Questions tagged [android-auto]

A system and associated APIs for enabling display of Android apps on vehicle head units.

Android Auto (not to be confused with ) is a secondary interface that is implemented on the already existing Android operating system and extends the Android platform into the car. It basically runs on a smartphone but the display is on the car dashboard, which can be either a hands-free (voice recognition) or touchscreen interface. The car must support Android auto to interact with your user auto-enabled apps. At present Android Auto has around 40 manufacturers to co-operate including Audi, Ford, Mercedes Benz, VW, Volvo etc. Full list of compatible vehicles and Android devices you can find here.

When users connect (via USB or Wireless) their handheld devices running Android 5.0 or higher to a compatible vehicle, the Auto user interface provides a car-optimized Android experience on the vehicle's screen. Users interact with compatible apps and services through voice actions and the vehicle's input controls (like a touchscreen or dashboard buttons).

Android Auto Overview

Android Auto is also available on phone screens, giving users the full Android Auto experience entirely on the phone without needing to connect to a compatible vehicle. With this standalone, handheld version of Android Auto, users can still use voice to handle calls, messages, music, and navigation, using an interface designed for driving.

With Android Auto a driver's mobile will have access to several of the automobile's inputs and sensors with the help of Android Auto such: Compass, Wheel Speed, Sound System, Directional Speakers, Directional Microphones, GPS antennas, Mobile antennas.

More information

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Android Auto DHU : how to change the display size of DHU

Does anyone know whit is going on to the DHU? The layout suddenly shows only half. I print out the SurfaceContainer info, width:800, heigh:240. The original is width:800, heigh:400.
Joanne Chang
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How can I find out why Android Auto in developer mode won't connect to the "Desktop Head Unit"?

I am attempting to get car_app_library hello world example to run through android auto to the DHU. I have two different workstations with Android Studio and the DHU 2.0Beta. I have two different Android Devices, a Galaxy S9+ and a Galaxy Tab…
80sTron
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Notifications are not displayed in Android Auto

I've had trouble trying to show notifications in Android Auto. I have followed the configuration guide for adding support for Android Auto1 and the one for notifications in Android Auto 2. But the documentation for the Notification is not clear to…
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Add implementation "androidx.car.app:app:1.1.0-alpha02" occurs Manifest merger failed

In build.gradle file, add this under dependencies implementation "androidx.car.app:app:1.1.0-beta01" Then rebuild the project, it only shows :app:processDebugManifest > Manifest merger failed with multiple errors, see logs No more error details. I…
Joanne Chang
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Android: is it possible to mirror app screen on car screen?

Is it possible to add a feature in an app where the user can mirror the app screen on the car screen monitor using Bluetooth? Usage: An Android app that retrieves some data from a server and shows this data on a map (like Google Maps) which is…
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Is it possible for OEM to share CAN bus events to Android Auto app?

Is it possible for OEM to share CAN bus events with Android Auto (not Automotive) app? I mean OEMs original apps. If it's possible, than are there any restrictions, or any CAN bus events can be shared? UPDATE: As stated in Car App Library docs,…
Oleh Liskovych
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Android Auto Desktop Head Unit (DHU) Hello World App started but no launcher icon in DHU available

I have created a first Hello World App for Android Auto from "No Activity" template for Android Automotive. In Launch Options I had to choose nothing. The build was successful and Android Studio reported "Launch succeeded". But in the DHU no…
Oliver Karst
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Is there anyway to get the EV battery details from the car?

I need to show the remaining battery of the EV inside my mobile app. Is there any possible way to get this information from the car. I went through this documentation CarPropertyManager they have mentioned some details but I am not able to implement…
Abraham Mathew
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Mirror an exiting android application in Android Auto

I'm trying to figure what needs to be done in order to let my users use my existing app in Android auto,c I have a navigation app that works only on Android devices. now I want to enable my users to mirror the exiting app on their android Auto…
c.o
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Clip the video to fullly fill the screen in Android Auto

Now, I am developing our own Android Auto Project. I encountered an issue. I added 3 supported VideoConfiguration. (1920 X 1080, 1280 X 720, 800 X 480) Our in-car screen's size is 1920 X 720. After I started my app in car, I noticed the cellphone…
Briks Wang
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What is the cause for this invalid path issue when trying to run cpp protocol buffer compiler from CMake on Windows 10 and how can I solve it?

I'm trying to build the aasdk project on a Windows 10 computer. To do this, I am attempting to run the following commands in the root of the git repo directory: mkdir buildDir cd buildDir cmake ..\ cmake --build . --config Release The last command…
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Android Auto Dekstop Head Unit ANR: GET_APP_VERSION

I'm sitting with an app and want to try it out for Android Auto. Im using the DHU for emulating the dashboard, but I'm not able to see the layout due to an ANR (Application not responding) error. I do get one error in the logcat, but I'm unsure if…
MikkelT
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Do Android Automotive OS support OpenCV OpenGL and multiple screen

I am trying to convert the desktop app to Android Automotive OS (AAOS). I am using OpenCV DNN for object tracking. Also, I am using OpenGL to render the contents. Rendering outputs (2 full HD) must be displayed on two monitors (must be full screen).…
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Android Auto, how to replace CarExtender (deprecated) with MessagingStyle

So I have application that as side action, sends out notification towards Android Auto (not just towards AA, but also other notifications). Till now we just added UnreadConversation into NotificationCompat.Builder val builder =…
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Android Auto prevent dimming

When using Android Auto Google maps on new Toyota Corolla the car screen dims as soon as the phone screen timeouts. If I unlock the phone car screen goes bright again. How to prevent car screen from dimming? Thank you
Kiril Lukiyan
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