checkAPIKeyValidity

Check if the given MapsIndoors API Key is valid

Note that the SDK doesn't need to be initialized in order to call this method

Possible callback error values:

• null if the given api key is valid
• INVALID_API_KEY if the given key does not exists, expired or has invalid formatting
• NETWORK_ERROR if there was a network related issue when this method was invoked - The validity of the key is undetermined

Parameters