White line on the bottom on ios 7 with UITextField

Question

I have text field, i need to show the cursor and hide the keyboard. It looks ok in the IOS 6 and IOS 5. But in IOS 7 i can see small white line on the bottom.

My cod

Answer 1

I think this is due to the keyboard view, whose having the height as 1. So if you change the line

UIView* dummyView = [[UIView alloc] initWithFrame:CGRectMake(0, 0, 1, 1)]; 

to

UIView* dummyView = [[UIView alloc] initWithFrame:CGRectMake(0, 0, 0, 0)];

it will work.