如何设置UISegmentedControl框架？

Question

Here is my code:

UISegmentedControl *segmentedControl = [[UISegmentedControl alloc] initWithItems:items];
segmentedControl.frame = CGRectMake(0.0, 0.0, 320.0, 30.0);

The result is segmentedControl has about 10 pts margin left and top.

I try to change the params of its frame but cannot change x position. So it always has 10 pt margin left. How to remove this margin?

Edit

I figure it out

UIToolbar has 10pt margin. If I add only UISegmentedControl, it will display correctly.

Answer 1

you can't change the height of UISegmentedControl because height is fixed for UISegmentedControl based on its style

for plain and borderd style the height is 43 and for bar style the height is 29.

UISegmentedControl *segmentedControl = [[UISegmentedControl alloc] initWithItems:items];
segmentedControl.frame = CGRectMake(0.0, 0.0, 320.0, 29.0);
segmentedControl.segmentedControlStyle = UISegmentedControlStyleBar;

set UISegmentedControlStyleBar in segmentedControlStyle property of UISegmentedControl .

Answer 2

Use this

UISegmentedControl *segmentedControl = [[UISegmentedControl alloc] initWithItems:items];  
segmentedControl.frame = CGRectMake(35, 200, 250, 50);  
segmentedControl.segmentedControlStyle = UISegmentedControlStylePlain;

Answer 3

Use setter method

[segmentedControl setFrame:CGRectMake(x, y, width, height)];

Segmented control has the rounded rect border and that is why it displayse so.Jus set some color on its background and you can see the correct frame of the segment