1 /* 2 * Copyright (C) 2024 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 package android.hardware.camera2.impl; 17 18 import java.lang.annotation.ElementType; 19 import java.lang.annotation.Retention; 20 import java.lang.annotation.RetentionPolicy; 21 import java.lang.annotation.Target; 22 23 /** 24 * Denote a static field {@code Key} as being an extension key (i.e. @hide as a CaptureRequest/ 25 * CaptureResult key but exposed as a @PublicKey through 26 * ExtensionCaptureRequest/ExtensionCaptureResult). 27 * 28 * <p>Keys with this annotation are assumed to always have a hidden key counter-part in 29 * CaptureRequest/CaptureResult.</p> 30 * 31 */ 32 @Retention(RetentionPolicy.RUNTIME) 33 @Target(ElementType.FIELD) 34 public @interface ExtensionKey { 35 36 } 37