Picker and TableView problem in ios 7.0

If you are convertig your application in ios 7.0 then you will see that your picker will overlap with your background view as

if you want to avoid this UI conflict you have to apply this line.

optionPicker.backgroundColor = [UIColor whiteColor];

In ios 7.0 tableview cell has white color by default you can change it using this line.

[cell setBackgroundColor:[UIColor clearColor]];