utilities feature
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216
Gallery.Share/Services/Environment.cs
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216
Gallery.Share/Services/Environment.cs
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#if __ANDROID_21__
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using Xamarin.Forms.Platform.Android;
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#endif
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using System.Globalization;
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using System.Threading;
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using Gallery.Resources;
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using Gallery.Util;
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using Xamarin.Forms;
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namespace Gallery.Services
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{
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public class Environment
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{
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private static readonly CultureInfo DefaultCulture = new("zh-CN");
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#if __ANDROID_21__
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public static void SetStatusBarColor(Color color)
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{
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if (Android.OS.Build.VERSION.SdkInt >= Android.OS.BuildVersionCodes.Lollipop)
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{
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Android.OS.Droid.MainActivity.Main.SetStatusBarColor(color.ToAndroid());
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Android.OS.Droid.MainActivity.Main.Window.DecorView.SystemUiVisibility =
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App.CurrentTheme == Xamarin.Essentials.AppTheme.Dark ?
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Android.Views.StatusBarVisibility.Visible :
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(Android.Views.StatusBarVisibility)Android.Views.SystemUiFlags.LightStatusBar;
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}
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}
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#endif
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public static void SetStatusBarStyle(StatusBarStyles style)
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{
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#if __IOS__
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SetStatusBarStyle(ConvertStyle(style));
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}
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public static void SetStatusBarStyle(UIKit.UIStatusBarStyle style)
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{
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if (UIKit.UIApplication.SharedApplication.StatusBarStyle == style)
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{
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return;
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}
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if (style == UIKit.UIStatusBarStyle.BlackOpaque)
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{
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UIKit.UIApplication.SharedApplication.SetStatusBarHidden(true, true);
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}
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else
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{
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if (UIKit.UIApplication.SharedApplication.StatusBarHidden)
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{
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UIKit.UIApplication.SharedApplication.SetStatusBarStyle(style, false);
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UIKit.UIApplication.SharedApplication.SetStatusBarHidden(false, true);
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}
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else
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{
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UIKit.UIApplication.SharedApplication.SetStatusBarStyle(style, true);
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}
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}
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}
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public static UIKit.UIStatusBarStyle ConvertStyle(StatusBarStyles style)
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{
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return style switch
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{
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StatusBarStyles.DarkText => UIKit.UIStatusBarStyle.DarkContent,
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StatusBarStyles.WhiteText => UIKit.UIStatusBarStyle.LightContent,
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StatusBarStyles.Hidden => UIKit.UIStatusBarStyle.BlackOpaque,
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_ => UIKit.UIStatusBarStyle.Default,
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};
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#endif
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}
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public static void SetCultureInfo(CultureInfo ci)
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{
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Thread.CurrentThread.CurrentCulture = ci;
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Thread.CurrentThread.CurrentUICulture = ci;
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#if DEBUG
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Log.Print($"CurrentCulture set: {ci.Name}");
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#endif
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}
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public static CultureInfo GetCurrentCultureInfo()
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{
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string lang;
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#if __IOS__
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if (Foundation.NSLocale.PreferredLanguages.Length > 0)
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{
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var pref = Foundation.NSLocale.PreferredLanguages[0];
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lang = ToDotnetLanguage(pref);
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}
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else
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{
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lang = "zh-CN";
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}
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#elif __ANDROID__
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var locale = Java.Util.Locale.Default;
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lang = ToDotnetLanguage(locale.ToString().Replace('_', '-'));
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#endif
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CultureInfo ci;
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var platform = new PlatformCulture(lang);
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try
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{
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ci = new CultureInfo(platform.Language);
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}
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catch (CultureNotFoundException e)
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{
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try
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{
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var fallback = ToDotnetFallbackLanguage(platform);
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Log.Print($"{lang} failed, trying {fallback} ({e.Message})");
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ci = new CultureInfo(fallback);
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}
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catch (CultureNotFoundException e1)
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{
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Log.Error("culture.get", $"{lang} couldn't be set, using 'zh-CN' ({e1.Message})");
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ci = DefaultCulture;
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}
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}
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return ci;
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}
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#if __IOS__
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private static string ToDotnetLanguage(string iOSLanguage)
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{
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//certain languages need to be converted to CultureInfo equivalent
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string netLanguage = iOSLanguage switch
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{
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// "Malaysian (Malaysia)" not supported .NET culture
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// "Malaysian (Singapore)" not supported .NET culture
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"ms-MY" or "ms-SG" => "ms", // closest supported
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// "Schwiizertüütsch (Swiss German)" not supported .NET culture
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"gsw-CH" => "de-CH", // closest supported
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// add more application-specific cases here (if required)
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// ONLY use cultures that have been tested and known to work
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_ => iOSLanguage
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};
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#if DEBUG
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Log.Print($"iOS Language: {iOSLanguage}, .NET Language/Locale: {netLanguage}");
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#endif
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return netLanguage;
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}
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#elif __ANDROID__
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private static string ToDotnetLanguage(string androidLanguage)
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{
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//certain languages need to be converted to CultureInfo equivalent
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string netLanguage = androidLanguage switch
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{
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// "Malaysian (Brunei)" not supported .NET culture
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// "Malaysian (Malaysia)" not supported .NET culture
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// "Malaysian (Singapore)" not supported .NET culture
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"ms-BN" or "ms-MY" or "ms-SG" => "ms", // closest supported
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// "Indonesian (Indonesia)" has different code in .NET
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"in-ID" => "id-ID", // correct code for .NET
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// "Schwiizertüütsch (Swiss German)" not supported .NET culture
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"gsw-CH" => "de-CH", // closest supported
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// add more application-specific cases here (if required)
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// ONLY use cultures that have been tested and known to work
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_ => androidLanguage
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};
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#if DEBUG
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Log.Print($"Android Language: {androidLanguage}, .NET Language/Locale: {netLanguage}");
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#endif
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return netLanguage;
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}
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#endif
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private static string ToDotnetFallbackLanguage(PlatformCulture platCulture)
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{
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string netLanguage = platCulture.LanguageCode switch
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{
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"pt" => "pt-PT", // fallback to Portuguese (Portugal)
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"gsw" => "de-CH", // equivalent to German (Switzerland) for this app
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// add more application-specific cases here (if required)
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// ONLY use cultures that have been tested and known to work
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_ => platCulture.LanguageCode // use the first part of the identifier (two chars, usually);
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};
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#if DEBUG
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Log.Print($".NET Fallback Language/Locale: {platCulture.LanguageCode} to {netLanguage} (application-specific)");
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#endif
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return netLanguage;
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}
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}
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public static class Screen
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{
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private const string StatusBarStyle = nameof(StatusBarStyle);
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private const string HomeIndicatorAutoHidden = nameof(HomeIndicatorAutoHidden);
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public static readonly BindableProperty StatusBarStyleProperty = BindableProperty.CreateAttached(StatusBarStyle, typeof(StatusBarStyles), typeof(Page), StatusBarStyles.WhiteText);
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public static StatusBarStyles GetStatusBarStyle(VisualElement page) => (StatusBarStyles)page.GetValue(StatusBarStyleProperty);
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public static void SetStatusBarStyle(VisualElement page, StatusBarStyles value) => page.SetValue(StatusBarStyleProperty, value);
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public static readonly BindableProperty HomeIndicatorAutoHiddenProperty = BindableProperty.CreateAttached(HomeIndicatorAutoHidden, typeof(bool), typeof(Shell), false);
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public static bool GetHomeIndicatorAutoHidden(VisualElement page) => (bool)page.GetValue(HomeIndicatorAutoHiddenProperty);
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public static void SetHomeIndicatorAutoHidden(VisualElement page, bool value) => page.SetValue(HomeIndicatorAutoHiddenProperty, value);
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}
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public enum StatusBarStyles
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{
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Default,
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// Will behave as normal.
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// White text on black NavigationBar/in iOS Dark mode and
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// Black text on white NavigationBar/in iOS Light mode
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DarkText,
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// Will switch the color of content of StatusBar to black.
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WhiteText,
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// Will switch the color of content of StatusBar to white.
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Hidden
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// Will hide the StatusBar
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}
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}
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