1 /* 2 * Copyright (C) 2014 Google Inc. All Rights Reserved. 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.example.android.wearable.speedtracker.common; 18 19 import java.util.Calendar; 20 21 /** 22 * A utility class that is used in both the handset and wearable apps. 23 */ 24 public class Utils { 25 26 /** 27 * Builds a simple hash for a day by concatenating year and day of year together. Note that two 28 * {@link java.util.Calendar} inputs that fall on the same day will be hashed to the same 29 * string. 30 */ 31 public static String getHashedDay(Calendar day) { 32 return day.get(Calendar.YEAR) + "-" + day.get(Calendar.DAY_OF_YEAR); 33 } 34 35 private Utils() { 36 } 37 } 38
