Cars can also support a touchpad which can be used for map panning and text entry. Bear these different configurations in mind when simulating different vehicle head units. The DHU supports using a microphone for voice input or playing a pre-recorded voice track. For your convenience, we have provided the following sound files for common voice commands. The DHU supports simulating changes in the vehicle's sensor data with the following commands. To mock sensor data and send them to Android Auto, the corresponding sensors have to be enabled with the configuration.
The DHU supports simulating changing between day and night mode with the following commands and key bindings. The DHU supports simulating whether or not Android Auto has focus on the head unit with the following commands. The DHU supports simulating certain restrictions when the vehicle is moving, such as disabling the keyboard and disallowing phone configurations.
This can be enabled using the instrumentcluster entry in the configuration file, or by the navcluster or phonecluster entries to control each feature separately. The DHU supports an additional information display to show media playback status, for example, what track is playing. This can be enabled using the playbackstatus entry in the configuration file.
The DHU provides a set of default keycodes that simulates the set of shortcut buttons that are commonly available in different vehicles. For example, the home keycode can be triggered in the DHU prompt as follows:. The DHU supports a configuration. If you wish to change the configuration of the head unit on your system, you can modify this file. You can also specify a configuration file to load using the -c flag.
For more advanced use cases, please refer to the supported settings below. For example, if you wanted a x screen, you would set the resolution to p x and a marginwidth of and marginheight of This has the effect of adding a px margin on both the left and right edges, and 60px top and bottom. To mock sensor data and send them to Android Auto, the corresponding sensors have to be enabled using the options below. If a sensor is disabled, any data sent for that sensor using the DHU commands is ignored.
DHU commands allow you to test your app with Android Auto features, such as playing voice input or switching between night and day display mode. You can also issue commands by selecting the DHU window and using keyboard shortcuts.
Android Auto supports different color schemes for day and night. You should test your app in both day and night mode. You can switch between night and day mode in either of the following ways:. The DHU supports using a microphone for voice input. You can also instruct the DHU to treat a prerecorded voice track as input, as if the DHU had heard the track through the microphone.
You can use the Android Emulator to test how your driver-optimized app runs on an Android Automotive OS vehicle display. Media apps on Automotive OS apps are different than other Android apps. Android Automotive OS interacts with your media app using explicit intents and by sending calls to your media browser service.
In order to test your app, verify that your app has no launch activity in its manifest, and then prevent your automotive module from launching with an activity by following these steps:. Follow these steps to add a system image:. Android Studio also includes a generic system image for Android Automotive OS that you can also use to test your app.
This generic system image includes the Google Assistant so that you can test your app's integration. If you are testing a media app, then you should also test for the scenarios that are covered in this section in addition to testing your app on Android Auto, Android Automotive OS, or both.
To help keep drivers and passengers safe, users have additional restrictions on how they can interact with apps while driving. For this reason, Android Auto and Android Automotive OS have some MediaBrowserService startup scenarios that your app must be able to handle so that users can continue to enjoy your content while they're on the road.
Also make sure to set an appropriate error message when necessary. The Media Controller Test app allows you to test the intricacies of media playback on Android and helps verify your media session implementation.
To get started with this tool, see Using the media controller test app. Content and code samples on this page are subject to the licenses described in the Content License. App Basics. Build your first app. App resources. Resource types. App manifest file.
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Related Hot Network Questions. Google Assistant can read your messages out loud. And you can write back by talking.
From making calls to using chat apps with just your voice, Android Auto makes driving less distracting. Take your media on the road. And control it all with your voice. Pause your road-trip playlist and pick up where you left off. Just talk to start a new audio book.
Or blast that one song for the hundredth time. From highway to backroad and everything in between, Android Auto lets you do more while driving. That means more efficient app controls.
And so many ways to make it yours. All powered by Android. See what's happening today, across your personal calendars. Then tap any event to make a call or start navigating. So you can stay ahead of your schedule and remain focused on the road. Android Auto works with larger displays so you can get more information as you drive. Use the navigation bar to control more apps with fewer taps. Come to a stop, then tap the notification center to see recent messages.
Make sure your car or stereo is compatible with Android Auto. If you have Android 9 or below, get the Android Auto app on your phone.
Some phones can connect wirelessly. Have more questions? Get the answers you need and hit the road with Android Auto. Android Auto makes it easy to access your favorite music, media, and messaging apps in the car. Check out all the Apps for Android Auto. November 14, Latest Stories. Ida Torres - November 22, Aside from tracking our fitness and activity, another aspect that we're now more conscious about is our sleeping habits. People are on the lookout Onyx Boox Leaf eReader launches as an affordable option November 22, Xiaomi 12X may be smaller with similar specs November 22,
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