Win8 architecture for developers
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Windows 8 introduces three types of apps: desktop apps, Windows Store apps, and Phone 8 apps. Windows Store apps are built on the new WinRT API and can be developed using HTML5, JavaScript and CSS, or managed languages like C++, C#, and VB. They integrate with the OS using contracts and metadata and run in a sandboxed environment. Desktop apps continue to use existing languages like C++ and .NET but only run on x86/x64. Phone 8 apps use Silverlight and run on the phone version of the Windows core.
Win8 architecture for developers
- 1. Desktop Apps DirectX XAML HTML 5 Phone 8 Can only run on x86 & x64 C++, C# & VB JavaScript .NET for WinRT WinJS HTML JavaScri C or C++ C# or VB C# or VB Language Projection pt & CSS WinRT API’s Communicatio Graphics & Devices & Windows n & Data Media Printing Contracts Metadata & Namespace .NET or Internet Silverligh WinRT Core Win32 Silverligh Explorer t for WP t Windows 8 Core OS Services (Kernel, Drivers, etc…)
- 2. Kernel development is the same as Windows 7 with significant improvements Windows 8 Core OS Services (Kernel, Drivers, etc…)
- 3. Desktop Apps Can only run on x86 & x64 The apps you know & use today on Windows 7. These will still work on Windows 8 x86/x64. These will not work on ARM based CPU’s – the only exception is Office. Windows 8 Core OS Services (Kernel, Drivers, etc…)
- 4. Desktop Apps The development language Can only run on x86 & x64 that you use to build desktop apps today. You can still use these to build desktop apps that will run on Windows 8. HTML JavaScri C or C++ C# or VB pt & CSS The runtime that handles the language & gives you an API that your application uses. Internet .NET or Win32 Silverligh Explorer t Windows 8 Core OS Services (Kernel, Drivers, etc…)
- 5. Desktop Apps Windows Phone Can only run on x86 & x64 8 uses the Phone 8 same Core OS services as Windows 8. HTML JavaScri C or C++ C# or VB C# or VB pt & CSS Remember Windows Phone uses a subset of .NET named Silverlight for Windows Phone as the runtime. Internet .NET or Silverligh Win32 Silverligh Explorer t for WP t Windows 8 Core OS Services (Kernel, Drivers, etc…)
- 6. Desktop Apps Phone 8 Can only run on x86 & x64 The new API is WinRT that sits on top of the core OS services. Think of this like the .NET Framework. HTML JavaScri C or C++ C# or VB C# or VB pt & CSS WinRT API’s Communicatio Graphics & Devices & Contracts n & Data Media Printing .NET or Internet Silverligh WinRT Core Win32 Silverligh Explorer t for WP t Windows 8 Core OS Services (Kernel, Drivers, etc…)
- 7. Desktop Apps Apps built on top of the WinRT API are Can only run on x86 & x64 Phone 8 the new apps that we will focus on. They are called Metro Style Apps, or WinRT Apps or Windows Store Apps… A key feature of WinRT is the language we not really sure projection & metadata which allows the WinRT API to be consumed natively by the languages above it. HTML JavaScri C or C++ C# or VB C# or VB Language Projection pt & CSS WinRT API’s Communicatio Graphics & Devices & Windows n & Data Media Printing Contracts Metadata & Namespace .NET or Internet Silverligh WinRT Core Win32 Silverligh Explorer t for WP t Windows 8 Core OS Services (Kernel, Drivers, etc…)
- 8. Desktop Apps UI built in HTML 5 & CSS 3 HTML 5 Can You can on x86apps using only run build & x64 Phone 8 the modern web Code in JavaScript & use development technologies. JavaScript your favourite JS libraries (for example jQuery) WinJS Additional core API functions via WinJS library. HTML This library does not work JavaScri C or C++ C# or VB C# or VB Language Projection on the web – it is WinRT pt & CSS only. WinRT API’s Communicatio Graphics & Devices & Windows n & Data Media Printing Contracts Metadata & Namespace .NET or Internet Silverligh WinRT Core Win32 Silverligh Explorer t for WP t Windows 8 Core OS Services (Kernel, Drivers, etc…)
- 9. Desktop Apps DirectX XAML HTML 5 UI built in DirectX or XAML x86 & x64 Can only run on Phone 8 C++, C# & VB JavaScript Code in C++, C# or VB .NET for WinRT WinJS C# or VB can make use of a subset of the HTML full .NET API. This allows you to keep using JavaScri C or C++ C# or VB C# or VB Language Projection a lot of the code you have today without pt & CSS changes & still make use of the WinRT API WinRT API’s as well, thanks to the language projection. Communicatio Graphics & Devices & Windows n & Data Media Printing Contracts Metadata & Namespace .NET or Internet Silverligh WinRT Core Win32 Silverligh Explorer t for WP t Windows 8 Core OS Services (Kernel, Drivers, etc…)
- 10. Desktop Apps DirectX XAML HTML 5 Phone 8 Can only run on x86 & x64 C++, C# & VB JavaScript .NET for WinRT WinJS HTML JavaScri C or C++ C# or VB C# or VB Language Projection pt & CSS WinRT API’s Communicatio Graphics & Devices & Windows n & Data Media Printing Contracts Metadata & Namespace .NET or Internet Silverligh WinRT Core Win32 Silverligh Explorer t for WP t Windows 8 Core OS Services (Kernel, Drivers, etc…)