iOS rookie development-2 navigation bar theme

1. Add a navigation bar to each sub-controller

/**

* Initialize a sub-controller

*

* @param child controller that needs to be initialized

* @param title

* @param imageName icon not selected

* @param selectedimagename the selected icon

*/

-(void) SETUPONECHILDVC: (Uiviewcontroller *) Child title: (NSString *) title ImageName: (NSString *) imageName Selectedimagename: (NSString *) selectedimagename

{

Set Title

Child.tabBarItem.title = title;

Set up a picture

Child.tabBarItem.image = [UIImage imagenamed:imagename];

Set the selected picture

Child.tabBarItem.selectedImage = [UIImage imagenamed:selectedimagename];

Add navigation Bar

Uinavigationcontroller *nav = [[Uinavigationcontroller alloc] initwithrootviewcontroller:child];

Adding a child controller

[Self addchildviewcontroller:nav];

}

2. Custom Navigation Controller

New Navigationcontroller Inheritance Uinavigationcontroller

Set the navigation bar theme

+ (void) initialize

{

[Self setupnavtheme];

}

+ (void) setupnavtheme

{

You can modify the theme by getting the appearance object

Uinavigationbar *navbar = [Uinavigationbar appearance];

Set Text color

Nsmutabledictionary *textattrs = [Nsmutabledictionary dictionary];

Textattrs[uitextattributetextcolor] = [Uicolor blackcolor];

Set Font size

Textattrs[uitextattributefont] = [Uifont boldsystemfontofsize:10];

}

iOS rookie development-2 navigation bar theme