Some views (such as ImageView and TextView) handle non-opaque alpha values directly. This was originally an optimization, but we can handle it faster in many cases without this optimization when DisplayList properties are enabled. Basically, if a view has non-overlapping rendering, we set the alpha value directly on the renderer (the equivalent of setting it on the Paint object) and draw each primitive with that alpha value. Doing it this way avoids re-creating DisplayLists while getting the same speedup that onSetAlpha() used to get pre-DisplayList properties. Change-Id: I0f7827f075d3b35093a882d4adbb300a1063c288
81 lines
3.2 KiB
XML
81 lines
3.2 KiB
XML
<?xml version="1.0" encoding="utf-8"?>
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<!-- Copyright (C) 2012 The Android Open Source Project
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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-->
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<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
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android:orientation="vertical"
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android:layout_width="fill_parent"
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android:layout_height="fill_parent"
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android:id="@+id/container">
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<Button
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android:layout_width="wrap_content"
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android:layout_height="wrap_content"
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android:text="Invalidate"
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android:id="@+id/invalidateButton"/>
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<Button
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android:layout_width="wrap_content"
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android:layout_height="wrap_content"
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android:text="Button"
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android:id="@+id/button"/>
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<TextView
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android:layout_width="wrap_content"
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android:layout_height="wrap_content"
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android:text="Some text"
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android:id="@+id/textview"/>
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<TextView
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android:layout_width="wrap_content"
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android:layout_height="wrap_content"
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android:id="@+id/spantext"/>
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<EditText
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android:layout_width="wrap_content"
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android:layout_height="wrap_content"
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android:text="Edit text"
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android:id="@+id/edittext"/>
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<EditText
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android:layout_width="wrap_content"
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android:layout_height="wrap_content"
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android:text="Selected text"
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android:id="@+id/selectedtext"/>
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<TextView
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android:layout_width="wrap_content"
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android:layout_height="wrap_content"
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android:text="Some text"
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android:background="#00ff00"
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android:id="@+id/textviewbackground"/>
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<ImageView
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android:layout_width="wrap_content"
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android:layout_height="wrap_content"
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android:src="@drawable/icon"
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android:id="@+id/imageview"/>
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<LinearLayout
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android:layout_width="wrap_content"
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android:layout_height="wrap_content"
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android:orientation="horizontal"
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android:id="@+id/layout">
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<Button
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android:layout_width="wrap_content"
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android:layout_height="wrap_content"
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android:text="Button"/>
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<TextView
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android:layout_width="wrap_content"
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android:layout_height="wrap_content"
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android:text="Some text"/>
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<TextView
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android:layout_width="wrap_content"
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android:layout_height="wrap_content"
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android:text="Some text"
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android:background="#00ff00"/>
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</LinearLayout>
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</LinearLayout> |