1 /*
2  * Copyright (C) 2019 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.android.settingslib.utils;
18 
19 import android.content.Context;
20 import android.content.res.TypedArray;
21 
22 /** Utility class for getting color attribute **/
23 public class ColorUtil {
24 
25     /**
26      * Returns android:disabledAlpha value in context
27      */
getDisabledAlpha(Context context)28     public static float getDisabledAlpha(Context context) {
29         final TypedArray ta = context.obtainStyledAttributes(
30                 new int[]{android.R.attr.disabledAlpha});
31         final float alpha = ta.getFloat(0, 0);
32         ta.recycle();
33         return alpha;
34     }
35 }
36