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I navigate to the TimePicker as follows:
MainPage -> Page1 -> Popup1 -> TimePicker1
In MainPage I have 4 buttons in ApplicationBar where as in Page1 I have 2 buttons.
If I don't open the TimePicker1, then when I go back to MainPage, I get all main page icons. But if I open the TimePicker1, the Page1's ApplicationBar buttons are restored faithfully, but when I go back to MainPage the Page1's buttons are still shown. Then when I navigate in the MainPage (I have a Pivot control in the MainPage) I get an unknown error. Probably the correct ApplicationBar is not found.
Also since you are using a popup for TimePicker and DatePicker, when I tap on TimePicker1, it doesn't apper over my Popup1. So effectively I don't see the digits / LongListSelectors. I see only the header at the top and the OK & Cancel icons at the bottom.
So there are two issues here.
MainPage -> Page1 -> Popup1 -> TimePicker1
In MainPage I have 4 buttons in ApplicationBar where as in Page1 I have 2 buttons.
If I don't open the TimePicker1, then when I go back to MainPage, I get all main page icons. But if I open the TimePicker1, the Page1's ApplicationBar buttons are restored faithfully, but when I go back to MainPage the Page1's buttons are still shown. Then when I navigate in the MainPage (I have a Pivot control in the MainPage) I get an unknown error. Probably the correct ApplicationBar is not found.
Also since you are using a popup for TimePicker and DatePicker, when I tap on TimePicker1, it doesn't apper over my Popup1. So effectively I don't see the digits / LongListSelectors. I see only the header at the top and the OK & Cancel icons at the bottom.
So there are two issues here.