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.transition; 18 19import android.graphics.drawable.Drawable; 20import android.support.annotation.NonNull; 21import android.support.annotation.RequiresApi; 22import android.view.View; 23import android.view.ViewGroup; 24import android.view.ViewGroupOverlay; 25 26@RequiresApi(18) 27class ViewGroupOverlayApi18 implements ViewGroupOverlayImpl { 28 29 private final ViewGroupOverlay mViewGroupOverlay; 30 31 ViewGroupOverlayApi18(@NonNull ViewGroup group) { 32 mViewGroupOverlay = group.getOverlay(); 33 } 34 35 @Override 36 public void add(@NonNull Drawable drawable) { 37 mViewGroupOverlay.add(drawable); 38 } 39 40 @Override 41 public void clear() { 42 mViewGroupOverlay.clear(); 43 } 44 45 @Override 46 public void remove(@NonNull Drawable drawable) { 47 mViewGroupOverlay.remove(drawable); 48 } 49 50 @Override 51 public void add(@NonNull View view) { 52 mViewGroupOverlay.add(view); 53 } 54 55 @Override 56 public void remove(@NonNull View view) { 57 mViewGroupOverlay.remove(view); 58 } 59 60} 61