How to resize text (font) to fit in UISegment of UISegmentedControl?

Question

Is there any way to reduce font size that can be fit in single segment of UISegmentedControl ?

Have tried many thing something like,

[[U         


        

Answer 1

Try this, I hope this will help you and you will get an idea how this works-

I have a UISegmentedControl i.e. _userProfileSagmentOutlet having three segments. Here is sample code-

CGFloat fontSize = 15;

[_userProfileSagmentOutlet setTitleTextAttributes:@{NSFontAttributeName:[UIFont fontWithName:@"Roboto-medium" size:fontSize],
                                                    NSForegroundColorAttributeName:[UIColor whiteColor]}
                                         forState:UIControlStateSelected];

[_userProfileSagmentOutlet setTitleTextAttributes:@{NSFontAttributeName:[UIFont fontWithName:@"Roboto-medium" size:fontSize],
                                                    NSForegroundColorAttributeName:[UIColor whiteColor]}
                                         forState:UIControlStateNormal];

this is the previous code which truncate tail of title like below image-

here is the main logic which fit each title in segments with same font size-

CGFloat fontSize = 15;

NSAttributedString* firstTitle = [[NSAttributedString alloc] initWithString:@"Membership History" attributes:@{NSFontAttributeName: [UIFont fontWithName:@"Roboto-medium" size:fontSize]}];

NSAttributedString* secondTitle = [[NSAttributedString alloc] initWithString:@"Event History" attributes:@{NSFontAttributeName: [UIFont fontWithName:@"Roboto-medium" size:fontSize]}];

NSAttributedString* thirdTitle = [[NSAttributedString alloc] initWithString:@"Booked Classes" attributes:@{NSFontAttributeName: [UIFont fontWithName:@"Roboto-medium" size:fontSize]}];


float maxW=MAX(MAX(firstTitle.size.width, secondTitle.size.width), thirdTitle.size.width);

while (maxW > _userProfileSagmentOutlet.subviews[0].frame.size.width) {

    fontSize--;

    firstTitle = [[NSAttributedString alloc] initWithString:@"Membership History" attributes:@{NSFontAttributeName: [UIFont fontWithName:@"Roboto-medium" size:fontSize]}];

    secondTitle = [[NSAttributedString alloc] initWithString:@"Event History" attributes:@{NSFontAttributeName: [UIFont fontWithName:@"Roboto-medium" size:fontSize]}];

    thirdTitle = [[NSAttributedString alloc] initWithString:@"Booked Classes" attributes:@{NSFontAttributeName: [UIFont fontWithName:@"Roboto-medium" size:fontSize]}];

    maxW=MAX(MAX(firstTitle.size.width, secondTitle.size.width), thirdTitle.size.width);


}
[_userProfileSagmentOutlet setTitleTextAttributes:@{NSFontAttributeName:[UIFont fontWithName:@"Roboto-medium" size:fontSize],
                                                    NSForegroundColorAttributeName:[UIColor whiteColor]}
                                         forState:UIControlStateSelected];

[_userProfileSagmentOutlet setTitleTextAttributes:@{NSFontAttributeName:[UIFont fontWithName:@"Roboto-medium" size:fontSize],
                                                    NSForegroundColorAttributeName:[UIColor whiteColor]}
                                         forState:UIControlStateNormal];

after using this code image look like this(same font size and text fit to segment and works fine)-

Here is Swift extension if someone needed-

    var fontSize:CGFloat = 15.0;

    var firstTitle = NSMutableAttributedString.init(string: "Membership History", attributes:[NSFontAttributeName: UIFont.systemFontOfSize(fontSize)])

    var secondTitle = NSMutableAttributedString.init(string: "Events History" ,attributes:[NSFontAttributeName: UIFont.systemFontOfSize(fontSize)]);

    var thirdTitle = NSMutableAttributedString.init(string: "Booked Classes" ,attributes:[NSFontAttributeName: UIFont.systemFontOfSize(fontSize)]);

    var maxW:CGFloat = max(max(firstTitle.size().width, secondTitle.size().width), thirdTitle.size().width);

    while (maxW > userProfileSagmentOutlet.subviews[0].frame.size.width) {

        fontSize--;

         firstTitle = NSMutableAttributedString.init(string: "Membership History", attributes:[NSFontAttributeName: UIFont.systemFontOfSize(fontSize)])

         secondTitle = NSMutableAttributedString.init(string: "Events History" ,attributes:[NSFontAttributeName: UIFont.systemFontOfSize(fontSize)]);

         thirdTitle = NSMutableAttributedString.init(string: "Booked Classes" ,attributes:[NSFontAttributeName: UIFont.systemFontOfSize(fontSize)]);

         maxW = max(max(firstTitle.size().width, secondTitle.size().width), thirdTitle.size().width);

    }
    userProfileSagmentOutlet.setTitleTextAttributes([NSFontAttributeName: UIFont.systemFontOfSize(fontSize),NSForegroundColorAttributeName:UIColor.whiteColor()], forState:UIControlState.Normal)

    userProfileSagmentOutlet.setTitleTextAttributes([NSFontAttributeName: UIFont.systemFontOfSize(fontSize),NSForegroundColorAttributeName:UIColor.whiteColor()], forState:UIControlState.Selected)