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.ImageView; 22 23 /** 24 * An ImageView which does not have overlapping renderings commands and therefore does not need a 25 * layer when alpha is changed. 26 */ 27 public class AlphaImageView extends ImageView { AlphaImageView(Context context)28 public AlphaImageView(Context context) { 29 super(context); 30 } 31 AlphaImageView(Context context, AttributeSet attrs)32 public AlphaImageView(Context context, AttributeSet attrs) { 33 super(context, attrs); 34 } 35 AlphaImageView(Context context, AttributeSet attrs, int defStyleAttr)36 public AlphaImageView(Context context, AttributeSet attrs, int defStyleAttr) { 37 super(context, attrs, defStyleAttr); 38 } 39 AlphaImageView(Context context, AttributeSet attrs, int defStyleAttr, int defStyleRes)40 public AlphaImageView(Context context, AttributeSet attrs, int defStyleAttr, int defStyleRes) { 41 super(context, attrs, defStyleAttr, defStyleRes); 42 } 43 44 @Override hasOverlappingRendering()45 public boolean hasOverlappingRendering() { 46 return false; 47 } 48 } 49