Speech recognition is handled entirely by the framework. This is far faster and more natural than typing.Įnabling this functionality is as simple as adding a RemoteInput instance to your conversation objects, before you issue the notification. Users reply to messages by speaking, via voice recognition. Voice control is the real magic of Android Auto. That’s one of just two intents you’ll need to handle to enable your app for Auto. In order to know when the user hears a message, you provide a PendingIntent that’s triggered by the system. This is handled automatically by the framework no additional code is required. Tapping on a message notification plays it back on the car's sound system, via text to speech. Pass your conversation object to the CarExtender, and you’re done! Tap to hear messages Next, use the UnreadConversation.Builder to create a conversation, and populate it by iterating over your app's unread messages (from a certain sender) and adding them to the conversation. This is simply a collection of unread messages from a particular sender.ĭecorate your notification with the CarExtender to add support for the car. Second, message notifications are backed by a conversation object. On Auto, a preview of the message content isn’t shown, because messaging is driven entirely by voice. There are a couple small differences between message notifications on Auto vs. It takes just a few lines of code, and you won’t have to change how your app works on the phone. If your app already uses notifications to alert the user to incoming messages, it’ll be easy to extend these for Auto. To learn more about how this works, watch the Introduction to Android Auto DevByte. Your app runs on the phone, but is controlled by the car. When an Android 5.0+ phone is connected to a compatible car, users receive incoming message notifications from Auto-enabled apps on the car’s head unit display. Message notifications on the car’s display Read on for a look at the key steps involved. Check out this DevByte for an overview of the messaging APIs, and see the developer training guide for a deep dive. Developers like Skype and textPlus have already done so. It eliminates the need to type and read messages by replacing these activities with a voice controlled interface.Įnabling your messaging app to work with Android Auto is easy. What if there was a way for drivers to stay connected using your messaging app, while keeping their hands on the wheel and eyes on the road?Īndroid Auto helps drivers stay connected, but in a more convenient way that's integrated with the car. Posted by Joshua Gordon, Developer Advocate
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