1 /*
2  * Copyright (C) 2023 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 androidx.core.uwb.backend.impl.internal;
18 
19 import androidx.annotation.IntDef;
20 
21 /** Callback for UWB availability change events. */
22 public interface UwbAvailabilityCallback {
onUwbAvailabilityChanged(boolean isUwbAvailable, int reason)23     void onUwbAvailabilityChanged(boolean isUwbAvailable, int reason);
24 
25     /** Reason why UWB state changed */
26     @IntDef({
27             /* The state has changed because of an unknown reason */
28             REASON_UNKNOWN,
29 
30             /* The state has changed because UWB is turned on/off */
31             REASON_SYSTEM_POLICY,
32 
33             /*
34              * The state has changed either because no country code has been configured or due to
35              *  UWB being
36              * unavailable as a result of regulatory constraints.
37              */
38             REASON_COUNTRY_CODE_ERROR,
39     })
40     @interface UwbStateChangeReason {
41     }
42 
43     int REASON_UNKNOWN = 0;
44     int REASON_SYSTEM_POLICY = 1;
45     int REASON_COUNTRY_CODE_ERROR = 2;
46 }
47 
48