1 /*
2  * Copyright 2020 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.uwb;
18 
19 /**
20  * @hide
21  */
22 @Backing(type="int")
23 enum StateChangeReason {
24   /**
25    * The state changed for an unknown reason
26    */
27   UNKNOWN,
28 
29   /**
30    * The adapter state changed because a session started.
31    */
32   SESSION_STARTED,
33 
34 
35   /**
36    * The adapter state changed because all sessions were closed.
37    */
38   ALL_SESSIONS_CLOSED,
39 
40   /**
41    * The adapter state changed because of a device system change.
42    */
43   SYSTEM_POLICY,
44 
45   /**
46    * Used to signal the first adapter state message after boot
47    */
48    SYSTEM_BOOT,
49 
50   /**
51    * The adapter state changed because of a system regulation.
52    */
53   SYSTEM_REGULATION,
54 }
55 
56