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Adding support for new maps apps

We're always looking to extend the number of apps this library can interact with. Therefore we love pull requests implementing new app URL schemes.

This document describes the steps required to add support for a new maps/directions app to the library.

General guidelines

  • Only submit one new app integration per pull request.

Step by step

1. Add constants

Start by updating src/constants.js.

Start by determining a key that you will use to identify the new app. This should be a lowercase alphanumeric string that might contain dashes, like google-maps.

Then add the URL scheme to the prefixes variable and the app's English title to the title variable.

The URL scheme you add to the prefixes variable will be used to determine if the app exists on the client's device.

2. Add icon

Add a 150x150 pixels icon with that same name to the src/images directory, and then add the appropriate reference to that icon to the icons object in the src/constants.js file.

3. Add logic

In src/index.js you will find the logic to actually open the app. Add the logic for your new app there, and make sure to test it on Android and iOS. Some apps use different URL formats for each platform.

4. Update README

Add the new app to the list at the top of README.md. Also make sure to add any iOS-specific new URL schemes to the LSApplicationQueriesSchemes information just below it.

Thanks!