[null,null,["最后更新时间 (UTC):2025-07-25。"],[[["\u003cp\u003eHeaders in car apps provide drivers with context by displaying the app and current screen, using elements like icons, text, and buttons.\u003c/p\u003e\n"],["\u003cp\u003eThey are supported in all templates except the Navigation template and can include an action strip for certain map-based templates.\u003c/p\u003e\n"],["\u003cp\u003eTo be included, a header must contain at least an app icon, back button or screen title text.\u003c/p\u003e\n"]]],[],null,["# Header\n\n\u003cbr /\u003e\n\nHeaders help drivers understand which app and what part of the app they're\nusing. \n**Can include:**\n\n- Icon or image (optional), such as app icon\n- Text (one line only -- longer text is truncated), typically the title of the screen\n- [Refresh](/cars/design/create-apps/sample-flows/refresh-with-buttons) button (only on Place List templates)\n- Back [button](/cars/design/create-apps/apps-for-drivers/components/button) (optional)\n\n\u003cbr /\u003e\n\nTemplate support\n----------------\n\nYou can use a header in all templates except the\n[Navigation template](/cars/design/create-apps/apps-for-drivers/templates/navigation-template).\nIn map-based templates, the header appears in the card. Otherwise, it\nincorporates the optional\n[action strip](/cars/design/create-apps/apps-for-drivers/components/action-strip).\n\nGuidance\n--------\n\nA header must include at least one of the following: text, app icon, or back\nbutton."]]