<!DOCTYPE html><html lang="en"><head><meta charset="utf-8"><meta http-equiv="X-UA-Compatible" content="IE=edge"><meta name="viewport" content="width=device-width, height=device-height, initial-scale=1, user-scalable=no"><meta name="description" content="API docs for the rootBundle property from the services library, for the Dart programming language."><title>rootBundle property - services library - Dart API</title><!-- required because all the links are pseudo-absolute --><base href=".."><link href="https://fonts.googleapis.com/css?family=Source+Code+Pro:500,400i,400,300|Source+Sans+Pro:400,300,700" rel="stylesheet"><link href="https://fonts.googleapis.com/icon?family=Material+Icons" rel="stylesheet"><link rel="stylesheet" href="static-assets/github.css"><link rel="stylesheet" href="static-assets/styles.css"><link rel="icon" href="static-assets/favicon.png"></head><body><div id="overlay-under-drawer"></div><header id="title"><button id="sidenav-left-toggle" type="button"> </button><ol class="breadcrumbs gt-separated dark hidden-xs"><li><a href="index.html">flutter</a></li><li><a href="services/services-library.html">services</a></li><li class="self-crumb">rootBundle property</li></ol><div class="self-name">rootBundle</div><form class="search navbar-right" role="search"><input type="text" id="search-box" autocomplete="off" disabled class="form-control typeahead" placeholder="Loading search..."></form></header><main><div id="dartdoc-sidebar-left" class="col-xs-6 col-sm-3 col-md-2 sidebar sidebar-offcanvas-left"><header id="header-search-sidebar" class="hidden-l"><form class="search-sidebar" role="search"><input type="text" id="search-sidebar" autocomplete="off" disabled class="form-control typeahead" placeholder="Loading search..."></form></header><ol class="breadcrumbs gt-separated dark hidden-l" id="sidebar-nav"><li><a href="index.html">flutter</a></li><li><a href="services/services-library.html">services</a></li><li class="self-crumb">rootBundle property</li></ol><h5>services library</h5><ol><li class="section-title"><a href="services/services-library.html#classes">Classes</a></li><li><a href="services/AndroidMotionEvent-class.html">AndroidMotionEvent</a></li><li><a href="services/AndroidPointerCoords-class.html">AndroidPointerCoords</a></li><li><a href="services/AndroidPointerProperties-class.html">AndroidPointerProperties</a></li><li><a href="services/AndroidViewController-class.html">AndroidViewController</a></li><li><a href="services/ApplicationSwitcherDescription-class.html">ApplicationSwitcherDescription</a></li><li><a href="services/AssetBundle-class.html">AssetBundle</a></li><li><a href="services/BasicMessageChannel-class.html">BasicMessageChannel</a></li><li><a href="services/BinaryCodec-class.html">BinaryCodec</a></li><li><a class="deprecated" href="services/BinaryMessages-class.html">BinaryMessages</a></li><li><a href="services/BinaryMessenger-class.html">BinaryMessenger</a></li><li><a href="services/BlacklistingTextInputFormatter-class.html">BlacklistingTextInputFormatter</a></li><li><a href="dart-typed_data/ByteData-class.html">ByteData</a></li><li><a href="services/CachingAssetBundle-class.html">CachingAssetBundle</a></li><li><a href="services/Clipboard-class.html">Clipboard</a></li><li><a href="services/ClipboardData-class.html">ClipboardData</a></li><li><a href="services/EventChannel-class.html">EventChannel</a></li><li><a href="services/FontLoader-class.html">FontLoader</a></li><li><a href="services/GLFWKeyHelper-class.html">GLFWKeyHelper</a></li><li><a href="services/HapticFeedback-class.html">HapticFeedback</a></li><li><a href="services/JSONMessageCodec-class.html">JSONMessageCodec</a></li><li><a href="services/JSONMethodCodec-class.html">JSONMethodCodec</a></li><li><a href="services/KeyboardKey-class.html">KeyboardKey</a></li><li><a href="services/KeyHelper-class.html">KeyHelper</a></li><li><a href="services/LengthLimitingTextInputFormatter-class.html">LengthLimitingTextInputFormatter</a></li><li><a href="services/LogicalKeyboardKey-class.html">LogicalKeyboardKey</a></li><li><a href="services/MessageCodec-class.html">MessageCodec</a></li><li><a href="services/MethodCall-class.html">MethodCall</a></li><li><a href="services/MethodChannel-class.html">MethodChannel</a></li><li><a href="services/MethodCodec-class.html">MethodCodec</a></li><li><a href="services/NetworkAssetBundle-class.html">NetworkAssetBundle</a></li><li><a href="services/OptionalMethodChannel-class.html">OptionalMethodChannel</a></li><li><a href="services/PhysicalKeyboardKey-class.html">PhysicalKeyboardKey</a></li><li><a href="services/PlatformAssetBundle-class.html">PlatformAssetBundle</a></li><li><a href="services/PlatformViewController-class.html">PlatformViewController</a></li><li><a href="services/PlatformViewsRegistry-class.html">PlatformViewsRegistry</a></li><li><a href="services/PlatformViewsService-class.html">PlatformViewsService</a></li><li><a href="services/RawFloatingCursorPoint-class.html">RawFloatingCursorPoint</a></li><li><a href="services/RawKeyboard-class.html">RawKeyboard</a></li><li><a href="services/RawKeyDownEvent-class.html">RawKeyDownEvent</a></li><li><a href="services/RawKeyEvent-class.html">RawKeyEvent</a></li><li><a href="services/RawKeyEventData-class.html">RawKeyEventData</a></li><li><a href="services/RawKeyEventDataAndroid-class.html">RawKeyEventDataAndroid</a></li><li><a href="services/RawKeyEventDataFuchsia-class.html">RawKeyEventDataFuchsia</a></li><li><a href="services/RawKeyEventDataLinux-class.html">RawKeyEventDataLinux</a></li><li><a href="services/RawKeyEventDataMacOs-class.html">RawKeyEventDataMacOs</a></li><li><a href="services/RawKeyUpEvent-class.html">RawKeyUpEvent</a></li><li><a href="services/StandardMessageCodec-class.html">StandardMessageCodec</a></li><li><a href="services/StandardMethodCodec-class.html">StandardMethodCodec</a></li><li><a href="services/StringCodec-class.html">StringCodec</a></li><li><a href="services/SystemChannels-class.html">SystemChannels</a></li><li><a href="services/SystemChrome-class.html">SystemChrome</a></li><li><a href="services/SystemNavigator-class.html">SystemNavigator</a></li><li><a href="services/SystemSound-class.html">SystemSound</a></li><li><a href="services/SystemUiOverlayStyle-class.html">SystemUiOverlayStyle</a></li><li><a href="services/TextEditingValue-class.html">TextEditingValue</a></li><li><a href="services/TextInput-class.html">TextInput</a></li><li><a href="services/TextInputClient-class.html">TextInputClient</a></li><li><a href="services/TextInputConfiguration-class.html">TextInputConfiguration</a></li><li><a href="services/TextInputConnection-class.html">TextInputConnection</a></li><li><a href="services/TextInputFormatter-class.html">TextInputFormatter</a></li><li><a href="services/TextInputType-class.html">TextInputType</a></li><li><a href="dart-ui/TextPosition-class.html">TextPosition</a></li><li><a href="services/TextRange-class.html">TextRange</a></li><li><a href="services/TextSelection-class.html">TextSelection</a></li><li><a href="services/TextSelectionDelegate-class.html">TextSelectionDelegate</a></li><li><a href="services/UiKitViewController-class.html">UiKitViewController</a></li><li><a href="services/WhitelistingTextInputFormatter-class.html">WhitelistingTextInputFormatter</a></li><li class="section-title"><a href="services/services-library.html#mixins">Mixins</a></li><li><a href="services/ServicesBinding-mixin.html">ServicesBinding</a></li><li class="section-title"><a href="services/services-library.html#constants">Constants</a></li><li><a href="services/defaultBinaryMessenger-constant.html">defaultBinaryMessenger</a></li><li class="section-title"><a href="services/services-library.html#properties">Properties</a></li><li><a href="services/platformViewsRegistry.html">platformViewsRegistry</a></li><li><a href="services/rootBundle.html">rootBundle</a></li><li class="section-title"><a href="services/services-library.html#enums">Enums</a></li><li><a href="dart-ui/Brightness-class.html">Brightness</a></li><li><a href="services/DeviceOrientation-class.html">DeviceOrientation</a></li><li><a href="services/FloatingCursorDragState-class.html">FloatingCursorDragState</a></li><li><a href="services/KeyboardSide-class.html">KeyboardSide</a></li><li><a href="services/ModifierKey-class.html">ModifierKey</a></li><li><a href="services/SystemSoundType-class.html">SystemSoundType</a></li><li><a href="services/SystemUiOverlay-class.html">SystemUiOverlay</a></li><li><a href="dart-ui/TextAffinity-class.html">TextAffinity</a></li><li><a href="services/TextCapitalization-class.html">TextCapitalization</a></li><li><a href="services/TextInputAction-class.html">TextInputAction</a></li><li class="section-title"><a href="services/services-library.html#typedefs">Typedefs</a></li><li><a href="services/MessageHandler.html">MessageHandler</a></li><li><a href="services/PlatformViewCreatedCallback.html">PlatformViewCreatedCallback</a></li><li><a href="services/TextInputFormatFunction.html">TextInputFormatFunction</a></li><li class="section-title"><a href="services/services-library.html#exceptions">Exceptions</a></li><li><a href="services/MissingPluginException-class.html">MissingPluginException</a></li><li><a href="services/PlatformException-class.html">PlatformException</a></li></ol></div><!--/.sidebar-offcanvas-left--><div id="dartdoc-main-content" class="col-xs-12 col-sm-9 col-md-8 main-content"><div><h1><span class="kind-top-level-property">rootBundle</span> top-level property </h1></div><section class="multi-line-signature"><span class="returntype"><a href="services/AssetBundle-class.html">AssetBundle</a></span><span class="name ">rootBundle</span><div class="features">final</div></section><section class="desc markdown"><p>The <a href="services/AssetBundle-class.html">AssetBundle</a> from which this application was loaded.</p><p>The <a href="services/rootBundle.html">rootBundle</a> contains the resources that were packaged with theapplication when it was built. To add resources to the <a href="services/rootBundle.html">rootBundle</a> for yourapplication, add them to the <code>assets</code> subsection of the <code>flutter</code> section ofyour application's <code>pubspec.yaml</code> manifest.</p><p>For example:</p><pre class="language-yaml"><code class="language-yaml">name: my_awesome_applicationflutter:assets:- images/hamilton.jpeg- images/lafayette.jpeg</code></pre><p>Rather than using <a href="services/rootBundle.html">rootBundle</a> directly, consider obtaining the<a href="services/AssetBundle-class.html">AssetBundle</a> for the current <a href="widgets/BuildContext-class.html">BuildContext</a> using <a href="widgets/DefaultAssetBundle/of.html">DefaultAssetBundle.of</a>.This layer of indirection lets ancestor widgets substitute a different<a href="services/AssetBundle-class.html">AssetBundle</a> at runtime (e.g., for testing or localization) rather thandirectly replying upon the <a href="services/rootBundle.html">rootBundle</a> created at build time. Forconvenience, the <a href="widgets/WidgetsApp-class.html">WidgetsApp</a> or <a href="material/MaterialApp-class.html">MaterialApp</a> widget at the top of thewidget hierarchy configures the <a href="widgets/DefaultAssetBundle-class.html">DefaultAssetBundle</a> to be the <a href="services/rootBundle.html">rootBundle</a>.</p><p>See also:</p><ul><li><a href="widgets/DefaultAssetBundle-class.html">DefaultAssetBundle</a></li><li><a href="services/NetworkAssetBundle-class.html">NetworkAssetBundle</a></li></ul></section><section class="summary source-code" id="source"><h2><span>Implementation</span></h2><pre class="language-dart"><code class="language-dart">final AssetBundle rootBundle = _initRootBundle()</code></pre></section></div> <!-- /.main-content --><div id="dartdoc-sidebar-right" class="col-xs-6 col-sm-6 col-md-2 sidebar sidebar-offcanvas-right"></div><!--/.sidebar-offcanvas--></main><footer><span class="no-break">flutter 0.0.0-unknown</span></footer><script src="https://ajax.googleapis.com/ajax/libs/jquery/3.2.1/jquery.min.js"></script><script src="static-assets/typeahead.bundle.min.js"></script><script src="static-assets/highlight.pack.js"></script><script src="static-assets/URI.js"></script><script src="static-assets/script.js"></script></body></html>
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