diff options
Diffstat (limited to 'common/src/com/android/tv/common/annotation/UsedByNative.java')
-rw-r--r-- | common/src/com/android/tv/common/annotation/UsedByNative.java | 43 |
1 files changed, 43 insertions, 0 deletions
diff --git a/common/src/com/android/tv/common/annotation/UsedByNative.java b/common/src/com/android/tv/common/annotation/UsedByNative.java new file mode 100644 index 00000000..dc829e08 --- /dev/null +++ b/common/src/com/android/tv/common/annotation/UsedByNative.java @@ -0,0 +1,43 @@ +/* + * 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(); +} |