2 * Copyright (C) 2014 The Android Open Source Project
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
8 * http://www.apache.org/licenses/LICENSE-2.0
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
17 package com.android.systemui.statusbar;
19 import android.content.Context;
20 import android.util.AttributeSet;
21 import android.view.View;
22 import android.widget.ImageView;
25 * An ImageView which does not have overlapping rendering commands and therefore does not need a
26 * layer when alpha is changed.
28 public class AlphaOptimizedImageView extends ImageView
30 public AlphaOptimizedImageView(Context context) {
34 public AlphaOptimizedImageView(Context context, AttributeSet attrs) {
35 super(context, attrs);
38 public AlphaOptimizedImageView(Context context, AttributeSet attrs, int defStyleAttr) {
39 super(context, attrs, defStyleAttr);
42 public AlphaOptimizedImageView(Context context, AttributeSet attrs, int defStyleAttr,
44 super(context, attrs, defStyleAttr, defStyleRes);
48 public boolean hasOverlappingRendering() {