xamarin.forms.shell

问题 I am defining a custom Shell.TitleView in a way to preserve the Tab/Page title of my ContentPage as follow: <Shell.TitleView> <Label Text="Page2" FontSize="20" VerticalTextAlignment="Center"/> <!-- rest of my TitleView irrelevant in this question--> </Shell.TitleView> The issue here is that the generated title by the default Shell.TitleView (in the second Tab) is different from mine (the difference is more noticeable when you navigate from one tab to the other than in screenshots), at first I

问题 I am defining a custom Shell.TitleView in a way to preserve the Tab/Page title of my ContentPage as follow: <Shell.TitleView> <Label Text="Page2" FontSize="20" VerticalTextAlignment="Center"/> <!-- rest of my TitleView irrelevant in this question--> </Shell.TitleView> The issue here is that the generated title by the default Shell.TitleView (in the second Tab) is different from mine (the difference is more noticeable when you navigate from one tab to the other than in screenshots), at first I

问题 I've noticed that when I customize flyout item appearance like it says here in the docs, the current FlyoutItem is not marked anymore. Snip of the code from docs to change the item appearance: <Shell ...> ... <Shell.ItemTemplate> <DataTemplate> <Grid> <Grid.ColumnDefinitions> <ColumnDefinition Width="0.2*" /> <ColumnDefinition Width="0.8*" /> </Grid.ColumnDefinitions> <Image Source="{Binding FlyoutIcon}" Margin="5" HeightRequest="45" /> <Label Grid.Column="1" Text="{Binding Title}"

问题 I would like to ask if it is possible to animate the Navigation Bar or TabbedPage ( TabLayout ) in the Xamarin.Forms Shell when scrolling it either hides or the discovery see gif. I tried it in Xamarin native android there it works after adding layout_scrollFlags . http://lomza.totem-soft.com/appbarlayout-scroll-behavior-with-layout_scrollflags http://karthikraj.net/2016/12/24/scrolling-behavior-for-appbars-in-android 回答1: Not sure if you can achieve this behavior with an android style in XF

问题 In follow-up of Shell navigation bar scroll behavior, I have created a custom Shell renderer toolbar with scroll behavior and I would like to know if it is possible to create the same for TabBar or Tab in Shell. See Gif https://android.jlelse.eu/scroll-your-bottom-navigation-view-away-with-10-lines-of-code-346f1ed40e9e using LP = Android.Views.ViewGroup.LayoutParams; public class CustomShell : ShellRenderer { public CustomShell(Context context) : base(context) { } protected override

问题 I am developing an application in Xamarin Forms 4.8 version with both side menu(Flyout) and bottom tabbar using Shell feature. My sidemenu has 4 items and bottom tabbar has 5 items. Both are having different items. Bottom tabbar with such 5 items are always need to be present around my application. When I click any item in side menu, the bottom tabbar items are replaced with side menu items. I don't know why. My AppShell.xaml page is shown below, <Shell xmlns="http://xamarin.com/schemas/2014

问题 I am developing an application in Xamarin Forms 4.8 version with both side menu(Flyout) and bottom tabbar using Shell feature. My sidemenu has 4 items and bottom tabbar has 5 items. Both are having different items. Bottom tabbar with such 5 items are always need to be present around my application. When I click any item in side menu, the bottom tabbar items are replaced with side menu items. I don't know why. My AppShell.xaml page is shown below, <Shell xmlns="http://xamarin.com/schemas/2014

问题 Error System.ArgumentException: 'unable to figure out route for: //RegisterPage Parameter name: uri' System.ArgumentException: 'unable to figure out route for: //LogoPage Parameter name: uri' What is wrong? It cant figure out the route...? XAML <?xml version="1.0" encoding="utf-8" ?> <ContentPage xmlns="http://xamarin.com/schemas/2014/forms" xmlns:x="http://schemas.microsoft.com/winfx/2009/xaml" xmlns:d="http://xamarin.com/schemas/2014/forms/design" xmlns:mc="http://schemas.openxmlformats.org

问题 Error System.ArgumentException: 'unable to figure out route for: //RegisterPage Parameter name: uri' System.ArgumentException: 'unable to figure out route for: //LogoPage Parameter name: uri' What is wrong? It cant figure out the route...? XAML <?xml version="1.0" encoding="utf-8" ?> <ContentPage xmlns="http://xamarin.com/schemas/2014/forms" xmlns:x="http://schemas.microsoft.com/winfx/2009/xaml" xmlns:d="http://xamarin.com/schemas/2014/forms/design" xmlns:mc="http://schemas.openxmlformats.org

问题 Error System.ArgumentException: 'unable to figure out route for: //RegisterPage Parameter name: uri' System.ArgumentException: 'unable to figure out route for: //LogoPage Parameter name: uri' What is wrong? It cant figure out the route...? XAML <?xml version="1.0" encoding="utf-8" ?> <ContentPage xmlns="http://xamarin.com/schemas/2014/forms" xmlns:x="http://schemas.microsoft.com/winfx/2009/xaml" xmlns:d="http://xamarin.com/schemas/2014/forms/design" xmlns:mc="http://schemas.openxmlformats.org