Android Automotive: car-ui-lib integrated but toast still doesn't show duration 8 seconds

Android Automotive: car-ui-lib integrated but toast still shows as SystemUIToast

Jan 13 '26 Comments: 2 Answers: 0

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I am working on Android Automotive (AAOS) and integrated car-ui-lib into SystemUI by following the official documentation:
https://developer.android.com/design/ui/cars/guides/components/toast
https://source.android.com/docs/automotive/hmi/car_ui/integrate
However, when I trigger a toast using Toast.makeText(), it is still rendered as a Platform/SystemUI toast (SystemUIToast). The toast duration is not ~8 seconds, and I do not see a toast…

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