[UWP] Background Task

출처 : https://www.youtube.com/watch?v=acO5LrTvYsw&t=624s

1. 추가 -> 새프로젝트

2. Runtime 구성 요소

3. Class1의 속성 -> class 이름 변경

4. 솔루션 빌드 -> 성공이 2개 뜨면 ok

5. 참조 추가 -> Agent.Backgroud 추가

6. Manifest 코드보기 

Menu

Agent.Background

Trigger.cs

using System; using System.Collections.Generic; using System.Linq; using System.Text; using System.Threading.Tasks; using Windows.ApplicationModel.Background; namespace Agent.Background { public sealed class Trigger : Windows.ApplicationModel.Background.IBackgroundTask { public void Run(IBackgroundTaskInstance taskInstance) { try { string value = Windows.Storage.ApplicationData.Current.LocalSettings.Values.ContainsKey("value") ? (string)Windows.Storage.ApplicationData.Current.LocalSettings.Values["value"] : string.Empty; StringBuilder template = new StringBuilder(); template.Append("<toast><visual version='2'><binding template='ToastText02'>"); template.Append("<text id='2'>TimeZoneChanged</text>"); template.AppendFormat("<text id='1'>{0}</text>", value); template.Append("</binding></visual></toast>"); Windows.Data.Xml.Dom.XmlDocument xml = new Windows.Data.Xml.Dom.XmlDocument(); xml.LoadXml(template.ToString()); Windows.UI.Notifications.ToastNotificationManager.CreateToastNotifier().Show(new Windows.UI.Notifications.ToastNotification(xml)); } catch { } } } }

Agent

MainPage.xaml

<Page x:Class="Agent.MainPage" xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation" xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml" xmlns:local="using:Agent" xmlns:d="http://schemas.microsoft.com/expression/blend/2008" xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006" mc:Ignorable="d"> <Grid Background="{ThemeResource ApplicationPageBackgroundThemeBrush}"> <TextBox Margin="10" VerticalAlignment="Top" Name="Value"/> </Grid> <Page.BottomAppBar> <AppBar IsOpen="True" IsSticky="True"> <StackPanel Orientation="Horizontal"> <AppBarButton Icon="Save" Label="Save" Click="AppBarButton_Click"/> <AppBarButton Name="Toggle" Icon="Play" Label="Start Agent" Click="Toggle_Click"/> </StackPanel> </AppBar> </Page.BottomAppBar> </Page>

MainPage.xaml.cs

using System; using System.Collections.Generic; using System.IO; using System.Linq; using System.Runtime.InteropServices.WindowsRuntime; using Windows.Foundation; using Windows.Foundation.Collections; using Windows.UI.Xaml; using Windows.UI.Xaml.Controls; using Windows.UI.Xaml.Controls.Primitives; using Windows.UI.Xaml.Data; using Windows.UI.Xaml.Input; using Windows.UI.Xaml.Media; using Windows.UI.Xaml.Navigation; // 빈 페이지 항목 템플릿은 http://go.microsoft.com/fwlink/?LinkId=402352&clcid=0x409 에 문서화되어 있습니다. namespace Agent { /// <summary> /// 자체적으로 사용하거나 프레임 내에서 탐색할 수 있는 빈 페이지입니다. /// </summary> public sealed partial class MainPage : Page { public Library Library = new Library(); private void toggleButton(bool value) { if(value) { Toggle.Icon = new SymbolIcon(Symbol.Stop); Toggle.Label = "Stop Agent"; } else { Toggle.Icon = new SymbolIcon(Symbol.Play); Toggle.Label = "Start Agent"; } } public MainPage() { this.InitializeComponent(); } private void AppBarButton_Click(object sender, RoutedEventArgs e) { Library.Save(Value.Text); } private async void Toggle_Click(object sender, RoutedEventArgs e) { toggleButton(await Library.Toggle()); } } }

Package.appxmanifest

<?xml version="1.0" encoding="utf-8"?> <Package xmlns="http://schemas.microsoft.com/appx/manifest/foundation/windows10" xmlns:mp="http://schemas.microsoft.com/appx/2014/phone/manifest" xmlns:uap="http://schemas.microsoft.com/appx/manifest/uap/windows10" IgnorableNamespaces="uap mp"> <Identity Name="87fc242e-53de-4acc-9971-0ea824c27de3" Publisher="CN=ljyeo" Version="1.0.0.0" /> <mp:PhoneIdentity PhoneProductId="87fc242e-53de-4acc-9971-0ea824c27de3" PhonePublisherId="00000000-0000-0000-0000-000000000000"/> <Properties> <DisplayName>Agent</DisplayName> <PublisherDisplayName>ljyeo</PublisherDisplayName> <Logo>Assets\StoreLogo.png</Logo> </Properties> <Dependencies> <TargetDeviceFamily Name="Windows.Universal" MinVersion="10.0.0.0" MaxVersionTested="10.0.0.0" /> </Dependencies> <Resources> <Resource Language="x-generate"/> </Resources> <Applications> <Application Id="App" Executable="$targetnametoken$.exe" EntryPoint="Agent.App"> <uap:VisualElements DisplayName="Agent" Square150x150Logo="Assets\Square150x150Logo.png" Square44x44Logo="Assets\Square44x44Logo.png" Description="Agent" BackgroundColor="transparent"> <uap:DefaultTile Wide310x150Logo="Assets\Wide310x150Logo.png"/> <uap:SplashScreen Image="Assets\SplashScreen.png" /> </uap:VisualElements> <Extensions> <Extension Category="windows.backgroundTasks" EntryPoint="Agent.Background.Trigger"> <BackgroundTasks> <Task Type="systemEvent"/> </BackgroundTasks> </Extension> </Extensions> </Application> </Applications> <Capabilities> <Capability Name="internetClient" /> </Capabilities> </Package>

Library.cs

using Windows.ApplicationModel.Background; using System.Linq; using Windows.Storage; using System.Threading.Tasks; using System; public class Library { private IBackgroundTaskRegistration registration; private bool started { get { return BackgroundTaskRegistration.AllTasks.Count > 0; } } public bool Init() { if(started) { registration = BackgroundTaskRegistration.AllTasks.Values.First(); return true; } else { return false; } } public void Save(string value) { ApplicationData.Current.LocalSettings.Values["value"] = value; } public async Task<bool> Toggle() { if(started) { registration.Unregister(true); registration = null; return false; } else { try { await BackgroundExecutionManager.RequestAccessAsync(); BackgroundTaskBuilder builder = new BackgroundTaskBuilder(); builder.Name = typeof(Agent.Background.Trigger).FullName; builder.SetTrigger(new SystemTrigger(SystemTriggerType.TimeZoneChange, false)); builder.Register(); registration = BackgroundTaskRegistration.AllTasks.Values.First(); return true; } catch { return false; } } } }

결과 화면