1 /* 2 * Copyright (C) 2010 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.animation; 18 19 import com.android.layoutlib.bridge.impl.DelegateManager; 20 import com.android.tools.layoutlib.annotations.LayoutlibDelegate; 21 22 /** 23 * Delegate implementing the native methods of android.animation.PropertyValuesHolder 24 * 25 * Through the layoutlib_create tool, the original native methods of PropertyValuesHolder have been 26 * replaced by calls to methods of the same name in this delegate class. 27 * 28 * Because it's a stateless class to start with, there's no need to keep a {@link DelegateManager} 29 * around to map int to instance of the delegate. 30 * 31 * The main goal of this class' methods are to provide a native way to access setters and getters 32 * on some object. In this case we want to default to using Java reflection instead so the native 33 * methods do nothing. 34 * 35 */ 36 /*package*/ class PropertyValuesHolder_Delegate { 37 38 @LayoutlibDelegate nGetIntMethod(Class<?> targetClass, String methodName)39 /*package*/ static int nGetIntMethod(Class<?> targetClass, String methodName) { 40 // return 0 to force PropertyValuesHolder to use Java reflection. 41 return 0; 42 } 43 44 @LayoutlibDelegate nGetFloatMethod(Class<?> targetClass, String methodName)45 /*package*/ static int nGetFloatMethod(Class<?> targetClass, String methodName) { 46 // return 0 to force PropertyValuesHolder to use Java reflection. 47 return 0; 48 } 49 50 @LayoutlibDelegate nCallIntMethod(Object target, int methodID, int arg)51 /*package*/ static void nCallIntMethod(Object target, int methodID, int arg) { 52 // do nothing 53 } 54 55 @LayoutlibDelegate nCallFloatMethod(Object target, int methodID, float arg)56 /*package*/ static void nCallFloatMethod(Object target, int methodID, float arg) { 57 // do nothing 58 } 59 } 60