1 /*
2  * Copyright 2017 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 android.app.servertransaction;
18 
19 import android.annotation.IntDef;
20 import android.annotation.NonNull;
21 import android.os.Parcel;
22 
23 import java.lang.annotation.Retention;
24 import java.lang.annotation.RetentionPolicy;
25 
26 /**
27  * Request for lifecycle state that an activity should reach.
28  * @hide
29  */
30 public abstract class ActivityLifecycleItem extends ActivityTransactionItem {
31 
32     @IntDef(prefix = { "UNDEFINED", "PRE_", "ON_" }, value = {
33             UNDEFINED,
34             PRE_ON_CREATE,
35             ON_CREATE,
36             ON_START,
37             ON_RESUME,
38             ON_PAUSE,
39             ON_STOP,
40             ON_DESTROY,
41             ON_RESTART
42     })
43     @Retention(RetentionPolicy.SOURCE)
44     public @interface LifecycleState{}
45     public static final int UNDEFINED = -1;
46     public static final int PRE_ON_CREATE = 0;
47     public static final int ON_CREATE = 1;
48     public static final int ON_START = 2;
49     public static final int ON_RESUME = 3;
50     public static final int ON_PAUSE = 4;
51     public static final int ON_STOP = 5;
52     public static final int ON_DESTROY = 6;
53     public static final int ON_RESTART = 7;
54 
ActivityLifecycleItem()55     ActivityLifecycleItem() {}
56 
ActivityLifecycleItem(@onNull Parcel in)57     ActivityLifecycleItem(@NonNull Parcel in) {
58         super(in);
59     }
60 
61     @Override
isActivityLifecycleItem()62     public boolean isActivityLifecycleItem() {
63         return true;
64     }
65 
66     /** A final lifecycle state that an activity should reach. */
67     @LifecycleState
getTargetState()68     public abstract int getTargetState();
69 }
70