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/*
* Copyright (C) 2018 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 com.android.tv.common.annotation;
import java.lang.annotation.ElementType;
import java.lang.annotation.Target;
/**
* Annotation used for marking methods and fields that are called from native
* code. Useful for keeping components that would otherwise be removed by
* Proguard. Use the value parameter to mention a file that calls this method.
*
* Note that adding this annotation to a method is not enough to guarantee that
* it is kept - either its class must be referenced elsewhere in the program, or
* the class must be annotated with this as well.
*
* Usage example:<br />
* <pre>{@code
* @UsedByNative("NativeCrashHandler.cpp")
* public static void reportCrash(int signal, int code, int address) {
* ...
* }
* </pre>
*
*/
@Target({ElementType.METHOD, ElementType.FIELD, ElementType.TYPE, ElementType.CONSTRUCTOR})
public @interface UsedByNative {
String value();
}
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