_platforms</th> <th>Docs</th> <th>Source</th> </tr> </thead> <tbody class="list"> <tr> <td>Firebase Node.js Admin SDK</td> <td>The official Firebase Node.js Admin SDK</td> <td class="hidden">Node.js</td> <td><a href="/web/20210409114107/https://firebase.google.com/docs/admin/setup"><span class="gmp-platform-icons gmp-icon-node material-icons" data-tooltip="Node.js supported" aria-hidden="true" translate="no">plat_node</span></a></td> <td><a href="https://web.archive.org/web/20210409114107/https://github.com/firebase/firebase-admin-node">GitHub</a></td> </tr> <tr> <td>Firebase Java Admin SDK</td> <td>The official Firebase Java Admin SDK</td> <td class="hidden">Java</td> <td><a href="/web/20210409114107/https://firebase.google.com/docs/admin/setup"><span class="gmp-platform-icons gmp-icon-java material-icons" data-tooltip="Java supported" aria-hidden="true" translate="no">plat_java</span></a></td> <td><a href="https://web.archive.org/web/20210409114107/https://github.com/firebase/firebase-admin-java">GitHub</a></td> </tr> <tr> <td>Firebase Python Admin SDK</td> <td>The official Firebase Python Admin SDK</td> <td class="hidden">Python</td> <td><a href="/web/20210409114107/https://firebase.google.com/docs/admin/setup"><span class="gmp-platform-icons gmp-icon-python material-icons" data-tooltip="Python supported" aria-hidden="true" translate="no">plat_python</span></a></td> <td><a href="https://web.archive.org/web/20210409114107/https://github.com/firebase/firebase-admin-python">GitHub</a></td> </tr> <tr> <td>Firebase Go Admin SDK</td> <td>The official Firebase Go Admin SDK</td> <td class="hidden">Go</td> <td><a href="/web/20210409114107/https://firebase.google.com/docs/admin/setup"><span class="gmp-platform-icons gmp-icon-golang material-icons" data-tooltip="Go supported" aria-hidden="true" translate="no">plat_go</span></a></td> <td><a href="https://web.archive.org/web/20210409114107/https://github.com/firebase/firebase-admin-go">GitHub</a></td> </tr> </tbody> </table> </div> </devsite-filter> <devsite-filter select-el-container-id="filter1" sortable="0"> <h2 id="command-line-tools" data-text="Command Line Tools">Command Line Tools</h2> <p> Tools for interacting with Firebase from the command line </p> <div id="utitities-content" class="firebase-filterable-table"> <table> <thead> <tr> <th>Title</th> <th>Description</th> <th class="hidden">_platforms</th> <th>Docs</th> <th>Source</th> </tr> </thead> <tbody class="list"> <tr> <td>Firebase Tools</td> <td>The Firebase command line tool (Firebase CLI)</td> <td class="hidden">Web</td> <td> <a class="link gc-analytics-event" data-category="exitLinks" data-action="linkClick" data-label="library-firebase-tools" href="https://web.archive.org/web/20210409114107/https://firebaseopensource.com/projects/firebase/firebase-tools"> <span class="gmp-platform-icons gmp-icon-node material-icons" data-tooltip="Node.js supported" aria-hidden="true" translate="no">plat_node</span> </a> </td> <td><a href="https://web.archive.org/web/20210409114107/https://github.com/firebase/firebase-tools">GitHub</a></td> </tr> </tbody> </table> </div> </devsite-filter> <devsite-filter select-el-container-id="filter1" sortable="0"> <h2 id="framework-libraries" data-text="Framework Libraries">Framework Libraries</h2> <p> Libraries for binding Firebase to popular development frameworks. While we recommend these libraries for developers looking to bind Firebase to their favorite frameworks, these are <b>not official Firebase SDKs</b> and are not covered by Firebase support. For support using these libraries, file issues directly on GitHub. </p> <div id="framework-content" class="firebase-filterable-table"> <table> <thead> <tr> <th>Title</th> <th>Description</th> <th class="hidden">_platforms</th> <th>Docs</th> <th>Source</th> </tr> </thead> <tbody class="list"> <tr> <td>AngularFire</td> <td>Angular bindings for Firebase</td> <td class="hidden">Web</td> <td> <a class="link gc-analytics-event" data-category="exitLinks" data-action="linkClick" data-label="library-angularfire" href="https://web.archive.org/web/20210409114107/https://github.com/angular/angularfire2"> <span class="gmp-platform-icons gmp-icon-web material-icons" data-tooltip="Web supported" aria-hidden="true" translate="no">plat_web</span> </a> </td> <td><a href="https://web.archive.org/web/20210409114107/https://github.com/angular/angularfire2">GitHub</a></td> </tr> <tr> <td>EmberFire</td> <td>Ember bindings for Firebase</td> <td class="hidden">Web</td> <td> <a class="link gc-analytics-event" data-category="exitLinks" data-action="linkClick" data-label="library-emberfire" href="https://web.archive.org/web/20210409114107/https://firebaseopensource.com/projects/firebaseextended/emberfire"> <span class="gmp-platform-icons gmp-icon-web material-icons" data-tooltip="Web supported" aria-hidden="true" translate="no">plat_web</span> </a> </td> <td><a href="https://web.archive.org/web/20210409114107/https://github.com/firebase/emberfire">GitHub</a></td> </tr> <tr> <td>FlutterFire</td> <td>Flutter bindings for Firebase</td> <td class="hidden">Flutter</td> <td> <a class="link gc-analytics-event" data-category="exitLinks" data-action="linkClick" data-label="library-flutterfire" href="https://web.archive.org/web/20210409114107/https://github.com/FirebaseExtended/FlutterFire"> <span class="gmp-platform-icons gmp-icon-ios material-icons" data-tooltip="iOS supported" aria-hidden="true" translate="no">plat_ios</span> </a> <a class="link gc-analytics-event" data-category="exitLinks" data-action="linkClick" data-label="library-flutterfire" href="https://web.archive.org/web/20210409114107/https://github.com/FirebaseExtended/FlutterFire"> <span class="gmp-platform-icons gmp-icon-android material-icons" data-tooltip="Android supported" aria-hidden="true" translate="no">plat_android</span> </a> </td> <td><a href="https://web.archive.org/web/20210409114107/https://github.com/FirebaseExtended/FlutterFire">GitHub</a></td> </tr> <tr> <td>ReactFire</td> <td>React bindings for Firebase</td> <td class="hidden">Web</td> <td> <a class="link gc-analytics-event" data-category="exitLinks" data-action="linkClick" data-label="library-reactfire" href="https://web.archive.org/web/20210409114107/https://github.com/FirebaseExtended/reactfire"> <span class="gmp-platform-icons gmp-icon-web material-icons" data-tooltip="Web supported" aria-hidden="true" translate="no">plat_web</span> </a> </td> <td><a href="https://web.archive.org/web/20210409114107/https://github.com/FirebaseExtended/reactfire">GitHub</a></td> </tr> <tr> <td>React Native Firebase</td> <td>React Native bindings for Firebase</td> <td class="hidden">Android,iOS</td> <td> <a class="link gc-analytics-event" data-category="exitLinks" data-action="linkClick" data-label="library-rnfirebase" href="https://web.archive.org/web/20210409114107/https://invertase.io/oss/react-native-firebase/"> <span class="gmp-platform-icons gmp-icon-ios material-icons" data-tooltip="iOS supported" aria-hidden="true" translate="no">plat_ios</span> </a> <a class="link gc-analytics-event" data-category="exitLinks" data-action="linkClick" data-label="library-rnfirebase" href="https://web.archive.org/web/20210409114107/https://invertase.io/oss/react-native-firebase/"> <span class="gmp-platform-icons gmp-icon-android material-icons" data-tooltip="Android supported" aria-hidden="true" translate="no">plat_android</span> </a> </td> <td><a href="https://web.archive.org/web/20210409114107/https://github.com/invertase/react-native-firebase">GitHub</a></td> </tr> <tr> <td>RxFire</td> <td>RxJS bindings for Firebase</td> <td class="hidden">Web</td> <td> <a class="link gc-analytics-event" data-category="exitLinks" data-action="linkClick" data-label="library-rxfire" href="https://web.archive.org/web/20210409114107/https://firebaseopensource.com/projects/firebase/firebase-js-sdk/packages/rxfire/readme.md/"> <span class="gmp-platform-icons gmp-icon-web material-icons" data-tooltip="Web supported" aria-hidden="true" translate="no">plat_web</span> </a> </td> <td><a href="https://web.archive.org/web/20210409114107/https://github.com/firebase/firebase-js-sdk/tree/master/packages/rxfire">GitHub</a></td> </tr> <tr> <td>Vuefire</td> <td>Vue bindings for Firebase</td> <td class="hidden">Web</td> <td> <a class="link gc-analytics-event" data-category="exitLinks" data-action="linkClick" data-label="library-rnfirebase" href="https://web.archive.org/web/20210409114107/https://vuefire.vuejs.org/"> <span class="gmp-platform-icons gmp-icon-web material-icons" data-tooltip="Web supported" aria-hidden="true" translate="no">plat_web</span> </a> </td> <td><a href="https://web.archive.org/web/20210409114107/https://github.com/vuejs/vuefire">GitHub</a></td> </tr> </tbody> </table> </div> </devsite-filter> <devsite-filter select-el-container-id="filter1" sortable="0"> <h2 id="other-libraries-and-tools" data-text="Other Libraries and Tools">Other Libraries and Tools</h2> <p> Libraries to simplify common Firebase tasks and integrations </p> <div id="helpers-content" class="firebase-filterable-table"> <table> <thead> <tr> <th>Title</th> <th>Description</th> <th class="hidden">_platforms</th> <th>Docs</th> <th>Source</th> </tr> </thead> <tbody class="list"> <tr> <td>FirebaseUI</td> <td> An open-source library of UI components for various Firebase features </td> <td class="hidden">iOS, Android, Web</td> <td> <a class="link gc-analytics-event" data-category="exitLinks" data-action="linkClick" data-label="library-firebaseui-ios" href="https://web.archive.org/web/20210409114107/https://firebaseopensource.com/projects/firebase/firebaseui-ios"> <span class="gmp-platform-icons gmp-icon-ios material-icons" data-tooltip="iOS supported" aria-hidden="true" translate="no">plat_ios</span> </a> <a class="link gc-analytics-event" data-category="exitLinks" data-action="linkClick" data-label="library-firebaseui-android" href="https://web.archive.org/web/20210409114107/https://firebaseopensource.com/projects/firebase/firebaseui-android"> <span class="gmp-platform-icons gmp-icon-android material-icons" data-tooltip="Android supported" aria-hidden="true" translate="no">plat_android</span> </a> <a class="link gc-analytics-event" data-category="exitLinks" data-action="linkClick" data-label="library-firebaseui-web" 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material-icons" data-tooltip="Web supported" aria-hidden="true" translate="no">plat_web</span> </a> </td> <td><a href="https://web.archive.org/web/20210409114107/https://github.com/FirebaseExtended/firebase-dart">GitHub</a></td> </tr> <tr> <td>GeoFire</td> <td> An open-source library for Firebase Realtime Database that adds support for geospatial querying </td> <td class="hidden">iOS, Android, Web</td> <td> <a class="link gc-analytics-event" data-category="exitLinks" data-action="linkClick" data-label="library-geofire-objc" href="https://web.archive.org/web/20210409114107/https://firebaseopensource.com/projects/firebase/geofire-objc"> <span class="gmp-platform-icons gmp-icon-ios material-icons" data-tooltip="iOS supported" aria-hidden="true" translate="no">plat_ios</span> </a> <a class="link gc-analytics-event" data-category="exitLinks" data-action="linkClick" data-label="library-geofire-android" 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<td>FirePad</td> <td> An open source library to add a shared editor to a web app </td> <td class="hidden">Web</td> <td> <a class="link gc-analytics-event" data-category="exitLinks" data-action="linkClick" data-label="library-firepad" href="https://web.archive.org/web/20210409114107/https://github.com/firebase/firepad"> <span class="gmp-platform-icons gmp-icon-web material-icons" data-tooltip="Web supported" aria-hidden="true" translate="no">plat_web</span> </a> </td> <td><a href="https://web.archive.org/web/20210409114107/https://github.com/firebase/firepad">GitHub</a></td> </tr> <tr> <td>Firebase Import</td> <td> A utility which helps import large JSON files into Firebase Realtime Database </td> <td class="hidden">NodeJS</td> <td> <a class="link gc-analytics-event" data-category="exitLinks" data-action="linkClick" data-label="library-firebase-import" href="https://web.archive.org/web/20210409114107/https://github.com/FirebaseExtended/firebase-import"> <span class="gmp-platform-icons 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