Is there anyway to know in the OnNavigatedFrom if the App is navigating from this page because it is being suspended? I have event handlers that update the UI, that I dont want them unsubscribed from if I am just suspending the App
Detect if Application was suspended in OnNavigatedFrom for Windows Phone 8
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Thanks to @Romasz and his answer to my comment I was able to figure out you can use this. Which works great!
As you see the NavigationEventArgs Uri property is set to "app://external/" when you are being suspended, any other time it contains a full uri string of the page you are going too! This is just what I was looking for.
You can see the original post here.
Detecting deactivation and app close in Windows Phone 8.1 XAML