Download presentation
Presentation is loading. Please wait.
1
Windows Phone multitasking
TechEd 2011 11/12/2018 APP-823T Windows Phone multitasking Peter Torr - Program Manager Microsoft Corporation © 2011 Microsoft Corporation. All rights reserved. Microsoft, Windows, Windows Vista and other product names are or may be registered trademarks and/or trademarks in the U.S. and/or other countries. The information herein is for informational purposes only and represents the current view of Microsoft Corporation as of the date of this presentation. Because Microsoft must respond to changing market conditions, it should not be interpreted to be a commitment on the part of Microsoft, and Microsoft cannot guarantee the accuracy of any information provided after the date of this presentation. MICROSOFT MAKES NO WARRANTIES, EXPRESS, IMPLIED OR STATUTORY, AS TO THE INFORMATION IN THIS PRESENTATION.
2
Key Takeaways for Windows Phone Mango
Broad set of multitasking features Balances user experience with phone health Familiar .NET programming model
3
Windows Phone Multitasking Block Diagram
Alarms & Reminders File Transfers Background Audio Periodic Execution Fast App Switching Built-in services 3rd-party services Resource Management
4
Windows Phone Harmony Health UX Delightful and Responsive UX
TechEd 2011 11/12/2018 Windows Phone Harmony Delightful and Responsive UX Battery-Friendly Health Never Regret Installing Apps Network-Aware Integrated Experiences UX Hardened Services © 2011 Microsoft Corporation. All rights reserved. Microsoft, Windows, Windows Vista and other product names are or may be registered trademarks and/or trademarks in the U.S. and/or other countries. The information herein is for informational purposes only and represents the current view of Microsoft Corporation as of the date of this presentation. Because Microsoft must respond to changing market conditions, it should not be interpreted to be a commitment on the part of Microsoft, and Microsoft cannot guarantee the accuracy of any information provided after the date of this presentation. MICROSOFT MAKES NO WARRANTIES, EXPRESS, IMPLIED OR STATUTORY, AS TO THE INFORMATION IN THIS PRESENTATION.
5
Multitasking and Phone Health
New OS services Processing on demand Balance foreground and background Align with system and user activity Monitor resource usage
6
Fast Application Switching
demo Fast Application Switching
7
Fast Application Switching Support
TechEd 2011 11/12/2018 Fast Application Switching Support Keeps user in control Compile and test for Mango Suspends application threads Load or refresh state* OS Compatible with 7.0 apps Reattach resources* * Only if needed. © 2011 Microsoft Corporation. All rights reserved. Microsoft, Windows, Windows Vista and other product names are or may be registered trademarks and/or trademarks in the U.S. and/or other countries. The information herein is for informational purposes only and represents the current view of Microsoft Corporation as of the date of this presentation. Because Microsoft must respond to changing market conditions, it should not be interpreted to be a commitment on the part of Microsoft, and Microsoft cannot guarantee the accuracy of any information provided after the date of this presentation. MICROSOFT MAKES NO WARRANTIES, EXPRESS, IMPLIED OR STATUTORY, AS TO THE INFORMATION IN THIS PRESENTATION.
8
Application Lifecycle
Reload / refresh state only if needed Activated Running Tombstoned Dormant Deactivated Application is resident in memory; system detaches resources and pauses threads Save state but do not discard it
9
demo + code Alarms and Reminders
10
Alarms and Reminders - Overview
Same UX as built-in alarms and reminders Deep link back into the application Efficient implementation based on OS services
11
Background Transfer Service
demo + code Background Transfer Service
12
Background Transfer Service - Limits
1 2 3 4 5
13
Background Transfer Service - Limits
20 MB 20 MB 5 MB Unlimited 100 MB
14
Background Transfer Service - Overview
Balances functionality with phone health and user cost Simplifies download management in apps Efficient implementation based on OS services Persists across reboots
15
demo + code Live Tiles
16
Live Tiles - Overview Pin multiple tiles to Start
New flip animation with additional content Update three ways: push, schedule, or local API
17
demo Background Agents
18
End-to-End Architecture
Developer Application OS MyApp Solution MyApp.dll MyApp Project Logic UX Single App WMAppManifest Logic System Services Cloud ISO Store MyAppAgent Project Different Processes MyAppAgent.dll
19
code Background Agents
20
Background Agents – Basic Functionality
Allowed Restricted Tile updates Toasts Location Networking Storage Most framework APIs Microphone Camera Sensors Graphics Audio All XNA libraries
21
Background Agents – Two Flavours
Periodic Agent Resource-Intensive Agent Runs every 30 minutes Any network connection Runs for 25 seconds Used for location, data sync, etc. Runs on external power Non-cell network connection Runs for 10 mins, recurring Used for daily tasks, large data syncs, etc. ...when battery level is > 20% and battery saver is not on ...when battery level is > 90%
22
Background Agents - Overview
Separate resource-constrained process Managed by the OS to maintain phone health User stays in control via system settings Familiar .NET programming model
23
demo Background Audio
24
End-to-End Architecture
20/30 West End Girls Pet Shop Boys MusicApp.dll UX Zune Playback Cloud ISO Store Logic All playback logic lives in the agent! MusicAgent.dll
25
code Background Audio
26
Background Audio Playback - Overview
HTML 5 Audio Playback in Internet Explorer Track-based playback for standard formats Buffer-based playback for custom formats Guaranteed resources for continuous playback
27
Recap for Windows Phone Mango
Broad set of multitasking features Balances user experience with phone health Familiar .NET programming model
28
TechEd 2011 11/12/2018 Health UX © 2011 Microsoft Corporation. All rights reserved. Microsoft, Windows, Windows Vista and other product names are or may be registered trademarks and/or trademarks in the U.S. and/or other countries. The information herein is for informational purposes only and represents the current view of Microsoft Corporation as of the date of this presentation. Because Microsoft must respond to changing market conditions, it should not be interpreted to be a commitment on the part of Microsoft, and Microsoft cannot guarantee the accuracy of any information provided after the date of this presentation. MICROSOFT MAKES NO WARRANTIES, EXPRESS, IMPLIED OR STATUTORY, AS TO THE INFORMATION IN THIS PRESENTATION.
29
TechEd 2011 11/12/2018 © 2011 Microsoft Corporation.
All rights reserved. Microsoft, Windows, Windows Vista and other product names are or may be registered trademarks and/or trademarks in the U.S. and/or other countries. The information herein is for informational purposes only and represents the current view of Microsoft Corporation as of the date of this presentation. Because Microsoft must respond to changing market conditions, it should not be interpreted to be a commitment on the part of Microsoft, and Microsoft cannot guarantee the accuracy of any information provided after the date of this presentation. Microsoft makes no warranties, express, implied or statutory, as to the information in this presentation. © 2011 Microsoft Corporation. All rights reserved. Microsoft, Windows, Windows Vista and other product names are or may be registered trademarks and/or trademarks in the U.S. and/or other countries. The information herein is for informational purposes only and represents the current view of Microsoft Corporation as of the date of this presentation. Because Microsoft must respond to changing market conditions, it should not be interpreted to be a commitment on the part of Microsoft, and Microsoft cannot guarantee the accuracy of any information provided after the date of this presentation. MICROSOFT MAKES NO WARRANTIES, EXPRESS, IMPLIED OR STATUTORY, AS TO THE INFORMATION IN THIS PRESENTATION.
30
thank you Feedback and questions http://forums.dev.windows.com
Session feedback
31
TechEd 2011 11/12/2018 © 2011 Microsoft Corporation. All rights reserved. Microsoft, Windows, Windows Vista and other product names are or may be registered trademarks and/or trademarks in the U.S. and/or other countries. The information herein is for informational purposes only and represents the current view of Microsoft Corporation as of the date of this presentation. Because Microsoft must respond to changing market conditions, it should not be interpreted to be a commitment on the part of Microsoft, and Microsoft cannot guarantee the accuracy of any information provided after the date of this presentation. MICROSOFT MAKES NO WARRANTIES, EXPRESS, IMPLIED OR STATUTORY, AS TO THE INFORMATION IN THIS PRESENTATION. © 2011 Microsoft Corporation. All rights reserved. Microsoft, Windows, Windows Vista and other product names are or may be registered trademarks and/or trademarks in the U.S. and/or other countries. The information herein is for informational purposes only and represents the current view of Microsoft Corporation as of the date of this presentation. Because Microsoft must respond to changing market conditions, it should not be interpreted to be a commitment on the part of Microsoft, and Microsoft cannot guarantee the accuracy of any information provided after the date of this presentation. MICROSOFT MAKES NO WARRANTIES, EXPRESS, IMPLIED OR STATUTORY, AS TO THE INFORMATION IN THIS PRESENTATION.
Similar presentations
