Windows 8 Development - First Look - CSharp

Transcript

2. Launch your Windows 8 App in 30 days  Generation App  Online training and tips from insiders  Tele-support with a Windows 8 architect  Exclusive one-on-one WinRT and Windows UX design consultation  Sign up at http://rj.cx/app_in_30_days
3. meetup.com/Win-App-Devs/
5. As of March 2012, IDC
9. demo
16. demo
19. C++ ImageEncodingProperties^ imageProperties = ref new ImageEncodingProperties(); imageProperties->Subtype = "JPEG"; imageProperties->Width = 320; imageProperties->Height = 240; auto opCapturePhoto = m_mediaCaptureMgr->CapturePhotoToStorageFileAsync(imageProperties, this->m_photoStorageFile); C# ImageEncodingProperties imageProperties = new ImageEncodingProperties(); imageProperties.Subtype = "JPEG"; imageProperties.Width = 320; imageProperties.Height = 240; await mediaCaptureMgr.CapturePhotoToStorageFileAsync(imageProperties, photoStorageFile); JavaScript var photoProperties = new Windows.Media.MediaProperties.ImageEncodingProperties(); photoProperties.subtype = "JPEG"; photoProperties.width = 320; photoProperties.height = 240; mediaCaptureMgr.capturePhotoToStorageFileAsync(photoProperties, photoStorage).then(…
27. App gets 5s to handle suspend App is not notified before termination Apps are notified when they have been resumed User Launches App Splash screen
30. Seamless data access Data Roaming Performant Native platform Capabilities driven High isolation
32. Unprecedented Reach Optimized for Discoverability Transparent Approval Process Flexible Business Models Maximizing Developer Revenue
33. Paid downloads, trials, and in-app purchases. You keep 70% of the first $25k, 80% of the rest Microsoft Confidential 33 Robust analytics for free, including demographics, reviews, referrals, and usage & performance statistics Use your own commerce engine and keep 100% or use the Windows Store’s full commerce platform The Windows Store Advertise with Microsoft Advertising or your preferred ad vendor.
35. Launch your Windows 8 App in 30 days  Generation App  Online training and tips from insiders  Tele-support with a Windows 8 architect  Exclusive one-on-one WinRT and Windows UX design consultation  Sign up at http://rj.cx/app_in_30_days
36. meetup.com/Win-App-Devs/
41. DllImport "avicap32.dll" "capCreateCaptureWindow" static extern int string int int int int int int int DllImport "avicap32.dll" static extern bool int MarshalAs UnmanagedType ref string int MarshalAs UnmanagedType ref string int // more and more of the same
43. using Windows.Media.Capture; var new CameraCaptureUI new Size var await CameraCaptureUIMode if var new BitmapImage await FileAccessMode
50. using Windows.Storage; using System; using System.IO; using System.Threading.Tasks; class Sample { static async Task WriteAsync(StorageFolder wrtfolder, string filename, string text) { var wrtFile = await wrtFolder.CreateFileAsync(filename); var wrtStream = await wrtFile.OpenAsync(FileAccessMode.ReadWrite); using (Stream stream = wrtStream.OpenWrite()) { using (var writer = new StreamWriter(stream)) { writer.WriteLine(text); } } } } native type native method managed type returned from a seemingly native method managed argument passed to native API native namespace C# feature
51. Windows Runtime Types Mapped Types Interop Helpers 99% of Windows* namespaces Int32, String, Boolean, IEnumerable<T>, IList<T>, Uri, etc. IBuffer / Byte[] IAsync* / Task* InputStream, OutputStream, Managed Types Tuple, List<T>, XDocument, DataContract, etc.
52. Windows Phone 7 Silverlight 5 .NET Framework 4.5 .NET Profile for Windows Store apps
56. FileOpenPicker picker = new FileOpenPicker(); picker.FileTypeFilter.Add("*"); StorageFile file = await picker.PickSingleFileAsync(); Windows.Storage.Streams.IInputStream inputStream = await file.OpenReadAsync(); System.IO.Stream stream = inputStream.AsStreamForRead(); System.IO.StreamReader reader = new StreamReader(stream); string contents = reader.ReadToEnd();
61. demo
64. var var
68. demo
69. // Windows.Storage.winmd (Windows Runtime API) public sealed class StorageFolder { public StorageFileViewOperation GetFilesAsync(); … }
70. // Windows.Storage.winmd (Windows Runtime API) public sealed class StorageFolder { public StorageFileViewOperation GetFilesAsync(); … } // Your code IReadOnlyList<IStorageFile> files = await folder.GetFilesAsync();
71. // Windows.Storage.winmd (Windows Runtime API) public sealed class StorageFolder { public StorageFileViewOperation GetFilesAsync(); … } // Your code IReadOnlyList<IStorageFile> files = await folder.GetFilesAsync(); // Compiler Generates awaiter = WindowsRuntimeSystemExtensions.GetAwaiter<IReadOnlyList<IStorageFile>>(this.folder.GetFilesAsync());
72. // Windows.Storage.winmd (Windows Runtime API) public sealed class StorageFolder { public StorageFileViewOperation GetFilesAsync(); … } // Your code IReadOnlyList<IStorageFile> files = await folder.GetFilesAsync(); // Compiler Generates awaiter = WindowsRuntimeSystemExtensions.GetAwaiter<IReadOnlyList<IStorageFile>>(this.folder.GetFilesAsync()); // System.Runtime.WindowsRuntime.dll (.NET API) public static class WindowsRuntimeSystemExtensions { public TaskAwaiter<TResult> GetAwaiter<TResult>(this IAsyncOperation<TResult> source); … }
75. demo
82. Launch your Windows 8 App in 30 days  Generation App  Online training and tips from insiders  Tele-support with a Windows 8 architect  Exclusive one-on-one WinRT and Windows UX design consultation  Sign up at http://rj.cx/app_in_30_days
83. • Windows 8 Camp in a Box - Includes more presentations and labs http://rj.cx/windows8campinabox • SDK Samples!!! - A TON of samples for http://j.mp/Visual-Studio-Express-2012 • Design resources http://rj.cx/sara_win8design
84. meetup.com/Win-App-Devs/
86.  With Over 630 Million Licenses in 200+ Countries, Windows Has Unrivaled Global Reach  Windows 8 Represents the Single Biggest Developer Opportunity for Any Platform  In order for your app to be available for the holiday rush, you need to get ready now!  Hundreds of Thousands of Developers Recognize the Opportunity, but…  Only Some Will Have the Advantage of These Programs
87. Launch your Windows 8 App in 30 days  Generation App  Online training and tips from insiders  Tele-support with a Windows 8 architect  Exclusive one-on-one WinRT and Windows UX design consultation  Sign up at http://rj.cx/app_in_30_days
88. Use Azure for your Windows Apps Sign up for your FREE 90 Day Azure trial http://aka.ms/TheCloud http://chriskoenig.net/azure
94. demo
98. demo
102. demo
106. demo
109. demo