Dialog Disappears on Device Rotation 3

[reverse-unina]

When I perform this sequence of events:

1.    Click on Urgent Calls
   

2.    Click on Enable Urgent Calls
   

3.    Click on Call Filter
   

4.    Click on Date/Time
   

5.    Click on Choose Date And Time
   

6.    Click on New Range
   

7.    Orientation Change
   

The dialog on screen disappears.