iOS UIBarButtonItem间距、title点击大小改变

最新推荐文章于 2025-10-12 11:33:40 发布

原创最新推荐文章于 2025-10-12 11:33:40 发布 · 2.6k 阅读

0 ·

CC 4.0 BY-SA版权

文章标签：

#UIBarButtonItem #UIBarButtonItem间距 #UIBarButtonItem点击字体大小改变

iOS 专栏收录该内容

62 篇文章

订阅专栏

本文详细介绍UIBarButtonItem的三种初始化方式：使用标题、自定义视图和图片。文章讲解了如何设置按钮的字体大小、颜色、图片及两个按钮间的固定间距，为UI设计提供实用指南。

UIBarButtonItem的使用

一、initWithTitle 字体大小、颜色

    UIBarButtonItem *item = [[UIBarButtonItem alloc] initWithTitle:@"说明" style:UIBarButtonItemStylePlain target:self action:@selector(onRightButtonClick)];
    item.tintColor = [UIColor whiteColor];
    self.navigationItem.rightBarButtonItem = item;
    [self.navigationItem.rightBarButtonItem setTitleTextAttributes:[NSDictionary dictionaryWithObjectsAndKeys:[UIFont boldSystemFontOfSize:14],NSFontAttributeName, nil] forState:UIControlStateNormal];
    [self.navigationItem.rightBarButtonItem setTitleTextAttributes:[NSDictionary dictionaryWithObjectsAndKeys:[UIFont boldSystemFontOfSize:14],NSFontAttributeName, nil] forState:UIControlStateHighlighted];

二、initWithCustomView 两个Item之间的间距

    UIButton *btn1 = [UIButton buttonWithType:UIButtonTypeCustom];
    [btn1 addTarget:self action:@selector(onSZRightButtonClick) forControlEvents:UIControlEventTouchUpInside];
    [btn1 setImage:[UIImage imageNamed:@"icon-wd-sz"] forState:UIControlStateNormal];
    [btn1 sizeToFit];
    UIBarButtonItem *item1 = [[UIBarButtonItem alloc] initWithCustomView:btn1];

    UIBarButtonItem *fixedSpaceBarButtonItem = [[UIBarButtonItem alloc] initWithBarButtonSystemItem:UIBarButtonSystemItemFixedSpace target:nil action:nil];
    fixedSpaceBarButtonItem.width = 15;

    UIButton *btn2 = [UIButton buttonWithType:UIButtonTypeCustom];
    [btn2 addTarget:self action:@selector(onXXRightButtonClick) forControlEvents:UIControlEventTouchUpInside];
    [btn2 setImage:[UIImage imageNamed:@"icon-wd-xx"] forState:UIControlStateNormal];
    [btn2 sizeToFit];
    UIBarButtonItem *item2 = [[UIBarButtonItem alloc] initWithCustomView:btn2];

    self.navigationItem.rightBarButtonItems  = @[item2,fixedSpaceBarButtonItem,item1];

三、initWithImage 如果放两个的话，间距不能控制，改用initWithCustomView

    UIImage *image = [[UIImage imageNamed:@"icon"] imageWithRenderingMode:UIImageRenderingModeAlwaysOriginal];
    UIBarButtonItem *leftBarButton = [[UIBarButtonItem alloc] initWithImage:image style:UIBarButtonItemStylePlain target:self action:@selector(onLeftButtonClick)];
    self.navigationItem.leftBarButtonItem = leftBarButton;