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react-native-android-auto

A react native module (+ a react renderer) to control android auto app UI from JavaScript and with React code. (and of cource independently of MainActivity!)

Android Auto Preview

Getting started

$ npm install react-native-android-auto --save

Mostly automatic installation

In order to display the app launcher in the car display:

Launcher

You need to add the following lines to your app's AndroidManifest.xml under <application>:

<meta-data
    android:name="com.google.android.gms.car.application"
    android:resource="@xml/automotive_app_desc" />

<service
    android:name="com.shopify.rnandroidauto.CarService"
    android:exported="true">
    <intent-filter>
    <action android:name="com.google.android.car.action.CAR_APP" />
    </intent-filter>
</service>

And create a new file: android/app/src/main/res/xml/automotive_app_desc.xml with the following contents:

<?xml version="1.0" encoding="utf-8"?>

<automotiveApp>
  <uses name="template" />
</automotiveApp>

Usage

import { Screen, ScreenManager } from "react-native-android-auto";

In order to start your app's android auto screen, you need to register a root component it via AppRegistery:

import React from "react";
import { AppRegistry } from "react-native";

import { render } from "./src/car/android-auto/module/AndroidAutoReconciler";

// RootApp -> The component

AppRegistry.registerRunnable("androidAuto", () => {
  render(React.createElement(RootApp));
});

The root component must eventually render a ScreenManager with at least one Screen. Just note that the ScreenManager doesn't need to be an immediate child of root component.

export function RootApp() {
  return (
    <ScreenManager>
      <Screen name="root" render={Main} />
      <Screen name="deliveryList" render={DeliveryListScreen} />
      <Screen name="deliveryDetails" render={DeliveryDetails} />
    </ScreenManager>
  );
}

A Screen with name="root" is required to start the app, otherwise the app will be stuck in an infinite loading state.

The react renderer comes with a bunch of native elements specific to Android Auto.

Example screen code

import { useCarNavigation } from "react-native-android-auto";

export function Main() {
  const shop = useShop();
  const navigation = useCarNavigation();
  const { loading, data } = useQuery(deliveryListsQuery);

  return (
    <list-template
      title={shop.name ?? "Shopify Local Delivery"}
      isLoading={loading || !data}
    >
      <item-list header="Delivery Lists">
        {data.deliveryListEdges.slice(0, 5).map(({ node }) => (
          <row
            key={node.id}
            title={node.description}
            texts={[node.name]}
            onPress={() => {
              navigation.push("deliveryList", {
                deliveryList: node,
              });
            }}
          />
        ))}
      </item-list>
    </list-template>
  );
}

Example screen

JSX Tags

Templates

A Screen's given render component's immediate child must be a template element. Currently, pane-template, list-template, and place-list-map-template are supported.

pane-template

Prop Type Description
title string The title of the screen shown at the top left
headerAction HeaderAction
actionStrip ActionStrip
children ReactNode[] only accepts instances of <row /> and <action /> as child

list-template

Prop Type Description
title string The title of the screen shown at the top left
headerAction HeaderAction
actionStrip ActionStrip
isLoading boolean Whether to ignore displaying children and show a spinner instead
children ReactNode[] only accepts instances of <item-list /> as child

place-list-map-template

Prop Type Description
title string The title of the screen shown at the top left
headerAction HeaderAction
actionStrip ActionStrip
isLoading boolean Whether to ignore displaying children and show a spinner instead
children ReactNode[] only accepts instances of <row /> as child

Other tags

row

Prop Type Description
title string Title of the row
texts? string[] You can specify multiple lines of texts to be displayed under the row title
onPress? (event: {}) => any A callback function invoked when user touches the row on the car display
metadata? Metadata

action

Prop Type Description
title string Title of the row
texts? string[] You can specify multiple lines of texts to be displayed under the row title
onPress? (event: {}) => any A callback function invoked when user touches the row on the car display
backgroundColor? CarColor

item-list

Prop Type Description
header string Title of the row
children ReactNode[] only accepts instances of <row /> as child

Want to contribute?

Check out our Contributing Guide

License

MIT © Shopify, see LICENSE.md for details.

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