48 lines
1.6 KiB
Objective-C
48 lines
1.6 KiB
Objective-C
//
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// BaseNavigationController.m
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// keyBoard
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//
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// Created by Mac on 2025/10/29.
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//
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#import "BaseNavigationController.h"
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@interface BaseNavigationController ()
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@end
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@implementation BaseNavigationController
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- (void)viewDidLoad {
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[super viewDidLoad];
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// 统一返回箭头样式与颜色
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UIImage *backImg = [UIImage imageNamed:@"back_black_icon"];
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if (backImg) {
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// 使用自定义返回指示图标；mask 用同一张图片
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self.navigationBar.backIndicatorImage = backImg;
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self.navigationBar.backIndicatorTransitionMaskImage = backImg;
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}
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self.navigationBar.tintColor = [UIColor blackColor]; // 箭头/按钮的着色
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// iOS 14+ 可以统一隐藏返回标题，避免出现“首页”字样
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if (@available(iOS 14.0, *)) {
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self.navigationBar.topItem.backButtonDisplayMode = UINavigationItemBackButtonDisplayModeMinimal;
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}
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}
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- (void)pushViewController:(UIViewController *)viewController animated:(BOOL)animated{
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if (self.viewControllers.count > 0) {
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viewController.hidesBottomBarWhenPushed = true;
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// 隐藏上一页提供的返回标题（如“首页”），只保留箭头
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UIViewController *prev = self.topViewController;
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if (@available(iOS 14.0, *)) {
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prev.navigationItem.backButtonDisplayMode = UINavigationItemBackButtonDisplayModeMinimal;
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} else {
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prev.navigationItem.backBarButtonItem = [[UIBarButtonItem alloc] initWithTitle:@"" style:UIBarButtonItemStylePlain target:nil action:nil];
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}
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}
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[super pushViewController:viewController animated:animated];
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}
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@end
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