June 2017
Intermediate to advanced
873 pages
18h 9m
English
Content preview from Dart: Scalable Application DevelopmentBecome an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
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The geolocation APIs
A geolocation API is a high-level interface used to locate information. It lets you find out where the user is and keep a track of his/her location when he/she moves. The geolocation API is device-agnostic of the underlying location source and doesn't care how the web browser determines the location. The following are the common sources for the location:
- GPS
- The network IP address
- RFID
- Wi-Fi
- The Bluetooth MAC address
- The GSM/CDMA cell ID
- User inputs
The API represents location by latitude and longitude coordinates.
Note
The geolocation APIs do not guarantee returning the actual location of the device.
The geolocation API has the following classes:
Geolocation: This class is used to determine the location information associated with the ...
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