WPSDK 7.1.1

WP SDK v 7.1.1 Allegedly AKA “Tango”

For lower spec devices Like the Lumia 610

2 big differences All about resources 256MB

Get the SDKhttp://go.microsoft.com/fwlink/?LinkId=242824

Install the SDKRemember it’s a CTP

What’s installed Not a lot...

NOT a new OS

a new emulator

Detect low memory devicespublic bool Is256MbDevice(){ // Place call in a try block in case the user is not // running the most recent version of the Windows Phone OS // and this method call is not supported. try { var result = (long)DeviceExtendedProperties .GetValue("ApplicationWorkingSetLimit"); return result < 94371840L; } catch (ArgumentOutOfRangeException) { // The device has not received the OS update, // which means the device is a 512-MB device. return false; }}

Detect low memory devicesif (Environment.OSVersion.Version.Build >= 8731){ var result = (long)DeviceExtendedProperties .GetValue("ApplicationWorkingSetLimit"); return result < 94371840L; } else { return false; }

Only detect available memory once Save the results (IsolatedStorageSettings)

TestIn emulatorS, for now

No generic background agentsResource-intensive or periodic

Resource-intensive agent alternative Do it when the app is running

Periodic task agent alternative Push Notifications

Save memory Do less

Save memoryFewer, smaller resources

Save memoryApps, not controls

bewareLong lists, complex templates and animations, orientation changes

Opting outThey won’t even know you exist

Opting out<?xml version="1.0" encoding="utf-8"?><Deployment xmlns="http://schemas.microsoft.com/windowsphone/2009/d... <App xmlns="" ProductID="{b0cd6a33-0fde-43f0-ace3-86df62da <IconPath IsRelative="true" IsResource="false">ApplicationIcon.png</IconPath> <Capabilities> <Capability Name="ID_CAP_NETWORKING"/> ... </Capabilities> <Requirements> <Requirement Name="ID_REQ_MEMORY_90" /> </Requirements> ...

Uninstall the SDKemulator, then assemblies

Worth doing? Bahrain, Bulgaria, China, CostaRica, Croatia, Estonia, Iceland, Iraq, Israel, Kazakhstan, Latvia, Lithuania, Qatar, Romania, SaudiArabia, Slovakia, Slovenia, Thailand, Turkey, UAE, Ukraine, Venezuela and Vietnam

WPSDK 7.1.1

by Matt Lacey

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