1 /* 2 * Copyright (C) 2016 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 17 package android.annotation; 18 19 import java.lang.annotation.Documented; 20 import java.lang.annotation.Retention; 21 import java.lang.annotation.Target; 22 23 import static java.lang.annotation.ElementType.ANNOTATION_TYPE; 24 import static java.lang.annotation.ElementType.FIELD; 25 import static java.lang.annotation.ElementType.LOCAL_VARIABLE; 26 import static java.lang.annotation.ElementType.METHOD; 27 import static java.lang.annotation.ElementType.PARAMETER; 28 import static java.lang.annotation.RetentionPolicy.SOURCE; 29 30 /** 31 * Denotes that a numeric parameter, field or method return value is expected 32 * to represent a dimension. 33 * 34 * {@hide} 35 */ 36 @Documented 37 @Retention(SOURCE) 38 @Target({METHOD,PARAMETER,FIELD,LOCAL_VARIABLE,ANNOTATION_TYPE}) 39 public @interface Dimension { 40 @Unit 41 int unit() default PX; 42 43 int DP = 0; 44 int PX = 1; 45 int SP = 2; 46 47 @IntDef({PX, DP, SP}) 48 @Retention(SOURCE) 49 @interface Unit {} 50 } 51
