1 /*
2  * Copyright (C) 2024 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.systemui.common.usagestats.shared.model
18 
19 import android.annotation.CurrentTimeMillisLong
20 import android.app.Activity
21 import com.android.systemui.util.time.SystemClock
22 
23 /** Represents [Activity] lifecycle events. */
24 data class ActivityEventModel(
25     /** Uniquely identifies an activity. */
26     val instanceId: Int,
27     /** The package name of the source of this event. */
28     val packageName: String,
29     /** The lifecycle change which this event represents. */
30     val lifecycle: Lifecycle,
31     /** The timestamp of the event. Defined in unix time, see [SystemClock.currentTimeMillis] */
32     @CurrentTimeMillisLong val timestamp: Long,
33 ) {
34     enum class Lifecycle {
35         UNKNOWN,
36         RESUMED,
37         PAUSED,
38         STOPPED,
39         DESTROYED
40     }
41 }
42