Windows 8 Store Apps Learning (69) Other: Custom splash screen,

Re-imagine Windows 8 Store Apps (69)-Other: Custom splash screen, program run location, keep screen lit, messagedialog, popupmenu

Author: WEBABCD

Introduced

Re-imagine the other Windows 8 Store Apps

Customizing the splash screen

Checks whether the currently rendered application is running locally or on a remote desktop or emulator

Keep the screen lit

Messagedialog-Information dialog box

PopupMenu-context Menu

Example

1. Show how to customize the splash screen

Feature/mysplashscreen.xaml

<page x:class= "XamlDemo.Feature.MySplashScreen" xmlns= "Http://schemas.microsoft.com/winfx/2006/xaml/presentat Ion "xmlns:x=" Http://schemas.microsoft.com/winfx/2006/xaml "xmlns:local=" using:XamlDemo.Feature "xmlns:d=" http ://schemas.microsoft.com/expression/blend/2008 "xmlns:mc=" http://schemas.openxmlformats.org/ markup-compatibility/2006 "mc:ignorable=" D "> <grid background=" #1b4b7c "> <grid.rowde finitions> <rowdefinition/> <rowdefinition height= "180"/> </grid.rowde finitions> <canvas grid.row= "0" > <image x:name= "splashimage" source= "/ASSETS/SPLASHSC"
            Reen.png "/> </Canvas> <stackpanel grid.row=" 1 "horizontalalignment=" Center "> <progressring isactive= "True"/> <textblock name= "lblmsg" I am a custom startup page, 1 seconds to jump to the home page "text=" 14.667 "margin=" 0 0 0 "/> </stackpanel&Gt </Grid> </Page>

Feature/mysplashscreen.xaml.cs

* * Demonstrates how to customize the splash screen * Associated code: override void Onlaunched in App.xaml.cs (Launchactivatedeventargs args) * Application scenario: * 1, AP The starting screen for P is a picture with a background color, it cannot be changed, * 2, but after the boot screen can refer to the boot screen to do a more rich custom boot screen * 3, after the custom splash screen display, you can do some initialization of the program, initialization completed before entering the main program * * * usin
G System.Threading.Tasks;
Using Windows.ApplicationModel.Activation;
Using Windows.foundation;
Using Windows.UI.Xaml;
    
Using Windows.UI.Xaml.Controls; Namespace Xamldemo.feature {public sealed partial class Mysplashscreen:page {* * * splashscree
         N-app's startup Screen object, in application event arguments in several event handlers, you can get the position information of the picture of the splash screen of * Imagelocation-app, return the Rect type Object 
    
        * Dismissed-app The event triggered when the startup screen is closed////App splash screen related information private splashscreen _splashscreen; Public Mysplashscreen () {this.
    
            InitializeComponent ();
        Lblmsg.text = "Customize the app's startup screen to see the demo of this page when you open the app"; }//Launchactivatedeventargs from override Vo in App.xaml.csID onlaunched (Launchactivatedeventargs args) public mysplashscreen (Launchactivatedeventargs args) { This.
    
            InitializeComponent ();
        Implementcustomsplashscreen (args); Private async void Implementcustomsplashscreen (Launchactivatedeventargs args) {//Window dimensions
    
            When a change occurs, readjust the custom boot screen Window.Current.SizeChanged + = current_sizechanged; Get information about the startup screen of the app _splashscreen = args.
    
            SplashScreen;
    
            The event triggered when the app's startup screen closes _splashscreen.dismissed + = splashscreen_dismissed;
            Get the location of the picture of the app startup screen and press this position to adjust the position of the picture of the custom splash screen Rect splashimagerect = _splashscreen.imagelocation;
            Splashimage.setvalue (Canvas.leftproperty, splashimagerect.x);
            Splashimage.setvalue (Canvas.topproperty, SPLASHIMAGERECT.Y);
            Splashimage.height = Splashimagerect.height;
    
       Splashimage.width = Splashimagerect.width;     Await Task.delay (1000);
            Turn off the custom startup screen and jump to the program homepage var rootframe = new Frame ();
            Rootframe.navigate (typeof (MainPage), args);
            Window.Current.Content = Rootframe;
        Window.Current.Activate ();
            } void Current_sizechanged (object sender, Windows.UI.Core.WindowSizeChangedEventArgs e) {
            Get the latest location for the picture of the app startup screen and press this position to adjust the position of the picture for the custom splash screen Rect splashimagerect = _splashscreen.imagelocation;
            Splashimage.setvalue (Canvas.leftproperty, splashimagerect.x);
            Splashimage.setvalue (Canvas.topproperty, SPLASHIMAGERECT.Y);
            Splashimage.height = Splashimagerect.height;
        Splashimage.width = Splashimagerect.width; } void Splashscreen_dismissed (SplashScreen sender, Object args) {}}}

App.xaml.cs

Protected async override void Onlaunched (Launchactivatedeventargs args)
{
    //display a custom splash screen, see feature/ MySplashScreen.xaml.cs
    if (args. Previousexecutionstate!= applicationexecutionstate.running)
    {
        XamlDemo.Feature.MySplashScreen Mysplashscreen = new XamlDemo.Feature.MySplashScreen (args);
        Window.Current.Content = Mysplashscreen;
    }
    
    Make sure the current window is active
    Window.Current.Activate ();
}

2. Demonstrates how to check whether the currently rendered application is running locally or running on a remote desktop or emulator

Feature/checkrunningsource.xaml.cs