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