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1 /*
2  * Copyright (C) 2014 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.systemui.statusbar;
18 
19 import android.content.Context;
20 import android.util.AttributeSet;
21 import android.widget.FrameLayout;
22 import android.widget.LinearLayout;
23 
24 /**
25  * A frame layout which does not have overlapping renderings commands and therefore does not need a
26  * layer when alpha is changed.
27  */
28 public class AlphaOptimizedFrameLayout extends FrameLayout
29 {
AlphaOptimizedFrameLayout(Context context)30     public AlphaOptimizedFrameLayout(Context context) {
31         super(context);
32     }
33 
AlphaOptimizedFrameLayout(Context context, AttributeSet attrs)34     public AlphaOptimizedFrameLayout(Context context, AttributeSet attrs) {
35         super(context, attrs);
36     }
37 
AlphaOptimizedFrameLayout(Context context, AttributeSet attrs, int defStyleAttr)38     public AlphaOptimizedFrameLayout(Context context, AttributeSet attrs, int defStyleAttr) {
39         super(context, attrs, defStyleAttr);
40     }
41 
AlphaOptimizedFrameLayout(Context context, AttributeSet attrs, int defStyleAttr, int defStyleRes)42     public AlphaOptimizedFrameLayout(Context context, AttributeSet attrs, int defStyleAttr,
43             int defStyleRes) {
44         super(context, attrs, defStyleAttr, defStyleRes);
45     }
46 
47     @Override
hasOverlappingRendering()48     public boolean hasOverlappingRendering() {
49         return false;
50     }
51 }
52