1/*
2 * Copyright (C) 2018 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 */
16package android.annotation;
17
18import static java.lang.annotation.ElementType.CONSTRUCTOR;
19import static java.lang.annotation.ElementType.FIELD;
20import static java.lang.annotation.ElementType.METHOD;
21import static java.lang.annotation.ElementType.TYPE;
22import static java.lang.annotation.RetentionPolicy.SOURCE;
23
24import android.content.pm.PackageManager;
25
26import java.lang.annotation.Retention;
27import java.lang.annotation.Target;
28
29/**
30 * Denotes that the annotated element requires one or more device features. This
31 * is used to auto-generate documentation.
32 *
33 * @see PackageManager#hasSystemFeature(String)
34 * @hide
35 */
36@Retention(SOURCE)
37@Target({TYPE,FIELD,METHOD,CONSTRUCTOR})
38public @interface RequiresFeature {
39    /**
40     * The name of the device feature that is required.
41     *
42     * @see PackageManager#hasSystemFeature(String)
43     */
44    String value();
45}
46