[null,null,["最后更新时间 (UTC)：2025-07-25。"],[[["\u003cp\u003eThe small landscape reference design is optimized for smaller screens in vehicles, providing drivers with easy access to controls and apps with minimal distraction.\u003c/p\u003e\n"],["\u003cp\u003eIt features a system UI layer with a status bar and navigation bar, and an application layer that allows apps to run full-screen or in a smaller space on the Home screen.\u003c/p\u003e\n"],["\u003cp\u003eThe Home screen layout includes a status bar, vertically stacked Home cards on the left, a recommended navigation app on the right, and a navigation bar at the bottom for quick access to key features.\u003c/p\u003e\n"],["\u003cp\u003eAuto manufacturers (OEMs) can customize this Android Automotive OS reference design to match their brand and vehicle configurations.\u003c/p\u003e\n"]]],[],null,["# Small landscape reference design\n\n\u003cbr /\u003e\n\nThe small landscape reference design optimizes the space on smaller screens,\ngiving drivers easy access to controls and apps.\n\nWith this design, drivers can see and perform a range of common tasks with\nminimal distraction on small touchscreen landscape displays. They can also enter\ninto an immersive app experience.\n\nThe small landscape reference design is one of 2 fully-built reference designs\nin Android Automotive OS (AAOS). These designs provide essential system UI\nfeatures and accommodate a range of vehicle configurations. OEMs can\n[choose a reference design](/cars/design/automotive-os/product-experience/system-ui/overview#choose_a_reference_design.md)\nand customize it to reflect their vehicles and their brand.\n\nSpatial model\n-------------\n\nThe spatial model of the small landscape design consists of a system UI\nlayer on top of an application layer.\n\nThe system UI layer includes a status bar at the top of the screen and a\nnavigation bar at the bottom.\n\nWhen an application is opened, it runs on the application layer and takes\nup the full space between the status bar and the navigation bar, as shown\nabove. When the system is showing the Home screen, the application space is\nsmaller, as shown in the next section. \n\n\u003cbr /\u003e\n\nHome screen anatomy\n-------------------\n\nThe Home screen for the small landscape reference design is structured as shown\nbelow.\n\nThe Home screen includes the following elements:\n\n- **Status bar** at the top: It hosts the quick controls, clock, mic indicator, and profile selector.\n- **Home cards** on the left (vertically stacked)\n- **App** on the right (navigation app recommended)\n- **Navigation bar** at the bottom of the screen: It hosts quick access to the app launcher, climate controls, Notification Center, and digital assistant\n\nWhen an application is opened, the Home cards disappear and the app expands\nhorizontally."]]
