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Commit 23f7206d authored by Zhen Zhang's avatar Zhen Zhang
Browse files

Create component used metrics in UsageStats 

Created a new metrics called mLastTimeComponentUsed in UsageStats.
It is persisted and loaded as other metrics.

Bug: 175829712
Test: core/tests/coretests/src/android/app/usage/UsageStatsTest
Test: cts/UsageStatsTest
Test: UsageStatsDatabaseTest
Test: UsageStatsServiceTest
Test: UsageStatsPersistenceTest
Change-Id: I10cf5c40cf5955246a6a04e96ac0352b4ed29acd
parent e3e90bd0

core/api/system-current.txt

+1 −0
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@@ -1795,6 +1795,7 @@ package android.app.usage { 














  public final class UsageStats implements android.os.Parcelable {















    method public int getAppLaunchCount();













    method public long getLastTimeComponentUsed();















  }





























  public final class UsageStatsManager {

































core/java/android/app/usage/UsageStats.java



+25
−0




























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@@ -20,6 +20,7 @@ import static android.app.usage.UsageEvents.Event.ACTIVITY_DESTROYED;













import static android.app.usage.UsageEvents.Event.ACTIVITY_PAUSED;















import static android.app.usage.UsageEvents.Event.ACTIVITY_RESUMED;















import static android.app.usage.UsageEvents.Event.ACTIVITY_STOPPED;













import static android.app.usage.UsageEvents.Event.APP_COMPONENT_USED;















import static android.app.usage.UsageEvents.Event.CONTINUING_FOREGROUND_SERVICE;















import static android.app.usage.UsageEvents.Event.DEVICE_SHUTDOWN;















import static android.app.usage.UsageEvents.Event.END_OF_DAY;










@@ -108,6 +109,13 @@ public final class UsageStats implements Parcelable {













     */















    public long mTotalTimeForegroundServiceUsed;





























    /**













     * Last time this package's component is used, measured in milliseconds since the epoch.













     * See {@link UsageEvents.Event#APP_COMPONENT_USED}













     * @hide













     */













    public long mLastTimeComponentUsed;





























    /**















     * {@hide}















     */










@@ -166,6 +174,7 @@ public final class UsageStats implements Parcelable {













        mEndTimeStamp = stats.mEndTimeStamp;















        mLastTimeUsed = stats.mLastTimeUsed;















        mLastTimeVisible = stats.mLastTimeVisible;













        mLastTimeComponentUsed = stats.mLastTimeComponentUsed;















        mLastTimeForegroundServiceUsed = stats.mLastTimeForegroundServiceUsed;















        mTotalTimeInForeground = stats.mTotalTimeInForeground;















        mTotalTimeVisible = stats.mTotalTimeVisible;










@@ -264,6 +273,16 @@ public final class UsageStats implements Parcelable {













        return mTotalTimeForegroundServiceUsed;















    }





























    /**













     * Get the last time this package's component was used, measured in milliseconds since the













     * epoch.













     * @hide













     */













    @SystemApi













    public long getLastTimeComponentUsed() {













        return mLastTimeComponentUsed;













    }





























    /**















     * Returns the number of times the app was launched as an activity from outside of the app.















     * Excludes intra-app activity transitions.










@@ -323,6 +342,7 @@ public final class UsageStats implements Parcelable {













            mergeEventMap(mForegroundServices, right.mForegroundServices);















            mLastTimeUsed = Math.max(mLastTimeUsed, right.mLastTimeUsed);















            mLastTimeVisible = Math.max(mLastTimeVisible, right.mLastTimeVisible);













            mLastTimeComponentUsed = Math.max(mLastTimeComponentUsed, right.mLastTimeComponentUsed);















            mLastTimeForegroundServiceUsed = Math.max(mLastTimeForegroundServiceUsed,















                    right.mLastTimeForegroundServiceUsed);















        }










@@ -598,6 +618,9 @@ public final class UsageStats implements Parcelable {













                    mLastTimeVisible = timeStamp;















                }















                break;













            case APP_COMPONENT_USED:













                mLastTimeComponentUsed = timeStamp;













                break;















            default:















                break;















        }









@@ -620,6 +643,7 @@ public final class UsageStats implements Parcelable {













        dest.writeLong(mEndTimeStamp);















        dest.writeLong(mLastTimeUsed);















        dest.writeLong(mLastTimeVisible);













        dest.writeLong(mLastTimeComponentUsed);















        dest.writeLong(mLastTimeForegroundServiceUsed);















        dest.writeLong(mTotalTimeInForeground);















        dest.writeLong(mTotalTimeVisible);










@@ -674,6 +698,7 @@ public final class UsageStats implements Parcelable {













            stats.mEndTimeStamp = in.readLong();















            stats.mLastTimeUsed = in.readLong();















            stats.mLastTimeVisible = in.readLong();













            stats.mLastTimeComponentUsed = in.readLong();















            stats.mLastTimeForegroundServiceUsed = in.readLong();















            stats.mTotalTimeInForeground = in.readLong();















            stats.mTotalTimeVisible = in.readLong();

































core/proto/android/server/usagestatsservice.proto



+2
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@@ -57,6 +57,8 @@ message IntervalStatsProto {













    // Time attributes stored as an offset of the IntervalStats's beginTime.















    optional int64 last_time_visible_ms = 10;















    optional int64 total_time_visible_ms = 11;













    // Time attributes stored as an offset of the IntervalStats's beginTime.













    optional int64 last_time_component_used_ms = 12;















  }































  // Stores the relevant information an IntervalStats will have about a Configuration

































core/proto/android/server/usagestatsservice_v2.proto



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@@ -81,6 +81,7 @@ message UsageStatsObfuscatedProto {













  optional int64 total_time_service_used_ms = 9;















  optional int64 last_time_visible_ms = 10;















  optional int64 total_time_visible_ms = 11;













  optional int64 last_time_component_used_ms = 12;















}































/**

































core/tests/coretests/src/android/app/usage/UsageStatsPersistenceTest.java



+2
−1




























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@@ -46,7 +46,8 @@ public class UsageStatsPersistenceTest {













    private static final String[] USAGESTATS_PERSISTED_FIELDS = {"mBeginTimeStamp", "mEndTimeStamp",















            "mPackageName", "mPackageToken", "mLastEvent", "mAppLaunchCount", "mChooserCounts",















            "mLastTimeUsed", "mTotalTimeInForeground", "mLastTimeForegroundServiceUsed",













            "mTotalTimeForegroundServiceUsed", "mLastTimeVisible", "mTotalTimeVisible"};













            "mTotalTimeForegroundServiceUsed", "mLastTimeVisible", "mTotalTimeVisible",













            "mLastTimeComponentUsed"};















    // All fields in this list are defined in UsageStats but not persisted















    private static final String[] USAGESTATS_IGNORED_FIELDS = {"CREATOR", "mActivities",















            "mForegroundServices", "mLaunchCount", "mChooserCountsObfuscated"};