/**
 * Copyright (C) 2014 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 android.app.usage;

import android.content.Context;
import android.content.pm.ParceledListSlice;
import android.os.RemoteException;
import android.util.ArrayMap;

import java.util.Collections;
import java.util.List;
import java.util.Map;

/**
 * Provides access to device usage history and statistics. Usage data is aggregated into
 * time intervals: days, weeks, months, and years.
 * <p />
 * When requesting usage data since a particular time, the request might look something like this:
 * <pre>
 * PAST                   REQUEST_TIME                    TODAY                   FUTURE
 * â