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.launcher3;
18 
19 import android.content.res.Resources;
20 import android.util.DisplayMetrics;
21 import android.util.TypedValue;
22 
23 public class ResourceUtils {
24     public static final int DEFAULT_NAVBAR_VALUE = 48;
25     public static final String NAVBAR_LANDSCAPE_LEFT_RIGHT_SIZE = "navigation_bar_width";
26     public static final String NAVBAR_BOTTOM_GESTURE_SIZE = "navigation_bar_gesture_height";
27 
getNavbarSize(String resName, Resources res)28     public static int getNavbarSize(String resName, Resources res) {
29         return getDimenByName(resName, res, DEFAULT_NAVBAR_VALUE);
30     }
31 
getDimenByName(String resName, Resources res, int defaultValue)32     public static int getDimenByName(String resName, Resources res, int defaultValue) {
33         final int frameSize;
34         final int frameSizeResID = res.getIdentifier(resName, "dimen", "android");
35         if (frameSizeResID != 0) {
36             frameSize = res.getDimensionPixelSize(frameSizeResID);
37         } else {
38             frameSize = pxFromDp(defaultValue, res.getDisplayMetrics());
39         }
40         return frameSize;
41     }
42 
getBoolByName(String resName, Resources res, boolean defaultValue)43     public static boolean getBoolByName(String resName, Resources res, boolean defaultValue) {
44         final boolean val;
45         final int resId = res.getIdentifier(resName, "bool", "android");
46         if (resId != 0) {
47             val = res.getBoolean(resId);
48         } else {
49             val = defaultValue;
50         }
51         return val;
52     }
53 
pxFromDp(float size, DisplayMetrics metrics)54     public static int pxFromDp(float size, DisplayMetrics metrics) {
55         return Math.round(TypedValue.applyDimension(TypedValue.COMPLEX_UNIT_DIP, size, metrics));
56     }
57 }
58