Fluent AcrylicBrush 不会在浅色、深色、主题等之间切换. UWP [英] Fluent AcrylicBrush does not switch between Light, Dark, theme etc. UWP

问题描述

Defined Light 主题 ( TintColor="Red"/>)、Dark、( TintColor="Orange"/>) 在 App.xaml 中.根据这篇文章，希望这能解决您的问题.

Defined Light theme (<AcrylicBrush TintColor="Red"/>), Dark, (<AcrylicBrush TintColor="Orange"/>) in App.xaml. Per this post, Changing UWP project's Target Version from 1803 to 1809 disables NavigationView's Acrylic texture - why?, I added the following to ShellPage.xaml. The expected behavior when I toggle between Light and Dark theme is that the app NavigationView control will have an AcrylicBrush tint that toggles between Red and Orange. In the definition below, actual behavior is it stays Orange.

ShellPage.xaml:

<Page.Resources>
    <StaticResource  x:Key="NavigationViewExpandedPaneBackground"
                     ResourceKey="MyAcrylicBrush"/>
</Page.Resources>

App.xaml:

<Application
x:Class="TEST.App"
xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml">
<Application.Resources>
    <ResourceDictionary>
        <ResourceDictionary.ThemeDictionaries>
            <ResourceDictionary x:Key="Default">
                <AcrylicBrush x:Key="MyAcrylicBrush"
                              BackgroundSource="HostBackdrop"
                              TintColor="Green"
                              TintOpacity="0.8" />
                <AcrylicBrush x:Key="NavigationViewDefaultPaneBackground"
                              BackgroundSource="HostBackdrop"
                              TintColor="Green"
                              TintOpacity="0.8" />
                <AcrylicBrush x:Key="NavigationViewTopPaneBackground"
                              BackgroundSource="HostBackdrop"
                              TintColor="Green"
                              TintOpacity="0.8" />
                <AcrylicBrush x:Key="NavigationViewExpandedPaneBackground"
                              BackgroundSource="HostBackdrop"
                              TintColor="Green"
                              TintOpacity="0.8" />
            </ResourceDictionary>
            <ResourceDictionary x:Key="Dark">
                <AcrylicBrush x:Key="MyAcrylicBrush"
                              BackgroundSource="HostBackdrop"
                              TintColor="Orange"
                              TintOpacity="0.8" />
                <AcrylicBrush x:Key="NavigationViewDefaultPaneBackground"
                              BackgroundSource="HostBackdrop"
                              TintColor="Orange"
                              TintOpacity="0.8" />
                <AcrylicBrush x:Key="NavigationViewTopPaneBackground"
                              BackgroundSource="HostBackdrop"
                              TintColor="Orange"
                              TintOpacity="0.8" />
                <AcrylicBrush x:Key="NavigationViewExpandedPaneBackground"
                              BackgroundSource="HostBackdrop"
                              TintColor="Orange"
                              TintOpacity="0.8" />
            </ResourceDictionary>
            <ResourceDictionary x:Key="Light">
                <AcrylicBrush x:Key="MyAcrylicBrush"
                              BackgroundSource="HostBackdrop"
                              TintColor="Red"
                              TintOpacity="1"/>
                <AcrylicBrush x:Key="NavigationViewDefaultPaneBackground"
                              BackgroundSource="HostBackdrop"
                              TintColor="Red"
                              TintOpacity="1" />
                <AcrylicBrush x:Key="NavigationViewTopPaneBackground"
                              BackgroundSource="HostBackdrop"
                              TintColor="Red"
                              TintOpacity="1" />
                <AcrylicBrush x:Key="NavigationViewExpandedPaneBackground"
                              BackgroundSource="HostBackdrop"
                              TintColor="Red"
                              TintOpacity="1"/> 
            </ResourceDictionary>
        </ResourceDictionary.ThemeDictionaries>
    </ResourceDictionary>
</Application.Resources>
</Application>

解决方案

You can directly give the Key(NavigationViewExpandedPaneBackGround) to your AcrylicBrush. So it will change your navigation view background.

  <Page.Resources>
      <ResourceDictionary>
            <ResourceDictionary.ThemeDictionaries>
                <ResourceDictionary x:Key="Light">
                    <AcrylicBrush x:Key="NavigationViewExpandedPaneBackground" BackgroundSource="HostBackdrop" TintColor="{ThemeResource SystemAccentColorDark1}" FallbackColor="{ThemeResource SystemAccentColorDark1}" TintOpacity="0.80"/>   
                </ResourceDictionary>
                <ResourceDictionary x:Key="Dark">
                    <AcrylicBrush x:Key="NavigationViewExpandedPaneBackground" BackgroundSource="HostBackdrop" TintColor="{ThemeResource SystemAltHighColor}" FallbackColor="#333333" TintOpacity="0.50"/>
                </ResourceDictionary>
            </ResourceDictionary.ThemeDictionaries>
        </ResourceDictionary>
</Page.Resources>

Hope this solves your problem.

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