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 17 package com.android.settings.utils; 18 19 import android.annotation.StyleRes; 20 import android.content.Context; 21 import android.view.ContextThemeWrapper; 22 23 /** 24 * {@link ContextThemeWrapper} that provides a local classloader. This guarantees we have a 25 * valid {@link ClassLoader} when base context is from an external app. 26 */ 27 public class LocalClassLoaderContextThemeWrapper extends ContextThemeWrapper { 28 29 private Class mLocalClass; 30 LocalClassLoaderContextThemeWrapper(Class clazz, Context base, @StyleRes int themeResId)31 public LocalClassLoaderContextThemeWrapper(Class clazz, Context base, 32 @StyleRes int themeResId) { 33 super(base, themeResId); 34 mLocalClass = clazz; 35 } 36 37 @Override getClassLoader()38 public ClassLoader getClassLoader() { 39 return mLocalClass.getClassLoader(); 40 } 41 } 42