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