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Created attachment 11291 [details]
On Android the OnAppearing/OnDisappearing overrides and the Appearing/Disappearing events are not invoked for a detail page when the entire MasterDetailPage disappears or reappears due to a navigation event. The MasterDetailPage itself does receive the appearance events, but the detail page, even if it is shown or hidden, does not receive the events.
This behavior differs from iOS, where those methods are always called.
To reproduce run the attached project on Android, press the button, and then go back. The page should turn green when you go back, but instead nothing changes.
*** Bug 24631 has been marked as a duplicate of this bug. ***
Indeed. Detail page disappearing is not called after navigation.
Should be fixed in 1.5.0-pre1
I have checked this issue with Xamarin.Forms 1.5.0-pre1 and its working fine at my end. I am getting same behavior on Android and iOS.
Hence closing this issue.