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自定义Navigation按钮及Title

2024-07-04 13:35:31   227人阅读

导航栏自带的按钮,时常不能满足要求,所以深深需要进行各种定制.

写一个UINavigationItem的category

// UINavigationItem+CB_ChangeButton.h

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?@interface UINavigationItem (CB_ChangeButton)
 
- (void) CB_SetRightButton:(UIButton *)button;
 
- (void) CB_SetLeftButton:(UIButton *)button;
 
- (void) CB_SetNavigationTitle:(NSString *)title;
 
 
@end?
 

//  UINavigationItem+CB_ChangeButton.m

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?#import "UINavigationItem+CB_ChangeButton.h"
 
@implementation UINavigationItem (CB_ChangeButton)
 
- (void) CB_SetRightButton:(UIButton *)button {
     
    UIBarButtonItem *rightItem = [[UIBarButtonItem alloc] initWithCustomView: button];
    self.rightBarButtonItem = rightItem;
}
 
- (void) CB_SetLeftButton:(UIButton *)button {
     
    UIBarButtonItem *leftItem = [[UIBarButtonItem alloc] initWithCustomView: button];
    self.leftBarButtonItem = leftItem;
}
 
- (void) CB_SetNavigationTitle:(NSString *)title {
     
    UILabel *label = [[UILabel alloc] initWithFrame: CGRectMake( 0, 0, 320, 44)];
    label.text = title;
    label.textColor = [UIColor whiteColor];
    label.font = FONT;
    label.textAlignment = NSTextAlignmentCenter;
    self.titleView = label;
}
 
@end?
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