Location Services and Bing Maps in Windows Phone 7

Location Services and Bing Maps in WP7

Overview

Location in WP7
Uses
Geo-tagging (tweets, pictures)
Discovering services nearby
Sharing location with friends

GeoCoordinateWatcher
Does EVERYTHING
Gets location (altitude, lat / long)
Gets course and speed
Can control what mechanisms it uses to grab location

GeoCoordinateWatcher (Code)

DEMO
GeoCoordinateWatcher Demo
https://github.com/Aaronontheweb/wp7-location-services-demo

Gotchas
PositionChanged event never fires in the emulator
This is changing in Mango
No background tracking yet
Coming in Mango
GeoPositionAccuracy.High DESTROYS battery life
Meant for real-time geotracking
Use GeoPositionAccuracy.Default to conserve power

Bing Maps
You don't have to code anything
Includes default templates for everything
Get a free developer key from http://www.bingmapsportal.com/

Bing Maps (Code)

DEMO
Bing Maps Demo
https://github.com/Aaronontheweb/wp7-maps-demo

Marketplace / Metro UI / Privacy Guidelines
Privacy is a big concern..
User needs to be able to control how their data is used
All location-data must be opt-in
App is tested for privacy policy compliance in marketplace

What Developers Need to Do
Provide Yes / No prompt to users giving Geolocation consent upon first application run
Provide settings page where user can change settings at any time

Futures
Geolocation Emulator
Real Background Tasks
View the sessions online at Channel 9

Thanks!
Follow me at
aaron@aaronstannard.com
@Aaronontheweb
http://www.aaronstannard.com/
Source
Location Services: https://github.com/Aaronontheweb/wp7-location-services-demo
Bing Maps: https://github.com/Aaronontheweb/wp7-maps-demo

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Location Services and Bing Maps in Windows Phone 7

by Aaron Stannard on Apr 25, 2011

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