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在上一篇博文的基础上继续操作：
.NET MAUI教程1-入门并发布apk包安装到真机-CSDN博客
本文内容参考：
Toast - .NET MAUI Community Toolkit - Community Toolkits for .NET | Microsoft Learn
1 在NuGet包管理器中安装
MAUI Community Toolkit，版本选择9.1.1，如下图：
2 在MauiProgram.cs中新增builder.UseMauiCommunityToolkit();
完整代码如下：
using CommunityToolkit.Maui;
using Microsoft.Extensions.Logging;namespace MauiDemo2
{public static class MauiProgram{public static MauiApp CreateMauiApp(){var builder = MauiApp.CreateBuilder();builder.UseMauiApp<App>().ConfigureFonts(fonts =>{fonts.AddFont("OpenSans-Regular.ttf", "OpenSansRegular");fonts.AddFont("OpenSans-Semibold.ttf", "OpenSansSemibold");});#if DEBUGbuilder.Logging.AddDebug();
#endifbuilder.UseMauiCommunityToolkit();return builder.Build();}}
}
3 在MainPage.xaml.cs中新增代码：
private void ToastClicked(object sender, EventArgs e)
{CancellationTokenSource cancellationTokenSource = new CancellationTokenSource();string text = "弹出Toast";ToastDuration duration = ToastDuration.Short;double fontSize = 14;var toast = Toast.Make(text, duration, fontSize);toast.Show(cancellationTokenSource.Token);
}完整代码如下：
using CommunityToolkit.Maui.Core;
using CommunityToolkit.Maui.Alerts;
namespace MauiDemo2
{public partial class MainPage : ContentPage{int count = 0;public MainPage(){InitializeComponent();}private void ToastClicked(object sender, EventArgs e){CancellationTokenSource cancellationTokenSource = new CancellationTokenSource();string text = "弹出Toast";ToastDuration duration = ToastDuration.Short;double fontSize = 14;var toast = Toast.Make(text, duration, fontSize);toast.Show(cancellationTokenSource.Token);}}}
4 在MainPage.xaml编辑如下：
<?xml version="1.0" encoding="utf-8" ?>
<ContentPage xmlns="http://schemas.microsoft.com/dotnet/2021/maui"xmlns:x="http://schemas.microsoft.com/winfx/2009/xaml"x:Class="MauiDemo2.MainPage"><ScrollView><VerticalStackLayoutPadding="30,0"Spacing="25"><Buttonx:Name="ToastBtn"Text="弹Toast"Clicked="ToastClicked"HorizontalOptions="Fill" /></VerticalStackLayout></ScrollView></ContentPage>
5 在android模拟器中运行效果如下图：
