Windows 8 applications with Azure backends Mihai Tataran General Manager, Avaelgo Microsoft Most Valuable Professional

Objectives Understand the basic principles to develop a Windows 8 application, with an Windows Azure (Mobile Services) backend

Agenda Modern UI applications HTML5, WinJS, Controls Windows 8 Platform Windows Azure introduction Windows Azure Mobile Services

HTML 5 and Javascript HTML5 Indexed DB App Cache Web Workers Canvas SVG FormData CSS3 animations & transitions XHR FileAPI Web Sockets Geolocation PostMessage

Modern UI apps Only the HTML5 DOCTYPE Single window All the device’s screen Access to Windows Runtime

Modern UI apps: runtime App Container HTML Host Process App Code

WinJS The library for Modern UI style apps Matches the Windows Modern UI design style Designed for touch as well as traditional input Scales across form factors

UI Controls Designed for touch, mouse, keyboard Everyday widgets Text editing Scrolling content Presenting data Commanding surfaces

Process states Low memory App launch Splash screen

Suspend state No CPU, Disk or Network consumed All threads are suspended Apps remain in memory Apps instantly resumed from suspend when brought to foreground Exception: Background tasks

Termination System needs more memory User switch occurs System shutdown Apps crash Application is not notified

Saving state sessionState in WinJS Windows.Storage.ApplicationData to save application state

Saving / restoring state ScenarioYou should…. User is using your AppSave user data incrementally App switched away from (Suspending) Save where the user is – what screen they are on, for example Not running App launched by user (Activated) Bring the user back and restore their session as if they never left Suspended App launched by user (Resuming) Do nothing

Charms Some kind of Start Bar Ideal manner to use device’s settings Or any other app specific settings

Share contracts Predefined contracts in Metro

Demo Win 8 Apps

Agenda Modern UI applications HTML5, WinJS, Controls Windows 8 Platform Windows Azure introduction Windows Azure Mobile Services

Windows Azure introduction The cloud platform offered by Microsoft Infrastructure as a Service Platform as a Service Run websites and applications in the cloud Run (backend) web services in the cloud Storage: tables, blobs, etc. SQL Database

What is Windows Azure Mobile Services?

Demo

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