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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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