XF 标签页面

using System;

using Xamarin.Forms;

using Xamarin.Forms.Xaml;

[assembly: XamlCompilation (XamlCompilationOptions.Compile)]

namespace App12

{

    public partial class App : Application

    {

        public App ()

        {

            InitializeComponent();

MainPage = new TabbedPage1();//删除MainPage添加标签页面

        }

protected override void OnStart ()

        {

            // Handle when your app starts

        }

protected override void OnSleep ()

        {

            // Handle when your app sleeps

        }

protected override void OnResume ()

        {

            // Handle when your app resumes

        }

    }

}

<?xml version="1.0" encoding="utf-8" ?>

<TabbedPage xmlns="http://xamarin.com/schemas/2014/forms"

             xmlns:x="http://schemas.microsoft.com/winfx/2009/xaml"

             x:Class="App12.TabbedPage1">

  <!--Pages can be added as references or inline-->

    <ContentPage Title="Tab 1">

        <BoxView BackgroundColor="AliceBlue"></BoxView>

    </ContentPage>

    <ContentPage Title="Tab 2" >

        <BoxView BackgroundColor="Red"></BoxView>

</ContentPage>

    <ContentPage Title="Tab 3" >

        <BoxView BackgroundColor="Yellow"></BoxView>

</ContentPage>

</TabbedPage>