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We wil do this using DirectX and Unity.
As you can see in this video, the “context” of the leaved Windows is kept : the scroll position does not change.
Since a long time now, you can open a new Windows from a Windows Store app (UWP or Universal). For instance, the Mail app does this to let you edit an email in another dedicated window.
To perform this, you have to ask the SDK to create a new View (CoreApplicationView) which maps to a Window (CoreWindow) and an associated Dispatcher. This last point is interesting because you have to be very careful, when you share your ViewModels between windows, to be on the good Dispatcher when raising INotifyPropertyChanged event or doing some UI-related work.
Here is the code to create a Window :
// récupération de l'id courant pour usage ultérieur var appViewId = ApplicationView.GetForCurrentView().Id; //Create a new view \o/ CoreApplicationView newCoreAppView = CoreApplication.CreateNewView(); await newCoreAppView.Dispatcher.RunAsync( Windows.UI.Core.CoreDispatcherPriority.Low, () => { //Get the created Windows Window window = Window.Current; ApplicationView newAppView = ApplicationView.GetForCurrentView(); // create a new frame and navigate to the page var secondFrame = new Frame(); window.Content = secondFrame; secondFrame.Navigate(typeof(MainPage)); // activate the new Window window.Activate(); // make the new window standalone ApplicationViewSwitcher.TryShowAsStandaloneAsync(newAppView.Id, ViewSizePreference.UseMore, appViewId, ViewSizePreference.Default); });
By providing no argument to the CreateNewView method, we ask the XAML framework to create and manage a XAML UI.
We could also provide an argument of type IFrameworkViewSource to be able to have our own Window managed by our code. This is what DirectX does and it will let us create holograms !
By using the “HolographicDirectXApp” Visual Studio sample, I have all I need to create and display a 3D rotating cube by. The generated code creates an instance of IFrameworkView using DirectX. The sample use SharpDX, some C# classes and shaders that I can simply copy/Paste directly in a new XAML UWP project.
I then only have to use the previous snippet and ask it to use the DirectX AppView.
I have to carefully :
Of course, as all 3D holographic view, my start screen and the 2D View will disappear to let only the 3D objects in my space.
An Unity app being an UWP app the code to write will be very similar. We will only have to customize the generated Unity code to stay in a 2D World instead of going directly to the 3D exclusive View.
To be in the right configuration, I generate a XAML project instead of a Direct3D player in Unity. I then have this :
To have a “standard” Xaml project, I then perform these modifications :
The next steps are easy : I create a new Window, add a frame in it and navigate to the MainPage. I use exactly the same snippet as before and I only have to register an event handler to the activation of the created Window to be able to initialize Unity then. I also store the main view’s Id for further use.
private async Task CreateNewHoloWindowAsync() { var appViewId = MainAppViewId = ApplicationView.GetForCurrentView().Id; var _newCoreAppView = CoreApplication.CreateNewView(); await _newCoreAppView.Dispatcher .RunAsync(CoreDispatcherPriority.Low, async () => { var frame = new Frame(); Window.Current.Content = frame; frame.Navigate(typeof(MainPage)); var res = await ApplicationViewSwitcher.TryShowAsStandaloneAsync( ApplicationView.GetForCurrentView().Id, ViewSizePreference.Default, appViewId, ViewSizePreference.Default); _newCoreAppView.CoreWindow.Activated += WindowActivated; _newCoreAppView.CoreWindow.Activate(); }); } private void WindowActivated(object sender, WindowActivatedEventArgs e) { if (e.WindowActivationState == CoreWindowActivationState.CodeActivated || e.WindowActivationState == CoreWindowActivationState.PointerActivated) { AppCallbacks.Instance.SetInitialViewActive(); // Only need to mark initial activation once so unregister ourself CoreWindow coreWindowSender = sender as CoreWindow; coreWindowSender.Activated -= WindowActivated; } }
To go back to the 2D XAML view, you have to use the ApplicationViewSwitcher class and ask it to go switch back to the main Window.
I provide my Unity’s code an Action (GoBackToEarth.CloseThisHolographicView) it can call when needed.
// let's capture the dispatcher of the current view var dispatcher = Dispatcher; GoBackToEarth.CloseThisHolographicView = () => { // be sure to be on the Window's Dispatcher dispatcher.RunIdleAsync(async _ => { // go back to the main Window await ApplicationViewSwitcher.SwitchAsync(StartupPage.MainAppViewId); // we close the 3D holographic Window Window.Current.Close(); }); };
Happy coding !
]]>When you build an app, you can choose to translate it and add ressource dedicated to a special environments. Images/Logo specific to each pixel density plateau is one example of it. If you create bundles, your final package uploaded on the Store will be one “main” package and satellite package for each “specific target”.
It also means that the user will download only what is necessary to their devices : less bandwith used, smaller apps : happy users !
Creating app’s bundle is easy, in the last step of the Visual Studio package wizard, you choose either “If Necessary” or “Always”.
Choosing to use app bundles has some consequences. The one which I was not happy with was that you won’t be able to let the user choose the language of your app since only the languages installed on it’s device will be available.
In my last update of TV Show Tracker, I wanted to let this freedom to my users so I used the wizard and choose to never create a bundle. I uploaded my package to the Store and I then get the previously mentionned error
The solution is then to create my own app bundle with the SDK tools and upload it to the Store.
Here are the steps :
makeappx bundle /p NameOfTheCreatedBundle.appxbundle /d FolderWithTheAppxInside
The name of the bundle can be anything as the name of the folder with the appx inside.
The whole app with all ressources will now be downloaded by my users. This can be frightening : how much more will they have to download ? Let’s take a look inside the app bundle…
So an user on a standard density pixels, english phone will now download the not used “scale-140” assets, the “scale-180” assets and french language : 300 more kb –> 2,85 %. So for 2,85% more package size, my user will be able to choose the language of their app. That’s ok for me
Happy coding !
]]>
The GetPixelDataAsync method of the BitmapDecoder class lets you get the pixels of a given picture and you can apply transformations during the process. I will the simply ask it to resize the image to a simple unique pixel. The resulting pixel will be the dominant color of the image.
[csharp]
//get the file
var file = await StorageFile.GetFileFromApplicationUriAsync(myLocalImageUri);
using (var stream = await file.OpenAsync(FileAccessMode.Read))
{
//Create a decoder for the image
var decoder = await BitmapDecoder.CreateAsync(stream);
//Create a transform to get a 1×1 image
var myTransform = new BitmapTransform { ScaledHeight = 1, ScaledWidth = 1 };
//Get the pixel provider
var pixels = await decoder.GetPixelDataAsync(
BitmapPixelFormat.Rgba8,
BitmapAlphaMode.Ignore,
myTransform ,
ExifOrientationMode.IgnoreExifOrientation,
ColorManagementMode.DoNotColorManage);
//Get the bytes of the 1×1 scaled image
var bytes = pixels.DetachPixelData();
//read the color
var myDominantColor = Color.FromArgb(255, bytes[0], bytes[1], bytes[2]);
}
[/csharp]
The code is extremely simple: open the file, open its stream, create a BitmapDecoder, grab the pixels applying the transform and read the color.
This was good old times and these issues are gone in Windows 8.1 : youpi !
Let’s digg a little more
Windows 8 theme resources are provided using StaticResource and so can’t be updated at runtime. The resources are loaded once at the app startup and even if you update it, the controls won’t update themselves because the StaticResource provide the value once and only once : when parsed.
Now comes a new markup extension named ThemeResource. You can use it like the StaticResource object but this special resource will update the targeted control if the Theme of the control is updated. You can see it as the DynamicResource in WPF but only for some “theme” resource and triggered only by a theme change.
Of course, all the template of the frameworks are now using this new feature and you are free (must ) use it in your own controls. You can actually use it anywhere in your XAML :
[xml]
<Border RequestedTheme="Light"
Background="{ThemeResource ApplicationPageBackgroundThemeBrush}">
</Border>
[/xml]
In Windows 8 you had to set the RequestedTheme property at launch (in the constructor of you app for example) and it could be set only once.
Now this is a property of the FrameworkElement class which is the base class for any control. The value will be inherited by all its children (this is actually done because it overrides values in the resource dictionary which will be available to the children of the control).
In this sample I override the theme twice in the same visual tree :
[xml]
<StackPanel RequestedTheme="Light"
Background="{ThemeResource ApplicationPageBackgroundThemeBrush}">
<TextBlock Text="Hello World !" />
<Border RequestedTheme="Dark"
Background="{ThemeResource ApplicationPageBackgroundThemeBrush}">
<TextBlock Text="Another theme" />
</Border>
</StackPanel>
[/xml]
It then produce this view :
Be aware that this is a “low priority” setting and that all the styles, directly set attributes/properties, triggers, animations and even implicit styles are winning over it.
You can read this post in french too.
You can find more by exploring the “XAML requested theme sample (Windows 8.1)” of the samples pack provided by Microsoft.
Have a nice code
]]>Then I wanted to get a basic information : the language used by the app. Let’s say that the user is spanish and that I didn’t translate my app for this tongue then the app could be in english because it’s the one tongue matching the best its preference. The “english” won’t necessary be the first language declared in my manifest but the best one for the user.
By using a ResourceLoader object, you can get any string in the right language but I didn’t find an easy way to get the actually used language.
By digging into the WinRT APIs, I found a way to get this information and it could help you.
The trick is to use the MainResourceMap of the app to retrieve a resource candidate for a resource key I know being in all my resources files. With this ResourceCandidate, I can get the ResourceQualifier which made the framework choose this resource. On this qualifier, I can then retrieve the name of the used language…
[csharp]
//I have a resource file named "Resources" for each my language
// and each one has a ‘AResource’ object in it.
var namedResource = ResourceManager.Current.MainResourceMap
.FirstOrDefault(nR => nR.Key == "Resources/AResource").Value;
//I resolve this resource
var resourceCandidate = namedResource.Resolve();
//The qualifier let me know the used language code.
var resourceQualifier= resourceCandidate.Qualifiers.FirstOrDefault();
var languageCode = resourceQualifier.QualifierValue;
[/csharp]
You can also get interesting information from the resourceCandidate object :
An interesting thing is that you can also know the score of the retrieved resourceCandidate in the resource-matching algorithm used by the framework. It’s the Score property of the ResourceCandidate.
An another solution is to put the language code of each resource file inside the resource. Then you could use the ResourceLoader to get it.
I also tried to use the ApplicationLanguages.ManifestLanguages list but with this API I can get the language declared in my manifest, not the one actually used by the app.
Same thing with ApplicationLanguages.Languages which let me know the user defined languages but not the one actually used by the app.
Do you know a better way ?
]]>However it can be hard sometimes and in this post I will describe how you can create something I first thought it will be easy : a wrapping text with hyperlinks in it.
Something like this :
As you will read, this is not as straightforward as I thought.
I tried a few things before to make it works the way I want to.
Did you remember Silverlight (:p) ? I do and especially the Hyperlink element that you can use in Textblock :
[xml]
<TextBlock IsReadOnly="True">
<Run> Displaying text with</Run>
<Hyperlink NavigateUri="http://www.infinitesquare.com"
TargetName="_blank">hyperlink</Hyperlink>
<Run>.</Run>
</TextBlock >
[/xml]
It’s really nice but…. there is no hyperlink element in the Windows8 Xaml framework… too bad
There is in fact no such thing in the Windows 8 Xaml Framework so this is a dead end
My third idea was to create a textblock with runs and Underline element to recreate the same display.
Then I can register myself to the Tapped event and grab the tapped run and then open the matching links.
I would then create something like this :
[xml]
<TextBlock>
<Run Text="Cupcake ipsum dolor. Sit amet I love croissant fawork" />
<Run Text=" " />
<Underline FontFamily="Segoe UI">
<Run Foreground="#FFFF1BF5"
Text="I love ice cream" />
</Underline>
<Run Text=". Chocolate ice cream soufflé pastry." />
<Run Text=" Bear claw chocolate tart brownie apple pie." />
<LineBreak />
<LineBreak />
<Run Text="Pastry sesame snaps cotton candy jelly-o marzipan pastry" />
<Run Text=" cake I love faworki. Wypas I love jelly." />
<Underline FontFamily="Segoe UI">
<Run Foreground="#FFFF1BF5"
Text="I love toffee macaroon chocolate bar." />
</Underline>
</TextBlock>
[/xml]
[csharp]
private void MyTexBlock_OnTapped(object sender, TappedRoutedEventArgs e)
{
var run = e.OriginalSource;
}
[/csharp]
The problem here is that the OriginalSource element is in fact the TextBlock itself and not the Run or the Underline element I created. So there is no way to know which link the user touched but only it touched the TextBlock somewhere.
After these failures, I decided to use a weapon of mass destruction : a RichTextBlock and a InlineUIContainer element.
You can’t just add Run inside a RichTextBlock but instead, you have to create one (or more) root paragraph element.
The InlineUIContainer lets you put any FrameworkElement you want inside a document(the content of the Paragraph). You can then register handlers to the events of this FrameworkElements as you would have in any Xaml UI.
In the code snippet below, I register myself to Tapped event of the Textblock I insert in my paragraph :
[xml]
<RichTextBlock IsTextSelectionEnabled="False">
<Paragraph>
<Run Text="Cupcake ipsum dolor. Sit amet I love croissant fawork" />
<Run Text=". " />
<InlineUIContainer>
<Border Background="#FFF1EFEF">
<TextBlock Tapped="OnLinkTapped" Foreground="#FFFF1BF5"
TextWrapping="Wrap"> <Underline>
<Run Text="I love ice cream, to write very long text " />
<Run Text="and to take some screenshots." />
</Underline>
</TextBlock>
</Border>
</InlineUIContainer>
<Run Text="A Chocolate ice cream soufflé pastry. " />
<Run Text="Bear claw chocolate tart brownie apple pie." />
</Paragraph>
</RichTextBlock>
[/xml]
Wonderful… wait … oh no… there is still one issue : the paragraph element will consider the InlineUIContainer as “whole block” and not as “text” and then it will wrap strangely your content. In this screenshot, I added a gray border around my TextBlock show this behavior to you :
I finally found one hack and if you know a better way, please tell me in the comment which one it is
My solution is to use the RichTextBlock’s tapped event and its GetPositionFromPoint method. This method returns a TextPointer for a given position of your RichTextBlock. This TextPointer object has a Parent property which is the TextElement (Run, Underline, Span, etc…) the user clicked on : exactly what we want !
My Xaml then look like this :
[xml]<RichTextBlock IsTextSelectionEnabled="False"
Margin="30"
Width="600"
TextAlignment="Justify"
FontSize="40"
TextWrapping="Wrap"
Tapped="UIElement_OnTapped">
<Paragraph>
<Run Text="Cupcake ipsum dolor. Sit amet I love croissant fawork" />
<Run Text=". " />
<Underline x:Name="LinkToInfiniteSquare"
Foreground="#FFFF1BF5">
<Run Text="I love ice cream, to write very long text " />
<Run Text="and to take some screenshots." />
</Underline>
<Run Text="A Chocolate ice cream soufflé pastry. " />
<Underline x:Name="LinkToMyBlog"
Foreground="#FFFF1BF5">
<Run Text="Bear claw chocolate tart brownie apple pie." />
</Underline>
</Paragraph>
</RichTextBlock>
[/xml]
The last part is to walk trough the parents of the clicked/touched element to find out its Underline parent, read its name and launch the correct action.
[csharp]
private void UIElement_OnTapped(object sender, TappedRoutedEventArgs e)
{
var richTB = sender as RichTextBlock;
var textPointer = richTB.GetPositionFromPoint(e.GetPosition(richTB));
var element = textPointer.Parent as TextElement;
while (element != null && !(element is Underline))
{
if (element.ContentStart != null
&& element != element.ElementStart.Parent)
{
element = element.ElementStart.Parent as TextElement;
}
else
{
element = null;
}
}
if (element == null) return;
var underline = element as Underline;
if (underline.Name == "LinkToInfiniteSquare")
{
Launcher.LaunchUriAsync(new Uri("http://www.infinitesquare.com"));
}
else if (underline.Name == "LinkToMyBlog")
{
Launcher.LaunchUriAsync(new Uri("http://www.jonathanantoine.com"));
}
}
[/csharp]
By the way, I can not use a TextBlock element because it does not have the GetPositionFromPoint method.
(Please don’t tell me to do it in HTML/JS :p)
The source code is available here.
]]>It can be hard to debug the injected Javascript when you are used to the great debugging experience of VS2012 and loose it.
In fact, there is one little, simple, really easy thing to do which will save you a lot of time…
The first thing I tried to do was to create a “fake” HTML element and dump my message into the DOM. That was not the best possible experience because I was loosing the “debugging” experience (pause, display values, etc.) but I was able to have some information at least.
Then an idea struck my mind : why not changing the debugger type as I do when I debug C++/CX apps ? That was the solution!
To have the same user experience than the one in WinJS apps or classic web app, you just have to set the debugger type to “script” in your app project.
Even the Dom Explorer is available to find out elements in your page.
I knew that Visual Studio was a really great IDE but I think that this kind of feature is just awesome and enable us to have the best possible productivity.
]]>Today, I want to describe one which is very useful for the Dropbox client I work on (8 Files In A Box) : The Cached File Updater contract.
As you will see, it can be really useful with the FileSavePicker contract.
First of all :
The code of this blog post is available here.
The Cached File Updater contracts simply declare that your app is responsible for the management of one or many of its files. This is really useful for ‘file management apps’.
You can usethe “CachedFileUpdater” to do some really interesting things :
I refer to “a file” but this can be done on any file of your app.
Using this contract is done in 4 steps, one being optional.
The first thing, as for any contracts is to declare the contract in the app manifest. Simply add it :
When you create a file in your app, you can define some triggers on it using the CachedFileUpdater.SetUpdateInformation method. This is a simple call and it takes 5 arguments :
Here is an example which ask your app to be activated after an another app writes on your file :
[csharp]CachedFileUpdater.SetUpdateInformation(fileCreated,
"A content id to identify the file.",
ReadActivationMode.NotNeeded,
WriteActivationMode.AfterWrite,
CachedFileOptions.None);
[/csharp]
Once this is done, you can override the OnCachedFileUpdaterActivated method of your application. The provided arg will give you a propertie “CachedFileUpdaterUI” with some interesting information :
When you don’t have to show any UI to the user, you’ll simply have to grab the file when the FileUpdateRequested event is raised and do something with the file. If the local file have to be updated, you can call the UpdateLocalFile method and provide an up to date file.
Also, you have to set the “args.Request.Status” depending of the success of the operation (in our case to FileUpdateStatus.Complete).
Here is an example :
[csharp]
protected override void
OnCachedFileUpdaterActivated(CachedFileUpdaterActivatedEventArgs args)
{
args.CachedFileUpdaterUI.FileUpdateRequested
+= OnCachedFileUpdaterUIFileUpdateRequested;
base.OnCachedFileUpdaterActivated(args);
//do not forget this
Window.Current.Activate();
}
void OnCachedFileUpdaterUIFileUpdateRequested(CachedFileUpdaterUI sender,
FileUpdateRequestedEventArgs args)
{
var deferral = args.Request.GetDeferral();
var theContentId = args.Request.ContentId;
var theTargetFile = args.Request.File;
//Do something to the file
//If the local file have to be updated, call do this :
//StorageFile upToDateFile=null;
//fill upToDateFile with the correct data
//args.Request.UpdateLocalFile(upToDateFile);
args.Request.Status=FileUpdateStatus.Complete
deferral.Complete();
}
[/csharp]
If the update process needs it, you can ask the user for some input.
To do so, you have to tell it in the FileUpdateRequested event handler using the args.Request.Status and set it to FileUpdateStatus.UserInputNeeded.
[csharp]
if (sender.UIStatus == UIStatus.Hidden)
{
args.Request.Status = FileUpdateStatus.UserInputNeeded;
//Can set a custom title
sender.Title = "Requiring input for : " + args.Request.ContentId;
return;
}
[/csharp]
The UIRequested event is then raised and you have to set the content of the Window to your specific UI in the handler. Don’t forget to do it in the right thread.Don’t forget to do it in the right thread : create the page in the first activation event and use the page Dispatcher to set the content.
[csharp]
void CachedFileUpdaterUI_UIRequested(CachedFileUpdaterUI sender, object args)
{
_specificUIPage.Dispatcher.RunAsync(
CoreDispatcherPriority.Normal,
() => { Window.Current.Content = _specificUIPage; });
}
[/csharp]
The FileUpdateRequested event will then be raised once more to inform you that the UI is visible. In the handler, you have to grab the event args and pass it to your UI. The UI will then be responsible to set the Request Status to the correct value. In my case, I save the args as a static field of my application.
[csharp]
public static FileUpdateRequestedEventArgs FileUpdateRequestedEventAr
void OnCachedFileUpdaterUIFileUpdateRequested(
CachedFileUpdaterUI sender, FileUpdateRequestedEventArgs args)
{
bool showSpecificUI = false;
FileUpdateRequestedEventArgs = args;
var deferral = args.Request.GetDeferral();
if (sender.UIStatus == UIStatus.Hidden)
{
args.Request.Status = FileUpdateStatus.UserInputNeeded;
//Can set a custom title for the UI
sender.Title = "Requiring input for : "
+ args.Request.ContentId;
deferral.Complete();
return;
}
if (sender.UIStatus == UIStatus.Unavailable)
{
//failure
args.Request.Status = FileUpdateStatus.Failed;
deferral.Complete();
return;
}
if (sender.UIStatus == UIStatus.Visible)
{
//Do nothing, the UI will do it for us.
return;
}
}
[/csharp]
In my UI, I simply set the status and complete the deferral when the user click on a button:
[csharp]
private void ButtonBase_OnClick(object sender, RoutedEventArgs e)
{
App.FileUpdateRequestedEventArgs
.Request.Status = FileUpdateStatus.Complete;
App.FileUpdateRequestedEventArgs
.Request.GetDeferral().Complete();
}
[/csharp]
In 8 Files In A Box, the Dropbox client for Windows 8, we wanted to be able to save a file and to upload it directly to the user Dropbox.
I first thought it was not possible : as soon as the file save picker provide a file to the requesting app, my app is shut down by Windows 8 and I have :
Leonard one of my Infinite Square colleague demonstrated me that I was wrong (and that impossible is really not a French word:)).
It can in fact be done using the Cached File Updater contract :
Really simple in fact For those who best understand code (as me :)) here a code snippet :
[csharp]
protected override void
OnFileSavePickerActivated(FileSavePickerActivatedEventArgs args)
{
base.OnFileSavePickerActivated(args);
args.FileSavePickerUI.TargetFileRequested
+= FileSavePickerUI_TargetFileRequested;
}
async void FileSavePickerUI_TargetFileRequested(
FileSavePickerUI sender,
TargetFileRequestedEventArgs args)
{
var fileCreated = await ApplicationData.Current
.TemporaryFolder.CreateFileAsync("ThisIsACoolFileName");
CachedFileUpdater.SetUpdateInformation(fileCreated,
"A content id to identify the file.",
ReadActivationMode.BeforeAccess,
WriteActivationMode.AfterWrite,
CachedFileOptions.None);
args.Request.TargetFile = fileCreated;
}
[/csharp]
At first, I did not manage to make it works : the OnCachedFileUpdaterActivated method was called but the OnCachedFileUpdaterUIFileUpdateRequested event was never raised.
After some research on the internet, I finally found that the Windows.Current.Activate() call to activate your app is really necessary : do not forget it !
Finally, I just want to remind you that the app requesting the file is responsible to let Windows know that it has no more use of the file (the write is done). So if your app is not activated, it could be because the requesting app is simply not asking you to update the file.
If you are using (not implementing but using) the FileSavePicker, please calls the CachedFileManager methods like in this snippet from the file picker sample :
[csharp]
// Prevent updates to the remote version of the file until we
// finish making changes and call CompleteUpdatesAsync.
CachedFileManager.DeferUpdates(file);
// write to file
await FileIO.WriteTextAsync(file, file.Name);
// Let Windows know that we’re finished changing the file so the other
// app can update the remote version of the file.
// Completing updates may require Windows to ask for user input.
FileUpdateStatus status = await CachedFileManager.CompleteUpdatesAsync(file);
[/csharp]
When your app is activated, a Dispatcher is created for it. The CachedFileUpdaterUI use another Dispatcher and you have to be careful to be on the right dispatcher(yours) when updating your UI. For example when you set the content of your Windows, don’t forget to do it on your Dispatcher.
I let you digg into my attached code for a more complete example.
If you want another sample, you can download and use the File Picker sample on MSDN.
That’s all for today !
]]>The solution is really easy …
As pointed out on MSDN, you only have to set the branding attribute of the “binding” elements to ‘none’.
Here is an example :
[csharp]//LOGO
var xml = "<tile><visual>"
+ "<binding branding=’none’ template=’TileWideImage’>" +
"<image id=’1′ src=’ms-appx:///Assets/WideLogo.png’ alt=’8FilesInABox’/>" +
"</binding> "
+ " <binding branding=’none’ template=’TileSquareImage’>" +
"<image id=’1′ src=’ms-appx:///Assets/Logo.png’ alt=’8FilesInABox’/>" +
"</binding>"
+ "</visual></tile>";[/csharp]
Why did I need this in the first place ? Just to be able to alternate the logo of my app with one notification. I hate no to be able to find my app because there is only notifications displayed and not its logo.
Other options
You can also use the ‘name’ value to force the name of the app to be displayed instead of the logo.
You can now see this live in this beautiful Dropbox client for Windows 8 : 8FilesInABox !
]]>Today, I struggled a lot doing something basic : translating in french the text of the “error view” in the player framework.
As usual, there is an easy solution !
I tried a lot of things, but none of it has done the job :
Finally, I downloaded the source code of the player framework and I noticed that there is a ResourceLoader property on the MediaPlayer class. This is the resource loader used to get all the strings of the MediaPlayer.
So the solution is easy : just copy the resource file of the player framework and customize it for your application. As this is a static property, you can do it once and for all in the App’s Loaded method.
Here is what I do in my app :
[csharp]MediaPlayer.ResourceLoader = new ResourceLoader("/Microsoft.PlayerFramework");[/csharp]
With this folder/file tree :
If you need to refresh your knowledge, you can also read my post on ressources. It targets WinJS but the basics are the same.
]]>