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 17 package platform.test.motion.compose.values 18 19 /** Keys for well-known properties. */ 20 object MotionTestValues { 21 /** 22 * Generic key to export alpha value of a node. 23 * 24 * NOTE: The alpha-value must be manually exported: 25 * ``` 26 * val opacity: Float = // ... 27 * MyComposable(modifier = Modifier 28 * .graphicsLayer { alpha = opacity } 29 * .testTag("MyNode") 30 * .motionTestValues { opacity exportAs MotionTestValues.alpha } 31 * ``` 32 */ 33 val alpha = MotionTestValueKey<Float>("alpha") 34 } 35