AppShell.xaml

<?xml version="1.0" encoding="UTF-8" ?>
<Shell
    x:Class="UdpQuickShare.AppShell"
    xmlns="http://schemas.microsoft.com/dotnet/2021/maui"
    xmlns:x="http://schemas.microsoft.com/winfx/2009/xaml"
    xmlns:local="clr-namespace:UdpQuickShare"
    xmlns:page="clr-namespace:UdpQuickShare.Pages"
    Shell.FlyoutBehavior="Disabled">


    <TabBar Title="UdpQuickShare" >
        <Tab Title="发送"
             Route="MainPage">
            <ShellContent ContentTemplate="{DataTemplate local:MainPage}"/>
        </Tab>
        <Tab Title="发送的"
             Route="SendingFiles">
            <ShellContent ContentTemplate="{DataTemplate page:SendingFiles}"
                          />
        </Tab>
        <Tab Title="接收"
             Route="RecievingFiles">
            <ShellContent ContentTemplate="{DataTemplate page:RecievedFiles}"
                          />
        </Tab>
        <Tab Title="设置"
             Route="Setting">
            <ShellContent ContentTemplate="{DataTemplate page:SaveFolderSetter}"/>
        </Tab>
    </TabBar>

</Shell>