Here you can find the source of formatDuration(Context context, long millis)
public static CharSequence formatDuration(Context context, long millis)
/*/*w w w . ja va 2 s . co m*/ * This source is part of the * _____ ___ ____ * __ / / _ \/ _ | / __/___ _______ _ * / // / , _/ __ |/ _/_/ _ \/ __/ _ `/ * \___/_/|_/_/ |_/_/ (_)___/_/ \_, / * /___/ * repository. * * Copyright (C) 2013 Benoit 'BoD' Lubek (BoD@JRAF.org) * Copyright (C) 2009 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. */ import java.text.DateFormat; import java.text.ParseException; import java.text.SimpleDateFormat; import java.util.Date; import java.util.HashMap; import java.util.Locale; import java.util.Map; import java.util.TimeZone; import android.content.Context; import android.content.res.Resources; import android.text.format.DateUtils; import org.jraf.android.util.R; public class Main{ /** * Return given duration in a human-friendly format. For example, "4 * minutes" or "1 second". */ public static CharSequence formatDuration(Context context, long millis) { final Resources res = context.getResources(); if (millis >= DateUtils.HOUR_IN_MILLIS) { final int hours = (int) (millis / DateUtils.HOUR_IN_MILLIS); final int minutes = (int) (millis % DateUtils.HOUR_IN_MILLIS / DateUtils.MINUTE_IN_MILLIS); if (minutes == 0) { return res.getQuantityString(R.plurals.duration_hours, hours, hours); } return res.getQuantityString(R.plurals.duration_hours, hours, hours) + " " + res.getQuantityString(R.plurals.duration_minutes, minutes, minutes); } else if (millis >= DateUtils.MINUTE_IN_MILLIS) { final int minutes = (int) ((millis + 30000) / DateUtils.MINUTE_IN_MILLIS); return res.getQuantityString(R.plurals.duration_minutes, minutes, minutes); } else { final int seconds = (int) ((millis + 500) / DateUtils.SECOND_IN_MILLIS); return res.getQuantityString(R.plurals.duration_seconds, seconds, seconds); } } }