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Nick Tatt is founder of Map My Tracks, a tool which enables you to track, analyse and share outdoor activities. In his talk "A brief history of mobile phones" Nick's outlined the journey from location-aware handsets to how GPS is used in mobiles by end-users, developers and by corporations.
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A BRIEF HISTORY OF GPSUSE IN SMART PHONES
1980
s
1996
Nokia
638
1996
Nokia
2160
1998
Nokia
5160
2006
Nokia
6070
Location aware"Bluetooth"GPS
2007
Nokia
N73
Location aware"Bluetooth"GPS
2007THE DAWN OF MOBILE GPS
2007
Nokia
N95
Location aware"Bluetooth"GPS
2007
iPho
ne
2007
HTC Dream
Location aware"Bluetooth"GPS
2014
iPho
ne 6
2014
Nexus
6
SO HOW IS GPS USED IN PHONES?
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public void startUpdating(){ LocationManager locationManager = (LocationManager) getSystemService(Context.LOCATION_SERVICE); try{ Criteria high_accuracy_critera = new Criteria(); high_accuracy_critera.setAccuracy(Criteria.ACCURACY_FINE); high_accuracy_critera.setAltitudeRequired(false); high_accuracy_critera.setBearingRequired(false); high_accuracy_critera.setSpeedRequired(false); high_accuracy_critera.setCostAllowed(true); high_accuracy_critera.setPowerRequirement(Criteria.POWER_HIGH); LocationProvider high = locationManager.getProvider(locationManager.getBestProvider(high_accuracy_critera, true)); high_name = high.getName(); " Criteria low_accuracy_critera = new Criteria(); low_accuracy_critera.setAccuracy(Criteria.ACCURACY_COARSE); low_accuracy_critera.setAltitudeRequired(false); low_accuracy_critera.setBearingRequired(false); low_accuracy_critera.setSpeedRequired(false); low_accuracy_critera.setCostAllowed(true); low_accuracy_critera.setPowerRequirement(Criteria.POWER_HIGH); LocationProvider low = locationManager.getProvider(locationManager.getBestProvider(low_accuracy_critera, true)); low_name = low.getName(); } catch(Exception e){ high_name = "gps"; low_name = "network"; } " locationManager.requestLocationUpdates(low_name, 0, 0, this); locationManager.requestLocationUpdates(high_name, 0, 0, this); }
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App permissions
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Map My Tracks – activity tracking
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Twitter – geotagged tweets during World Cup
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Google location tracking
AND, WHAT OF THE FUTURE?
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Accuracy down to sub-10cm "Reduction in power consumption
