[null,null,["最后更新时间 (UTC)：2025-07-25。"],[[["\u003cp\u003eToasts are short, informational messages displayed briefly at the bottom of the screen, informing users about an app's actions without requiring interaction.\u003c/p\u003e\n"],["\u003cp\u003eToasts automatically disappear after 8 seconds and have lower priority than dialogs which require user interaction.\u003c/p\u003e\n"],["\u003cp\u003eToasts consist of a background and a text message area, and their appearance (fonts, dimensions, placement) can be customized by OEMs.\u003c/p\u003e\n"],["\u003cp\u003eOEMs can customize toasts using runtime overlays, following guidance from the design system for layout, typography, and sizing.\u003c/p\u003e\n"]]],[],null,["# Toasts\n\n\u003cbr /\u003e\n\nA toast is a short, informational message that an app displays briefly near the bottom of the screen.\n\nOnly one toast can be displayed at a time. The toast tells a user about an action the app has taken or will take. It does not require any user action or response. After 8 seconds, the toast disappears automatically.\n\nToasts are related to dialogs (and are in the Dialog family of components), but they differ in purpose and priority, as shown below.\n\n|---------------------------------------------------------|--------------------------------------------------------------------------------------------------------------------|--------------|\n| **Component** | **Purpose** | **Priority** |\n| Toast | Displays an informative message. Doesn't require user interaction. Disappears after 8 seconds. | Low |\n| [Dialog](/cars/design/automotive-os/components/dialogs) | Displays information and task options that require user interaction. A dialog retains focus until a user responds. | High |\n\n| **Note:** Toasts are based on the Toast component in the Car UI Library. To use the Toast component, you must [add the Car UI Library as a dependency](https://source.android.com/devices/automotive/hmi/car_ui/integrate) to your app.\n\nAnatomy\n-------\n\nA toast appears briefly in front of other screen content. It consists of a background and a text message.\n1. Toast background \n2. Toast message area \n\nSpecs\n-----\n\n### Toast -- padding around message text\n\n### Toast -- bottom placement on screen\n\nCustomization\n-------------\n\nOEMs can modify the appearance of toasts to reflect their brand by:\n\n- Providing custom fonts\n- Changing toast dimensions and placement\n\n| **Note:** To customize toasts, OEMs must use runtime overlays, explained in the [Car UI Library Integration Guide](https://source.android.com/devices/automotive/hmi/car_ui).\n\n[Design system](/cars/design/automotive-os/design-system/overview) provides guidance for customizing components using layout, typography, and sizing.\n\nExamples\n--------\n\n### Toast message format\n\n### Toast placement (near bottom of the screen)"]]
