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TabBarItem系统自带图标样式（System）介绍：
More：三个点的图标，表示更多意思
Favorites：星形图标
Featured：星形图标
Top Tated：星形图标
Recents：时钟图标
Contacts：一个圆形一个人头像的图标，代表联系方式
History：时钟图标
Bookmarks：书本图标
Search：放大镜图标，代表搜索的意思
Downloads：正方形，加一个向下的箭头，代表下载的意思
Most Recent：时钟图标
Most Viewed：三条杠的笔记本纸片图标
下面演示了两种创建标签页的方法。
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3，使用代码实现标签页控制器（TabBarController）
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--- MainTabViewController.swift ---
UITabBarController
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--- MainViewController.swift ---
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--- SettingViewController.swift ---
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1，使用storyboard设计标签页
(1)新建一个Simple View Application，然后删除原来的View Controller并拖入一个Tab Bar Controller，默认就带有两个标签页，每个标签页都在一个View Controller里。
(2)项目新建为Tabbed Application模板也可实现上面的效果。
(3)如果想要添加新的标签页，可以在storyboard里拖入更多的View Controller，每个View Controller放入一个Tab Bar Item。然后建立Tab Bar Controller和新建的View Controller之间的segue关联。即按住Ctrl键，拖动Tab Bar Controller到View Controller，在弹出的上下文菜单中选择View Controller即可。
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import
UIKit
class
ViewController
:
UIViewController
,
UITabBarDelegate
{
//添加Tab Bar控件
var
tabBar:
UITabBar
!
//Tab Bar Item的名称数组
tabs = [
"公开课"
"全栈课"
"设置"
]
//Tab Bar上方的容器
contentView:
UIView
!
override
func
viewDidLoad() {
super
.viewDidLoad()
// Do any additional setup after loading the view,typically from a nib.
//在底部创建Tab Bar
tabBar =
(frame:
CGRectMake
(0,147)!important">CGRectGetHeight
(
self
.view.bounds)-64,147)!important">CGRectGetWidth
.view.bounds),44))
items:[
UITabBarItem
] = []
for
tab
in
.tabs {
tabItem =
()
tabItem.title = tab
items.append(tabItem)
}
//设置Tab Bar的标签页
tabBar.setItems(items,animated:
true
)
//本类实现UITabBarDelegate代理，切换标签页时能响应事件
tabBar.delegate =
self
.view.addSubview(tabBar);
//上方的容器
contentView =
(frame:
.view.bounds)-44))
.view.addSubview(contentView)
lbl =
UILabel
(frame:
(100,200,100,20))
lbl.tag = 1
contentView.addSubview(lbl)
}
didReceiveMemoryWarning() {
.didReceiveMemoryWarning()
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}
tabBar(tabBar:
!,didSelectItem item:
!) {
(contentView.viewWithTag(1)
as
).text = item.title
}
}
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--- ViewController.swift ---
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viewDidLoad() {
.viewDidLoad()
let
button:
UIButton
=
(type:
UIButtonType
.
System
)
button.frame=
button.setTitle(
"开始游戏"
UIControlState
Normal
)
button.addTarget(
Selector
(
"tapped"
),forControlEvents:
UIControlEvents
TouchUpInside
)
.view.addSubview(button);
}
tapped(){
.presentViewController(
MainTabViewController
(),completion:
nil
)
}
didReceiveMemoryWarning() {
.didReceiveMemoryWarning()
// Dispose of any resources that can be recreated.
}
}
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|
//改成主视图背景白色背景
.view.backgroundColor =
UIColor
.whiteColor()
}
didReceiveMemoryWarning() {
.didReceiveMemoryWarning()
// Dispose of any resources that can be recreated.
}
}
|
| (red:109/255,green:218/255,blue:255/255,alpha:1)
}
didReceiveMemoryWarning() {
.didReceiveMemoryWarning()
// Dispose of any resources that can be recreated.
}
}
|
原文出自： www.hangge.com 转载请保留原文链接： http://www.hangge.com/blog/cache/detail_592.html 原文链接：https://www.f2er.com/swift/324794.html
