在Xamarin.Forms页中隐藏iPhone X的主页指示器

using Xamarin.Essentials;

...

protected override void OnAppearing()
{
    base.OnAppearing();

    if (Device.RuntimePlatform == Device.iOS)
    {
        DeviceDisplay.MainDisplayInfoChanged += OnMainDisplayInfoChanged;
    }
}

protected override void OnDisappearing()
{
    base.OnDisappearing();

    if (Device.RuntimePlatform == Device.iOS)
    {
        DeviceDisplay.MainDisplayInfoChanged -= OnMainDisplayInfoChanged;
    }
}

void OnMainDisplayInfoChanged(object sender, DisplayInfoChangedEventArgs e)
{
    var safeAreaInsets = DeviceDisplay.MainDisplayInfo.SafeAreaInsets;
    var isShowingHomeIndicator = safeAreaInsets.Bottom > 0;

    if (isShowingHomeIndicator)
    {
        MainTabbedPage.SafeAreaInsets = new Thickness(0, 0, 0, safeAreaInsets.Bottom);
    }
    else
    {
        MainTabbedPage.SafeAreaInsets = new Thickness(0);
    }
}