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      1 /*
      2 * Copyright (C) 2014 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.example.android.mediabrowserservice.utils;
     18 
     19 import android.content.Context;
     20 import android.content.pm.ApplicationInfo;
     21 import android.content.pm.PackageManager;
     22 import android.content.res.Resources;
     23 import android.content.res.TypedArray;
     24 
     25 /**
     26  * Generic reusable methods to handle resources.
     27  */
     28 public 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