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<!doctype html>
<html lang="zh-CN" dir="ltr">
<head>
<meta name="google-signin-client-id" content="721724668570-nbkv1cfusk7kk4eni4pjvepaus73b13t.apps.googleusercontent.com">
<meta name="google-signin-scope" content="profile email">
<meta property="og:site_name" content="Android Developers">
<meta property="og:type" content="website">
<meta name="theme-color" content="#3ddc84">
<meta charset="utf-8">
<meta content="IE=Edge" http-equiv="X-UA-Compatible">
<meta name="viewport" content="width=device-width, initial-scale=1">
<link rel="manifest" href="/_pwa/android/manifest.json"
crossorigin="use-credentials">
<link rel="preconnect" href="//www.gstatic.com" crossorigin>
<link rel="preconnect" href="//fonts.gstatic.com" crossorigin>
<link rel="preconnect" href="//fonts.googleapis.com" crossorigin>
<link rel="stylesheet" href="//fonts.googleapis.com/css?family=Roboto:300,400,400italic,500,500italic,700,700italic|Roboto+Mono:400,500,700|Material+Icons">
<link rel="stylesheet" href="https://www.gstatic.com/devrel-devsite/prod/v9d570efc814a28024c8ff149d6de123f7f820fa81162ad936a6bcae349b1b74d/android/css/app.css">
<noscript>
<link rel="stylesheet" href="https://www.gstatic.com/devrel-devsite/prod/v9d570efc814a28024c8ff149d6de123f7f820fa81162ad936a6bcae349b1b74d/android/css/ce_bundle.css">
</noscript>
<link rel="shortcut icon" href="https://www.gstatic.com/devrel-devsite/prod/v9d570efc814a28024c8ff149d6de123f7f820fa81162ad936a6bcae349b1b74d/android/images/favicon.png">
<link rel="apple-touch-icon" href="https://www.gstatic.com/devrel-devsite/prod/v9d570efc814a28024c8ff149d6de123f7f820fa81162ad936a6bcae349b1b74d/android/images/touchicon-180.png"><link rel="canonical" href="https://developer.android.com/jetpack/androidx/migrate/class-mappings"><link rel="search" type="application/opensearchdescription+xml"
title="Android Developers" href="https://developer.android.com/s/opensearch.xml">
<title>类映射 | Android Developers</title>
<meta property="og:title" content="类映射 | Android Developers">
<meta property="og:url" content="https://developer.android.com/jetpack/androidx/migrate/class-mappings">
<meta property="og:image" content="/images/android-developers.png">
<meta property="og:image:secure_url" content="/images/android-developers.png">
<meta property="og:image:width" content="1200">
<meta property="og:image:height" content="675">
<meta property="og:locale" content="zh_cn">
<meta name="twitter:card" content="summary_large_image">
</head>
<body type="article"
theme="android-theme"
class=""
layout="docs"
pending>
<devsite-progress type="indeterminate" id="app-progress"></devsite-progress>
<div class="devsite-wrapper"><devsite-header>
<div class="devsite-header--inner">
<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="/" class="devsite-site-logo-link gc-analytics-event"
data-category="Site-Wide Custom Events" data-label="Site logo">
<img src="https://www.gstatic.com/devrel-devsite/prod/v9d570efc814a28024c8ff149d6de123f7f820fa81162ad936a6bcae349b1b74d/android/images/lockup.svg" class="devsite-site-logo" alt="Android Developers">
</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">
<div class="devsite-tabs-wrapper">
<tab >
<a href="/about"
class="gc-analytics-event"
title="平台"
data-category="Site-Wide Custom Events"
data-label="Tab: 平台"
>
平台
</a>
</tab>
<tab >
<a href="/studio"
class="gc-analytics-event"
title="Android Studio"
data-category="Site-Wide Custom Events"
data-label="Tab: Android Studio"
>
Android Studio
</a>
</tab>
<tab >
<a href="/distribute"
class="gc-analytics-event"
title="Google Play"
data-category="Site-Wide Custom Events"
data-label="Tab: Google Play"
>
Google Play
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<a href="/jetpack"
class="gc-analytics-event"
title="Jetpack"
aria-label="Jetpack, selected" data-category="Site-Wide Custom Events"
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Jetpack
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<a href="/kotlin"
class="gc-analytics-event"
title="Kotlin"
data-category="Site-Wide Custom Events"
data-label="Tab: Kotlin"
>
Kotlin
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class="gc-analytics-event"
title="文档"
data-category="Site-Wide Custom Events"
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>
文档
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<tab >
<a href="/news"
class="gc-analytics-event"
title="新闻"
data-category="Site-Wide Custom Events"
data-label="Tab: 新闻"
>
新闻
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enable-signin enable-search enable-suggestions
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type="text"
class="devsite-search-field devsite-search-query"
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value=""
autocomplete="off"
aria-label="搜索框">
<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 box"></button>
</div>
</form>
<button type="button"
search-close
class="devsite-search-button devsite-header-icon-button button-flat material-icons"
aria-label="Close search box"></button>
</devsite-search>
</div>
<devsite-language-selector>
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<select class="devsite-language-selector-select"
name="language"
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<option value="id"
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>
Bahasa Indonesia
</option>
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>
Deutsch
</option>
<option value="en"
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>
English
</option>
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>
Español
</option>
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track-metadata-original-language="zh_cn"
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track-name="changed"
track-type="languageSelector"
>
Español – América Latina
</option>
<option value="fr"
track-metadata-original-language="zh_cn"
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track-name="changed"
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>
Français
</option>
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track-metadata-original-language="zh_cn"
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track-name="changed"
track-type="languageSelector"
>
Português – Brasil
</option>
<option value="vi"
track-metadata-original-language="zh_cn"
track-metadata-selected-language="vi"
track-name="changed"
track-type="languageSelector"
>
Tiếng Việt
</option>
<option value="tr"
track-metadata-original-language="zh_cn"
track-metadata-selected-language="tr"
track-name="changed"
track-type="languageSelector"
>
Türkçe
</option>
<option value="ru"
track-metadata-original-language="zh_cn"
track-metadata-selected-language="ru"
track-name="changed"
track-type="languageSelector"
>
Русский
</option>
<option value="th"
track-metadata-original-language="zh_cn"
track-metadata-selected-language="th"
track-name="changed"
track-type="languageSelector"
>
ภาษาไทย
</option>
<option value="zh_cn"
track-metadata-original-language="zh_cn"
track-metadata-selected-language="zh_cn"
track-name="changed"
track-type="languageSelector"
selected="selected"
>
中文 – 简体
</option>
<option value="zh_tw"
track-metadata-original-language="zh_cn"
track-metadata-selected-language="zh_tw"
track-name="changed"
track-type="languageSelector"
>
中文 – 繁體
</option>
<option value="ja"
track-metadata-original-language="zh_cn"
track-metadata-selected-language="ja"
track-name="changed"
track-type="languageSelector"
>
日本語
</option>
<option value="ko"
track-metadata-original-language="zh_cn"
track-metadata-selected-language="ko"
track-name="changed"
track-type="languageSelector"
>
한국어
</option>
</select>
</devsite-select>
</devsite-language-selector>
<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="/jetpack" class="devsite-breadcrumb-link gc-analytics-event"
data-category="Site-Wide Custom Events"
data-label="Lower Header"
data-value="1"
>
Jetpack
</a>
</li>
</ul>
</div>
</div>
<div class="devsite-doc-set-nav-row">
<devsite-tabs class="lower-tabs">
<div class="devsite-tabs-wrapper">
<tab >
<a href="/jetpack"
class="gc-analytics-event"
title="概览"
data-category="Site-Wide Custom Events"
data-label="Tab: 概览"
>
概览
</a>
</tab>
<tab >
<a href="/jetpack/docs/getting-started"
class="gc-analytics-event"
title="使用入门"
data-category="Site-Wide Custom Events"
data-label="Tab: 使用入门"
>
使用入门
</a>
</tab>
<tab active>
<a href="/jetpack/androidx"
class="gc-analytics-event"
title="AndroidX"
aria-label="AndroidX, selected" data-category="Site-Wide Custom Events"
data-label="Tab: AndroidX"
>
AndroidX
</a>
</tab>
<tab >
<a href="/jetpack/docs/feedback"
class="gc-analytics-event"
title="社区"
data-category="Site-Wide Custom Events"
data-label="Tab: 社区"
>
社区
</a>
</tab>
</div>
</devsite-tabs>
</div>
</div> </div></div>
</devsite-header> <devsite-book-nav scrollbars >
<nav class="devsite-book-nav devsite-nav nocontent">
<div class="devsite-mobile-header">
<button type="button"
id="devsite-close-nav"
class="devsite-header-icon-button button-flat material-icons gc-analytics-event"
data-category="Site-Wide Custom Events"
data-label="Close navigation"
aria-label="Close navigation">
</button>
<div class="devsite-product-name-wrapper">
<a href="/" class="devsite-site-logo-link gc-analytics-event"
data-category="Site-Wide Custom Events" data-label="Site logo">
<img src="https://www.gstatic.com/devrel-devsite/prod/v9d570efc814a28024c8ff149d6de123f7f820fa81162ad936a6bcae349b1b74d/android/images/lockup.svg" class="devsite-site-logo" alt="Android Developers">
</a>
<span class="devsite-product-name">
<ul class="devsite-breadcrumb-list">
<li class="devsite-breadcrumb-item
">
</li>
</ul>
</span>
</div> </div>
<div class="devsite-book-nav-wrapper">
<div class="devsite-mobile-nav-top">
<ul class="devsite-nav-list">
<li class="devsite-nav-item">
<a href="/about"
class="devsite-nav-title gc-analytics-event
"
data-category="Site-Wide Custom Events"
data-label="Responsive Tab: 平台">
<span class="devsite-nav-text" >平台</span>
</a>
</li>
<li class="devsite-nav-item">
<a href="/studio"
class="devsite-nav-title gc-analytics-event
"
data-category="Site-Wide Custom Events"
data-label="Responsive Tab: Android Studio">
<span class="devsite-nav-text" >Android Studio</span>
</a>
</li>
<li class="devsite-nav-item">
<a href="/distribute"
class="devsite-nav-title gc-analytics-event
"
data-category="Site-Wide Custom Events"
data-label="Responsive Tab: Google Play">
<span class="devsite-nav-text" >Google Play</span>
</a>
</li>
<li class="devsite-nav-item">
<a href="/jetpack"
class="devsite-nav-title gc-analytics-event
devsite-nav-active"
data-category="Site-Wide Custom Events"
data-label="Responsive Tab: Jetpack">
<span class="devsite-nav-text" >Jetpack</span>
</a>
<ul class="devsite-nav-responsive-tabs">
<li class="devsite-nav-item">
<a href="/jetpack"
class="devsite-nav-title gc-analytics-event
"
data-category="Site-Wide Custom Events"
data-label="Responsive Tab: 概览">
<span class="devsite-nav-text" >概览</span>
</a>
</li>
<li class="devsite-nav-item">
<a href="/jetpack/docs/getting-started"
class="devsite-nav-title gc-analytics-event
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<p>下表列出了从旧支持库软件包到新 <code translate="no" dir="ltr">androidx</code> 软件包的当前映射关系。您也可以下载包含这些映射信息的 <a href="/topic/libraries/support-library/downloads/androidx-class-mapping.csv">CSV 格式</a>文件。</p>
<h2 id="androidarch">android.arch</h2>
<h3 id="androidarchcore">android.arch.core</h3>
<table>
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<th>AndroidX 类</th>
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<td>core.executor.AppToolkitTaskExecutor</td>
<td>androidx.arch.core.executor.AppToolkitTaskExecutor</td>
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<td>core.executor.ArchTaskExecutor</td>
<td>androidx.arch.core.executor.ArchTaskExecutor</td>
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<td>androidx.arch.core.executor.DefaultTaskExecutor</td>
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<td>core.executor.JunitTaskExecutorRule</td>
<td>androidx.arch.core.executor.JunitTaskExecutorRule</td>
</tr>
<tr>
<td>core.executor.TaskExecutor</td>
<td>androidx.arch.core.executor.TaskExecutor</td>
</tr>
<tr>
<td>core.executor.TaskExecutorWithFakeMainThread</td>
<td>androidx.arch.core.executor.TaskExecutorWithFakeMainThread</td>
</tr>
<tr>
<td>core.executor.testing.CountingTaskExecutorRule</td>
<td>androidx.arch.core.executor.testing.CountingTaskExecutorRule</td>
</tr>
<tr>
<td>core.executor.testing.InstantTaskExecutorRule</td>
<td>androidx.arch.core.executor.testing.InstantTaskExecutorRule</td>
</tr>
<tr>
<td>core.internal.FastSafeIterableMap</td>
<td>androidx.arch.core.internal.FastSafeIterableMap</td>
</tr>
<tr>
<td>core.internal.SafeIterableMap</td>
<td>androidx.arch.core.internal.SafeIterableMap</td>
</tr>
<tr>
<td>core.util.Function</td>
<td>androidx.arch.core.util.Function</td>
</tr>
</tbody>
</table>
<p>返回<a href="#top">页首</a></p>
<h3 id="androidarchlifecycle">android.arch.lifecycle</h3>
<table>
<thead>
<tr>
<th>支持库类</th>
<th>AndroidX 类</th>
</tr>
</thead>
<tbody>
<tr>
<td>lifecycle.AndroidViewModel</td>
<td>androidx.lifecycle.AndroidViewModel</td>
</tr>
<tr>
<td>lifecycle.ClassesInfoCache</td>
<td>androidx.lifecycle.ClassesInfoCache</td>
</tr>
<tr>
<td>lifecycle.CompositeGeneratedAdaptersObserver</td>
<td>androidx.lifecycle.CompositeGeneratedAdaptersObserver</td>
</tr>
<tr>
<td>lifecycle.ComputableLiveData</td>
<td>androidx.lifecycle.ComputableLiveData</td>
</tr>
<tr>
<td>lifecycle.DefaultLifecycleObserver</td>
<td>androidx.lifecycle.DefaultLifecycleObserver</td>
</tr>
<tr>
<td>lifecycle.Elements_extKt</td>
<td>androidx.lifecycle.Elements_extKt</td>
</tr>
<tr>
<td>lifecycle.EmptyActivityLifecycleCallbacks</td>
<td>androidx.lifecycle.EmptyActivityLifecycleCallbacks</td>
</tr>
<tr>
<td>lifecycle.ErrorMessages</td>
<td>androidx.lifecycle.ErrorMessages</td>
</tr>
<tr>
<td>lifecycle.FullLifecycleObserver</td>
<td>androidx.lifecycle.FullLifecycleObserver</td>
</tr>
<tr>
<td>lifecycle.FullLifecycleObserverAdapter</td>
<td>androidx.lifecycle.FullLifecycleObserverAdapter</td>
</tr>
<tr>
<td>lifecycle.GeneratedAdapter</td>
<td>androidx.lifecycle.GeneratedAdapter</td>
</tr>
<tr>
<td>lifecycle.GenericLifecycleObserver</td>
<td>androidx.lifecycle.GenericLifecycleObserver</td>
</tr>
<tr>
<td>lifecycle.HolderFragment</td>
<td>androidx.lifecycle.HolderFragment</td>
</tr>
<tr>
<td>lifecycle.Input_collectorKt</td>
<td>androidx.lifecycle.Input_collectorKt</td>
</tr>
<tr>
<td>lifecycle.Lifecycle</td>
<td>androidx.lifecycle.Lifecycle</td>
</tr>
<tr>
<td>lifecycle.LifecycleDispatcher</td>
<td>androidx.lifecycle.LifecycleDispatcher</td>
</tr>
<tr>
<td>lifecycle.LifecycleObserver</td>
<td>androidx.lifecycle.LifecycleObserver</td>
</tr>
<tr>
<td>lifecycle.LifecycleOwner</td>
<td>androidx.lifecycle.LifecycleOwner</td>
</tr>
<tr>
<td>lifecycle.LifecycleProcessor</td>
<td>androidx.lifecycle.LifecycleProcessor</td>
</tr>
<tr>
<td>lifecycle.LifecycleRegistry</td>
<td>androidx.lifecycle.LifecycleRegistry</td>
</tr>
<tr>
<td>lifecycle.LifecycleRegistryOwner</td>
<td>androidx.lifecycle.LifecycleRegistryOwner</td>
</tr>
<tr>
<td>lifecycle.LifecycleService</td>
<td>androidx.lifecycle.LifecycleService</td>