前言:
写了一个Swift版本的弹框。
代码地址：
代码地址：https://gitee.com/yuency/Autolayout
示例代码类名 【PopViewController】【OutageSubscribePopView】
弹框效果：
弹框.png
上代码！
OutageSubscribePopView.swift
import UIKit
typealias BlockClickSubscribe = (_ text: String) -> Void
typealias BlockClickClose = () -> Void
class OutageSubscribePopView: UIView {
static let buttonHeight: CGFloat = 52
var clickSubscribe: BlockClickSubscribe?
var clickClose: BlockClickClose?
lazy var tapGesture = UITapGestureRecognizer()
lazy var grayMaskView: UIView = {
let grayMaskView = UIView()
grayMaskView.backgroundColor = UIColor.black.withAlphaComponent(0.2)
grayMaskView.addGestureRecognizer(tapGesture)
return grayMaskView
}()
lazy var backView: UIView = {
let backView = UIView()
backView.backgroundColor = UIColor.white
backView.layer.cornerRadius = 12
return backView
}()
private lazy var shadowBar: OutageShadowBar = {
let shadowBar = OutageShadowBar()
return shadowBar
}()
lazy var subscribeButton: UIButton = {
let subscribeButton = UIButton()
subscribeButton.setTitle("这是我的标题", for: .normal)
subscribeButton.setTitleColor(UIColor.blue, for: .normal)
subscribeButton.titleLabel?.font = UIFont.systemFont(ofSize: 16, weight: .medium)
return subscribeButton
}()
lazy var cancelButton: UIButton = {
let cancelButton = UIButton()
cancelButton.setTitle("取消", for: .normal)
cancelButton.setTitleColor(UIColor.blue, for: .normal)
cancelButton.titleLabel?.font = UIFont.systemFont(ofSize: 16, weight: .regular)
cancelButton.backgroundColor = UIColor.purple.withAlphaComponent(0.1)
return cancelButton
}()
lazy var topRightCloseButton: UIButton = {
let topRightCloseButton = UIButton()
topRightCloseButton.backgroundColor = UIColor.green
topRightCloseButton.setTitle("关闭", for: .normal)
topRightCloseButton.setTitleColor(UIColor.red, for: .normal)
return topRightCloseButton
}()
lazy var contentGrayView: UIView = {
let contentGrayView = UIView()
contentGrayView.layer.cornerRadius = 10
contentGrayView.backgroundColor = UIColor.yellow
return contentGrayView
}()
lazy var contentLabel: UILabel = {
let contentLabel = UILabel()
contentLabel.numberOfLines = 0
return contentLabel
}()
lazy var titleLabel: UILabel = {
let titleLabel = UILabel()
titleLabel.font = UIFont.systemFont(ofSize: 14, weight: .regular)
titleLabel.textColor = UIColor.black
titleLabel.text = "我停电了"
return titleLabel
}()
deinit {
print("\((#file as NSString).lastPathComponent) dealloc")
}
override init(frame: CGRect) {
super.init(frame: frame)
setUI()
setConstraints()
setBindings()
}
required init?(coder: NSCoder) {
fatalError("init(coder:) has not been implemented")
}
// 这段代码需要抽取出来, 左晨公用的
static func getAttributeString(firstText: String) -> NSMutableAttributedString {
let attributeString = NSMutableAttributedString(string: firstText)
let paragraph = NSMutableParagraphStyle()
paragraph.alignment = .natural
let multipleAttributes: [NSAttributedString.Key: Any] = [
.paragraphStyle: paragraph,
.font: UIFont.systemFont(ofSize: 16, weight: .regular),
.foregroundColor: UIColor.black]
attributeString.addAttributes(multipleAttributes, range: NSRange(location: 0, length: firstText.count))
let indexArray: [Int] = firstText.indicesOf(string: "\"")
let indexCount = indexArray.count
if indexCount % 2 == 0 {
for i in stride(from: 0, to: indexArray.count - 1, by: 2) {
attributeString.addAttribute(.font, value: UIFont.systemFont(ofSize: 16, weight: .bold), range: NSRange(location: indexArray[i] + 1, length: indexArray[i+1] - indexArray[i] - 1))
attributeString.addAttribute(.foregroundColor, value: UIColor.red, range: NSRange(location: indexArray[i] + 1, length: indexArray[i+1] - indexArray[i] - 1))
}
}
return attributeString
}
static func showView(name: String, age: String, time: String, clickSubscribe: @escaping BlockClickSubscribe, clickClose: @escaping BlockClickClose) {
let subscribePopView = OutageSubscribePopView()
subscribePopView.clickSubscribe = clickSubscribe
subscribePopView.clickClose = clickClose
let formatString = String(format: "这是内容,内容里面有文字样式是\"被引用加粗的文字\"这个就是重点啊,然后还有3个占位符%@AAA%@BBB%@CCC", name, age, time)
subscribePopView.contentLabel.attributedText = OutageSubscribePopView.getAttributeString(firstText: formatString)
let window = UIApplication.shared.windows.last
window?.addSubview(subscribePopView)
subscribePopView.snp.makeConstraints { make in
make.edges.equalToSuperview()
}
window?.layoutIfNeeded()
subscribePopView.alpha = 0
UIView.animate(withDuration: 0.1) {
subscribePopView.alpha = 1
} completion: { _ in
UIView.animate(withDuration: 0.1, animations: {
subscribePopView.backView.snp.updateConstraints { make in
// for layout animation in view presenting from bottom, content height depend on subviews
make.top.equalTo(subscribePopView.snp.bottom).offset(-subscribePopView.backView.frame.height)
}
subscribePopView.layoutIfNeeded()
}, completion: nil)
}
}
func setUI() {
addSubview(grayMaskView)
addSubview(backView)
backView.addSubview(cancelButton)
backView.addSubview(shadowBar)
backView.addSubview(subscribeButton)
backView.addSubview(topRightCloseButton)
backView.addSubview(contentGrayView)
contentGrayView.addSubview(contentLabel)
backView.addSubview(titleLabel)
}
func setConstraints() {
grayMaskView.snp.makeConstraints { make in
make.edges.equalToSuperview()
}
backView.snp.makeConstraints { make in
// for layout animation in view presenting from bottom, content height depend on subviews
make.top.equalTo(self.snp.bottom).offset(0)
make.left.right.equalToSuperview()
}
var safeBottomHeight: CGFloat = 0
if #available(iOS 11.0, *) {
safeBottomHeight = UIApplication.shared.windows.last?.safeAreaInsets.bottom ?? 0
} else {
// Fallback on earlier versions
}
cancelButton.snp.makeConstraints { make in
make.bottom.equalTo(-safeBottomHeight-20)
make.left.equalTo(20)
make.right.equalTo(-20)
make.height.equalTo(OutageSubscribePopView.buttonHeight)
}
shadowBar.snp.makeConstraints { make in
make.bottom.equalTo(cancelButton.snp.top).offset(-30)
make.left.equalTo(20)
make.right.equalTo(-20)
make.height.equalTo(OutageSubscribePopView.buttonHeight)
}
subscribeButton.snp.makeConstraints { make in
make.edges.equalTo(shadowBar)
}
contentGrayView.snp.makeConstraints { make in
make.left.equalTo(20)
make.right.equalTo(-20)
make.bottom.equalTo(shadowBar.snp.top).offset(-20)
}
contentLabel.snp.makeConstraints { make in
make.edges.equalTo(UIEdgeInsets(top: 10, left: 10, bottom: 10, right: 10))
}
titleLabel.snp.makeConstraints { make in
make.left.equalTo(20)
make.right.equalTo(topRightCloseButton.snp.left).offset(-13)
make.bottom.equalTo(contentGrayView.snp.top).offset(-20)
make.top.equalTo(20)
}
topRightCloseButton.snp.makeConstraints { make in
make.centerY.equalTo(titleLabel)
make.right.equalToSuperview().offset(-13)
make.height.width.equalTo(44)
}
}
func setBindings() {
topRightCloseButton.addTarget(self, action: #selector(action_close), for: .touchUpInside);
cancelButton.addTarget(self, action: #selector(action_close), for: .touchUpInside);
tapGesture.addTarget(self, action: #selector(action_close))
subscribeButton.addTarget(self, action: #selector(action_subscribe), for: .touchUpInside);
}
@objc func action_close() {
if let clickClose = clickClose {
clickClose()
}
disMissView()
}
@objc func action_subscribe() {
if let clickSubscribe = clickSubscribe {
clickSubscribe("9789697979865469789")
}
disMissView()
}
func disMissView() {
clickSubscribe = nil
clickClose = nil
removeFromSuperview()
}
}
class OutageShadowBar: UIView {
let cornerRadius:CGFloat = OutageSubscribePopView.buttonHeight * 0.5
override var bounds: CGRect {
didSet {
setupShadow()
}
}
private func setupShadow() {
backgroundColor = UIColor.white
layer.cornerRadius = cornerRadius
layer.borderWidth = 1
layer.borderColor = UIColor.white.cgColor
layer.shadowColor = UIColor.black.cgColor
layer.shadowOffset = CGSize(width: 0, height: 2)
layer.shadowOpacity = 0.1
layer.shadowPath = UIBezierPath(roundedRect: bounds, cornerRadius: cornerRadius).cgPath
}
}
public extension String {
func indicesOf(string: String) -> [Int] {
var indices = [Int]()
var searchStartIndex = self.startIndex
while searchStartIndex < self.endIndex, let range = self.range(of: string, range: searchStartIndex..调用：
import UIKit
class PopViewController: UIViewController {
override func viewDidLoad() {
super.viewDidLoad()
}
@IBAction func action_1(_ sender: UIButton) {
OutageSubscribePopView.showView(name: "我是张三", age: "18岁了", time: "就在今年") { text in
print("收到了东西 \(text)")
} clickClose: {
print("点击关闭")
}
}
}
结语
暂无