1 /*
2  * Copyright 2019 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 package android.view.inspector;
17 
18 import android.annotation.NonNull;
19 import android.annotation.Nullable;
20 
21 /**
22  * An interface for services that can provide inspection companions for a class.
23  */
24 public interface InspectionCompanionProvider {
25     /**
26      * Provide an {@link InspectionCompanion} for the supplied class.
27      *
28      * Implementing classes must not cache companion instances, and should instantiate a new one
29      * for each request.
30      *
31      * @param cls A {@link Class} representing the inspectable type
32      * @param <T> The type to find the companion for
33      * @return The inspection companion for the supplied type
34      */
35     @Nullable
provide(@onNull Class<T> cls)36     <T> InspectionCompanion<T> provide(@NonNull Class<T> cls);
37 }
38