Change font size of UISegmentedControl

IosIphoneCocoa TouchFont SizeUisegmentedcontrol

Ios Problem Overview

Can anyone please tell me how can I change the font type and size of UISegmentedControl?

Ios Solutions

Solution 1 - Ios

I ran into the same issue. This code sets the font size for the entire segmented control. Something similar might work for setting the font type. Note that this is only available for iOS5+

Obj C:

UIFont *font = [UIFont boldSystemFontOfSize:12.0f];
NSDictionary *attributes = [NSDictionary dictionaryWithObject:font
                                                       forKey:NSFontAttributeName];
[segmentedControl setTitleTextAttributes:attributes 
                                forState:UIControlStateNormal];

EDIT: UITextAttributeFont has been deprecated - use NSFontAttributeName instead.

EDIT #2: For Swift 4 NSFontAttributeName has been changed to NSAttributedStringKey.font.

Swift 5:

let font = UIFont.systemFont(ofSize: 16)
segmentedControl.setTitleTextAttributes([NSAttributedString.Key.font: font], for: .normal)

Swift 4:

let font = UIFont.systemFont(ofSize: 16)
segmentedControl.setTitleTextAttributes([NSAttributedStringKey.font: font],
                                        for: .normal)

Swift 3:

let font = UIFont.systemFont(ofSize: 16)
segmentedControl.setTitleTextAttributes([NSFontAttributeName: font],
                                        for: .normal)

Swift 2.2:

let font = UIFont.systemFontOfSize(16)
segmentedControl.setTitleTextAttributes([NSFontAttributeName: font], 
    forState: UIControlState.Normal)

Thanks to the Swift implementations from @audrey-gordeev

Solution 2 - Ios

Use the Appearance API in iOS 5.0+:

[[UISegmentedControl appearance] setTitleTextAttributes:[NSDictionary dictionaryWithObjectsAndKeys:[UIFont fontWithName:@"STHeitiSC-Medium" size:13.0], UITextAttributeFont, nil] forState:UIControlStateNormal];

Links: http://developer.apple.com/library/ios/#documentation/UIKit/Reference/UIAppearance_Protocol/Reference/Reference.html#//apple_ref/doc/uid/TP40010906

http://www.raywenderlich.com/4344/user-interface-customization-in-ios-5

Solution 3 - Ios

Here is a Swift version of the accepted answer:

Swift 3:

let font = UIFont.systemFont(ofSize: 16)
segmentedControl.setTitleTextAttributes([NSFontAttributeName: font],
                                        for: .normal)

Swift 2.2:

let font = UIFont.systemFontOfSize(16)
segmentedControl.setTitleTextAttributes([NSFontAttributeName: font], 
    forState: UIControlState.Normal)

Solution 4 - Ios

Another option is to apply a transform to the control. However, it will scale down everything including the control borders.

segmentedControl.transform = CGAffineTransformMakeScale(.6f, .6f);

Solution 5 - Ios

Swift Style:

UISegmentedControl.appearance().setTitleTextAttributes(NSDictionary(objects: [UIFont.systemFontOfSize(14.0)], forKeys: [NSFontAttributeName]), forState: UIControlState.Normal)

Solution 6 - Ios

Here i have updated for iOS8

[[UISegmentedControl appearance] setTitleTextAttributes:[NSDictionary dictionaryWithObjectsAndKeys:[UIFont fontWithName:@"STHeitiSC-Medium" size:13.0], NSFontAttributeName, nil] forState:UIControlStateNormal];

Solution 7 - Ios

XCode 8.1, Swift 3

import UIKit
class ViewController: UIViewController {
    override func viewDidLoad() {
        super.viewDidLoad()
        UISegmentedControl.appearance().setTitleTextAttributes(NSDictionary(objects: [UIFont.systemFont(ofSize: 24.0)], 
        forKeys: [NSFontAttributeName as NSCopying]) as? [AnyHashable : Any], 
        for: UIControlState.normal)
    }
}

just change the number value (ofSize: 24.0)

Preview

Solution 8 - Ios

In swift 5,

let font = UIFont.systemFont(ofSize: 16)
UISegmentedControl.appearance().setTitleTextAttributes([NSAttributedString.Key.font: font], for: .normal)

Solution 9 - Ios

// Set font-size and font-femily the way you want
UIFont *objFont = [UIFont fontWithName:@"DroidSans" size:18.0f];

// Add font object to Dictionary
NSDictionary *dictAttributes = [NSDictionary dictionaryWithObject:objFont forKey:NSFontAttributeName];

// Set dictionary to the titleTextAttributes
[yourSegment setTitleTextAttributes:dictAttributes forState:UIControlStateNormal];

If you have any query, Contact me.

Solution 10 - Ios

C# / Xamarin:

segment.SetTitleTextAttributes(new UITextAttributes { 
    Font = UIFont.SystemFontOfSize(font_size) }, UIControlState.Normal);

Solution 11 - Ios

Daniel pointed me to correct way. I used it like this-

float scaleFactor = 0.8f;

UISegmentedControl *segmentedControl = [[UISegmentedControl alloc]
initWithFrame:CGRectMake(10, 70, 300/scaleFactor,35)];

[segmentedControl insertSegmentWithTitle:@"..." atIndex:0 animated:NO];
[segmentedControl insertSegmentWithTitle:@"..." atIndex:1 animated:NO];
[segmentedControl insertSegmentWithTitle:@"..." atIndex:2 animated:NO];

segmentedControl.transform = CGAffineTransformMakeScale(scaleFactor, 1);
CGPoint segmentedControlCenter = segmentedControl.center;
segmentedControlCenter.x = self.center.x;
segmentedControl.center = segmentedControlCenter;

Solution 12 - Ios

 UISegmentedControl.appearance().setTitleTextAttributes(NSDictionary(objects: [UIFont.systemFont(ofSize: 16.0)],
                                                                        forKeys: [kCTFontAttributeName as! NSCopying]) as? [AnyHashable : Any],
                                                           for: UIControlState.normal)

Solution 13 - Ios

Swift 4

let font = UIFont.systemFont(ofSize: 16)
UISegmentedControl.setTitleTextAttributes([NSFontAttributeName: font], for: .normal)

Solution 14 - Ios

Extension for UISegmentedControl for setting Font Size.

extension UISegmentedControl {
    @available(iOS 8.2, *)
    func setFontSize(fontSize: CGFloat) {
            let normalTextAttributes: [NSObject : AnyObject]!
            if #available(iOS 9.0, *) {
                normalTextAttributes = [
                    NSFontAttributeName: UIFont.monospacedDigitSystemFontOfSize(fontSize, weight: UIFontWeightRegular)
                ]
            } else {
                normalTextAttributes = [
                    NSFontAttributeName: UIFont.systemFontOfSize(fontSize, weight: UIFontWeightRegular)
                ]
            }
        
        self.setTitleTextAttributes(normalTextAttributes, forState: .Normal)
    }
 }

Solution 15 - Ios

Correct answer for 2021. The syntax changed.

The 12 year old answer (even the edits to it) is broken.

It's just:

let _font = UIFont.systemFont(ofSize: 10)
UISegmentedControl.appearance()
 .setTitleTextAttributes([NSAttributedString.Key.font: _font], for: .normal)

It's very likely you will want to change the height correctly while you are at it:

import UIKit

class SmallerSegmentedControl: UISegmentedControl {

	override init(frame: CGRect) {
		super.init(frame: frame)
		common()
	}

	required init?(coder aDecoder: NSCoder) {
		super.init(coder: aDecoder)
		common()
	}

	func common() {
		let _font = UIFont.systemFont(ofSize: 10)
		UISegmentedControl.appearance()
         .setTitleTextAttributes([NSAttributedString.Key.font: _font], for: .normal)
	}

	override var intrinsicContentSize:CGSize {
		var s = super.intrinsicContentSize
		s.height = 24
		return s
	}

}

Solution 16 - Ios

You can get at the actual font for the UILabel by recursively examining each of the views starting with the UISegmentedControl. I don't know if this is the best way to do it, but it works.

@interface tmpSegmentedControlTextViewController : UIViewController {
}

@property (nonatomic, assign) IBOutlet UISegmentedControl * theControl;

@end

@implementation tmpSegmentedControlTextViewController

@synthesize theControl; // UISegmentedControl

- (void)viewDidLoad {
  [self printControl:[self theControl]];
  [super viewDidLoad];
}

- (void) printControl:(UIView *) view {
  NSArray * views = [view subviews];
  NSInteger idx,idxMax;
  for (idx = 0, idxMax = views.count; idx < idxMax; idx++) {
    UIView * thisView = [views objectAtIndex:idx];
    UILabel * tmpLabel = (UILabel *) thisView;
    if ([tmpLabel respondsToSelector:@selector(text)]) {
      NSLog(@"TEXT for view %d: %@",idx,tmpLabel.text);
      [tmpLabel setTextColor:[UIColor blackColor]];
    }

    if (thisView.subviews.count) {
      NSLog(@"View has subviews");
      [self printControl:thisView];
    }
  }
}

@end

In the code above I am just setting the text color of the UILabel, but you could grab or set the font property as well I suppose.

Solution 17 - Ios

this is for objective c add your segmented control name in place of mysegmentedcontrol

UIFont *font = [UIFont systemFontOfSize:11.0f];
     
NSDictionary *attributes = [NSDictionary dictionaryWithObject:font
                                                            forKey:UITextAttributeFont];
    
[mySegmentedcontrol setTitleTextAttributes:attributes                                    forState:UIControlStateNormal];

hope it helps

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