Files
OpenTracks/src/main/java/de/dennisguse/opentracks/util/LocationUtils.java
T

58 lines
1.8 KiB
Java

/*
* Copyright 2008 Google Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License"); you may not
* use this file except in compliance with the License. You may obtain a copy of
* the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
* License for the specific language governing permissions and limitations under
* the License.
*/
package de.dennisguse.opentracks.util;
import android.location.Location;
import java.time.Duration;
import java.time.Instant;
import de.dennisguse.opentracks.content.data.TrackPoint;
/**
* Utility class for decimating tracks at a given level of precision.
*
* @author Leif Hendrik Wilden
*/
public class LocationUtils {
private static final String TAG = LocationUtils.class.getSimpleName();
private static final Duration MAX_LOCATION_AGE = Duration.ofMinutes(1);
private LocationUtils() {
}
/**
* Checks if a given location is a valid (i.e. physically possible) location on Earth.
*
* @param location the location to test
* @return true if the location is a valid location.
*/
public static boolean isValidLocation(Location location) {
return location != null
&& Math.abs(location.getLatitude()) <= 90
&& Math.abs(location.getLongitude()) <= 180;
}
public static boolean isTrackPointOld(TrackPoint trackPoint) {
Instant now = Instant.now();
return !(Duration.between(trackPoint.getTime(), now)
.minus(MAX_LOCATION_AGE)
.isNegative());
}
}