Windows Phone Fast App Switching, Tombstoning and Multitasking

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Fast App ResumeState preserved! runninge.IsApplicationInstancePreserved Save State!== true activated deactivated dormant Phone resources detached Threads & timers suspended

Resuming .. .Restore state!e.IsApplicationInstancePreserved== false running activated deactivated Tombstone the oldest app tombstoned dormant Phone resources detached Threads & timers suspended

private void Application_Activated(object sender, ActivatedEventArgs e){ if (e.IsApplicationInstancePreserved) { // Dormant - objects in memory intact } else { // Tombstoned - need to reload }}

MediaPlayer.Pause MediaElement.Pause SoundEffectInstance.Pause VibrateController.Stop PhotoCamera.Dispose Save page/global stateXNA Audio PausedSensors Notifications suppressedNetworking CancelledSockets DisconnectedMediaElement DisconnectedCamera Disposed

MediaElement.Source/Position/PlaySocket.ConnectAsyncnew PhotoCamera/VideoCameraRestore app state if tombstonedXNA Audio ResumedSensors Notifications resumedNetworking Completed with CancellationSockets -MediaElement -Camera -

Allowed Restricted Tiles Toast  Display UI Location  XNA libraries Network  Microphone and Camera R/W ISO store  Sensors Sockets  Play audio (may only use background audio APIs) Most framework APIs

#if DEBUG_AGENT ScheduledActionService.LaunchForTest(taskName, TimeSpan.FromSeconds(60));#endif

Alarms Reminders • Modal • Rich information • Snooze and Dismiss • Integrates with • Sound other reminders customization • Snooze and Dismiss • No app invocation • Launch app • No stacking • Follows the phones global settings

using Microsoft.Phone.Scheduler;...eggReminder = new Reminder("Egg Timer");eggReminder.BeginTime = DateTime.Now + new TimeSpan(0, eggTime, 0);eggReminder.Content = "Egg Ready";eggReminder.RecurrenceType = RecurrenceInterval.None;eggReminder.NavigationUri = new Uri("/EggReadyPage.xaml", UriKind.Relative);ScheduledActionService.Add(eggReminder);

Reminder eggReminder = ScheduledActionService.Find("Egg Timer") as Reminder;if ( eggReminder != null ){ ScheduledActionService.Remove("Egg Timer");}

http://aka.ms/mbl-phone/starthttp://aka.ms/mbl-phone/toolshttp://aka.ms/mbl-phone/mangohttp://aka.ms/mbl-phone/register

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Windows Phone Fast App Switching, Tombstoning and Multitasking

by Microsoft Developer Network (MSDN) - Belgium and Luxembourg on Feb 27, 2012

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Windows Phone Fast App Switching, Tombstoning and Multitasking Presentation Transcript