1/*
2 * Copyright (C) 2008 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
17package android.annotation;
18
19import java.lang.annotation.Target;
20import java.lang.annotation.ElementType;
21import java.lang.annotation.Retention;
22import java.lang.annotation.RetentionPolicy;
23
24/**
25 * Indicates a class is a widget usable by application developers to create UI.
26 * <p>
27 * This must be used in cases where:
28 * <ul>
29 * <li>The widget is not in the package <code>android.widget</code></li>
30 * <li>The widget extends <code>android.view.ViewGroup</code></li>
31 * </ul>
32 * @hide
33 */
34@Target({ ElementType.TYPE })
35@Retention(RetentionPolicy.SOURCE)
36public @interface Widget {
37}
38