Windows 8, launching on October 26, 2012, presents a significant opportunity for developers, with over 630 million Windows 7 licenses eligible for upgrade. The document outlines a 30-day plan for creating a Windows 8 app, offering resources, expert consultations, and design tips. Additionally, it highlights the new Metro-style UI designed for touch and multiple form factors, showcasing its development ecosystem that supports various programming languages.

3. The largest opportunity
for today’s Generation
of Application Developers
Windows 8 ships on October 26, 2012.
630M+ Windows 7 licenses have been sold
to date – all upgradeable to Windows 8.
Windows 8 represents the single biggest
developer opportunity for any platform.
Millions of developers are taking advantage
of this opportunity.
Will you?

4. YOUR IDEA. Get Ready!
YOUR APP .
Week 1 App design
Week 2 Coding your app
30 DAYS.
Week 3 Making your app shine
Week 4 Get published
You can develop a Windows 8 app in 30 days—
and we’re here to help.
• Insider tips and tricks on Windows 8 application development.
• Personal on-the-phone access to a Windows 8 architect*.
• An exclusive one-on-one Metro style design consultation*.
• An opportunity to get expert help from a Microsoft Services Engineer at an App Excellence Lab.
Sign Up http://aka.ms/EdWin8

5. http://win8hackathonduke.eventbrite.com

8. demo

21. demo

23. App gets 5s to handle App is not notified
suspend before termination
User
Launches
App
Apps are notified when
they have been resumed
Splash
screen

26. Capabilities Seamless data Performant
driven access Native platform
High isolation Data Roaming

31. demo

41. Windows Phone Developer blog, March 2011

44. // get current product
var currentProduct = Windows.ApplicationModel.Store.CurrentProduct;
// get the license information
var licenseInformation = currentProduct.licenseInformation;
// check to see if the user has an active non-trial license
if (licenseInformation.isTrial) {
// user has trial version of the application
// prompt them to purchase before so we can enable full functionality
currentProduct.requestAppPurchaseAsync().then(
function () {
// Purchase succeeded
});
}

45. private async void ConvertTrial()
{
var licenseInformation = CurrentApp.LicenseInformation;
licenseInformation.LicenseChanged += licenseInformation_LicenseChanged;
if (licenseInformation.IsTrial)
await CurrentApp.RequestAppPurchaseAsync();
}
void licenseInformation_LicenseChanged()
{
if (CurrentApp.LicenseInformation.IsActive)
{
//Enable features..
}
}

46. // can’t do in-app purchase in trial mode, must convert first
if (!appLicensingInformation.isTrial) {
//load the listings with all the products
currentApp.loadListingInformationAsync().then(
function (listing) {
//lookup a specific product
var product1 = listing.productListings.lookup("product1");
if (!product1.isActive) {
// purchase
currentApp.requestProductPurchaseAsync("product1“, false ).then(
enableProduct1 );
}
});

47. var licenseInformation = CurrentApp.LicenseInformation;
var productLicense = licenseInformation.ProductLicenses["product1"];
if (!productLicense.IsActive && licenseInformation.IsActive )
{
try
{
await CurrentAppSimulator.RequestProductPurchaseAsync("product1“, false);
// No exception: enable product1
}
catch (Exception)
{
//product 1 was not purchased
}
}

50. 1 2 3
www.windowsadvertising.com

51. 1 2 3
www.windowsadvertising.com

58. As of March 2012, IDC

61. A new Metro style UI where touch is a first-class Designed from the chipset up for multiple form-
citizen along with full mouse-and-keyboard factors – tablets, laptops, desktops & all-in-ones
support
The Windows Store on every device with a full New development models built on WinRT, including
commerce platform and flexibility native support for HTML/CSS/JS, C#/XAML,
C++/DirectX