Some days ago when uploading my Windows app to the Store, I’ve got a strange error message : “A previous submission for this app was released with a Windows Phone 8.1 appxbundle. Subsequent submissions must…
WinJS
WinJS 2.0 / IE 11 : the new and shiny MutationObserver object
Let me introduce you a new feature of Internet Explorer 11 which is available in your Windows 8.1 apps too : the MutationObserver. This object lets you observe the changes on any HTML element of…
#WinRT : how to easily get the dominant color of a picture
“Content before Chrome” is the Leitmotif of Windows Store Apps. You’ll usually end up using a lot of images in your app and getting the dominant color of a picture may actually be useful. My…
Windows 8.1 : let’s discover the Scheduler of #WinJS
Windows 8.1 comes with a new feature in the WinJS SDK : a scheduler. Let’s see what it is and how to use it! In Windows 8, every job is nearly done as soon as…
[WinRT] How to get the language code actually used to resolve a resource
I am working on an app with a lot of different languages. This is really great because there is a lot more chances that the user get the app in its spoken tongue. You can…
WinJS : use the same data in the zoomed out and zoomed in view.
The Semantic zoom let you display your data in a zoomed out and zoomed in way. It’s really fine when your data is grouped but sometimes you need to display a non-grouped data just in…
[Win8] The cached file updater contract or how to make more useful the File Save Picker contract
As you can read on MSDN, there is in fact a lot of contracts available for a Windows 8 app. Today, I want to describe one which is very useful for the Dropbox client I…
WinRT : do no display the logo of your app on notifications
Live tiles and notifications are a key part of a Windows 8 nice app. Today I struggled with this feature : I (just) wanted to hide the logo of the app on my notifications. The…
#WinJS : how to post a message from an iFrame to your #Win8 app
Sometimes, you display information in an iframe and you need to communicate it back to your Windows 8 app. You may think like I did “just navigate to a specific page with the arguments in…
Win8 App : stream videos from a Windows Azure Blob storage
Videos are everywhere and specially in Windows 8 app. Using a Windows Azure’s blob to store them is a good solution and this what we choose in on of the app we build in my…
My book (french)
Extras
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