| /* |
| * Copyright (C) 2013 The Android Open Source Project |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| package android.annotation; |
| |
| import java.lang.annotation.Retention; |
| import java.lang.annotation.Target; |
| |
| import static java.lang.annotation.ElementType.ANNOTATION_TYPE; |
| import static java.lang.annotation.ElementType.FIELD; |
| import static java.lang.annotation.ElementType.METHOD; |
| import static java.lang.annotation.ElementType.PARAMETER; |
| import static java.lang.annotation.RetentionPolicy.CLASS; |
| import static java.lang.annotation.RetentionPolicy.SOURCE; |
| |
| /** |
| * Denotes that the annotated String element, represents a logical |
| * type and that its value should be one of the explicitly named constants. |
| * <p> |
| * Example: |
| * <pre>{@code |
| * @Retention(SOURCE) |
| * @StringDef({ |
| * POWER_SERVICE, |
| * WINDOW_SERVICE, |
| * LAYOUT_INFLATER_SERVICE |
| * }) |
| * public @interface ServiceName {} |
| * public static final String POWER_SERVICE = "power"; |
| * public static final String WINDOW_SERVICE = "window"; |
| * public static final String LAYOUT_INFLATER_SERVICE = "layout_inflater"; |
| * ... |
| * public abstract Object getSystemService(@ServiceName String name); |
| * }</pre> |
| * |
| * @hide |
| */ |
| @Retention(CLASS) |
| @Target({ANNOTATION_TYPE}) |
| public @interface StringDef { |
| /** Defines the allowed constants for this element */ |
| String[] value() default {}; |
| } |