Learn iOS Development UI Chapter--uitabbarcontroller

Uitabbarcontroller Steps to use

1. 　　Initialize UITabBarController2. Set UIWindow Rootviewcontroller to UITabBarController3. Depending on the situation, add the corresponding number of sub-controllers by Addchildviewcontroller method There are 2 ways to add a Uitabbarcontroller controller

-(void) Addchildviewcontroller: (Uiviewcontroller *) Childcontroller; Adding a single child controller

@property (nonatomic,copy) Nsarray *viewcontrollers; Set up a sub-controller array

Properties of the Uitabbarcontroller

What content is displayed inside the Uitabbarbutton, determined by the Tabbaritem attribute of the corresponding sub-controller @property (nonatomic,copy) NSString *title;  　　　　　　  Title Text @property (nonatomic,retain) UIImage *image; 　　  Icon @property (nonatomic,retain) UIImage *selectedimage;　　　　　When selected, the icon @property (nonatomic,copy) NSString *badgevalue; Reminding the digital app of the mainstream UI framework structure