Blogged from the Microsoft Mix 11 Day 2 Keynote in Las Vegas

On day 2 of Microsoft’s Mix 11 conference, they explain how they will (in May) be “Delivering happiness” to Windows Phone developers. New Windows Phone end-user features will be announced at a later date.

Opportunity

Ecosystem

· Nokia will be bringing mobile billing expertise

Countries

· 16 more languages

· Developers in 38 (up from 30) countries can register to publish applications

· Phone users in 35 (up from 16) countries will be able to purchase apps

Discoverability

· New Program list – has the ‘long list’ initial letter jump buttons, a search button (inc. access to marketplace search in the results)

· Marketplace – Separates Apps, music, & Podcasts (US this fall)) and shows more details in list with publisher/price/rating

· Marketplace App page has a pivot: details, reviews, screenshots, related

· One-click install for free apps

· Auto-nav to apps list after install

· Search Extras – A Bing Search result can have extras deep linking into an app

Capability

Browser

· Browser uses same IE9 code-base for HTML5, JavaScript, CSS3

· Address bar at the bottom

· Background audio for HTML5 in browser (use phone controls too)

· H.264 video in video tag in full screen with controls

Phone integration

· Sockets

· SQL CE Database with ORM and Linq to SQL

· More launchers & choosers (inc. deep link to directions)

· Better access to contacts and calendar

· Pin to start of application deep links

· Raw camera access

· Access to compass

· Access to gyro (new optional hardware coming this year)

· Motion Sensor API (for ease of using compass and gyro)

· Ringtone API

Multi-tasking:

· Fast app switching – apps are suspending, and only terminated if necessary

· Background audio from apps (leveraging the standard phone media controls)

· Background downloads

· Setup alarms

· Live tile updating including animations

· “Live agents” occasionally run by a battery friendly scheduler (with user control of which ones can run this way) – gets events and can get location

Dev Experience:

New emulator features for Accelerometer (with 3D model of position) and location (with Bing maps input)

Performance improvement (for list)

· Scrolling and input

· Image decode

· Garbage collector (no pausing)

· Memory usage

Built on Silverlight 4 including RichTextBox

Local Database using SQL CE with ORM and LINQ to SQL

Can compose UI with Silverlight and XNA

Profiler (still free)