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