UIBarButtonItem的分类 (快速返回一个显示图片的UIBarButtonItem)

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原创最新推荐文章于 2026-02-28 10:23:29 发布 770 阅读 AI 写同款· GEO 优化 ›

自定义导航栏返回按钮backBarButtonItem的标题对应的Demo 自定义导航栏返回按钮backBarButtonItem的标题：隐藏或自定义其内容。立即下载

//
//  UIBarButtonItem+YKD.h


#import <UIKit/UIKit.h>

@interface UIBarButtonItem (YKD)
/**
 *  快速返回一个显示图片的UIBarButtonItem
 *
 *  @param icon     默认图标
 *  @param highIcon 高亮图标
 *  @param target   目标控制器
 *  @param action   点击这个UIBarButtonItem要执行的动作
 */
+ (UIBarButtonItem *)itemWithIcon:(NSString *)icon highIcon:(NSString *)highIcon target:(id)target action:(SEL)action;
@end

//
//  UIBarButtonItem+YKD.m


#import "UIBarButtonItem+YKD.h"

@implementation UIBarButtonItem (YKD)
+ (UIBarButtonItem *)itemWithIcon:(NSString *)icon highIcon:(NSString *)highIcon
                           target:(id)target action:(SEL)action
{
    UIButton *button = [UIButton buttonWithType:UIButtonTypeCustom];
    [button setBackgroundImage:[UIImage imageNamed:icon] forState:UIControlStateNormal];
    [button setBackgroundImage:[UIImage imageNamed:highIcon] forState:UIControlStateHighlighted];
    button.frame = (CGRect){CGPointZero,button.currentBackgroundImage.size};
    [button addTarget:target action:action forControlEvents: UIControlEventTouchUpInside];
   
    return [[UIBarButtonItem alloc]initWithCustomView:button];
}
@end

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