ResourceHelper.java

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/*
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* Copyright (C) 2014 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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*      http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package com.example.android.mediabrowserservice.utils;
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import android.content.Context;
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import android.content.pm.ApplicationInfo;
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import android.content.pm.PackageManager;
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import android.content.res.Resources;
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import android.content.res.TypedArray;
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/**
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 * Generic reusable methods to handle resources.
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 */
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public class ResourceHelper {
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    /**
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     * Get a color value from a theme attribute.
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     * @param context used for getting the color.
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     * @param attribute theme attribute.
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     * @param defaultColor default to use.
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     * @return color value
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     */
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    public static int getThemeColor(Context context, int attribute, int defaultColor) {
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        int themeColor = 0;
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        String packageName = context.getPackageName();
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        try {
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            Context packageContext = context.createPackageContext(packageName, 0);
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            ApplicationInfo applicationInfo =
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                context.getPackageManager().getApplicationInfo(packageName, 0);
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            packageContext.setTheme(applicationInfo.theme);
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            Resources.Theme theme = packageContext.getTheme();
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            TypedArray ta = theme.obtainStyledAttributes(new int[] {attribute});
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            themeColor = ta.getColor(0, defaultColor);
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            ta.recycle();
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        } catch (PackageManager.NameNotFoundException e) {
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            e.printStackTrace();
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        }
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        return themeColor;
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    }
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}
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ResourceHelper.java
