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make UILabel's text bold

I want to make UILabel's text bold

infoLabel=[[UILabel alloc]initWithFrame:CGRectMake(90,150, 200, 30)];
[infoLabel setText:@"Drag 14 more Flavors"];
[infoLabel setBackgroundColor:[UIColor clearColor]];
[infoLabel setFont:[UIFont fontWithName:@"Arial" size:16]];

[infoLabel setTextColor:[UIColor colorWithRed:193开发者_JS百科.0/255 
                                        green:27.0/255 
                                         blue:23.0/255 
                                        alpha:1 ]];


If you want to retain the system font and make it bold:

[infoLabel setFont:[UIFont boldSystemFontOfSize:16]];


Try

[infoLabel setFont:[UIFont fontWithName:@"Arial-BoldMT" size:16]];

It may also be worth checking if the font you're trying to use is available on device


Using the GUI in Xcode select the label then go to the Attributes Inspector. One of the options is Font. Click on the font icon (not the up-down arrows). In the popup that appears expand the Font ComboxBox. Under the Bold System section choose Regular.

make UILabel's text bold


For swift users this should work:

myLabel.font = UIFont.boldSystemFont(ofSize: 12.0)

or if you'd like to use a different font:

myLabel.font = UIFont(name:"HelveticaNeue-Bold", size: 12.0)


Where possible I would suggest using dynamic font sizes to provide the best possible accessibility to your users.

You can make a label use a system dynamic font and set it to have bold text by doing the following:

 exampleLabel.font = UIFont.preferredFont(forTextStyle: .body, compatibleWith: UITraitCollection(legibilityWeight: .bold))


You can set the stroke with a negative value to make a bold effect if you don't have the bold variation of your custom font. See here:

How can I both stroke and fill with NSAttributedString w/ UILabel

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