(1) The document summarizes a presentation on new features in Windows 8.1, 2012 R2, and SC 2012 R2 for developers. (2) It covers topics like application packaging, asynchronous programming, new UI controls, files, and networking features. (3) A demonstration was given of features like background transfers, hubs, app bars, geolocation, and the file picker.

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Windows 8.1, 2012 R2 & SC 2012 R2
Community Launch
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2. Windows 8.1 news for Devs
Mihai Tataran
Avaelgo
Avaelgo Training
Mihai.Tataran@avaelgo.ro
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3. Intro
București
19 oct 2013
• A minor update for the user
– Start button
• A minor update for the devs in terms of the
platform, but pretty big in terms of the
libraries (SDK)
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4. Agenda
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București
19 oct 2013
Application packaging
Async programming
UI Controls
Devices
Files
Networking
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5. Application packaging
București
19 oct 2013
• Resource package, separated from the core app
package => fewer content to download
• App bundles
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App packages
Resource packages
Bundle manifest
Block map (all files in the bundle)
App signature
• At install time, Win 8.1 determines which app
package and resource packages should be
installed
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6. București
19 oct 2013
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7. Async programming
• New scheduler
API: set priority
of tasks
– Scheduler
object in JS
library
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București
19 oct 2013

8. Async programming
• Managing
multiple jobs
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București
19 oct 2013

9. UI controls
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București
19 oct 2013
AppBar command
BackButton
Hub
ItemContainer
NavBar
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10. UI Controls
București
19 oct 2013
• AppBar vs CommandBar
– AppBar is more generic
– CommandBar simplifies creation
• Automatic layout
• Primary commands on the right
• Automatic resizing when app size changes
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11. Files
București
19 oct 2013
File picker can be called in split mode
In-app management of libraries (e.g. media)
Parent of current object
Compare files
Get the collection of files in the same view
with the selected one (e.g. picture libraries)
• Add app content to the Windows Index
• File picker -> SkyDrive access
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12. Networking
București
19 oct 2013
• New HTTP API
– Full features support in all languages
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Background transfer improved
Real-time comm
Connected standby updates
Geofencing 
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13. Networking
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București
19 oct 2013
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14. Networking
București
19 oct 2013
• Chain Http Filters for different capabilities
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15. DEMO
București
19 oct 2013
• Background Transfer
– Resume downloads after app restart
– Pause / resume
– Set priority
• Hub
• AppBar
– Custom content
– Contextual commands
• Geolocation, Geofencing
• File
– Picker in split mode
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16. Resurse
București
19 oct 2013
• Windows 8.1 Developer’s Get Started:
– http://msdn.microsoft.com/enUS/windows/apps/br211386
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17. Q&A
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