| /** |
| * 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.os.Parcel; |
| import android.os.Parcelable; |
| |
| /** |
| * Contains usage statistics for an app package for a specific |
| * time range. |
| */ |
| public final class UsageStats implements Parcelable { |
| |
| /** |
| * {@hide} |
| */ |
| public String mPackageName; |
| |
| /** |
| * {@hide} |
| */ |
| public long mBeginTimeStamp; |
| |
| /** |
| * {@hide} |
| */ |
| public long mEndTimeStamp; |
| |
| /** |
| * Last time used by the user with an explicit action (notification, activity launch). |
| * {@hide} |
| */ |
| public long mLastTimeUsed; |
| |
| /** |
| * {@hide} |
| */ |
| public long mTotalTimeInForeground; |
| |
| /** |
| * {@hide} |
| */ |
| public int mLaunchCount; |
| |
| /** |
| * {@hide} |
| */ |
| public int mLastEvent; |
| |
| /** |
| * {@hide} |
| */ |
| public UsageStats() { |
| } |
| |
| public UsageStats(UsageStats stats) { |
| mPackageName = stats.mPackageName; |
| mBeginTimeStamp = stats.mBeginTimeStamp; |
| mEndTimeStamp = stats.mEndTimeStamp; |
| mLastTimeUsed = stats.mLastTimeUsed; |
| mTotalTimeInForeground = stats.mTotalTimeInForeground; |
| mLaunchCount = stats.mLaunchCount; |
| mLastEvent = stats.mLastEvent; |
| } |
| |
| public String getPackageName() { |
| return mPackageName; |
| } |
| |
| /** |
| * Get the beginning of the time range this {@link android.app.usage.UsageStats} represents, |
| * measured in milliseconds since the epoch. |
| * <p/> |
| * See {@link System#currentTimeMillis()}. |
| */ |
| public long getFirstTimeStamp() { |
| return mBeginTimeStamp; |
| } |
| |
| /** |
| * Get the end of the time range this {@link android.app.usage.UsageStats} represents, |
| * measured in milliseconds since the epoch. |
| * <p/> |
| * See {@link System#currentTimeMillis()}. |
| */ |
| public long getLastTimeStamp() { |
| return mEndTimeStamp; |
| } |
| |
| /** |
| * Get the last time this package was used, measured in milliseconds since the epoch. |
| * <p/> |
| * See {@link System#currentTimeMillis()}. |
| */ |
| public long getLastTimeUsed() { |
| return mLastTimeUsed; |
| } |
| |
| /** |
| * Get the total time this package spent in the foreground, measured in milliseconds. |
| */ |
| public long getTotalTimeInForeground() { |
| return mTotalTimeInForeground; |
| } |
| |
| /** |
| * Add the statistics from the right {@link UsageStats} to the left. The package name for |
| * both {@link UsageStats} objects must be the same. |
| * @param right The {@link UsageStats} object to merge into this one. |
| * @throws java.lang.IllegalArgumentException if the package names of the two |
| * {@link UsageStats} objects are different. |
| */ |
| public void add(UsageStats right) { |
| if (!mPackageName.equals(right.mPackageName)) { |
| throw new IllegalArgumentException("Can't merge UsageStats for package '" + |
| mPackageName + "' with UsageStats for package '" + right.mPackageName + "'."); |
| } |
| |
| if (right.mBeginTimeStamp > mBeginTimeStamp) { |
| // The incoming UsageStat begins after this one, so use its last time used fields |
| // as the source of truth. |
| // We use the mBeginTimeStamp due to a bug where UsageStats files can overlap with |
| // regards to their mEndTimeStamp. |
| mLastEvent = right.mLastEvent; |
| mLastTimeUsed = right.mLastTimeUsed; |
| } |
| mBeginTimeStamp = Math.min(mBeginTimeStamp, right.mBeginTimeStamp); |
| mEndTimeStamp = Math.max(mEndTimeStamp, right.mEndTimeStamp); |
| mTotalTimeInForeground += right.mTotalTimeInForeground; |
| mLaunchCount += right.mLaunchCount; |
| } |
| |
| @Override |
| public int describeContents() { |
| return 0; |
| } |
| |
| @Override |
| public void writeToParcel(Parcel dest, int flags) { |
| dest.writeString(mPackageName); |
| dest.writeLong(mBeginTimeStamp); |
| dest.writeLong(mEndTimeStamp); |
| dest.writeLong(mLastTimeUsed); |
| dest.writeLong(mTotalTimeInForeground); |
| dest.writeInt(mLaunchCount); |
| dest.writeInt(mLastEvent); |
| } |
| |
| public static final Creator<UsageStats> CREATOR = new Creator<UsageStats>() { |
| @Override |
| public UsageStats createFromParcel(Parcel in) { |
| UsageStats stats = new UsageStats(); |
| stats.mPackageName = in.readString(); |
| stats.mBeginTimeStamp = in.readLong(); |
| stats.mEndTimeStamp = in.readLong(); |
| stats.mLastTimeUsed = in.readLong(); |
| stats.mTotalTimeInForeground = in.readLong(); |
| stats.mLaunchCount = in.readInt(); |
| stats.mLastEvent = in.readInt(); |
| return stats; |
| } |
| |
| @Override |
| public UsageStats[] newArray(int size) { |
| return new UsageStats[size]; |
| } |
| }; |
| } |