多住宅门锁概览
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多住宅门禁卡是闭环式卡片，用于识别用户并授予对建筑物的访问权限。
用户可以将自己的多住宅门禁卡添加到 Android 手机，以便安全地进入住宅楼。
借助多住宅门钥匙，用户还可以快速访问用户详细信息和重要住宅电话号码等信息。
用户前提条件
用户需要满足以下条件，才能在 Google 钱包中使用多家庭钥匙：
- 从 Google Play 下载其服务提供商应用的最新版本
- 为了尽可能提供更流畅的用户体验，不妨考虑创建 Play 免安装应用。本指南中介绍的通过 Android 应用创建多家庭键的所有功能均与 Play 免安装应用兼容。如需详细了解免安装应用，请参阅 Google Play 免安装体验概览。
- 一部搭载 Android 9.0 或更高版本且已开启 NFC 功能的手机
- 最新版 Google 钱包应用（推荐）
居住地前提条件
住宅需要满足以下条件，才能支持使用 Google 钱包的多住宅门钥匙：
- 支持 NFC 的读卡器，能够通过服务提供商支持的协议从 Google 钱包接收用户账号凭据。
品牌推广指南
品牌推广指南包含有关“添加到 Google 钱包”按钮准则和多家庭钥匙素材资源要求的信息。您还可以使用字段映射模板，了解数据如何映射到多家族键中的每个字段。
卡配置和用户体验
服务提供商应用会通过“添加到 Google 钱包”流程将用户账号与 Google 账号相关联。如需详细了解此集成的步骤，请参阅预配新卡片。
术语
下表介绍了本文档中使用的术语及其含义。
| 组件图对象定义 |
| Access Reader |
支持 NFC 的住宅读卡器。 |
| 账号 |
通常由使用服务提供商管理系统的住宅管理。
|
| 账号中心 |
账号中心可以访问管理访问卡生命周期所需的信息，以及使用访问读卡器进行身份验证所需的身份验证密钥。账号中心还会执行安全和风险活动，以提高系统的整体安全性。
|
| Google Play 服务 |
Google Play 服务应用及其设备服务，用于启用所有多家庭键功能。此组件还涵盖 Google 钱包应用。如需了解详情，请参阅
Google 钱包结构页面。
|
| Google 服务器 |
实现多个支持多家庭键的闭环 API 的 Google 后端服务器。
|
| 服务提供商 |
住宅管理系统的技术提供商。
|
| Residence 应用 |
由住宅（或服务提供商）创建的 Android 应用，供用户管理其账号。
也称为服务提供商应用。
|
| 发卡机构 |
签发卡片的居住地。
|
如未另行说明，那么本页面中的内容已根据知识共享署名 4.0 许可获得了许可，并且代码示例已根据 Apache 2.0 许可获得了许可。有关详情，请参阅 Google 开发者网站政策。Java 是 Oracle 和/或其关联公司的注册商标。
最后更新时间 (UTC)：2025-04-03。
[null,null,["最后更新时间 (UTC)：2025-04-03。"],[],[],null,["# Multi-Family Key Overview\n\nMulti-family Keys are closed-loop cards used to identify\nusers and grant building access.\n\nUsers can add their Multi-family Keys to their\nAndroid-powered phone to securely access residence\nbuildings.\n\nMulti-family Keys also give users fast\naccess to information such as user details and\nimportant residence phone numbers.\n\nUser prerequisites\n------------------\n\nFor a user to use Multi-family Keys with Google Wallet, they need the following:\n\n- The latest version of their Service Provider's app from Google Play\n - For a possibly more streamlined user experience, consider creating a Play Instant App. All functionality in this guide for creating Multi-family Keys from Android apps is compatible with Play Instant Apps. For more information about Instant Apps, see the [Overview of Google Play Instant](https://developer.android.com/topic/google-play-instant/overview).\n- A phone that runs Android 9.0 or higher, with NFC turned on\n- The latest version of the Google Wallet app (recommended)\n\nResidence prerequisites\n-----------------------\n\nFor a residence to support Multi-family Keys with Google Wallet, they need the following:\n\n- NFC-enabled readers capable of receiving a user account credential from Google Wallet through the Service Provider's supported protocol.\n\nBrand guidelines\n----------------\n\nThe [brand guidelines](/wallet/access/multi-family-key/get-started/brand-guidelines) contain information on \"Add to Google Wallet\" button guidelines and Multi-family Keys asset\nrequirements. A field mapping template is also available to show how data maps\nto each field on a Multi-family Keys.\n\nCard provisioning and user experience\n-------------------------------------\n\nThe Service Provider app links the user account to a\nGoogle Account through the Add to Google Wallet flow. For details on the\nsteps of this integration, see\n[Provision a new card](/wallet/access/multi-family-key/get-started/provision).\n\nTerminology\n-----------\n\nThe following table describes terms used in this documentation and their\nmeaning.\n\n| Component Diagram Object Definitions ||\n| Access Reader | NFC-enabled residence readers. |\n| Account | Typically managed by residences that use a Service Provider's management system. |\n| Account Hub | Account Hubs have access to the information necessary to manage the lifecycle of access cards and the required auth keys to authenticate with access readers. The Account Hub also performs security and risk activities in order to improve overall security of the system. |\n| Google Play Services | The Google Play Services application and its device services, which enable all Multi-family Keys functionality. This component also encompasses the Google Wallet app. For more information, see the [Google Wallet structure](/wallet/access/multi-family-key/guides/google-wallet-structure) page. |\n| Google Servers | Google backend servers that implement several closed-loop APIs supporting Multi-family Keys. |\n| Service Provider | Technology providers of residence management systems. |\n| Residence app | An Android application created by a Residence (or Service Provider) for user to manage their account(s). \u003cbr /\u003e Also referred to as Service Provider app. |\n| Card Issuers | The Residence that issues the cards. |\n|----------------------|------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|"]]
