■ Connectivity 클래스의 ConnectivityChanged 정적 이벤트를 사용해 네트워크 연결 변경시 처리하는 방법을 보여준다.
▶ MainPage.xaml
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<?xml version="1.0" encoding="utf-8" ?> <ContentPage x:Class="TestProject.MainPage" xmlns="http://schemas.microsoft.com/dotnet/2021/maui" xmlns:x="http://schemas.microsoft.com/winfx/2009/xaml"> <Label x:Name="label" HorizontalOptions="Center" VerticalOptions="Center" Text="" /> </ContentPage> |
▶ MainPage.xaml.cs
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using System.Text; namespace TestProject; /// <summary> /// 메인 페이지 /// </summary> public partial class MainPage : ContentPage { //////////////////////////////////////////////////////////////////////////////////////////////////// Constructor ////////////////////////////////////////////////////////////////////////////////////////// Public #region 생성자 - MainPage() /// <summary> /// 생성자 /// </summary> public MainPage() { InitializeComponent(); this.label.Text = GetMessage(Connectivity.Current.NetworkAccess, Connectivity.Current.ConnectionProfiles); Connectivity.ConnectivityChanged += connectivity_ConnectivityChanged; } #endregion //////////////////////////////////////////////////////////////////////////////////////////////////// Method ////////////////////////////////////////////////////////////////////////////////////////// Private //////////////////////////////////////////////////////////////////////////////// Event #region 연결 변경시 처리하기 - connectivity_ConnectivityChanged(sender, e) /// <summary> /// 연결 변경시 처리하기 /// </summary> /// <param name="sender">이벤트 발생자</param> /// <param name="e">이벤트 인자</param> private void connectivity_ConnectivityChanged(object sender, ConnectivityChangedEventArgs e) { this.label.Text = GetMessage(e.NetworkAccess, e.ConnectionProfiles); } #endregion //////////////////////////////////////////////////////////////////////////////// Function #region 메시지 구하기 - GetMessage(networkAccess, profileEnumerable) /// <summary> /// 메시지 구하기 /// </summary> /// <param name="networkAccess">네트워크 액세스</param> /// <param name="profileEnumerable">프로필 열거 가능형</param> /// <returns>메시지</returns> private string GetMessage(NetworkAccess networkAccess, IEnumerable<ConnectionProfile> profileEnumerable) { StringBuilder stringBuilder = new StringBuilder(); stringBuilder.AppendLine($"네트워크 액세스 : {networkAccess}"); stringBuilder.AppendLine( "연결 프로필"); foreach(ConnectionProfile profile in profileEnumerable) { stringBuilder.AppendLine($" {profile}"); } return stringBuilder.ToString(); } #endregion } |
