1 /* 2 * Copyright (C) 2014 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 package com.android.camera.util; 18 19 import android.location.Location; 20 21 import com.android.camera.exif.ExifInterface; 22 23 /** 24 * Exif utility functions. 25 */ 26 public class ExifUtil { 27 28 /** 29 * Adds the given location to the given exif. 30 * 31 * @param exif The exif to add the location tag to. 32 * @param location The location to add. 33 */ addLocationToExif(ExifInterface exif, Location location)34 public static void addLocationToExif(ExifInterface exif, Location location) { 35 exif.addGpsTags(location.getLatitude(), location.getLongitude()); 36 exif.addGpsDateTimeStampTag(location.getTime()); 37 38 double altitude = location.getAltitude(); 39 if (altitude == 0) { 40 return; 41 } 42 short altitudeRef = altitude < 0 ? ExifInterface.GpsAltitudeRef.SEA_LEVEL_NEGATIVE 43 : ExifInterface.GpsAltitudeRef.SEA_LEVEL; 44 exif.setTag(exif.buildTag(ExifInterface.TAG_GPS_ALTITUDE_REF, altitudeRef)); 45 } 46 } 47