/* * Copyright (C) 2015 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.support.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.CONSTRUCTOR; import static java.lang.annotation.ElementType.FIELD; import static java.lang.annotation.ElementType.METHOD; import static java.lang.annotation.ElementType.PACKAGE; import static java.lang.annotation.ElementType.TYPE; import static java.lang.annotation.RetentionPolicy.CLASS; /** * Denotes that the annotated element should not be removed when * the code is minified at build time. This is typically used * on methods and classes that are accessed only via reflection * so a compiler may think that the code is unused. *

* Example: *

{@code
 *  @Keep
 *  public void foo() {
 *      ...
 *  }
 * }
*/ @Retention(CLASS) @Target({PACKAGE,TYPE,ANNOTATION_TYPE,CONSTRUCTOR,METHOD,FIELD}) public @interface Keep { }