1 /* 2 * Copyright (C) 2017 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file 5 * except in compliance with the License. You may obtain a copy of the License at 6 * 7 * http://www.apache.org/licenses/LICENSE-2.0 8 * 9 * Unless required by applicable law or agreed to in writing, software distributed under the 10 * License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY 11 * KIND, either express or implied. See the License for the specific language governing 12 * permissions and limitations under the License. 13 */ 14 15 package android.content.res; 16 17 import android.annotation.ColorRes; 18 import android.annotation.DrawableRes; 19 import android.content.Context; 20 import android.graphics.drawable.Drawable; 21 22 import java.lang.ref.WeakReference; 23 24 /** 25 * Version of resources generated for apps targeting <26. 26 * @hide 27 */ 28 public class CompatResources extends Resources { 29 30 private WeakReference<Context> mContext; 31 32 public CompatResources(ClassLoader cls) { 33 super(cls); 34 mContext = new WeakReference<>(null); 35 } 36 37 /** 38 * @hide 39 */ 40 public void setContext(Context context) { 41 mContext = new WeakReference<>(context); 42 } 43 44 @Override 45 public Drawable getDrawable(@DrawableRes int id) throws NotFoundException { 46 return getDrawable(id, getTheme()); 47 } 48 49 @Override 50 public Drawable getDrawableForDensity(@DrawableRes int id, int density) 51 throws NotFoundException { 52 return getDrawableForDensity(id, density, getTheme()); 53 } 54 55 @Override 56 public int getColor(@ColorRes int id) throws NotFoundException { 57 return getColor(id, getTheme()); 58 } 59 60 @Override 61 public ColorStateList getColorStateList(@ColorRes int id) throws NotFoundException { 62 return getColorStateList(id, getTheme()); 63 } 64 65 private Theme getTheme() { 66 Context c = mContext.get(); 67 return c != null ? c.getTheme() : null; 68 } 69 } 70
