1 /* 2 * Copyright (C) 2017 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 androidx.transition; 18 19 import android.animation.PropertyValuesHolder; 20 import android.graphics.Path; 21 import android.graphics.PointF; 22 import android.os.Build; 23 import android.util.Property; 24 25 class PropertyValuesHolderUtils { 26 27 /** 28 * Constructs and returns a PropertyValuesHolder with a given property and 29 * a Path along which the values should be animated. This variant supports a 30 * <code>TypeConverter</code> to convert from <code>PointF</code> to the target 31 * type. 32 * 33 * @param property The property being animated. Should not be null. 34 * @param path The Path along which the values should be animated. 35 * @return PropertyValuesHolder The constructed PropertyValuesHolder object. 36 */ 37 static PropertyValuesHolder ofPointF(Property<?, PointF> property, Path path) { 38 if (Build.VERSION.SDK_INT >= 21) { 39 return PropertyValuesHolder.ofObject(property, null, path); 40 } 41 return PropertyValuesHolder.ofFloat(new PathProperty<>(property, path), 0f, 1f); 42 } 43 44 private PropertyValuesHolderUtils() { 45 } 46 } 47
