我在构建约束方面遇到问题。我是使用视觉格式语言的新手。我需要帮助。我对两个图像进行了限制,高度还可以,但水平放置已关闭。它们似乎以不同的长度放置在不同的设备上。我试图将它们保持在一个按钮的中心,但是尽管手机的宽度很大,但这两个图像始终遵循左侧和右侧的 -70- 。如何让它适应手机的宽度?哦,考虑我有图像 setTranslatesAutoresizingMaskIntoConstraints(false)
// Constraint Views
let views = ["view": view,
"topHeader": topHeader,
"topBannerView": topBannerView,
"backGroundView": backGroundView,
"wolLogoView":wolLogoView,
"backGround2View": backGround2View,
"pictureView": pictureView,
"wolMottoView": wolMottoView,
"menuButton": menuButton,
"buttonMenuView": buttonMenuView,
"featListings": featListings,
"scrollView": scrollView,
"button1": button1,
"busLogoView": busLogoView,
"button2": button2,
"classLogoView": classLogoView,
"button3": button3,
"forwardLogoView": forwardLogoView,
]
// CONSTRAINTS -----------------------------------------------------
// backGround
var constHBackground = NSLayoutConstraint.constraintsWithVisualFormat("H:|[backGround2View]|", options: nil, metrics: nil, views: views)
view.addConstraints(constHBackground)
var constVBackground = NSLayoutConstraint.constraintsWithVisualFormat("V:|-17-[backGround2View(>=100)]-0-[backGroundView(==backGround2View)]|", options: nil, metrics: nil, views: views)
view.addConstraints(constVBackground)
// topHeader
var constHHeader = NSLayoutConstraint.constraintsWithVisualFormat("H:[view]-(<=0)-[topHeader(==view)]", options: .AlignAllTop, metrics: nil, views: views)
view.addConstraints(constHHeader)
var constVHeader = NSLayoutConstraint.constraintsWithVisualFormat("V:[view]-(<=0)-[topHeader(17)]", options: .AlignAllCenterX, metrics: nil, views: views)
view.addConstraints(constVHeader)
// topBannerView
var constHBanner = NSLayoutConstraint.constraintsWithVisualFormat("H:|[topBannerView(==view)]|", options: nil, metrics: nil, views: views)
view.addConstraints(constHBanner)
var constVBanner = NSLayoutConstraint.constraintsWithVisualFormat("V:|-17-[topBannerView(50)]|", options: .AlignAllCenterX, metrics: nil, views: views)
view.addConstraints(constVBanner)
// wolLogo
var constHWolLogo = NSLayoutConstraint.constraintsWithVisualFormat("H:|-55-[wolLogoView(>=0)]-60-|", options: nil, metrics: nil, views: views)
view.addConstraints(constHWolLogo)
var constVWolLogo = NSLayoutConstraint.constraintsWithVisualFormat("V:|-10-[wolLogoView(28)]|", options: nil, metrics: nil, views: views)
view.addConstraints(constVWolLogo)
// picture view
var constHPic = NSLayoutConstraint.constraintsWithVisualFormat("H:|[pictureView]|", options: nil, metrics: nil, views: views)
view.addConstraints(constHPic)
var constVPic = NSLayoutConstraint.constraintsWithVisualFormat("V:|-85-[pictureView(>=0)]-0-[backGroundView]|", options: nil, metrics: nil, views: views)
view.addConstraints(constVPic)
// wolMotto
var constHWolMotto = NSLayoutConstraint.constraintsWithVisualFormat("H:|-20-[wolMottoView(>=0)]-20-|", options: nil, metrics: nil, views: views)
view.addConstraints(constHWolMotto)
var constVWolMotto = NSLayoutConstraint.constraintsWithVisualFormat("V:|-69-[wolMottoView(35)]|", options: nil, metrics: nil, views: views)
view.addConstraints(constVWolMotto)
// menuButton
var constHMenuButton = NSLayoutConstraint.constraintsWithVisualFormat("H:|[menuButton(40)]|", options: nil, metrics: nil, views: views)
view.addConstraints(constHMenuButton)
var constVMenuButton = NSLayoutConstraint.constraintsWithVisualFormat("V:|-22-[menuButton(40)]|", options: nil, metrics: nil, views: views)
view.addConstraints(constVMenuButton)
// buttonMenuView
var constHButtonMenu = NSLayoutConstraint.constraintsWithVisualFormat("H:|[buttonMenuView(==menuButton)]|", options: nil, metrics: nil, views: views)
view.addConstraints(constHButtonMenu)
var constVButtonMenu = NSLayoutConstraint.constraintsWithVisualFormat("V:|-20-[buttonMenuView(==menuButton)]|", options: nil, metrics: nil, views: views)
view.addConstraints(constVButtonMenu)
// featListings
var constHFeatListing = NSLayoutConstraint.constraintsWithVisualFormat("H:|-0-[featListings]|", options: nil, metrics: nil, views: views)
view.addConstraints(constHFeatListing)
var constVFeatListing = NSLayoutConstraint.constraintsWithVisualFormat("V:|-85-[pictureView][featListings][scrollView]-130-|", options: nil, metrics: nil, views: views)
view.addConstraints(constVFeatListing)
// button3
var constHButton3 = NSLayoutConstraint.constraintsWithVisualFormat("H:|-(>=0)-[button3(100)]-(<=0)-|", options: nil, metrics: nil, views: views)
view.addConstraints(constHButton3)
var constVButton3 = NSLayoutConstraint.constraintsWithVisualFormat("V:|-85-[pictureView][button3][scrollView]-130-|", options: nil, metrics: nil, views: views)
view.addConstraints(constVButton3)
// forwardLogoView
var constHForwardLogoView = NSLayoutConstraint.constraintsWithVisualFormat("H:|-(>=0)-[forwardLogoView(23)]-(<=0)-|", options: nil, metrics: nil, views: views)
view.addConstraints(constHForwardLogoView)
var constVForwardLogoView = NSLayoutConstraint.constraintsWithVisualFormat("V:|-85-[pictureView][forwardLogoView(>=0)][scrollView]-130-|", options: nil, metrics: nil, views: views)
view.addConstraints(constVForwardLogoView)
// scrollView
var constHScrollView = NSLayoutConstraint.constraintsWithVisualFormat("H:|[scrollView]|", options: nil, metrics: nil, views: views)
view.addConstraints(constHScrollView)
var constVScrollView = NSLayoutConstraint.constraintsWithVisualFormat("V:|-85-[pictureView]-30-[scrollView(>=0)]-130-|", options: nil, metrics: nil, views: views)
view.addConstraints(constVScrollView)
// button1 and button2
var constHButton1 = NSLayoutConstraint.constraintsWithVisualFormat("H:|-15-[button1(<=220)]-20-[button2(==button1)]-15-|", options: nil, metrics: nil, views: views)
view.addConstraints(constHButton1)
var constVButton1 = NSLayoutConstraint.constraintsWithVisualFormat("V:|-85-[pictureView]-30-[scrollView(>=0)]-20-[button1(80)]-25-|", options: nil, metrics: nil, views: views)
view.addConstraints(constVButton1)
var constVButton2 = NSLayoutConstraint.constraintsWithVisualFormat("V:|-85-[pictureView]-30-[scrollView(>=0)]-20-[button2(80)]-25-|", options: nil, metrics: nil, views: views)
view.addConstraints(constVButton2)
// busLogoView and classLogoView
var constHBusLogoView = NSLayoutConstraint.constraintsWithVisualFormat("H:|-50-[busLogoView]-100-[classLogoView(==busLogoView)]-50-|", options: nil, metrics: nil, views: views)
view.addConstraints(constHBusLogoView)
var constVBusLogoView = NSLayoutConstraint.constraintsWithVisualFormat("V:|-85-[pictureView]-30-[scrollView(>=0)]-20-[busLogoView(<=50)]-45-|", options: nil, metrics: nil, views: views)
view.addConstraints(constVBusLogoView)
var constVClassLogoView = NSLayoutConstraint.constraintsWithVisualFormat("V:|-85-[pictureView]-30-[scrollView(>=0)]-20-[classLogoView(==busLogoView)]-45-|", options: nil, metrics: nil, views: views)
view.addConstraints(constVClassLogoView)
我知道这很难看哈哈。就像我说的,这是我第一次做约束。对不起!