What to know
- Android is preparing a notification with an Undo action for call audio that switches to another device.
- Reversing headphone switches between source devices is already public; these additions specifically concern call audio routing.
- We found the Undo label and notification titles in framework-res from Android beta build dp11.261030.003.
A call’s audio moving to another device can leave you wanting to move it straight back. Our framework-res teardown found strings for a notification that reports the change and offers an Undo action, pointing to a shortcut for reversing the switch.
An Undo action alongside the call’s new audio destination
The notification text comes in two forms. One names the destination through the %1$s placeholder; the other simply says the call audio switched to a new device. An explicit Undo label accompanies them, along with a notification channel named “Call audio routing.”
These resources tie the reversal action directly to the call-audio notification:
The broader capability is already public. Google announced Audio Switch in 2022, including a notification that lets you return headphone audio to the previous source device. The finding here is the explicit Undo action in Android’s framework call-audio routing resources.
The strings leave open which call-audio changes trigger the notification. For you, the intended benefit is clear: a way to reverse an unwanted switch right where Android reports it.
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