| /* |
| * Copyright (C) 2020 The Android Open Source Project |
| * |
| * 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 com.android.server.location; |
| |
| import android.location.Location; |
| import android.location.LocationResult; |
| import android.os.SystemClock; |
| |
| import java.util.Arrays; |
| import java.util.Random; |
| |
| public final class LocationUtils { |
| |
| private static final double MIN_LATITUDE = -90D; |
| private static final double MAX_LATITUDE = 90D; |
| private static final double MIN_LONGITUDE = -180D; |
| private static final double MAX_LONGITUDE = 180D; |
| |
| private static final float MIN_ACCURACY = 1; |
| private static final float MAX_ACCURACY = 100; |
| |
| public static Location createLocation(String provider, Random random) { |
| return createLocation(provider, |
| MIN_LATITUDE + random.nextDouble() * (MAX_LATITUDE - MIN_LATITUDE), |
| MIN_LONGITUDE + random.nextDouble() * (MAX_LONGITUDE - MIN_LONGITUDE), |
| MIN_ACCURACY + random.nextFloat() * (MAX_ACCURACY - MIN_ACCURACY)); |
| } |
| |
| public static LocationResult createLocationResult(String provider, Random random) { |
| return LocationResult.wrap(createLocation(provider, random)); |
| } |
| |
| public static LocationResult createLocationResult(String provider, Random random, |
| int numLocations) { |
| Location[] locations = new Location[numLocations]; |
| for (int i = 0; i < numLocations; i++) { |
| locations[i] = createLocation(provider, random); |
| } |
| return LocationResult.create(Arrays.asList(locations)); |
| } |
| |
| public static Location createLocation(String provider, double latitude, double longitude, |
| float accuracy) { |
| Location location = new Location(provider); |
| location.setLatitude(latitude); |
| location.setLongitude(longitude); |
| location.setAccuracy(accuracy); |
| location.setTime(System.currentTimeMillis()); |
| location.setElapsedRealtimeNanos(SystemClock.elapsedRealtimeNanos()); |
| return location; |
| } |
| |
| public static LocationResult createLocationResult(String provider, double latitude, |
| double longitude, float accuracy) { |
| return LocationResult.wrap(createLocation(provider, latitude, longitude, accuracy)); |
| } |
| } |