| /* |
| * Copyright (C) 2019 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.compat.annotation; |
| |
| import static java.lang.annotation.ElementType.FIELD; |
| import static java.lang.annotation.ElementType.PARAMETER; |
| import static java.lang.annotation.RetentionPolicy.SOURCE; |
| |
| import java.lang.annotation.Retention; |
| import java.lang.annotation.Target; |
| |
| /** |
| * Indicates that a field is a compatibility change ID. |
| * |
| * <p>A compatibility change is a change to the Android platform that may impact app behavior, |
| * relative to previous releases of Android. A change ID is a unique {@code long} identifying one |
| * such change. Compatibility change IDs should be defined as a {@code static final long}: |
| * |
| * <pre>{@code |
| * @ChangeId |
| * public static final long MY_CHANGE_ID = 123456789l; |
| * }</pre> |
| * |
| * <p>The value of the constant is the ID of an issue in <a href="https://issuetracker.google.com/"> |
| * buganizer</a>. |
| * |
| * @hide |
| */ |
| @Retention(SOURCE) |
| @Target({FIELD, PARAMETER}) |
| public @interface ChangeId { |
| } |