Ios 在SwiftUI/Swift/Objective-C/Xamarin中添加要查看的底线
我只想在Ios 在SwiftUI/Swift/Objective-C/Xamarin中添加要查看的底线,ios,objective-c,swift,xamarin,swiftui,Ios,Objective C,Swift,Xamarin,Swiftui,我只想在UITextField中保留底部的边框。 但我不知道我们怎样才能把它保持在底部 您能告诉我吗?您可以为下边框创建一个图像,并将其设置为UITextField的背景: yourTextField.backgroundColor = [UIColor colorWithPatternImage:[UIImage imageNamed:@"yourBorderedImageName"]]; 或者将borderStyle设置为none,并将线条的图像长度与textfield完全相等 我正在创
UITextField
中保留底部的边框。
但我不知道我们怎样才能把它保持在底部
您能告诉我吗?您可以为下边框创建一个图像,并将其设置为UITextField的背景:
yourTextField.backgroundColor = [UIColor colorWithPatternImage:[UIImage imageNamed:@"yourBorderedImageName"]];
或者将borderStyle设置为none,并将线条的图像长度与textfield完全相等 我正在创建自定义
textField
,使其成为SwiftUI的可重用组件
SwiftUI
struct CustomTextField: View {
var placeHolder: String
@Binding var value: String
var lineColor: Color
var width: CGFloat
var body: some View {
VStack {
TextField(self.placeHolder, text: $value)
.padding()
.font(.title)
Rectangle().frame(height: self.width)
.padding(.horizontal, 20).foregroundColor(self.lineColor)
}
}
}
struct MyTextField: View {
var myPlaceHolder: String
@Binding var text: String
var underColor: Color
var height: CGFloat
var body: some View {
VStack {
TextField(self.myPlaceHolder, text: $text)
.padding()
.font(.title)
Rectangle().frame(height: self.height)
.padding(.horizontal, 24).foregroundColor(self.underColor)
}
}
}
用法:
@Binding var userName: String
@Binding var password: String
var body: some View {
VStack(alignment: .center) {
CustomTextField(placeHolder: "Username", value: $userName, lineColor: .white, width: 2)
CustomTextField(placeHolder: "Password", value: $password, lineColor: .white, width: 2)
}
}
textField.addLine(position: .LINE_POSITION_BOTTOM, color: .darkGray, width: 0.5)
[self addLine:self.textField atPosition:LINE_POSITION_TOP withColor:[UIColor darkGrayColor] lineWitdh:0.5];
var border = new CALayer();
nfloat width = 2;
border.BorderColor = UIColor.Black.CGColor;
border.Frame = new CoreGraphics.CGRect(0, textField.Frame.Size.Height - width, textField.Frame.Size.Width, textField.Frame.Size.Height);
border.BorderWidth = width;
textField.Layer.AddSublayer(border);
textField.Layer.MasksToBounds = true;
Swift 5.0
extension UITextField {
func addUnderline() {
let layer = CALayer()
layer.backgroundColor = #colorLiteral(red: 0.6666666865, green: 0.6666666865, blue: 0.6666666865, alpha: 1)
layer.frame = CGRect(x: 0.0, y: self.frame.size.height - 1.0, width: self.frame.size.width, height: 1.0)
self.clipsToBounds = true
self.layer.addSublayer(layer)
self.setNeedsDisplay()} }
我在这里使用视觉格式语言(VFL),这将允许向任何UIControl
添加一行
您可以创建UIView
扩展类,如UIView+extension.swift
import UIKit
enum LinePosition {
case top
case bottom
}
extension UIView {
func addLine(position: LinePosition, color: UIColor, width: Double) {
let lineView = UIView()
lineView.backgroundColor = color
lineView.translatesAutoresizingMaskIntoConstraints = false // This is important!
self.addSubview(lineView)
let metrics = ["width" : NSNumber(value: width)]
let views = ["lineView" : lineView]
self.addConstraints(NSLayoutConstraint.constraints(withVisualFormat: "H:|[lineView]|", options:NSLayoutConstraint.FormatOptions(rawValue: 0), metrics:metrics, views:views))
switch position {
case .top:
self.addConstraints(NSLayoutConstraint.constraints(withVisualFormat: "V:|[lineView(width)]", options:NSLayoutConstraint.FormatOptions(rawValue: 0), metrics:metrics, views:views))
break
case .bottom:
self.addConstraints(NSLayoutConstraint.constraints(withVisualFormat: "V:[lineView(width)]|", options:NSLayoutConstraint.FormatOptions(rawValue: 0), metrics:metrics, views:views))
break
}
}
}
用法:
@Binding var userName: String
@Binding var password: String
var body: some View {
VStack(alignment: .center) {
CustomTextField(placeHolder: "Username", value: $userName, lineColor: .white, width: 2)
CustomTextField(placeHolder: "Password", value: $password, lineColor: .white, width: 2)
}
}
textField.addLine(position: .LINE_POSITION_BOTTOM, color: .darkGray, width: 0.5)
[self addLine:self.textField atPosition:LINE_POSITION_TOP withColor:[UIColor darkGrayColor] lineWitdh:0.5];
var border = new CALayer();
nfloat width = 2;
border.BorderColor = UIColor.Black.CGColor;
border.Frame = new CoreGraphics.CGRect(0, textField.Frame.Size.Height - width, textField.Frame.Size.Width, textField.Frame.Size.Height);
border.BorderWidth = width;
textField.Layer.AddSublayer(border);
textField.Layer.MasksToBounds = true;
目标C:
@Binding var userName: String
@Binding var password: String
var body: some View {
VStack(alignment: .center) {
CustomTextField(placeHolder: "Username", value: $userName, lineColor: .white, width: 2)
CustomTextField(placeHolder: "Password", value: $password, lineColor: .white, width: 2)
}
}
textField.addLine(position: .LINE_POSITION_BOTTOM, color: .darkGray, width: 0.5)
[self addLine:self.textField atPosition:LINE_POSITION_TOP withColor:[UIColor darkGrayColor] lineWitdh:0.5];
var border = new CALayer();
nfloat width = 2;
border.BorderColor = UIColor.Black.CGColor;
border.Frame = new CoreGraphics.CGRect(0, textField.Frame.Size.Height - width, textField.Frame.Size.Width, textField.Frame.Size.Height);
border.BorderWidth = width;
textField.Layer.AddSublayer(border);
textField.Layer.MasksToBounds = true;
可以将此帮助器方法添加到全局帮助器类(我使用了全局类方法)或同一视图控制器(使用实例方法)
用法:
@Binding var userName: String
@Binding var password: String
var body: some View {
VStack(alignment: .center) {
CustomTextField(placeHolder: "Username", value: $userName, lineColor: .white, width: 2)
CustomTextField(placeHolder: "Password", value: $password, lineColor: .white, width: 2)
}
}
textField.addLine(position: .LINE_POSITION_BOTTOM, color: .darkGray, width: 0.5)
[self addLine:self.textField atPosition:LINE_POSITION_TOP withColor:[UIColor darkGrayColor] lineWitdh:0.5];
var border = new CALayer();
nfloat width = 2;
border.BorderColor = UIColor.Black.CGColor;
border.Frame = new CoreGraphics.CGRect(0, textField.Frame.Size.Height - width, textField.Frame.Size.Width, textField.Frame.Size.Height);
border.BorderWidth = width;
textField.Layer.AddSublayer(border);
textField.Layer.MasksToBounds = true;
Xamarin代码:
@Binding var userName: String
@Binding var password: String
var body: some View {
VStack(alignment: .center) {
CustomTextField(placeHolder: "Username", value: $userName, lineColor: .white, width: 2)
CustomTextField(placeHolder: "Password", value: $password, lineColor: .white, width: 2)
}
}
textField.addLine(position: .LINE_POSITION_BOTTOM, color: .darkGray, width: 0.5)
[self addLine:self.textField atPosition:LINE_POSITION_TOP withColor:[UIColor darkGrayColor] lineWitdh:0.5];
var border = new CALayer();
nfloat width = 2;
border.BorderColor = UIColor.Black.CGColor;
border.Frame = new CoreGraphics.CGRect(0, textField.Frame.Size.Height - width, textField.Frame.Size.Width, textField.Frame.Size.Height);
border.BorderWidth = width;
textField.Layer.AddSublayer(border);
textField.Layer.MasksToBounds = true;
目标C
[txt.layer setBackgroundColor: [[UIColor whiteColor] CGColor]];
[txt.layer setBorderColor: [[UIColor grayColor] CGColor]];
[txt.layer setBorderWidth: 0.0];
[txt.layer setCornerRadius:12.0f];
[txt.layer setMasksToBounds:NO];
[txt.layer setShadowRadius:2.0f];
txt.layer.shadowColor = [[UIColor blackColor] CGColor];
txt.layer.shadowOffset = CGSizeMake(1.0f, 1.0f);
txt.layer.shadowOpacity = 1.0f;
txt.layer.shadowRadius = 1.0f;
Swift
txt.layer.backgroundColor = UIColor.white.cgColor
txt.layer.borderColor = UIColor.gray.cgColor
txt.layer.borderWidth = 0.0
txt.layer.cornerRadius = 5
txt.layer.masksToBounds = false
txt.layer.shadowRadius = 2.0
txt.layer.shadowColor = UIColor.black.cgColor
txt.layer.shadowOffset = CGSize.init(width: 1.0, height: 1.0)
txt.layer.shadowOpacity = 1.0
txt.layer.shadowRadius = 1.0
然后就这样做:
yourTextField.setBottomBorder(color: "#3EFE46")
您可以创建
UITextField
的子类,如下所示:
class TextField : UITextField {
override var tintColor: UIColor! {
didSet {
setNeedsDisplay()
}
}
override func draw(_ rect: CGRect) {
let startingPoint = CGPoint(x: rect.minX, y: rect.maxY)
let endingPoint = CGPoint(x: rect.maxX, y: rect.maxY)
let path = UIBezierPath()
path.move(to: startingPoint)
path.addLine(to: endingPoint)
path.lineWidth = 2.0
tintColor.setStroke()
path.stroke()
}
}
我所做的是为UITextField创建一个扩展,并添加一个Designer可编辑属性。将此属性设置为任何颜色会将边框(底部)更改为该颜色(将其他边框设置为无) 因为这也需要更改占位符文本的颜色,所以我还将其添加到扩展中
extension UITextField {
@IBInspectable var placeHolderColor: UIColor? {
get {
return self.placeHolderColor
}
set {
self.attributedPlaceholder = NSAttributedString(string:self.placeholder != nil ? self.placeholder! : "", attributes:[NSForegroundColorAttributeName: newValue!])
}
}
@IBInspectable var bottomBorderColor: UIColor? {
get {
return self.bottomBorderColor
}
set {
self.borderStyle = UITextBorderStyle.None;
let border = CALayer()
let width = CGFloat(0.5)
border.borderColor = newValue?.CGColor
border.frame = CGRect(x: 0, y: self.frame.size.height - width, width: self.frame.size.width, height: self.frame.size.height)
border.borderWidth = width
self.layer.addSublayer(border)
self.layer.masksToBounds = true
}
}
}
您可以在类外创建此扩展,并用所需的任何边界宽度替换宽度 Swift 4
extension UITextField
{
func setBottomBorder(withColor color: UIColor)
{
self.borderStyle = UITextBorderStyle.none
self.backgroundColor = UIColor.clear
let width: CGFloat = 1.0
let borderLine = UIView(frame: CGRect(x: 0, y: self.frame.height - width, width: self.frame.width, height: width))
borderLine.backgroundColor = color
self.addSubview(borderLine)
}
}
原创
extension UITextField
{
func setBottomBorder(borderColor: UIColor)
{
self.borderStyle = UITextBorderStyle.None
self.backgroundColor = UIColor.clearColor()
let width = 1.0
let borderLine = UIView(frame: CGRectMake(0, self.frame.height - width, self.frame.width, width))
borderLine.backgroundColor = borderColor
self.addSubview(borderLine)
}
}
然后将其添加到viewDidLoad中,并用UITextField变量和边框中所需的任何颜色替换您的TextField
yourTextField.setBottomBorder(UIColor.blackColor())
这基本上会在文本字段底部添加一个具有该颜色的视图。在Swift 3上。可以在视图类之后创建扩展并添加
extension UITextField
{
func setBottomBorder(borderColor: UIColor)
{
self.borderStyle = UITextBorderStyle.none
self.backgroundColor = UIColor.clear
let width = 1.0
let borderLine = UIView()
borderLine.frame = CGRect(x: 0, y: Double(self.frame.height) - width, width: Double(self.frame.width), height: width)
borderLine.backgroundColor = borderColor
self.addSubview(borderLine)
}
}
如果要在事先不知道帧的情况下执行,不进行子类化和不进行自动布局: Swift 5/Swift 4.x/Swift 3.x
extension UITextField {
func setBottomBorder() {
self.borderStyle = .none
self.layer.backgroundColor = UIColor.white.cgColor
self.layer.masksToBounds = false
self.layer.shadowColor = UIColor.gray.cgColor
self.layer.shadowOffset = CGSize(width: 0.0, height: 1.0)
self.layer.shadowOpacity = 1.0
self.layer.shadowRadius = 0.0
}
}
从任意位置调用yourTextField.setBottomBorder()
,但不确定帧是否正确
结果如下所示:
Swift用户界面
struct CustomTextField: View {
var placeHolder: String
@Binding var value: String
var lineColor: Color
var width: CGFloat
var body: some View {
VStack {
TextField(self.placeHolder, text: $value)
.padding()
.font(.title)
Rectangle().frame(height: self.width)
.padding(.horizontal, 20).foregroundColor(self.lineColor)
}
}
}
struct MyTextField: View {
var myPlaceHolder: String
@Binding var text: String
var underColor: Color
var height: CGFloat
var body: some View {
VStack {
TextField(self.myPlaceHolder, text: $text)
.padding()
.font(.title)
Rectangle().frame(height: self.height)
.padding(.horizontal, 24).foregroundColor(self.underColor)
}
}
}
您可以使用此有组织的,也可以自定义此扩展: 视图中出现的“单行实现”(以便帧大小正确):
这是带有@IBInspectable的swift3代码 创建一个新文件Cocoa Touch Class Swift文件
import UIKit
extension UIView {
@IBInspectable var cornerRadius: CGFloat {
get {
return layer.cornerRadius
}
set {
layer.cornerRadius = newValue
layer.masksToBounds = newValue > 0
}
}
@IBInspectable var borderWidth: CGFloat {
get {
return layer.borderWidth
}
set {
layer.borderWidth = newValue
}
}
@IBInspectable var borderColor: UIColor? {
get {
return UIColor(cgColor: layer.borderColor!)
}
set {
layer.borderColor = newValue?.cgColor
}
}
@IBInspectable var leftBorderWidth: CGFloat {
get {
return 0.0 // Just to satisfy property
}
set {
let line = UIView(frame: CGRect(x: 0.0, y: 0.0, width: newValue, height: bounds.height))
line.translatesAutoresizingMaskIntoConstraints = false
line.backgroundColor = UIColor(cgColor: layer.borderColor!)
line.tag = 110
self.addSubview(line)
let views = ["line": line]
let metrics = ["lineWidth": newValue]
addConstraints(NSLayoutConstraint.constraints(withVisualFormat: "|[line(==lineWidth)]", options: [], metrics: metrics, views: views))
addConstraints(NSLayoutConstraint.constraints(withVisualFormat: "V:|[line]|", options: [], metrics: nil, views: views))
}
}
@IBInspectable var topBorderWidth: CGFloat {
get {
return 0.0 // Just to satisfy property
}
set {
let line = UIView(frame: CGRect(x: 0.0, y: 0.0, width: bounds.width, height: newValue))
line.translatesAutoresizingMaskIntoConstraints = false
line.backgroundColor = borderColor
line.tag = 110
self.addSubview(line)
let views = ["line": line]
let metrics = ["lineWidth": newValue]
addConstraints(NSLayoutConstraint.constraints(withVisualFormat: "|[line]|", options: [], metrics: nil, views: views))
addConstraints(NSLayoutConstraint.constraints(withVisualFormat: "V:|[line(==lineWidth)]", options: [], metrics: metrics, views: views))
}
}
@IBInspectable var rightBorderWidth: CGFloat {
get {
return 0.0 // Just to satisfy property
}
set {
let line = UIView(frame: CGRect(x: bounds.width, y: 0.0, width: newValue, height: bounds.height))
line.translatesAutoresizingMaskIntoConstraints = false
line.backgroundColor = borderColor
line.tag = 110
self.addSubview(line)
let views = ["line": line]
let metrics = ["lineWidth": newValue]
addConstraints(NSLayoutConstraint.constraints(withVisualFormat: "[line(==lineWidth)]|", options: [], metrics: metrics, views: views))
addConstraints(NSLayoutConstraint.constraints(withVisualFormat: "V:|[line]|", options: [], metrics: nil, views: views))
}
}
@IBInspectable var bottomBorderWidth: CGFloat {
get {
return 0.0 // Just to satisfy property
}
set {
let line = UIView(frame: CGRect(x: 0.0, y: bounds.height, width: bounds.width, height: newValue))
line.translatesAutoresizingMaskIntoConstraints = false
line.backgroundColor = borderColor
line.tag = 110
self.addSubview(line)
let views = ["line": line]
let metrics = ["lineWidth": newValue]
addConstraints(NSLayoutConstraint.constraints(withVisualFormat: "|[line]|", options: [], metrics: nil, views: views))
addConstraints(NSLayoutConstraint.constraints(withVisualFormat: "V:[line(==lineWidth)]|", options: [], metrics: metrics, views: views))
}
}
func removeborder() {
for view in self.subviews {
if view.tag == 110 {
view.removeFromSuperview()
}
}
}
}
并用下面的代码替换该文件,您将在序列图像板属性检查器中获得如下选项
享受:)这些解决方案都没有真正达到我的期望。我想子类文本字段,因为我不想一直手动设置边框。我还想更改边框颜色,例如错误。下面是我的
锚定解决方案
:
class CustomTextField: UITextField {
var bottomBorder = UIView()
override func awakeFromNib() {
// Setup Bottom-Border
self.translatesAutoresizingMaskIntoConstraints = false
bottomBorder = UIView.init(frame: CGRect(x: 0, y: 0, width: 0, height: 0))
bottomBorder.backgroundColor = UIColor(rgb: 0xE2DCD1) // Set Border-Color
bottomBorder.translatesAutoresizingMaskIntoConstraints = false
addSubview(bottomBorder)
bottomBorder.bottomAnchor.constraint(equalTo: bottomAnchor).isActive = true
bottomBorder.leftAnchor.constraint(equalTo: leftAnchor).isActive = true
bottomBorder.rightAnchor.constraint(equalTo: rightAnchor).isActive = true
bottomBorder.heightAnchor.constraint(equalToConstant: 1).isActive = true // Set Border-Strength
}
}
----可选的----
要更改颜色,请在CustomTextField类中添加如下内容:
@IBInspectable var hasError: Bool = false {
didSet {
if (hasError) {
bottomBorder.backgroundColor = UIColor.red
} else {
bottomBorder.backgroundColor = UIColor(rgb: 0xE2DCD1)
}
}
}
要触发错误,请在创建CustomTextField实例后调用此命令
textField.hasError = !textField.hasError
希望它能帮助别人;) **此处myTF是MT文本字段的出口**
let border = CALayer()
let width = CGFloat(2.0)
border.borderColor = UIColor.darkGray.cgColor
border.frame = CGRect(x: 0, y: self.myTF.frame.size.height - width, width: self.myTF.frame.size.width, height: self.myTF.frame.size.height)
border.borderWidth = width
self.myTF.layer.addSublayer(border)
self.myTF.layer.masksToBounds = true
}
viewdidload上的调用方法
mobileNumberTextField.underlinedLogin()
passwordTextField.underlinedLogin()
//在主板上选择“相似”文本字段
请查看下面的代码示例
Swift 4:
@Binding var userName: String
@Binding var password: String
var body: some View {
VStack(alignment: .center) {
CustomTextField(placeHolder: "Username", value: $userName, lineColor: .white, width: 2)
CustomTextField(placeHolder: "Password", value: $password, lineColor: .white, width: 2)
}
}
textField.addLine(position: .LINE_POSITION_BOTTOM, color: .darkGray, width: 0.5)
[self addLine:self.textField atPosition:LINE_POSITION_TOP withColor:[UIColor darkGrayColor] lineWitdh:0.5];
var border = new CALayer();
nfloat width = 2;
border.BorderColor = UIColor.Black.CGColor;
border.Frame = new CoreGraphics.CGRect(0, textField.Frame.Size.Height - width, textField.Frame.Size.Width, textField.Frame.Size.Height);
border.BorderWidth = width;
textField.Layer.AddSublayer(border);
textField.Layer.MasksToBounds = true;
@IBDesignable类DesignableUITextField:UITextField{
让border=CALayer()
@IBInspectable var borderColor:UIColor{
迪塞特{
设置()
}
}
@IBInspectable var borderWidth:CGFloat=0.5{
迪塞特{
设置()
}
}
函数设置(){
border.borderColor=self.borderColor?.cgColor
border.borderWidth=borderWidth
self.layer.addSublayer(边框)
self.layer.masksToBounds=true
}
覆盖func布局子视图(){
super.layoutSubviews()
border.frame=CGRect(x:0,y:self.frame.size.height-borderWidth,width:self.frame.size.width,height:self.frame.size.height)
}
}
查看:(最推荐)
使用UIView扩展,它适用于所有类型的UIView
子类(视图、文本文件、标签等)
它更简单方便。但是唯一的条件是视图必须包含自动布局
extension UIView {
enum Line_Position {
case top
case bottom
}
func addLine(position : Line_Position, color: UIColor, height: Double) {
let lineView = UIView()
lineView.backgroundColor = color
lineView.translatesAutoresizingMaskIntoConstraints = false // This is important!
self.addSubview(lineView)
let metrics = ["width" : NSNumber(value: height)]
let views = ["lineView" : lineView]
self.addConstraints(NSLayoutConstraint.constraints(withVisualFormat: "H:|[lineView]|", options:NSLayoutConstraint.FormatOptions(rawValue: 0), metrics:metrics, views:views))
switch position {
case .top:
self.addConstraints(NSLayoutConstraint.constraints(withVisualFormat: "V:|[lineView(width)]", options:NSLayoutConstraint.FormatOptions(rawValue: 0), metrics:metrics, views:views))
break
case .bottom:
self.addConstraints(NSLayoutConstraint.constraints(withVisualFormat: "V:[lineView(width)]|", options:NSLayoutConstraint.FormatOptions(rawValue: 0), metrics:metrics, views:views))
break
}
}
}
如何使用?
// UILabel
self.lblDescription.addLine(position: .bottom, color: UIColor.blue, height: 1.0)
及
更新代码:
@Binding var userName: String
@Binding var password: String
var body: some View {
VStack(alignment: .center) {
CustomTextField(placeHolder: "Username", value: $userName, lineColor: .white, width: 2)
CustomTextField(placeHolder: "Password", value: $password, lineColor: .white, width: 2)
}
}
textField.addLine(position: .LINE_POSITION_BOTTOM, color: .darkGray, width: 0.5)
[self addLine:self.textField atPosition:LINE_POSITION_TOP withColor:[UIColor darkGrayColor] lineWitdh:0.5];
var border = new CALayer();
nfloat width = 2;
border.BorderColor = UIColor.Black.CGColor;
border.Frame = new CoreGraphics.CGRect(0, textField.Frame.Size.Height - width, textField.Frame.Size.Width, textField.Frame.Size.Height);
border.BorderWidth = width;
textField.Layer.AddSublayer(border);
textField.Layer.MasksToBounds = true;
Swift 5.0
extension UITextField {
func addUnderline() {
let layer = CALayer()
layer.backgroundColor = #colorLiteral(red: 0.6666666865, green: 0.6666666865, blue: 0.6666666865, alpha: 1)
layer.frame = CGRect(x: 0.0, y: self.frame.size.height - 1.0, width: self.frame.size.width, height: 1.0)
self.clipsToBounds = true
self.layer.addSublayer(layer)
self.setNeedsDisplay()} }
现在在viewDidLayoutSubviews()中调用这个函数
注意:此方法仅适用于viewDidLayoutSubviews()我已经查看了这些解决方案中的每一个,它们似乎也适用于一个问题。暗模式和背景设置
UITextField的背景设置必须与父视图的背景匹配,否则不会显示任何线条
这将在灯光模式下工作
要在黑暗模式下工作,请将背景颜色更改为黑色,这样它就可以工作
排除背景色,则不显示线条
let field = UITextField()
field.backgroundColor = UIColor.white
field.bottomBorderColor = UIColor.red
这对我来说是最好的解决办法
extension UITextField {
func addPadding() {
let paddingView = UIView(frame: CGRect(x:0, y:0, width: 10, height: self.frame.height))
self.leftView = paddingView
self.leftViewMode = .always
}
@IBInspectable var placeHolderColor: UIColor? {
get {
return self.placeHolderColor
}
set {
self.attributedPlaceholder = NSAttributedString(string:self.placeholder != nil ? self.placeholder! : "", attributes:[NSAttributedString.Key.foregroundColor: newValue!])
}
}
@IBInspectable var bottomBorderColor: UIColor? {
get {
return self.bottomBorderColor
}
set {
self.borderStyle = .none
self.layer.masksToBounds = false
self.layer.shadowColor = newValue?.cgColor
self.layer.shadowOffset = CGSize(width: 0.0, height: 1.0)
self.layer.shadowOpacity = 1.0
self.layer.shadowRadius = 0.0
}
}
}
SwiftUI
在SwiftUI中,有一个名为Divider
的视图,它与此完全匹配。通过将它们嵌入到简单的VStack
,可以将其添加到任何视图下面:
VStack {
Text("This could be any View")
Divider()
}
在SwiftUI中,最简单的implem