1 /* 2 * Copyright (C) 2009 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.settings.fuelgauge; 18 19 import android.content.Context; 20 21 import com.android.settings.R; 22 23 /** 24 * Contains utility functions for formatting elapsed time and consumed bytes 25 */ 26 public class Utils { 27 private static final int SECONDS_PER_MINUTE = 60; 28 private static final int SECONDS_PER_HOUR = 60 * 60; 29 private static final int SECONDS_PER_DAY = 24 * 60 * 60; 30 31 /** 32 * Returns elapsed time for the given millis, in the following format: 33 * 2d 5h 40m 29s 34 * @param context the application context 35 * @param millis the elapsed time in milli seconds 36 * @return the formatted elapsed time 37 */ 38 public static String formatElapsedTime(Context context, double millis, boolean inclSeconds) { 39 StringBuilder sb = new StringBuilder(); 40 int seconds = (int) Math.floor(millis / 1000); 41 if (!inclSeconds) { 42 // Round up. 43 seconds += 30; 44 } 45 46 int days = 0, hours = 0, minutes = 0; 47 if (seconds > SECONDS_PER_DAY) { 48 days = seconds / SECONDS_PER_DAY; 49 seconds -= days * SECONDS_PER_DAY; 50 } 51 if (seconds > SECONDS_PER_HOUR) { 52 hours = seconds / SECONDS_PER_HOUR; 53 seconds -= hours * SECONDS_PER_HOUR; 54 } 55 if (seconds > SECONDS_PER_MINUTE) { 56 minutes = seconds / SECONDS_PER_MINUTE; 57 seconds -= minutes * SECONDS_PER_MINUTE; 58 } 59 if (inclSeconds) { 60 if (days > 0) { 61 sb.append(context.getString(R.string.battery_history_days, 62 days, hours, minutes, seconds)); 63 } else if (hours > 0) { 64 sb.append(context.getString(R.string.battery_history_hours, 65 hours, minutes, seconds)); 66 } else if (minutes > 0) { 67 sb.append(context.getString(R.string.battery_history_minutes, minutes, seconds)); 68 } else { 69 sb.append(context.getString(R.string.battery_history_seconds, seconds)); 70 } 71 } else { 72 if (days > 0) { 73 sb.append(context.getString(R.string.battery_history_days_no_seconds, 74 days, hours, minutes)); 75 } else if (hours > 0) { 76 sb.append(context.getString(R.string.battery_history_hours_no_seconds, 77 hours, minutes)); 78 } else { 79 sb.append(context.getString(R.string.battery_history_minutes_no_seconds, minutes)); 80 } 81 } 82 return sb.toString(); 83 } 84 } 85
