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      */
getThemeColor(Context context, int attribute, int defaultColor)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