Get a list of the available contexts.

Used by Appium when testing hybrid mobile web apps. More info here: https://github.com/appium/appium/blob/master/docs/en/advanced-concepts/hybrid.md.

Usage:

Parameters:

Name Type description
callback function

Callback function to be called when the command finishes.

Returns:

Type description
Array an array of strings representing available contexts, e.g 'WEBVIEW', or 'NATIVE'