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<!doctype html><html lang="en"><head><meta charset="utf-8"><title>Install | Flutter</title><link rel="icon" href="/assets/images/branding/flutter/icon/64.png" eleventy:ignore><link rel="apple-touch-icon" href="/assets/images/branding/flutter/logo/flutter-logomark-320px.png" eleventy:ignore><meta name="viewport" content="width=device-width,initial-scale=1"><meta name="theme-color" content="#ffffff"><link rel="preconnect" href="https://fonts.googleapis.com"><link rel="preconnect" href="https://fonts.gstatic.com" crossorigin><meta name="google-site-verification" content="HFqxhSbf9YA_0rBglNLzDiWnrHiK_w4cqDh2YD2GEY4"><script>!function(e,t,a,n){e[n]=e[n]||[],e[n].push({"gtm.start":(new Date).getTime(),event:"gtm.js"});var g=t.getElementsByTagName(a)[0],m=t.createElement(a);m.async=!0,m.src="https://www.googletagmanager.com/gtm.js?id=GTM-ND4LWWZ",g.parentNode.insertBefore(m,g)}(window,document,"script","dataLayer")</script><script>!function(e,a,t,n,c,o,s){e.GoogleAnalyticsObject=c,e[c]=e[c]||function(){(e[c].q=e[c].q||[]).push(arguments)},e[c].l=1*new Date,o=a.createElement(t),s=a.getElementsByTagName(t)[0],o.async=1,o.src="//www.google-analytics.com/analytics.js",s.parentNode.insertBefore(o,s)}(window,document,"script",0,"ga"),ga("create","UA-67589403-1","auto"),ga("send","pageview")</script><meta name="description" content="Install Flutter and get started. 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aria-expanded="false" aria-controls="header-sidenav-4">Stay up to date</a><ul class="nav flex-column flex-nowrap collapse" id="header-sidenav-4"><li class="nav-item"><a class="nav-link" href="/release/upgrade">Upgrade</a></li><li class="nav-item"><a class="nav-link" href="/release/archive">SDK archive</a></li><div class="dropdown-divider"></div><li class="nav-item"><a class="nav-link" href="/release/whats-new">What's new</a></li><li class="nav-item"><a class="nav-link" href="/release/release-notes">Release notes</a></li><li class="nav-item"><a class="nav-link" href="/release/breaking-changes">Breaking changes</a></li><li class="nav-item"><a class="nav-link" href="/release/compatibility-policy">Compatibility policy</a></li></ul></li><li class="nav-item"><a class="nav-link collapsed collapsible" data-toggle="collapse" href="#header-sidenav-5" role="button" aria-expanded="false" aria-controls="header-sidenav-5">App solutions</a><ul class="nav flex-column flex-nowrap collapse" id="header-sidenav-5"><li class="nav-item"><a class="nav-link collapsible collapsed" data-toggle="collapse" data-target="#header-sidenav-5-1" href="#header-sidenav-5-1" role="button" aria-expanded="false" aria-controls="header-sidenav-5-1">AI</a><ul class="nav flex-column flex-nowrap collapse" id="header-sidenav-5-1"><li class="nav-item"><a class="nav-link" href="/resources/ai-overview">Overview</a></li><li class="nav-item"><a class="nav-link" href="https://ai.google.dev/gemini-api/docs/get-started/dart" target="_blank" rel="noopener">Get started with the Gemini API</a></li><li class="nav-item"><a class="nav-link" href="https://pub.dev/packages/google_generative_ai" target="_blank" rel="noopener">Google AI Dart SDK (pub.dev)</a></li><li class="nav-item"><a class="nav-link" href="https://www.youtube.com/watch?v=1AuzJEiHjO4" target="_blank" rel="noopener">Build with Google AI Dart SDK (video)</a></li></ul></li><li class="nav-item"><a class="nav-link collapsible collapsed" data-toggle="collapse" data-target="#header-sidenav-5-2" href="#header-sidenav-5-2" role="button" aria-expanded="false" aria-controls="header-sidenav-5-2">Firebase & Firestore</a><ul class="nav flex-column flex-nowrap collapse" id="header-sidenav-5-2"><li class="nav-item"><a class="nav-link" href="/data-and-backend/firebase">Overview</a></li><li class="nav-item"><a class="nav-link" href="https://firebase.google.com/docs/flutter" target="_blank" rel="noopener">Discover Firebase for Flutter</a></li><li class="nav-item"><a class="nav-link" href="https://www.youtube.com/watch?v=wUSkeTaBonA" target="_blank" rel="noopener">Get to know Firebase for Flutter</a></li><li class="nav-item"><a class="nav-link" href="https://firebase.google.com/codelabs/firebase-auth-in-flutter-apps" target="_blank" rel="noopener">Add a user authentication flow to a Flutter app using FirebaseUI</a></li><li class="nav-item"><a class="nav-link" href="https://firebase.google.com/codelabs/firebase-get-to-know-web" target="_blank" rel="noopener">Get to know Firebase for web</a></li></ul></li><li class="nav-item"><a class="nav-link collapsible collapsed" data-toggle="collapse" data-target="#header-sidenav-5-3" href="#header-sidenav-5-3" role="button" aria-expanded="false" aria-controls="header-sidenav-5-3">Games</a><ul class="nav flex-column flex-nowrap collapse" id="header-sidenav-5-3"><li class="nav-item"><a class="nav-link" href="/resources/games-toolkit">Overview</a></li><li class="nav-item"><a class="nav-link" href="/cookbook/games/achievements-leaderboard">Add achievements and leaderboards</a></li><li class="nav-item"><a class="nav-link" href="https://firebase.google.com/codelabs/build-leaderboards-with-firestore#0" target="_blank" rel="noopener">Build leaderboards with Firestore</a></li><li class="nav-item"><a class="nav-link" href="/cookbook/plugins/google-mobile-ads">Add advertising</a></li><li class="nav-item"><a class="nav-link" href="/cookbook/games/firestore-multiplayer">Add multiplayer support</a></li><li class="nav-item"><a class="nav-link" href="https://codelabs.developers.google.com/codelabs/flutter-in-app-purchases" target="_blank" rel="noopener">Add in-app purchases</a></li><li class="nav-item"><a class="nav-link" href="https://firebase.google.com/codelabs/firebase-auth-in-flutter-apps" target="_blank" rel="noopener">Add user authentication</a></li><li class="nav-item"><a class="nav-link" href="https://firebase.google.com/docs/crashlytics/get-started?platform=flutter" target="_blank" rel="noopener">Debug using Crashlytics</a></li><li class="nav-item"><a class="nav-link" href="https://codelabs.developers.google.com/codelabs/flutter-flame-brick-breaker" target="_blank" rel="noopener">Intro to Flame with Flutter</a></li></ul></li><li class="nav-item"><a class="nav-link collapsible collapsed" data-toggle="collapse" data-target="#header-sidenav-5-4" href="#header-sidenav-5-4" role="button" aria-expanded="false" aria-controls="header-sidenav-5-4">Monetization</a><ul class="nav flex-column flex-nowrap collapse" id="header-sidenav-5-4"><li class="nav-item"><a class="nav-link collapsible collapsed" data-toggle="collapse" data-target="#header-sidenav-5-4-1" href="#header-sidenav-5-4-1" role="button" aria-expanded="false" aria-controls="header-sidenav-5-4-1">Advertising</a><ul class="nav flex-column flex-nowrap collapse" id="header-sidenav-5-4-1"><li class="nav-item"><a class="nav-link" href="/resources/ads-overview">Ads overview</a></li><li class="nav-item"><a class="nav-link" href="/cookbook/plugins/google-mobile-ads">Add advertising</a></li><li class="nav-item"><a class="nav-link" href="https://codelabs.developers.google.com/codelabs/admob-ads-in-flutter" target="_blank" rel="noopener">Add AdMob ads to your Flutter app</a></li><li class="nav-item"><a class="nav-link" href="https://codelabs.developers.google.com/codelabs/admob-inline-ads-in-flutter" target="_blank" rel="noopener">Add an AdMob banner and native inline ads</a></li><li class="nav-item"><a class="nav-link" href="https://developers.google.com/admob/flutter/mediation" target="_blank" rel="noopener">Google AdMob mediation</a></li><li class="nav-item"><a class="nav-link" href="https://pub.dev/packages/interactive_media_ads" target="_blank" rel="noopener">Interactive Media Ads SDK</a></li></ul></li><li class="nav-item"><a class="nav-link collapsible collapsed" data-toggle="collapse" data-target="#header-sidenav-5-4-2" href="#header-sidenav-5-4-2" role="button" aria-expanded="false" aria-controls="header-sidenav-5-4-2">In-app purchases</a><ul class="nav flex-column flex-nowrap collapse" id="header-sidenav-5-4-2"><li class="nav-item"><a class="nav-link" href="/resources/in-app-purchases-overview">In-app purchases overview</a></li><li class="nav-item"><a class="nav-link" href="https://codelabs.developers.google.com/codelabs/flutter-in-app-purchases" target="_blank" rel="noopener">Add in-app purchases</a></li></ul></li><li class="nav-item"><a class="nav-link collapsible collapsed" data-toggle="collapse" data-target="#header-sidenav-5-4-3" href="#header-sidenav-5-4-3" role="button" aria-expanded="false" aria-controls="header-sidenav-5-4-3">Payments</a><ul class="nav flex-column flex-nowrap collapse" id="header-sidenav-5-4-3"><li class="nav-item"><a class="nav-link" href="/resources/payments-overview">Payments overview</a></li><li class="nav-item"><a class="nav-link" href="https://pub.dev/packages/pay" target="_blank" rel="noopener">Google pay package</a></li></ul></li></ul></li><li class="nav-item"><a class="nav-link collapsible collapsed" data-toggle="collapse" data-target="#header-sidenav-5-5" href="#header-sidenav-5-5" role="button" aria-expanded="false" aria-controls="header-sidenav-5-5">Maps</a><ul class="nav flex-column flex-nowrap collapse" id="header-sidenav-5-5"><li class="nav-item"><a class="nav-link" href="https://codelabs.developers.google.com/codelabs/google-maps-in-flutter" target="_blank" rel="noopener">Add Google maps to a Flutter app</a></li><li class="nav-item"><a class="nav-link" href="https://developers.google.com/maps/flutter-package" target="_blank" rel="noopener">Google Maps package</a></li></ul></li><li class="nav-item"><a class="nav-link collapsible collapsed" data-toggle="collapse" data-target="#header-sidenav-5-6" href="#header-sidenav-5-6" role="button" aria-expanded="false" aria-controls="header-sidenav-5-6">News</a><ul class="nav flex-column flex-nowrap collapse" id="header-sidenav-5-6"><li class="nav-item"><a class="nav-link" href="/resources/news-toolkit">Build a news app</a></li></ul></li></ul></li><li aria-hidden="true"><div class="sidebar-primary-divider"></div></li><li class="nav-header">User interface</li><li class="nav-item"><a class="nav-link" href="/ui">Introduction</a></li><li class="nav-item"><a class="nav-link" href="/ui/widgets">Widget catalog</a></li><li class="nav-item"><a class="nav-link collapsed collapsible" data-toggle="collapse" href="#header-sidenav-10" role="button" aria-expanded="false" aria-controls="header-sidenav-10">Layout</a><ul class="nav flex-column flex-nowrap collapse" id="header-sidenav-10"><li class="nav-item"><a class="nav-link" href="/ui/layout">Introduction</a></li><li class="nav-item"><a class="nav-link" href="/ui/layout/tutorial">Build a layout</a></li><li class="nav-item"><a class="nav-link collapsible collapsed" data-toggle="collapse" data-target="#header-sidenav-10-3" href="/ui/layout/lists" role="button" aria-expanded="false" aria-controls="header-sidenav-10-3">Lists & grids</a><ul class="nav flex-column flex-nowrap collapse" id="header-sidenav-10-3"><li class="nav-item"><a class="nav-link" href="/cookbook/lists/basic-list">Create and use lists</a></li><li class="nav-item"><a class="nav-link" href="/cookbook/lists/horizontal-list">Create a horizontal list</a></li><li class="nav-item"><a class="nav-link" href="/cookbook/lists/grid-lists">Create a grid view</a></li><li class="nav-item"><a class="nav-link" href="/cookbook/lists/mixed-list">Create lists with different types of items</a></li><li class="nav-item"><a class="nav-link" href="/cookbook/lists/spaced-items">Create lists with spaced items</a></li><li class="nav-item"><a class="nav-link" href="/cookbook/lists/long-lists">Work with long lists</a></li></ul></li><li class="nav-item"><a class="nav-link collapsible collapsed" data-toggle="collapse" data-target="#header-sidenav-10-4" href="/ui/layout/scrolling" role="button" aria-expanded="false" aria-controls="header-sidenav-10-4">Scrolling</a><ul class="nav flex-column flex-nowrap collapse" id="header-sidenav-10-4"><li class="nav-item"><a class="nav-link" href="/ui/layout/scrolling">Overview</a></li><li class="nav-item"><a class="nav-link" href="/ui/layout/scrolling/slivers">Use slivers to achieve fancy scrolling</a></li><li class="nav-item"><a class="nav-link" href="/cookbook/lists/floating-app-bar">Place a floating app bar above a list</a></li><li class="nav-item"><a class="nav-link" href="/cookbook/effects/parallax-scrolling">Create a scrolling parallax effect</a></li></ul></li></ul></li><li class="nav-item"><a class="nav-link collapsed collapsible" data-toggle="collapse" href="#header-sidenav-11" role="button" aria-expanded="false" aria-controls="header-sidenav-11">Adaptive & responsive design</a><ul class="nav flex-column flex-nowrap collapse" id="header-sidenav-11"><li class="nav-item"><a class="nav-link" href="/ui/adaptive-responsive">Overview</a></li><li class="nav-item"><a class="nav-link" href="/ui/adaptive-responsive/general">General approach</a></li><li class="nav-item"><a class="nav-link" href="/ui/adaptive-responsive/safearea-mediaquery">SafeArea & MediaQuery</a></li><li class="nav-item"><a class="nav-link" href="/ui/adaptive-responsive/large-screens">Large screens & foldables</a></li><li class="nav-item"><a class="nav-link" href="/ui/adaptive-responsive/input">User input & accessibility</a></li><li class="nav-item"><a class="nav-link" href="/ui/adaptive-responsive/capabilities">Capabilities & policies</a></li><li class="nav-item"><a class="nav-link" href="/ui/adaptive-responsive/best-practices">Best practices</a></li><li class="nav-item"><a class="nav-link" href="/ui/adaptive-responsive/more-info">Additional resources</a></li></ul></li><li class="nav-item"><a class="nav-link collapsed collapsible" data-toggle="collapse" href="#header-sidenav-12" role="button" aria-expanded="false" aria-controls="header-sidenav-12">Design & theming</a><ul class="nav flex-column flex-nowrap collapse" id="header-sidenav-12"><li class="nav-item"><a class="nav-link" href="/cookbook/design/themes">Share styles with themes</a></li><li class="nav-item"><a class="nav-link" href="/ui/design/material">Material design</a></li><li class="nav-item"><a class="nav-link" href="/release/breaking-changes/material-3-migration">Migrate to Material 3</a></li><li class="nav-item"><a class="nav-link collapsible collapsed" data-toggle="collapse" data-target="#header-sidenav-12-4" href="/ui/design/text" role="button" aria-expanded="false" aria-controls="header-sidenav-12-4">Text</a><ul class="nav flex-column flex-nowrap collapse" id="header-sidenav-12-4"><li class="nav-item"><a class="nav-link" href="/ui/design/text/typography">Fonts & typography</a></li><li class="nav-item"><a class="nav-link" href="/cookbook/design/fonts">Use a custom font</a></li><li class="nav-item"><a class="nav-link" href="/cookbook/design/package-fonts">Export fonts from a package</a></li><li class="nav-item"><a class="nav-link" href="https://pub.dev/packages/google_fonts" target="_blank" rel="noopener">Google Fonts package</a></li></ul></li><li class="nav-item"><a class="nav-link collapsible collapsed" data-toggle="collapse" data-target="#header-sidenav-12-5" href="/ui/design/graphics" role="button" aria-expanded="false" aria-controls="header-sidenav-12-5">Custom graphics</a><ul class="nav flex-column flex-nowrap collapse" id="header-sidenav-12-5"><li class="nav-item"><a class="nav-link" href="/ui/design/graphics/fragment-shaders">Use custom fragment shaders</a></li></ul></li></ul></li><li class="nav-item"><a class="nav-link collapsed collapsible" data-toggle="collapse" href="#header-sidenav-13" role="button" aria-expanded="false" aria-controls="header-sidenav-13">Interactivity</a><ul class="nav flex-column flex-nowrap collapse" id="header-sidenav-13"><li class="nav-item"><a class="nav-link" href="/ui/interactivity">Add interactivity to your app</a></li><li class="nav-item"><a class="nav-link collapsible collapsed" data-toggle="collapse" data-target="#header-sidenav-13-2" href="/ui/interactivity/gestures" role="button" aria-expanded="false" aria-controls="header-sidenav-13-2">Gestures</a><ul class="nav flex-column flex-nowrap collapse" id="header-sidenav-13-2"><li class="nav-item"><a class="nav-link" href="/ui/interactivity/gestures">Introduction</a></li><li class="nav-item"><a class="nav-link" href="/cookbook/gestures/handling-taps">Handle taps</a></li><li class="nav-item"><a class="nav-link" href="/ui/interactivity/gestures/drag-outside">Drag an object outside an app</a></li><li class="nav-item"><a class="nav-link" href="/cookbook/effects/drag-a-widget">Drag a UI element within an app</a></li><li class="nav-item"><a class="nav-link" href="/cookbook/gestures/ripples">Add Material touch ripples</a></li><li class="nav-item"><a class="nav-link" href="/cookbook/gestures/dismissible">Implement swipe to dismiss</a></li></ul></li><li class="nav-item"><a class="nav-link collapsible collapsed" data-toggle="collapse" data-target="#header-sidenav-13-3" href="/ui/interactivity/input" role="button" aria-expanded="false" aria-controls="header-sidenav-13-3">Input & forms</a><ul class="nav flex-column flex-nowrap collapse" id="header-sidenav-13-3"><li class="nav-item"><a class="nav-link" href="/cookbook/forms/text-input">Create and style a text field</a></li><li class="nav-item"><a class="nav-link" href="/cookbook/forms/retrieve-input">Retrieve the value of a text field</a></li><li class="nav-item"><a class="nav-link" href="/cookbook/forms/text-field-changes">Handle changes to a text field</a></li><li class="nav-item"><a class="nav-link" href="/cookbook/forms/focus">Manage focus in text fields</a></li><li class="nav-item"><a class="nav-link" href="/cookbook/forms/validation">Build a form with validation</a></li></ul></li><li class="nav-item"><a class="nav-link" href="/cookbook/design/snackbars">Display a snackbar</a></li><li class="nav-item"><a class="nav-link" href="/ui/interactivity/actions-and-shortcuts">Implement actions & shortcuts</a></li><li class="nav-item"><a class="nav-link" href="/ui/interactivity/focus">Manage keyboard focus</a></li></ul></li><li class="nav-item"><a class="nav-link collapsed collapsible" data-toggle="collapse" href="#header-sidenav-14" role="button" aria-expanded="false" aria-controls="header-sidenav-14">Assets & media</a><ul class="nav flex-column flex-nowrap collapse" id="header-sidenav-14"><li class="nav-item"><a class="nav-link" href="/ui/assets/assets-and-images">Add assets and images</a></li><li class="nav-item"><a class="nav-link" href="/cookbook/images/network-image">Display images from the internet</a></li><li class="nav-item"><a class="nav-link" href="/cookbook/images/fading-in-images">Fade in images with a placeholder</a></li><li class="nav-item"><a class="nav-link" href="/cookbook/plugins/play-video">Play and pause a video</a></li><li class="nav-item"><a class="nav-link" href="/ui/assets/asset-transformation">Transform assets at build time</a></li></ul></li><li class="nav-item"><a class="nav-link collapsed collapsible" data-toggle="collapse" href="#header-sidenav-15" role="button" aria-expanded="false" aria-controls="header-sidenav-15">Navigation & routing</a><ul class="nav flex-column flex-nowrap collapse" id="header-sidenav-15"><li class="nav-item"><a class="nav-link" href="/ui/navigation">Overview</a></li><li class="nav-item"><a class="nav-link" href="/cookbook/design/tabs">Add tabs to your app</a></li><li class="nav-item"><a class="nav-link" href="/cookbook/navigation/navigation-basics">Navigate to a new screen and back</a></li><li class="nav-item"><a class="nav-link" href="/cookbook/navigation/passing-data">Send data to a new screen</a></li><li class="nav-item"><a class="nav-link" href="/cookbook/navigation/returning-data">Return data from a screen</a></li><li class="nav-item"><a class="nav-link" href="/cookbook/design/drawer">Add a drawer to a screen</a></li><li class="nav-item"><a class="nav-link" href="/ui/navigation/deep-linking">Set up deep linking</a></li><li class="nav-item"><a class="nav-link" href="/cookbook/navigation/set-up-app-links">Set up app links for Android</a></li><li class="nav-item"><a class="nav-link" href="/cookbook/navigation/set-up-universal-links">Set up universal links for iOS</a></li><li class="nav-item"><a class="nav-link" href="/ui/navigation/url-strategies">Configure web URL strategies</a></li></ul></li><li class="nav-item"><a class="nav-link collapsed collapsible" data-toggle="collapse" href="#header-sidenav-16" role="button" aria-expanded="false" aria-controls="header-sidenav-16">Animations & transitions</a><ul class="nav flex-column flex-nowrap collapse" id="header-sidenav-16"><li class="nav-item"><a class="nav-link" href="/ui/animations">Introduction</a></li><li class="nav-item"><a class="nav-link" href="/ui/animations/tutorial">Tutorial</a></li><li class="nav-item"><a class="nav-link" href="/ui/animations/implicit-animations">Implicit animations</a></li><li class="nav-item"><a class="nav-link" href="/cookbook/animation/animated-container">Animate the properties of a container</a></li><li class="nav-item"><a class="nav-link" href="/cookbook/animation/opacity-animation">Fade a widget in and out</a></li><li class="nav-item"><a class="nav-link" href="/ui/animations/hero-animations">Hero animations</a></li><li class="nav-item"><a class="nav-link" href="/cookbook/animation/page-route-animation">Animate a page route transition</a></li><li class="nav-item"><a class="nav-link" href="/cookbook/animation/physics-simulation">Animate using a physics simulation</a></li><li class="nav-item"><a class="nav-link" href="/ui/animations/staggered-animations">Staggered animations</a></li><li class="nav-item"><a class="nav-link" href="/cookbook/effects/staggered-menu-animation">Create a staggered menu animation</a></li><li class="nav-item"><a class="nav-link" href="/ui/animations/overview">API overview</a></li></ul></li><li class="nav-item"><a class="nav-link collapsed collapsible" data-toggle="collapse" href="#header-sidenav-17" role="button" aria-expanded="false" aria-controls="header-sidenav-17">Accessibility & internationalization</a><ul class="nav flex-column flex-nowrap collapse" id="header-sidenav-17"><li class="nav-item"><a class="nav-link" href="/ui/accessibility-and-internationalization/accessibility">Accessibility</a></li><li class="nav-item"><a class="nav-link" href="/ui/accessibility-and-internationalization/internationalization">Internationalization</a></li></ul></li><li aria-hidden="true"><div class="sidebar-primary-divider"></div></li><li class="nav-header">Beyond UI</li><li class="nav-item"><a class="nav-link collapsed collapsible" data-toggle="collapse" href="#header-sidenav-20" role="button" aria-expanded="false" aria-controls="header-sidenav-20">Data & backend</a><ul class="nav flex-column flex-nowrap collapse" id="header-sidenav-20"><li class="nav-item"><a class="nav-link collapsible collapsed" data-toggle="collapse" data-target="#header-sidenav-20-1" href="/data-and-backend/state-mgmt" role="button" aria-expanded="false" aria-controls="header-sidenav-20-1">State management</a><ul class="nav flex-column flex-nowrap collapse" id="header-sidenav-20-1"><li class="nav-item"><a class="nav-link" href="/data-and-backend/state-mgmt/intro">Introduction</a></li><li class="nav-item"><a class="nav-link" href="/data-and-backend/state-mgmt/declarative">Think declaratively</a></li><li class="nav-item"><a class="nav-link" href="/data-and-backend/state-mgmt/ephemeral-vs-app">Ephemeral vs app state</a></li><li class="nav-item"><a class="nav-link" href="/data-and-backend/state-mgmt/simple">Simple app state management</a></li><li class="nav-item"><a class="nav-link" href="/data-and-backend/state-mgmt/options">Options</a></li></ul></li><li class="nav-item"><a class="nav-link collapsible collapsed" data-toggle="collapse" data-target="#header-sidenav-20-2" href="/data-and-backend/networking" role="button" aria-expanded="false" aria-controls="header-sidenav-20-2">Networking & http</a><ul class="nav flex-column flex-nowrap collapse" id="header-sidenav-20-2"><li class="nav-item"><a class="nav-link" href="/data-and-backend/networking">Overview</a></li><li class="nav-item"><a class="nav-link" href="/cookbook/networking/fetch-data">Fetch data from the internet</a></li><li class="nav-item"><a class="nav-link" href="/cookbook/networking/authenticated-requests">Make authenticated requests</a></li><li class="nav-item"><a class="nav-link" href="/cookbook/networking/send-data">Send data to the internet</a></li><li class="nav-item"><a class="nav-link" href="/cookbook/networking/update-data">Update data over the internet</a></li><li class="nav-item"><a class="nav-link" href="/cookbook/networking/delete-data">Delete data on the internet</a></li><li class="nav-item"><a class="nav-link" href="/cookbook/networking/web-sockets">Communicate with WebSockets</a></li></ul></li><li class="nav-item"><a class="nav-link collapsible collapsed" data-toggle="collapse" data-target="#header-sidenav-20-3" href="/data-and-backend/serialization" role="button" aria-expanded="false" aria-controls="header-sidenav-20-3">Serialization</a><ul class="nav flex-column flex-nowrap collapse" id="header-sidenav-20-3"><li class="nav-item"><a class="nav-link" href="/data-and-backend/serialization/json">JSON serialization</a></li><li class="nav-item"><a class="nav-link" href="/cookbook/networking/background-parsing">Parse JSON in the background</a></li></ul></li><li class="nav-item"><a class="nav-link collapsible collapsed" data-toggle="collapse" data-target="#header-sidenav-20-4" href="/data-and-backend/persistence" role="button" aria-expanded="false" aria-controls="header-sidenav-20-4">Persistence</a><ul class="nav flex-column flex-nowrap collapse" id="header-sidenav-20-4"><li class="nav-item"><a class="nav-link" href="/cookbook/persistence/key-value">Store key-value data on disk</a></li><li class="nav-item"><a class="nav-link" href="/cookbook/persistence/reading-writing-files">Read and write files</a></li><li class="nav-item"><a class="nav-link" href="/cookbook/persistence/sqlite">Persist data with SQLite</a></li></ul></li><li class="nav-item"><a class="nav-link collapsible collapsed" data-toggle="collapse" data-target="#header-sidenav-20-5" href="/data-and-backend/firebase" role="button" aria-expanded="false" aria-controls="header-sidenav-20-5">Firebase</a><ul class="nav flex-column flex-nowrap collapse" id="header-sidenav-20-5"><li class="nav-item"><a class="nav-link" href="/data-and-backend/firebase">Overview</a></li><li class="nav-item"><a class="nav-link" href="https://firebase.google.com/docs/flutter/setup" target="_blank" rel="noopener">Add Firebase to your Flutter app</a></li></ul></li><li class="nav-item"><a class="nav-link" href="/data-and-backend/google-apis">Google APIs</a></li></ul></li><li class="nav-item"><a class="nav-link collapsed collapsible" data-toggle="collapse" href="#header-sidenav-21" role="button" aria-expanded="false" aria-controls="header-sidenav-21">App architecture</a><ul class="nav flex-column flex-nowrap collapse" id="header-sidenav-21"><li class="nav-item"><a class="nav-link" href="/app-architecture">Introduction</a></li><li class="nav-item"><a class="nav-link" href="/app-architecture/concepts">Architecture concepts</a></li><li class="nav-item"><a class="nav-link" href="/app-architecture/guide">Guide to app architecture</a></li><li class="nav-item"><a class="nav-link" href="/app-architecture/recommendations">Recommendations</a></li><li class="nav-item"><a class="nav-link collapsible collapsed" data-toggle="collapse" data-target="#header-sidenav-21-5" href="/cookbook/architecture" role="button" aria-expanded="false" aria-controls="header-sidenav-21-5">Design patterns</a><ul class="nav flex-column flex-nowrap collapse" id="header-sidenav-21-5"><li class="nav-item"><a class="nav-link" href="/cookbook/architecture/optimistic-state">Optimistic state</a></li><li class="nav-item"><a class="nav-link" href="/cookbook/architecture/key-value-data">Persistent storage architecture: Key-value data</a></li><li class="nav-item"><a class="nav-link" href="/cookbook/architecture/sql">Persistent storage architecture: SQL</a></li><li class="nav-item"><a class="nav-link" href="/cookbook/architecture/offline-first">Offline-first</a></li></ul></li></ul></li><li class="nav-item"><a class="nav-link collapsed collapsible" data-toggle="collapse" href="#header-sidenav-22" role="button" aria-expanded="false" aria-controls="header-sidenav-22">Platform integration</a><ul class="nav flex-column flex-nowrap collapse" id="header-sidenav-22"><li class="nav-item"><a class="nav-link" href="/reference/supported-platforms">Supported platforms</a></li><li class="nav-item"><a class="nav-link" href="/platform-integration/desktop">Build desktop apps with Flutter</a></li><li class="nav-item"><a class="nav-link" href="/platform-integration/platform-channels">Write platform-specific code</a></li><li class="nav-item"><a class="nav-link" href="/platform-integration/platform-adaptations">Automatic platform adaptations</a></li><li class="nav-item"><a class="nav-link collapsible collapsed" data-toggle="collapse" data-target="#header-sidenav-22-5" href="/platform-integration/android" role="button" aria-expanded="false" aria-controls="header-sidenav-22-5">Android</a><ul class="nav flex-column flex-nowrap collapse" id="header-sidenav-22-5"><li class="nav-item"><a class="nav-link" href="/platform-integration/android/install-android">Add Android as build target</a></li><li class="nav-item"><a class="nav-link" href="/platform-integration/android/splash-screen">Add a splash screen</a></li><li class="nav-item"><a class="nav-link" href="/platform-integration/android/predictive-back">Add predictive back</a></li><li class="nav-item"><a class="nav-link" href="/platform-integration/android/c-interop">Bind to native code</a></li><li class="nav-item"><a class="nav-link" href="/platform-integration/android/platform-views">Host a native Android view</a></li><li class="nav-item"><a class="nav-link" href="/platform-integration/android/compose-activity">Launch a Jetpack Compose activity</a></li><li class="nav-item"><a class="nav-link" href="/platform-integration/android/restore-state-android">Restore state on Android</a></li><li class="nav-item"><a class="nav-link" href="/platform-integration/android/chromeos">Target ChromeOS with Android</a></li></ul></li><li class="nav-item"><a class="nav-link collapsible collapsed" data-toggle="collapse" data-target="#header-sidenav-22-6" href="/platform-integration/ios" role="button" aria-expanded="false" aria-controls="header-sidenav-22-6">iOS</a><ul class="nav flex-column flex-nowrap collapse" id="header-sidenav-22-6"><li class="nav-item"><a class="nav-link" href="/platform-integration/ios/install-ios">Add iOS as build target</a></li><li class="nav-item"><a class="nav-link" href="/platform-integration/ios/ios-latest">Flutter on latest iOS</a></li><li class="nav-item"><a class="nav-link" href="/platform-integration/ios/apple-frameworks">Leverage Apple's system libraries</a></li><li class="nav-item"><a class="nav-link" href="/platform-integration/ios/launch-screen">Add a launch screen</a></li><li class="nav-item"><a class="nav-link" href="/platform-integration/ios/ios-app-clip">Add iOS App Clip support</a></li><li class="nav-item"><a class="nav-link" href="/platform-integration/ios/app-extensions">Add iOS app extensions</a></li><li class="nav-item"><a class="nav-link" href="/platform-integration/ios/c-interop">Bind to native code</a></li><li class="nav-item"><a class="nav-link" href="/platform-integration/ios/platform-views">Host a native iOS view</a></li><li class="nav-item"><a class="nav-link" href="/platform-integration/ios/ios-debugging">Enable debugging on iOS</a></li><li class="nav-item"><a class="nav-link" href="/platform-integration/ios/restore-state-ios">Restore state on iOS</a></li></ul></li><li class="nav-item"><a class="nav-link collapsible collapsed" data-toggle="collapse" data-target="#header-sidenav-22-7" href="/platform-integration/linux" role="button" aria-expanded="false" aria-controls="header-sidenav-22-7">Linux</a><ul class="nav flex-column flex-nowrap collapse" id="header-sidenav-22-7"><li class="nav-item"><a class="nav-link" href="/platform-integration/linux/install-linux">Add Linux as build target</a></li><li class="nav-item"><a class="nav-link" href="/platform-integration/linux/building">Build a Linux app</a></li></ul></li><li class="nav-item"><a class="nav-link collapsible collapsed" data-toggle="collapse" data-target="#header-sidenav-22-8" href="/platform-integration/macos" role="button" aria-expanded="false" aria-controls="header-sidenav-22-8">macOS</a><ul class="nav flex-column flex-nowrap collapse" id="header-sidenav-22-8"><li class="nav-item"><a class="nav-link" href="/platform-integration/macos/install-macos">Add macOS as build target</a></li><li class="nav-item"><a class="nav-link" href="/platform-integration/macos/building">Build a macOS app</a></li><li class="nav-item"><a class="nav-link" href="/platform-integration/macos/c-interop">Bind to native code</a></li><li class="nav-item"><a class="nav-link" href="/platform-integration/macos/platform-views">Host a native macOS view</a></li></ul></li><li class="nav-item"><a class="nav-link collapsible collapsed" data-toggle="collapse" data-target="#header-sidenav-22-9" href="/platform-integration/web" role="button" aria-expanded="false" aria-controls="header-sidenav-22-9">Web</a><ul class="nav flex-column flex-nowrap collapse" id="header-sidenav-22-9"><li class="nav-item"><a class="nav-link" href="/platform-integration/web/">Web support in Flutter</a></li><li class="nav-item"><a class="nav-link" href="/platform-integration/web/install-web">Add web as build target</a></li><li class="nav-item"><a class="nav-link" href="/platform-integration/web/building">Build a web app</a></li><li class="nav-item"><a class="nav-link" href="/platform-integration/web/wasm">Compile to WebAssembly</a></li><li class="nav-item"><a class="nav-link" href="/platform-integration/web/initialization">Customize app initialization</a></li><li class="nav-item"><a class="nav-link" href="/platform-integration/web/embedding-flutter-web">Add Flutter to any web app</a></li><li class="nav-item"><a class="nav-link" href="/platform-integration/web/web-content-in-flutter">Web content in Flutter</a></li><li class="nav-item"><a class="nav-link" href="/platform-integration/web/renderers">Web renderers</a></li><li class="nav-item"><a class="nav-link" href="/platform-integration/web/web-images">Display images on the web</a></li><li class="nav-item"><a class="nav-link" href="/platform-integration/web/faq">Web FAQ</a></li></ul></li><li class="nav-item"><a class="nav-link collapsible collapsed" data-toggle="collapse" data-target="#header-sidenav-22-10" href="/platform-integration/windows" role="button" aria-expanded="false" aria-controls="header-sidenav-22-10">Windows</a><ul class="nav flex-column flex-nowrap collapse" id="header-sidenav-22-10"><li class="nav-item"><a class="nav-link" href="/platform-integration/windows/install-windows">Add Windows as build target</a></li><li class="nav-item"><a class="nav-link" href="/platform-integration/windows/building">Build a Windows app</a></li></ul></li></ul></li><li class="nav-item"><a class="nav-link collapsed collapsible" data-toggle="collapse" href="#header-sidenav-23" role="button" aria-expanded="false" aria-controls="header-sidenav-23">Packages & plugins</a><ul class="nav flex-column flex-nowrap collapse" id="header-sidenav-23"><li class="nav-item"><a class="nav-link" href="/packages-and-plugins/using-packages">Use packages & plugins</a></li><li class="nav-item"><a class="nav-link" href="/packages-and-plugins/developing-packages">Develop packages & plugins</a></li><li class="nav-item"><a class="nav-link collapsible collapsed" data-toggle="collapse" data-target="#header-sidenav-23-3" href="/packages-and-plugins/swift-package-manager" role="button" aria-expanded="false" aria-controls="header-sidenav-23-3">Swift Package Manager</a><ul class="nav flex-column flex-nowrap collapse" id="header-sidenav-23-3"><li class="nav-item"><a class="nav-link" href="/packages-and-plugins/swift-package-manager/for-app-developers">For app developers</a></li><li class="nav-item"><a class="nav-link" href="/packages-and-plugins/swift-package-manager/for-plugin-authors">For plugin authors</a></li></ul></li><div class="dropdown-divider"></div><li class="nav-item"><a class="nav-link" href="/packages-and-plugins/favorites">Flutter Favorites</a></li><li class="nav-item"><a class="nav-link" href="https://pub.dev/flutter" target="_blank" rel="noopener">Package repository</a></li></ul></li><li class="nav-item"><a class="nav-link collapsed collapsible" data-toggle="collapse" href="#header-sidenav-24" role="button" aria-expanded="false" aria-controls="header-sidenav-24">Testing & debugging</a><ul class="nav flex-column flex-nowrap collapse" id="header-sidenav-24"><li class="nav-header">Testing</li><li class="nav-item"><a class="nav-link" href="/testing/overview">Overview</a></li><li class="nav-item"><a class="nav-link collapsible collapsed" data-toggle="collapse" data-target="#header-sidenav-24-3" href="#header-sidenav-24-3" role="button" aria-expanded="false" aria-controls="header-sidenav-24-3">Unit testing</a><ul class="nav flex-column flex-nowrap collapse" id="header-sidenav-24-3"><li class="nav-item"><a class="nav-link" href="/cookbook/testing/unit/introduction">Introduction</a></li><li class="nav-item"><a class="nav-link" href="/cookbook/testing/unit/mocking">Mock dependencies</a></li></ul></li><li class="nav-item"><a class="nav-link collapsible collapsed" data-toggle="collapse" data-target="#header-sidenav-24-4" href="#header-sidenav-24-4" role="button" aria-expanded="false" aria-controls="header-sidenav-24-4">Widget testing</a><ul class="nav flex-column flex-nowrap collapse" id="header-sidenav-24-4"><li class="nav-item"><a class="nav-link" href="/cookbook/testing/widget/introduction">Introduction</a></li><li class="nav-item"><a class="nav-link" href="/cookbook/testing/widget/finders">Find widgets</a></li><li class="nav-item"><a class="nav-link" href="/cookbook/testing/widget/scrolling">Simulate scrolling</a></li><li class="nav-item"><a class="nav-link" href="/cookbook/testing/widget/tap-drag">Simulate user interaction</a></li></ul></li><li class="nav-item"><a class="nav-link collapsible collapsed" data-toggle="collapse" data-target="#header-sidenav-24-5" href="#header-sidenav-24-5" role="button" aria-expanded="false" aria-controls="header-sidenav-24-5">Integration testing</a><ul class="nav flex-column flex-nowrap collapse" id="header-sidenav-24-5"><li class="nav-item"><a class="nav-link" href="/cookbook/testing/integration/introduction">Introduction</a></li><li class="nav-item"><a class="nav-link" href="/testing/integration-tests">Write and run an integration test</a></li><li class="nav-item"><a class="nav-link" href="/cookbook/testing/integration/profiling">Profile an integration test</a></li></ul></li><li class="nav-item"><a class="nav-link" href="/testing/testing-plugins">Test a plugin</a></li><li class="nav-item"><a class="nav-link" href="/testing/plugins-in-tests">Handle plugin code in tests</a></li><li class="nav-header">Debugging</li><li class="nav-item"><a class="nav-link" href="/testing/debugging">Debugging tools</a></li><li class="nav-item"><a class="nav-link" href="/testing/code-debugging">Debug your app programmatically</a></li><li class="nav-item"><a class="nav-link" href="/testing/native-debugging">Use a native language debugger</a></li><li class="nav-item"><a class="nav-link" href="/testing/build-modes">Flutter's build modes</a></li><li 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href="/perf/deferred-components">Deferred components</a></li><li class="nav-item"><a class="nav-link" href="/perf/rendering-performance">Rendering performance</a></li><li class="nav-item"><a class="nav-link" href="/perf/ui-performance">Performance profiling</a></li><li class="nav-item"><a class="nav-link" href="/perf/web-performance">Performance profiling for web</a></li><li class="nav-item"><a class="nav-link" href="/perf/shader">Shader compilation jank</a></li><li class="nav-item"><a class="nav-link" href="/perf/metrics">Performance metrics</a></li><li class="nav-item"><a class="nav-link" href="/perf/isolates">Concurrency and isolates</a></li><li class="nav-item"><a class="nav-link" href="/perf/faq">Performance FAQ</a></li><li class="nav-item"><a class="nav-link" href="/perf/appendix">Appendix</a></li></ul></li><li class="nav-item"><a class="nav-link collapsed collapsible" data-toggle="collapse" href="#header-sidenav-26" role="button" aria-expanded="false" 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collapsible collapsed" data-toggle="collapse" data-target="#fixed-sidenav-5-3" href="#fixed-sidenav-5-3" role="button" aria-expanded="false" aria-controls="fixed-sidenav-5-3">Games</a><ul class="nav flex-column flex-nowrap collapse" id="fixed-sidenav-5-3"><li class="nav-item"><a class="nav-link" href="/resources/games-toolkit">Overview</a></li><li class="nav-item"><a class="nav-link" href="/cookbook/games/achievements-leaderboard">Add achievements and leaderboards</a></li><li class="nav-item"><a class="nav-link" href="https://firebase.google.com/codelabs/build-leaderboards-with-firestore#0" target="_blank" rel="noopener">Build leaderboards with Firestore</a></li><li class="nav-item"><a class="nav-link" href="/cookbook/plugins/google-mobile-ads">Add advertising</a></li><li class="nav-item"><a class="nav-link" href="/cookbook/games/firestore-multiplayer">Add multiplayer support</a></li><li class="nav-item"><a class="nav-link" href="https://codelabs.developers.google.com/codelabs/flutter-in-app-purchases" target="_blank" rel="noopener">Add in-app purchases</a></li><li class="nav-item"><a class="nav-link" href="https://firebase.google.com/codelabs/firebase-auth-in-flutter-apps" target="_blank" rel="noopener">Add user authentication</a></li><li class="nav-item"><a class="nav-link" href="https://firebase.google.com/docs/crashlytics/get-started?platform=flutter" target="_blank" rel="noopener">Debug using Crashlytics</a></li><li class="nav-item"><a class="nav-link" href="https://codelabs.developers.google.com/codelabs/flutter-flame-brick-breaker" target="_blank" rel="noopener">Intro to Flame with Flutter</a></li></ul></li><li class="nav-item"><a class="nav-link collapsible collapsed" data-toggle="collapse" data-target="#fixed-sidenav-5-4" href="#fixed-sidenav-5-4" role="button" aria-expanded="false" aria-controls="fixed-sidenav-5-4">Monetization</a><ul class="nav flex-column flex-nowrap collapse" id="fixed-sidenav-5-4"><li class="nav-item"><a class="nav-link collapsible collapsed" data-toggle="collapse" data-target="#fixed-sidenav-5-4-1" href="#fixed-sidenav-5-4-1" role="button" aria-expanded="false" aria-controls="fixed-sidenav-5-4-1">Advertising</a><ul class="nav flex-column flex-nowrap collapse" id="fixed-sidenav-5-4-1"><li class="nav-item"><a class="nav-link" href="/resources/ads-overview">Ads overview</a></li><li class="nav-item"><a class="nav-link" href="/cookbook/plugins/google-mobile-ads">Add advertising</a></li><li class="nav-item"><a class="nav-link" href="https://codelabs.developers.google.com/codelabs/admob-ads-in-flutter" target="_blank" rel="noopener">Add AdMob ads to your Flutter app</a></li><li class="nav-item"><a class="nav-link" href="https://codelabs.developers.google.com/codelabs/admob-inline-ads-in-flutter" target="_blank" rel="noopener">Add an AdMob banner and native inline ads</a></li><li class="nav-item"><a class="nav-link" href="https://developers.google.com/admob/flutter/mediation" target="_blank" rel="noopener">Google AdMob mediation</a></li><li class="nav-item"><a class="nav-link" href="https://pub.dev/packages/interactive_media_ads" target="_blank" rel="noopener">Interactive Media Ads SDK</a></li></ul></li><li class="nav-item"><a class="nav-link collapsible collapsed" data-toggle="collapse" data-target="#fixed-sidenav-5-4-2" href="#fixed-sidenav-5-4-2" role="button" aria-expanded="false" aria-controls="fixed-sidenav-5-4-2">In-app purchases</a><ul class="nav flex-column flex-nowrap collapse" id="fixed-sidenav-5-4-2"><li class="nav-item"><a class="nav-link" href="/resources/in-app-purchases-overview">In-app purchases overview</a></li><li class="nav-item"><a class="nav-link" href="https://codelabs.developers.google.com/codelabs/flutter-in-app-purchases" target="_blank" rel="noopener">Add in-app purchases</a></li></ul></li><li class="nav-item"><a class="nav-link collapsible collapsed" data-toggle="collapse" data-target="#fixed-sidenav-5-4-3" href="#fixed-sidenav-5-4-3" role="button" aria-expanded="false" aria-controls="fixed-sidenav-5-4-3">Payments</a><ul class="nav flex-column flex-nowrap collapse" id="fixed-sidenav-5-4-3"><li class="nav-item"><a class="nav-link" href="/resources/payments-overview">Payments overview</a></li><li class="nav-item"><a class="nav-link" href="https://pub.dev/packages/pay" target="_blank" rel="noopener">Google pay package</a></li></ul></li></ul></li><li class="nav-item"><a class="nav-link collapsible collapsed" data-toggle="collapse" data-target="#fixed-sidenav-5-5" href="#fixed-sidenav-5-5" role="button" aria-expanded="false" aria-controls="fixed-sidenav-5-5">Maps</a><ul class="nav flex-column flex-nowrap collapse" id="fixed-sidenav-5-5"><li class="nav-item"><a class="nav-link" href="https://codelabs.developers.google.com/codelabs/google-maps-in-flutter" target="_blank" rel="noopener">Add Google maps to a Flutter app</a></li><li class="nav-item"><a class="nav-link" href="https://developers.google.com/maps/flutter-package" target="_blank" rel="noopener">Google Maps package</a></li></ul></li><li class="nav-item"><a class="nav-link collapsible collapsed" data-toggle="collapse" data-target="#fixed-sidenav-5-6" href="#fixed-sidenav-5-6" role="button" aria-expanded="false" aria-controls="fixed-sidenav-5-6">News</a><ul class="nav flex-column flex-nowrap collapse" id="fixed-sidenav-5-6"><li class="nav-item"><a class="nav-link" href="/resources/news-toolkit">Build a news app</a></li></ul></li></ul></li><li aria-hidden="true"><div class="sidebar-primary-divider"></div></li><li class="nav-header">User interface</li><li class="nav-item"><a class="nav-link" href="/ui">Introduction</a></li><li class="nav-item"><a class="nav-link" href="/ui/widgets">Widget catalog</a></li><li class="nav-item"><a class="nav-link collapsed collapsible" data-toggle="collapse" href="#fixed-sidenav-10" role="button" aria-expanded="false" aria-controls="fixed-sidenav-10">Layout</a><ul class="nav flex-column flex-nowrap collapse" id="fixed-sidenav-10"><li class="nav-item"><a class="nav-link" href="/ui/layout">Introduction</a></li><li class="nav-item"><a class="nav-link" href="/ui/layout/tutorial">Build a layout</a></li><li class="nav-item"><a class="nav-link collapsible collapsed" data-toggle="collapse" data-target="#fixed-sidenav-10-3" href="/ui/layout/lists" role="button" aria-expanded="false" aria-controls="fixed-sidenav-10-3">Lists & grids</a><ul class="nav flex-column flex-nowrap collapse" id="fixed-sidenav-10-3"><li class="nav-item"><a class="nav-link" href="/cookbook/lists/basic-list">Create and use lists</a></li><li class="nav-item"><a class="nav-link" href="/cookbook/lists/horizontal-list">Create a horizontal list</a></li><li class="nav-item"><a class="nav-link" href="/cookbook/lists/grid-lists">Create a grid view</a></li><li class="nav-item"><a class="nav-link" href="/cookbook/lists/mixed-list">Create lists with different types of items</a></li><li class="nav-item"><a class="nav-link" href="/cookbook/lists/spaced-items">Create lists with spaced items</a></li><li class="nav-item"><a class="nav-link" href="/cookbook/lists/long-lists">Work with long lists</a></li></ul></li><li class="nav-item"><a class="nav-link collapsible collapsed" data-toggle="collapse" data-target="#fixed-sidenav-10-4" href="/ui/layout/scrolling" role="button" aria-expanded="false" aria-controls="fixed-sidenav-10-4">Scrolling</a><ul class="nav flex-column flex-nowrap collapse" id="fixed-sidenav-10-4"><li class="nav-item"><a class="nav-link" href="/ui/layout/scrolling">Overview</a></li><li class="nav-item"><a class="nav-link" href="/ui/layout/scrolling/slivers">Use slivers to achieve fancy scrolling</a></li><li class="nav-item"><a class="nav-link" href="/cookbook/lists/floating-app-bar">Place a floating app bar above a list</a></li><li class="nav-item"><a class="nav-link" href="/cookbook/effects/parallax-scrolling">Create a scrolling parallax effect</a></li></ul></li></ul></li><li class="nav-item"><a class="nav-link collapsed collapsible" data-toggle="collapse" href="#fixed-sidenav-11" role="button" aria-expanded="false" aria-controls="fixed-sidenav-11">Adaptive & responsive design</a><ul class="nav flex-column flex-nowrap collapse" id="fixed-sidenav-11"><li class="nav-item"><a class="nav-link" href="/ui/adaptive-responsive">Overview</a></li><li class="nav-item"><a class="nav-link" href="/ui/adaptive-responsive/general">General approach</a></li><li class="nav-item"><a class="nav-link" href="/ui/adaptive-responsive/safearea-mediaquery">SafeArea & MediaQuery</a></li><li class="nav-item"><a class="nav-link" href="/ui/adaptive-responsive/large-screens">Large screens & foldables</a></li><li class="nav-item"><a class="nav-link" href="/ui/adaptive-responsive/input">User input & accessibility</a></li><li class="nav-item"><a class="nav-link" href="/ui/adaptive-responsive/capabilities">Capabilities & policies</a></li><li class="nav-item"><a class="nav-link" href="/ui/adaptive-responsive/best-practices">Best practices</a></li><li class="nav-item"><a class="nav-link" href="/ui/adaptive-responsive/more-info">Additional resources</a></li></ul></li><li class="nav-item"><a class="nav-link collapsed collapsible" data-toggle="collapse" href="#fixed-sidenav-12" role="button" aria-expanded="false" aria-controls="fixed-sidenav-12">Design & theming</a><ul class="nav flex-column flex-nowrap collapse" id="fixed-sidenav-12"><li class="nav-item"><a class="nav-link" href="/cookbook/design/themes">Share styles with themes</a></li><li class="nav-item"><a class="nav-link" href="/ui/design/material">Material design</a></li><li class="nav-item"><a class="nav-link" href="/release/breaking-changes/material-3-migration">Migrate to Material 3</a></li><li class="nav-item"><a class="nav-link collapsible collapsed" data-toggle="collapse" data-target="#fixed-sidenav-12-4" href="/ui/design/text" role="button" aria-expanded="false" aria-controls="fixed-sidenav-12-4">Text</a><ul class="nav flex-column flex-nowrap collapse" id="fixed-sidenav-12-4"><li class="nav-item"><a class="nav-link" href="/ui/design/text/typography">Fonts & typography</a></li><li class="nav-item"><a class="nav-link" href="/cookbook/design/fonts">Use a custom font</a></li><li class="nav-item"><a class="nav-link" href="/cookbook/design/package-fonts">Export fonts from a package</a></li><li class="nav-item"><a class="nav-link" href="https://pub.dev/packages/google_fonts" target="_blank" rel="noopener">Google Fonts package</a></li></ul></li><li class="nav-item"><a class="nav-link collapsible collapsed" data-toggle="collapse" data-target="#fixed-sidenav-12-5" href="/ui/design/graphics" role="button" aria-expanded="false" aria-controls="fixed-sidenav-12-5">Custom graphics</a><ul class="nav flex-column flex-nowrap collapse" id="fixed-sidenav-12-5"><li class="nav-item"><a class="nav-link" href="/ui/design/graphics/fragment-shaders">Use custom fragment shaders</a></li></ul></li></ul></li><li class="nav-item"><a class="nav-link collapsed collapsible" data-toggle="collapse" href="#fixed-sidenav-13" role="button" aria-expanded="false" aria-controls="fixed-sidenav-13">Interactivity</a><ul class="nav flex-column flex-nowrap collapse" id="fixed-sidenav-13"><li class="nav-item"><a class="nav-link" href="/ui/interactivity">Add interactivity to your app</a></li><li class="nav-item"><a class="nav-link collapsible collapsed" data-toggle="collapse" data-target="#fixed-sidenav-13-2" href="/ui/interactivity/gestures" role="button" aria-expanded="false" aria-controls="fixed-sidenav-13-2">Gestures</a><ul class="nav flex-column flex-nowrap collapse" id="fixed-sidenav-13-2"><li class="nav-item"><a class="nav-link" href="/ui/interactivity/gestures">Introduction</a></li><li class="nav-item"><a class="nav-link" href="/cookbook/gestures/handling-taps">Handle taps</a></li><li class="nav-item"><a class="nav-link" href="/ui/interactivity/gestures/drag-outside">Drag an object outside an app</a></li><li class="nav-item"><a class="nav-link" href="/cookbook/effects/drag-a-widget">Drag a UI element within an app</a></li><li class="nav-item"><a class="nav-link" href="/cookbook/gestures/ripples">Add Material touch ripples</a></li><li class="nav-item"><a class="nav-link" href="/cookbook/gestures/dismissible">Implement swipe to dismiss</a></li></ul></li><li class="nav-item"><a class="nav-link collapsible collapsed" data-toggle="collapse" data-target="#fixed-sidenav-13-3" href="/ui/interactivity/input" role="button" aria-expanded="false" aria-controls="fixed-sidenav-13-3">Input & forms</a><ul class="nav flex-column flex-nowrap collapse" id="fixed-sidenav-13-3"><li class="nav-item"><a class="nav-link" href="/cookbook/forms/text-input">Create and style a text field</a></li><li class="nav-item"><a class="nav-link" href="/cookbook/forms/retrieve-input">Retrieve the value of a text field</a></li><li class="nav-item"><a class="nav-link" href="/cookbook/forms/text-field-changes">Handle changes to a text field</a></li><li class="nav-item"><a class="nav-link" href="/cookbook/forms/focus">Manage focus in text fields</a></li><li class="nav-item"><a class="nav-link" href="/cookbook/forms/validation">Build a form with validation</a></li></ul></li><li class="nav-item"><a class="nav-link" href="/cookbook/design/snackbars">Display a snackbar</a></li><li class="nav-item"><a class="nav-link" href="/ui/interactivity/actions-and-shortcuts">Implement actions & shortcuts</a></li><li class="nav-item"><a class="nav-link" href="/ui/interactivity/focus">Manage keyboard focus</a></li></ul></li><li class="nav-item"><a class="nav-link collapsed collapsible" data-toggle="collapse" href="#fixed-sidenav-14" role="button" aria-expanded="false" aria-controls="fixed-sidenav-14">Assets & media</a><ul class="nav flex-column flex-nowrap collapse" id="fixed-sidenav-14"><li class="nav-item"><a class="nav-link" href="/ui/assets/assets-and-images">Add assets and images</a></li><li class="nav-item"><a class="nav-link" href="/cookbook/images/network-image">Display images from the internet</a></li><li class="nav-item"><a class="nav-link" href="/cookbook/images/fading-in-images">Fade in images with a placeholder</a></li><li class="nav-item"><a class="nav-link" href="/cookbook/plugins/play-video">Play and pause a video</a></li><li class="nav-item"><a class="nav-link" href="/ui/assets/asset-transformation">Transform assets at build time</a></li></ul></li><li class="nav-item"><a class="nav-link collapsed collapsible" data-toggle="collapse" href="#fixed-sidenav-15" role="button" aria-expanded="false" aria-controls="fixed-sidenav-15">Navigation & routing</a><ul class="nav flex-column flex-nowrap collapse" id="fixed-sidenav-15"><li class="nav-item"><a class="nav-link" href="/ui/navigation">Overview</a></li><li class="nav-item"><a class="nav-link" href="/cookbook/design/tabs">Add tabs to your app</a></li><li class="nav-item"><a class="nav-link" href="/cookbook/navigation/navigation-basics">Navigate to a new screen and back</a></li><li class="nav-item"><a class="nav-link" href="/cookbook/navigation/passing-data">Send data to a new screen</a></li><li class="nav-item"><a class="nav-link" href="/cookbook/navigation/returning-data">Return data from a screen</a></li><li class="nav-item"><a class="nav-link" href="/cookbook/design/drawer">Add a drawer to a screen</a></li><li class="nav-item"><a class="nav-link" href="/ui/navigation/deep-linking">Set up deep linking</a></li><li class="nav-item"><a class="nav-link" href="/cookbook/navigation/set-up-app-links">Set up app links for Android</a></li><li class="nav-item"><a class="nav-link" href="/cookbook/navigation/set-up-universal-links">Set up universal links for iOS</a></li><li class="nav-item"><a class="nav-link" href="/ui/navigation/url-strategies">Configure web URL strategies</a></li></ul></li><li class="nav-item"><a class="nav-link collapsed collapsible" data-toggle="collapse" href="#fixed-sidenav-16" role="button" aria-expanded="false" aria-controls="fixed-sidenav-16">Animations & transitions</a><ul class="nav flex-column flex-nowrap collapse" id="fixed-sidenav-16"><li class="nav-item"><a class="nav-link" href="/ui/animations">Introduction</a></li><li class="nav-item"><a class="nav-link" href="/ui/animations/tutorial">Tutorial</a></li><li class="nav-item"><a class="nav-link" href="/ui/animations/implicit-animations">Implicit animations</a></li><li class="nav-item"><a class="nav-link" href="/cookbook/animation/animated-container">Animate the properties of a container</a></li><li class="nav-item"><a class="nav-link" href="/cookbook/animation/opacity-animation">Fade a widget in and out</a></li><li class="nav-item"><a class="nav-link" href="/ui/animations/hero-animations">Hero animations</a></li><li class="nav-item"><a class="nav-link" href="/cookbook/animation/page-route-animation">Animate a page route transition</a></li><li class="nav-item"><a class="nav-link" href="/cookbook/animation/physics-simulation">Animate using a physics simulation</a></li><li class="nav-item"><a class="nav-link" href="/ui/animations/staggered-animations">Staggered animations</a></li><li class="nav-item"><a class="nav-link" href="/cookbook/effects/staggered-menu-animation">Create a staggered menu animation</a></li><li class="nav-item"><a class="nav-link" href="/ui/animations/overview">API overview</a></li></ul></li><li class="nav-item"><a class="nav-link collapsed collapsible" data-toggle="collapse" href="#fixed-sidenav-17" role="button" aria-expanded="false" aria-controls="fixed-sidenav-17">Accessibility & internationalization</a><ul class="nav flex-column flex-nowrap collapse" id="fixed-sidenav-17"><li class="nav-item"><a class="nav-link" href="/ui/accessibility-and-internationalization/accessibility">Accessibility</a></li><li class="nav-item"><a class="nav-link" href="/ui/accessibility-and-internationalization/internationalization">Internationalization</a></li></ul></li><li aria-hidden="true"><div class="sidebar-primary-divider"></div></li><li class="nav-header">Beyond UI</li><li class="nav-item"><a class="nav-link collapsed collapsible" data-toggle="collapse" href="#fixed-sidenav-20" role="button" aria-expanded="false" aria-controls="fixed-sidenav-20">Data & backend</a><ul class="nav flex-column flex-nowrap collapse" id="fixed-sidenav-20"><li class="nav-item"><a class="nav-link collapsible collapsed" data-toggle="collapse" data-target="#fixed-sidenav-20-1" href="/data-and-backend/state-mgmt" role="button" aria-expanded="false" aria-controls="fixed-sidenav-20-1">State management</a><ul class="nav flex-column flex-nowrap collapse" id="fixed-sidenav-20-1"><li class="nav-item"><a class="nav-link" href="/data-and-backend/state-mgmt/intro">Introduction</a></li><li class="nav-item"><a class="nav-link" href="/data-and-backend/state-mgmt/declarative">Think declaratively</a></li><li class="nav-item"><a class="nav-link" href="/data-and-backend/state-mgmt/ephemeral-vs-app">Ephemeral vs app state</a></li><li class="nav-item"><a class="nav-link" href="/data-and-backend/state-mgmt/simple">Simple app state management</a></li><li class="nav-item"><a class="nav-link" href="/data-and-backend/state-mgmt/options">Options</a></li></ul></li><li class="nav-item"><a class="nav-link collapsible collapsed" data-toggle="collapse" data-target="#fixed-sidenav-20-2" href="/data-and-backend/networking" role="button" aria-expanded="false" aria-controls="fixed-sidenav-20-2">Networking & http</a><ul class="nav flex-column flex-nowrap collapse" id="fixed-sidenav-20-2"><li class="nav-item"><a class="nav-link" href="/data-and-backend/networking">Overview</a></li><li class="nav-item"><a class="nav-link" href="/cookbook/networking/fetch-data">Fetch data from the internet</a></li><li class="nav-item"><a class="nav-link" href="/cookbook/networking/authenticated-requests">Make authenticated requests</a></li><li class="nav-item"><a class="nav-link" href="/cookbook/networking/send-data">Send data to the internet</a></li><li class="nav-item"><a class="nav-link" href="/cookbook/networking/update-data">Update data over the internet</a></li><li class="nav-item"><a class="nav-link" href="/cookbook/networking/delete-data">Delete data on the internet</a></li><li class="nav-item"><a class="nav-link" href="/cookbook/networking/web-sockets">Communicate with WebSockets</a></li></ul></li><li class="nav-item"><a class="nav-link collapsible collapsed" data-toggle="collapse" data-target="#fixed-sidenav-20-3" href="/data-and-backend/serialization" role="button" aria-expanded="false" aria-controls="fixed-sidenav-20-3">Serialization</a><ul class="nav flex-column flex-nowrap collapse" id="fixed-sidenav-20-3"><li class="nav-item"><a class="nav-link" href="/data-and-backend/serialization/json">JSON serialization</a></li><li class="nav-item"><a class="nav-link" href="/cookbook/networking/background-parsing">Parse JSON in the background</a></li></ul></li><li class="nav-item"><a class="nav-link collapsible collapsed" data-toggle="collapse" data-target="#fixed-sidenav-20-4" href="/data-and-backend/persistence" role="button" aria-expanded="false" aria-controls="fixed-sidenav-20-4">Persistence</a><ul class="nav flex-column flex-nowrap collapse" id="fixed-sidenav-20-4"><li class="nav-item"><a class="nav-link" href="/cookbook/persistence/key-value">Store key-value data on disk</a></li><li class="nav-item"><a class="nav-link" href="/cookbook/persistence/reading-writing-files">Read and write files</a></li><li class="nav-item"><a class="nav-link" href="/cookbook/persistence/sqlite">Persist data with SQLite</a></li></ul></li><li class="nav-item"><a class="nav-link collapsible collapsed" data-toggle="collapse" data-target="#fixed-sidenav-20-5" href="/data-and-backend/firebase" role="button" aria-expanded="false" aria-controls="fixed-sidenav-20-5">Firebase</a><ul class="nav flex-column flex-nowrap collapse" id="fixed-sidenav-20-5"><li class="nav-item"><a class="nav-link" href="/data-and-backend/firebase">Overview</a></li><li class="nav-item"><a class="nav-link" href="https://firebase.google.com/docs/flutter/setup" target="_blank" rel="noopener">Add Firebase to your Flutter app</a></li></ul></li><li class="nav-item"><a class="nav-link" href="/data-and-backend/google-apis">Google APIs</a></li></ul></li><li class="nav-item"><a class="nav-link collapsed collapsible" data-toggle="collapse" href="#fixed-sidenav-21" role="button" aria-expanded="false" aria-controls="fixed-sidenav-21">App architecture</a><ul class="nav flex-column flex-nowrap collapse" id="fixed-sidenav-21"><li class="nav-item"><a class="nav-link" href="/app-architecture">Introduction</a></li><li class="nav-item"><a class="nav-link" href="/app-architecture/concepts">Architecture concepts</a></li><li class="nav-item"><a class="nav-link" href="/app-architecture/guide">Guide to app architecture</a></li><li class="nav-item"><a class="nav-link" href="/app-architecture/recommendations">Recommendations</a></li><li class="nav-item"><a class="nav-link collapsible collapsed" data-toggle="collapse" data-target="#fixed-sidenav-21-5" href="/cookbook/architecture" role="button" aria-expanded="false" aria-controls="fixed-sidenav-21-5">Design patterns</a><ul class="nav flex-column flex-nowrap collapse" id="fixed-sidenav-21-5"><li class="nav-item"><a class="nav-link" href="/cookbook/architecture/optimistic-state">Optimistic state</a></li><li class="nav-item"><a class="nav-link" href="/cookbook/architecture/key-value-data">Persistent storage architecture: Key-value data</a></li><li class="nav-item"><a class="nav-link" href="/cookbook/architecture/sql">Persistent storage architecture: SQL</a></li><li class="nav-item"><a class="nav-link" href="/cookbook/architecture/offline-first">Offline-first</a></li></ul></li></ul></li><li class="nav-item"><a class="nav-link collapsed collapsible" data-toggle="collapse" href="#fixed-sidenav-22" role="button" aria-expanded="false" aria-controls="fixed-sidenav-22">Platform integration</a><ul class="nav flex-column flex-nowrap collapse" id="fixed-sidenav-22"><li class="nav-item"><a class="nav-link" href="/reference/supported-platforms">Supported platforms</a></li><li class="nav-item"><a class="nav-link" href="/platform-integration/desktop">Build desktop apps with Flutter</a></li><li class="nav-item"><a class="nav-link" href="/platform-integration/platform-channels">Write platform-specific code</a></li><li class="nav-item"><a class="nav-link" href="/platform-integration/platform-adaptations">Automatic platform adaptations</a></li><li class="nav-item"><a class="nav-link collapsible collapsed" data-toggle="collapse" 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