服务器之家

服务器之家 > 正文

Objective-C实现自定义的半透明导航

时间:2021-01-19 15:24     来源/作者:随心_而动

本文实例为大家分享了Objective-C半透明导航的具体实现代码,供大家参考,具体内容如下

?
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
#define kScreenWidth [[UIScreen mainScreen] bounds].size.width
#define kScreenHeight [[UIScreen mainScreen] bounds].size.height
 
#import "RSwenNav.h"
 
@implementation RSwenNav
{
 UIVisualEffectView *effectview;
}
-(instancetype)initWithFrame:(CGRect)frame{
 self=[super initWithFrame:frame];
 if (self) {
  UIBlurEffect *blur = [UIBlurEffect effectWithStyle:UIBlurEffectStyleLight];
 effectview = [[UIVisualEffectView alloc] initWithEffect:blur];
 effectview.frame=frame;
 [self addSubview:effectview];
 [self addSubviews];
 }
 return self;
}
 
//添加导航子视图
-(void)addSubviews{
 [self addSubview:self.backBtn];
 [self addSubview:self.titleLabel];
 [self addSubview:self.rightBtn];
 
}
-(UIButton *)backBtn{
 UIButton * btn=[UIButton buttonWithType:UIButtonTypeCustom];
 btn.frame=CGRectMake(20, 20, 60, 44);
 [btn setTitle:@"返回" forState:UIControlStateNormal];
 [btn addTarget:self action:@selector(RSwenNavback) forControlEvents:UIControlEventTouchUpInside];
 return btn;
}
 
-(UILabel *)titleLabel{
 UILabel * lable=[[UILabel alloc]init];
 lable.font=[UIFont systemFontOfSize:17];
 lable.textAlignment=NSTextAlignmentCenter;
 lable.frame=CGRectMake(100, 20, kScreenWidth-200, 44);
 lable.text=@"我的主页";
 return lable;
}
 
-(UIButton *)rightBtn{
 UIButton * btn=[UIButton buttonWithType:UIButtonTypeCustom];
 btn.frame=CGRectMake([UIScreen mainScreen].bounds.size.width-100, 20, 80, 44);
 [btn setTitle:@"保存" forState:UIControlStateNormal];
 [btn addTarget:self action:@selector(rightBtnClicked) forControlEvents:UIControlEventTouchUpInside];
 return btn;
}
 
#pragma 事件处理部分
 
//返回上个界面
-(void)RSwenNavback{
 //获取UIView的上层UIViewController
 id object = [self nextResponder];
 while (![object isKindOfClass:[UIViewController class]] &&
  
  object != nil) {
  
 object = [object nextResponder];
  
 }
 UIViewController *uc=(UIViewController*)object;
 
 [uc.navigationController popViewControllerAnimated:YES];
}
 
//右侧按钮被点击
-(void)rightBtnClicked{
 if ([_delegate respondsToSelector:@selector(RSwenNavrightBtnClicked)]) {
 [_delegate RSwenNavrightBtnClicked];
 }
}
 
@end

以上就是本文的全部内容,希望对大家的学习有所帮助。

标签:

相关文章

热门资讯

2020微信伤感网名听哭了 让对方看到心疼的伤感网名大全
2020微信伤感网名听哭了 让对方看到心疼的伤感网名大全 2019-12-26
Intellij idea2020永久破解,亲测可用!!!
Intellij idea2020永久破解,亲测可用!!! 2020-07-29
背刺什么意思 网络词语背刺是什么梗
背刺什么意思 网络词语背刺是什么梗 2020-05-22
苹果12mini价格表官网报价 iPhone12mini全版本价格汇总
苹果12mini价格表官网报价 iPhone12mini全版本价格汇总 2020-11-13
歪歪漫画vip账号共享2020_yy漫画免费账号密码共享
歪歪漫画vip账号共享2020_yy漫画免费账号密码共享 2020-04-07
返回顶部