1/* 2* Copyright (C) 2015 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 com.example.android.supportv4.media.utils; 18 19import android.content.Context; 20import android.content.pm.ApplicationInfo; 21import android.content.pm.PackageManager; 22import android.content.res.Resources; 23import android.content.res.TypedArray; 24 25/** 26 * Generic reusable methods to handle resources. 27 */ 28public class ResourceHelper { 29 /** 30 * Get a color value from a theme attribute. 31 * @param context used for getting the color. 32 * @param attribute theme attribute. 33 * @param defaultColor default to use. 34 * @return color value 35 */ 36 public static int getThemeColor(Context context, int attribute, int defaultColor) { 37 int themeColor = 0; 38 String packageName = context.getPackageName(); 39 try { 40 Context packageContext = context.createPackageContext(packageName, 0); 41 ApplicationInfo applicationInfo = 42 context.getPackageManager().getApplicationInfo(packageName, 0); 43 packageContext.setTheme(applicationInfo.theme); 44 Resources.Theme theme = packageContext.getTheme(); 45 TypedArray ta = theme.obtainStyledAttributes(new int[] {attribute}); 46 themeColor = ta.getColor(0, defaultColor); 47 ta.recycle(); 48 } catch (PackageManager.NameNotFoundException e) { 49 e.printStackTrace(); 50 } 51 return themeColor; 52 } 53} 54