2.13. Displaying Static Text with UILabel
You want to display text to your users. You would also like to control the text’s font and color. A static text is text that is not directly changeable by the user at runtime.
Labels are everywhere in iOS. You can see them in practically every application, except for games where the content is usually rendered with OpenGL ES instead of the core drawing frameworks in iOS. Figure 2-41 shows several labels in the Settings app on the iPhone.
Figure 2-41. Labels as titles of each one of the settings
You can see that the labels are displaying text in the Settings app, such as General, iCloud, Twitter, Phone, FaceTime, etc.
To create a label, instantiate an object of type
UILabel. Setting or getting the text of a
label can be done through its
property. So let’s define a label in our view controller’s header
#import <UIKit/UIKit.h> @interface Displaying_Static_Text_with_UILabelViewController : UIViewController @property (nonatomic, strong) UILabel *myLabel; @end
Then synthesize it:
#import "Displaying_Static_Text_with_UILabelViewController.h" @implementation Displaying_Static_Text_with_UILabelViewController @synthesize myLabel; ...
And in the
viewDidLoad, instantiate the label and tell the runtime where the label has to be positioned (through its frame property) on the view to which it will be added ...
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