Button changes value on Device Rotation

[reverse-unina]

When I perform this sequence of events:

1.    Click on Ok
   

2.    Enter Text "example"
   

3.    Click on "Go"
   

4.    Click on Date:OFF
   

5.    Click on Time: OFF
   

6.    Click on Reminder: OFF
   

7.    Orientation change
   

The button returns to the default value