47 lines
1.5 KiB
Java
47 lines
1.5 KiB
Java
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/*
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* Copyright (C) 2019 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License
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*/
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package android.compat.annotation;
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import static java.lang.annotation.ElementType.FIELD;
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import static java.lang.annotation.ElementType.PARAMETER;
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import static java.lang.annotation.RetentionPolicy.SOURCE;
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import java.lang.annotation.Retention;
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import java.lang.annotation.Target;
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/**
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* Indicates that a field is a compatibility change ID.
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*
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* <p>A compatibility change is a change to the Android platform that may impact app behavior,
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* relative to previous releases of Android. A change ID is a unique {@code long} identifying one
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* such change. Compatibility change IDs should be defined as a {@code static final long}:
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*
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* <pre>{@code
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* @ChangeId
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* public static final long MY_CHANGE_ID = 123456789l;
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* }</pre>
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*
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* <p>The value of the constant is the ID of an issue in <a href="https://issuetracker.google.com/">
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* buganizer</a>.
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*
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* @hide
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*/
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@Retention(SOURCE)
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@Target({FIELD, PARAMETER})
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public @interface ChangeId {
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}
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