/*
* Returns the last known location of the device using its GPS and network location providers.
* May be null if:
* - Location permissions are not requested in the Android manifest file
* - The location providers don't exist
* - Location awareness is disabled in the parent MoPubView
*/
private Location getLastKnownLocation() {
LocationAwareness locationAwareness = mMoPubView.getLocationAwareness();
int locationPrecision = mMoPubView.getLocationPrecision();
Location result = null;
if (locationAwareness == LocationAwareness.LOCATION_AWARENESS_DISABLED) {
return null;
}
LocationManager lm = (LocationManager) getContext().getSystemService(Context.LOCATION_SERVICE);
Location gpsLocation = null;
try {
gpsLocation = lm.getLastKnownLocation(LocationManager.GPS_PROVIDER);
} catch (SecurityException e) {
Log.d("MoPub", "Failed to retrieve GPS location: access appears to be disabled.");
} catch (IllegalArgumentException e) {
Log.d("MoPub", "Failed to retrieve GPS location: device has no GPS provider.");
}
Location networkLocation = null;
try {
networkLocation = lm.getLastKnownLocation(LocationManager.NETWORK_PROVIDER);
} catch (SecurityException e) {
Log.d("MoPub", "Failed to retrieve network location: access appears to be disabled.");
} catch (IllegalArgumentException e) {
Log.d("MoPub", "Failed to retrieve network location: device has no network provider.");
}
if (gpsLocation == null && networkLocation == null) {
return null;
} else if (gpsLocation != null && networkLocation != null) {
if (gpsLocation.getTime() > networkLocation.getTime()) result = gpsLocation;
else result = networkLocation;
} else if (gpsLocation != null) result = gpsLocation;
else result = networkLocation;
// Truncate latitude/longitude to the number of digits specified by locationPrecision.
if (locationAwareness == LocationAwareness.LOCATION_AWARENESS_TRUNCATED) {
double lat = result.getLatitude();
double truncatedLat =
BigDecimal.valueOf(lat)
.setScale(locationPrecision, BigDecimal.ROUND_HALF_DOWN)
.doubleValue();
result.setLatitude(truncatedLat);
double lon = result.getLongitude();
double truncatedLon =
BigDecimal.valueOf(lon)
.setScale(locationPrecision, BigDecimal.ROUND_HALF_DOWN)
.doubleValue();
result.setLongitude(truncatedLon);
}
return result;
}
