1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
|
/*
* Copyright (C) 2017 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.android.launcher3.util;
import android.content.Context;
import android.content.res.TypedArray;
import android.view.ContextThemeWrapper;
/**
* Various utility methods associated with theming.
*/
public class Themes {
public static int getColorAccent(Context context) {
return getAttrColor(context, android.R.attr.colorAccent);
}
public static int getColorPrimary(Context context, int theme) {
return getAttrColor(new ContextThemeWrapper(context, theme), android.R.attr.colorPrimary);
}
public static int getAttrColor(Context context, int attr) {
TypedArray ta = context.obtainStyledAttributes(new int[]{attr});
int colorAccent = ta.getColor(0, 0);
ta.recycle();
return colorAccent;
}
/**
* Returns the alpha corresponding to the theme attribute {@param attr}, in the range [0, 255].
*/
public static int getAlpha(Context context, int attr) {
TypedArray ta = context.obtainStyledAttributes(new int[]{attr});
float alpha = ta.getFloat(0, 0);
ta.recycle();
return (int) (255 * alpha + 0.5f);
}
}
|
