1 /*
2  * Copyright (C) 2016 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.documentsui.base;
18 
19 import android.app.Activity;
20 import android.content.Context;
21 import android.graphics.Point;
22 import android.util.TypedValue;
23 
24 /*
25  * Convenience class for getting display related attributes
26  */
27 public final class Display {
28     /*
29      * Returns the screen width in raw pixels.
30      */
screenWidth(Activity activity)31     public static float screenWidth(Activity activity) {
32         Point size = new Point();
33         activity.getWindowManager().getDefaultDisplay().getRealSize(size);
34         return size.x;
35     }
36 
37     /*
38      * Returns logical density of the display.
39      */
density(Context context)40     public static float density(Context context) {
41         return context.getResources().getDisplayMetrics().density;
42     }
43 
44     /*
45      * Returns action bar height in raw pixels.
46      */
actionBarHeight(Context context)47     public static float actionBarHeight(Context context) {
48         int actionBarHeight = 0;
49         TypedValue tv = new TypedValue();
50         if (context.getTheme().resolveAttribute(android.R.attr.actionBarSize, tv, true)) {
51             actionBarHeight = TypedValue.complexToDimensionPixelSize(tv.data,
52                     context.getResources().getDisplayMetrics());
53         }
54         return actionBarHeight;
55     }
56 }
57