1 /*
2  * Copyright (C) 2015 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 androidx.annotation;
17 
18 import static java.lang.annotation.ElementType.FIELD;
19 import static java.lang.annotation.ElementType.METHOD;
20 import static java.lang.annotation.ElementType.PARAMETER;
21 import static java.lang.annotation.RetentionPolicy.SOURCE;
22 
23 import java.lang.annotation.Documented;
24 import java.lang.annotation.Retention;
25 import java.lang.annotation.Target;
26 
27 /**
28  * Denotes that an integer parameter, field or method return value is expected
29  * to be a transition resource reference.
30  */
31 @Documented
32 @Retention(SOURCE)
33 @Target({METHOD, PARAMETER, FIELD})
34 public @interface TransitionRes {
35 }
36