Changed location criteria to medium accuracy

XE16/Android 4.4 must have changed how this behaves since coarse
accuracy no longer returns location data for less than 500m accuracy.

Author: longzheng

PTVGlass/NearMeActivity.cs

@@ -38,7 +38,7 @@ protected override void OnCreate(Bundle bundle)
 			locationManager = GetSystemService(Context.LocationService) as LocationManager;
 			Criteria locationCriteria = new Criteria()
 			{
-				Accuracy = Accuracy.Coarse, // we only need coarse location accuracy
+				Accuracy = Accuracy.Medium, // we need medium location accuracy
 				AltitudeRequired = false // we're catching the bus, not planes
 			};
 
@@ -160,8 +160,8 @@ public void OnStatusChanged(string provider, Availability status, Bundle extras)
 
 		public void OnLocationChanged(Location location)
 		{
-			// if location is within 500 meter accuracy, we'll accept it
-			if (location.Accuracy < 500)
+			// if location is within 300 meter accuracy, we'll accept it
+			if (location.Accuracy < 300)
 			{
 				locationManager.RemoveUpdates(this); // stop getting location updates to save battery
 				NearbyDepartures(location); // use the last known location to get nearby departures

PTVGlass/Properties/AndroidManifest.xml

@@ -3,6 +3,6 @@
 	<uses-sdk />
 	<application android:label="PTVGlass" android:icon="@drawable/icon"></application>
 	<uses-permission android:name="android.permission.INTERNET" />
-	<uses-permission android:name="android.permission.ACCESS_COARSE_LOCATION" />
 	<uses-permission android:name="com.google.android.glass.permission.DEVELOPMENT" />
+	<uses-permission android:name="android.permission.ACCESS_FINE_LOCATION" />
 </manifest>