swift navigation

Swift-Add a custom return button in the navigation bar and swift-navigation bar // 1. Add the return button Func addBackBtn (){ Let leftBtn: UIBarButtonItem = UIBarButtonItem (title: "back", style: UIBarButtonItemStyle. Plain, target: self, action: "actionBack ") LeftBtn. title = "back "; LeftBtn. tintColor = UICo

to the next page, the bar will automatically appear on the left side of the button, the text of the button is the default text content of the previous page Baritem, these are the default, will automatically help us build.Sometimes the problem is that if the "a" bar item's text content is very long, from a page push to B page, the text of the return button will be very long, so that the B page of the item content to squeeze to the right, this is very ugly.There are two ways we can handle this,1>

I. Create a project//slightly Two. Create a View controller (shortcut: Do not go to create a swift file, just do the following ） On the code (with comments) Appdelegate.swift // Appdelegate.swift Swift Uinavigationcontroller Navigation Controller // Created by Zhangbiao on 14-6-16. Copyright (c) 2014 ideals. All rights reserved. // Import UIKit @UIApplication

Swift-teaches you how to implement UISearchController animation effects on navigation ., This code snippet shows that I found various materials from the internet this week and modified it to get the upper and lower animation effects of the navigation: Step 1: => because this search requires an animation effect, the page must have a

Swift-UINavigationController: use of the code-only custom navigation controller and the toolbar at the bottom, ledcontroller Controller Step 1: Customize a class NTViewController, which inherits UITabBarController: /// NTViewController. swift // Housekeeper /// Created by Lu Yang on 15/10/20. // Copyright©November 2015. all rights reserved. // import Foundationim

Swift navigation controller, navigation controller class inherits Uitabbarcontroller, as shown in the following code: Appdelegate.swift//housekeeper////Created by Lu Yang on//. Copyright© years Niven Moore. All rights reserved. Import Foundation Import Uikit @UIApplicationMain class Appdelegate:uiresponder, uiapplicationdelegate {var wi Ndow:uiwindow?

Swift sets the navigation bar to be transparent, that is, to set an empty picture, but if you only set this code, does not work, but also need other settings, directly on the code 1. Set navigation bar Title properties: Set title Color Self.navigationcontroller?. Navigationbar.titletextattributes = [NSForegroundColorAttributeName:UIColor.white]

Navigation:1. Loading the progress bar2. Navigation bar add back, Close button Load progress barThe code is as follows:Self.progressView.trackTintColor = UIColor.whiteself.progressView.progressTintColor = Uicolor.colorwithhex (value: 0x72a438, alpha:1). Withalphacomponent (0.8) Self.progressView.frame = Cgrect.init (x:0, y:0, Width: UIScreen.main.bounds.width, height:1) Self.progressView.transform =

This method is called when the class is first created, and is called only once by the overrideclass func Initialize () { = Uinavigationbar.appearance () // set the navigation bar to become opaque, so that the origin of the coordinates of the view starts from the bottom edge of the navigation bar, or you can set the background picture to achieve this effect . false

导航项navigationBar?.pushNavigationItem(onMakeNavitem(), animated: true)}//删除导航项函数func onRemove(){if count > 1{//减少导航项数量count--//从导航条中移除最后一个导航项navigationBar?.popNavigationItemAnimated(true)}}//创建一个导航项func onMakeNavitem()->UINavigationItem{var navigationItem = UINavigationItem()//创建左边按钮var leftBtn = UIBarButtonItem(barButtonSystemItem: UIBarButtonSystemItem.Add,target: self, action: "onAdd")//创建右边按钮var rightBtn = UIBarButtonItem(barButtonSystemItem: UIBarButtonSystemItem.Cancel,target: self, action:

Create a single view appIn the View window stall a navigation controller, the default navigation controller is automatically associated with the table view, if not required, you can delete the automatically added table view, create a new view Controller can be associated with navigation controller. (Right-drag from Nav to view, select Rootview)650) this.width=650

Swift adds an item to the navigation to achieve page Jump, swiftitem // Add an item to the navigation barVar rightItem = UIBarButtonItem (title: "First", style: UIBarButtonItemStyle. Plain, target: self, action: "fisrtItem :")RightItem. title = "First"Self. navigationItem. rightBarButtonItem = rightItem Click Event Func fisrtItem (right: UIBarButtonItem){V

Navigation bar and Tabbar combination of projects, in our usual development will often see, below we through the custom Tabbar to achieve a navigation and tabbar combination of demo.1. Custom TabbarImport UIKitclassgoftabbarcontroller:uitabbarcontroller{Overridefunc viewdidload () {super.viewdidload (); Addtabbarchildviewcontroller (Gofmainviewcontroller (), title:"Home Page", ImageName:"Tab_home", Selected

Override navigation bar Back button methodFunc configbackbtn (), Void {Back buttonLet Backbutton = UIButton (type:. Custom)Set back arrow picture for buttonBackbutton.setimage (UIImage (named: "Navigationbar_goback_icon"), for:. Normal)Set frameBackbutton.frame = CGRect (x:200, Y:13, width:18, height:18)Backbutton.addtarget (Self, Action: #selector (back), for:. Touchupinside)Customize the navigation bar of

By default, the style of the navigation bar Uinavigationcontroller is simpler if you want to use code to modify the style. 1, modify the navigation bar background color Modify the navigation bar background colorSelf.navigationcontroller? Navigationbar.bartintcolor =Uicolor (red:55/255, green:186/255, blue:89/255, alpha:1) 2, modify th

Using Navigationitem.leftbarbuttonitem and Navigationitem.rightbarbuttonitem makes it easy to set the left and right buttons for the navigation bar separately, but only one button on the side. If you want to use multiple buttons on one side, you can do so by Leftbarbuttonitems and Rightbarbuttonitems. Here's a demonstration of adding two buttons to the right of the navigation bar (search

Step1: Customizes a class Ntviewcontroller, which inherits Uitabbarcontroller:////Ntviewcontroller.swift//Housekeeper////Created by Lu Yang on 15/10/20.//copyright©2015 year Niven Moore. All rights reserved.//Import Foundationimport UIKitclassntviewcontroller:uitabbarcontroller{var items=[]; //Page Initialization Overridefunc viewdidload () {super.viewdidload (); //1. Create a home navigation controllerLet vwindex=index (); Let Navindex=Uinavigatio

Items often use Uinavigationcontroller to navigate the individual pages, the return button on the left-hand side of the navigation bar, the default title text is the parent page title. However, if the title (title) text of the subpage is too long, the text of the return button disappears: Similarly, modify the text of the return button even if you set Navigationitem.backbarbuttonitem as a custom Uibarbuttonitem in

Extension homeviewcontroller{private func Setupnavigationbar () {/*** set navigation bar background color ***/ Navigationcontroller?. Navigationbar.bartintcolor = uicolor.red/*** Set nav bar title ***///Self.title = "NetEase News "Navigationcontroller?" Navigationbar.titletextattributes = [NSAttributedStringKey.foregroundColor:UIColor.white]//Custom View settings title Let Titlelabel = UILabel (Frame:cgrect (x:0, y:0, width:40, height:40)) Tit

Navigationcontroller (navigation Controller) view with a sliding gesture, as long as the left side of the screen drag the page to the right, you can slide back to the previous page. But this feature only slides to the left edge of the screen to trigger, we can slightly change, let it support full-screen sliding back. 1, Full screen slide return realization principle (1) The system takes the gesture is the Uiscreenedgepangesturerecognizer type obje