tests/framework/base/windowmanager/app/res/values/styles.xml

<?xml version="1.0" encoding="utf-8"?>
<!--
  ~ Copyright (C) 2016 The Android Open Source Project
  ~
  ~ Licensed under the Apache License, Version 2.0 (the "License");
  ~ you may not use this file except in compliance with the License.
  ~ You may obtain a copy of the License at
  ~
  ~      http://www.apache.org/licenses/LICENSE-2.0
  ~
  ~ Unless required by applicable law or agreed to in writing, software
  ~ distributed under the License is distributed on an "AS IS" BASIS,
  ~ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  ~ See the License for the specific language governing permissions and
  ~ limitations under the License
  -->

<resources>
    <style name="Theme.Transparent" parent="android:Theme">
        <item name="android:windowIsTranslucent">true</item>
        <item name="android:windowBackground">@android:color/transparent</item>
        <item name="android:windowNoTitle">true</item>
    </style>
    <style name="WallpaperTheme">
        <item name="android:windowShowWallpaper">true</item>
        <item name="android:windowBackground">@android:color/transparent</item>
        <item name="android:windowDisablePreview">true</item>
    </style>
    <style name="TranslucentTheme">
        <item name="android:windowIsTranslucent">true</item>
        <item name="android:windowBackground">@android:color/transparent</item>
        <item name="android:windowDisablePreview">true</item>
    </style>
    <style name="TranslucentWallpaperTheme">
        <item name="android:windowShowWallpaper">true</item>
        <item name="android:windowBackground">@android:color/transparent</item>
        <item name="android:windowIsTranslucent">true</item>
        <item name="android:windowDisablePreview">true</item>
    </style>
    <style name="OpaqueTheme">
        <item name="android:windowIsTranslucent">false</item>
        <item name="android:windowIsFloating">false</item>
    </style>
    <style name="NoPreview">
        <item name="android:windowDisablePreview">true</item>
    </style>
    <style name="SplashscreenTheme" parent="@android:style/Theme.Material.NoActionBar">
        <item name="android:windowSplashscreenContent">@drawable/red</item>
        <item name="android:windowSplashScreenBackground">@drawable/blue</item>
    </style>

    <style name="BackgroundImage" parent="@android:style/Theme.Translucent.NoTitleBar.Fullscreen">
        <item name="android:windowNoTitle">true</item>
        <item name="android:windowLayoutInDisplayCutoutMode">always</item>
        <item name="android:windowSoftInputMode">stateHidden</item>
    </style>

    <style name="TranslucentDialog" parent="@android:style/Theme.Material.Dialog">
        <item name="android:windowIsTranslucent">true</item>
        <item name="android:windowBackground">@android:color/transparent</item>
        <item name="android:windowNoTitle">true</item>
        <item name="android:backgroundDimEnabled">false</item>
        <item name="android:windowBlurBehindEnabled">true</item>
        <item name="android:windowDisablePreview">true</item>
        <item name="android:windowElevation">0dp</item>
        <item name="android:windowLayoutInDisplayCutoutMode">always</item>
        <item name="android:windowSoftInputMode">stateHidden</item>
    </style>

    <style name="BlurryDialog" parent="TranslucentDialog">
        <item name="android:windowBackgroundBlurRadius">@dimen/test_background_blur_radius</item>
        <item name="android:windowBlurBehindRadius">@dimen/test_blur_behind_radius</item>
        <item name="android:windowBlurBehindEnabled">true</item>
    </style>

    <style name="BadBlurryDialog" parent="TranslucentDialog">
        <item name="android:windowIsTranslucent">false</item>
        <item name="android:windowBlurBehindEnabled">false</item>
    </style>

    <style name="ReplaceIconTheme" parent="@android:style/Theme.Material.NoActionBar">
        <item name="android:windowSplashScreenBackground">@drawable/blue</item>
        <item name="android:windowSplashScreenAnimatedIcon">@drawable/animationDrawable</item>
        <item name="android:windowSplashScreenAnimationDuration">500</item>
    </style>
    <style name="ShowBrandingTheme" parent="@android:style/Theme.Material.NoActionBar">
        <item name="android:windowSplashScreenBrandingImage">@drawable/branding</item>
        <item name="android:windowSplashScreenAnimatedIcon">@drawable/start</item>
        <item name="android:windowSplashScreenIconBackgroundColor">@drawable/blue</item>
    </style>

    <style name="SplashScreenOverrideTheme" parent="ReplaceIconTheme">
        <item name="android:windowSplashScreenBackground">@drawable/red</item>
    </style>

    <style name="SplashScreenStyleTheme" parent="@android:style/Theme.Material.NoActionBar">
        <item name="android:windowSplashScreenBehavior">icon_preferred</item>
    </style>

    <style name="Theme.CustomTransitionTheme" parent="@android:style/Theme.Material.NoActionBar">
        <item name="android:background">#ffffff</item>
        <item name="android:windowBackground">#ffffff</item>
        <item name="android:colorBackground">#ffffff</item>
        <item name="android:statusBarColor">@android:color/transparent</item>
        <item name="android:navigationBarColor">@android:color/transparent</item>
    </style>

    <style name="NoInsetsTheme" parent="@android:style/Theme.NoTitleBar">
        <item name="android:windowLayoutInDisplayCutoutMode">always</item>
        <item name="android:windowSoftInputMode">stateHidden</item>
    </style>
</resources>