| /* |
| * 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 android.annotation; |
| |
| 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.RetentionPolicy.CLASS; |
| |
| import java.lang.annotation.Retention; |
| import java.lang.annotation.Target; |
| |
| /** |
| * Indicates that a class member, that is not part of the SDK, is used by apps. |
| * Since the member is not part of the SDK, such use is not supported. |
| * |
| * This annotation acts as a heads up that changing a given method or field |
| * may affect apps, potentially breaking them when the next Android version is |
| * released. In some cases, for members that are heavily used, this annotation |
| * may imply restrictions on changes to the member. |
| * |
| * This annotation also results in access to the member being permitted by the |
| * runtime, with a warning being generated in debug builds. |
| * |
| * For more details, see go/UnsupportedAppUsage. |
| * |
| * {@hide} |
| */ |
| @Retention(CLASS) |
| @Target({CONSTRUCTOR, METHOD, FIELD}) |
| public @interface UnsupportedAppUsage { |
| |
| /** |
| * Associates a bug tracking the work to add a public alternative to this API. Optional. |
| * |
| * @return ID of the associated tracking bug |
| */ |
| long trackingBug() default 0; |
| |
| /** |
| * For debug use only. The expected dex signature to be generated for this API, used to verify |
| * parts of the build process. |
| * |
| * @return A dex API signature. |
| */ |
| String expectedSignature() default ""; |
| } |