使用:
-(WelcomView*)welcomeView{
if (!_welcomeView) {
_welcomeView = [[NSBundle mainBundle] loadNibNamed:@"WelcomView" owner:nil options:nil].firstObject;
_welcomeView.frame = self.window.frame;
}
return _welcomeView;
} ............
ImgModel *im = [[ImgModel alloc]init];
[im setValuesForKeysWithDictionary:obj];
self.welcomeView.imgArray = @[im];
//MARK:- Timer
extension Timer{
/**
*计时器暂停
*/
func timer_pause(){
self.fireDate = Date.distantFuture
} /**
*计时器继续
*/
func timer_continue(){
self.fireDate = Date.distantPast
}
}
import UIKit
//图片信息模型,根据需求修改
class ImgModel: NSObject {
var PicPath = ""
var PicDescription = ""
var AppSubjectPictureID = ""
var InfoLinkUrl = ""
var ShowSeconds = "" override func setValue(_ value: Any?, forUndefinedKey key: String) {
#if DEBUG
print("ImgModel出现了未定义的字段:\(key)-->\(String(describing: value))")
#endif
}
} class WelcomView: UIView ,UIScrollViewDelegate{
//空间关联
@IBOutlet weak var scrollView: UIScrollView!
@IBOutlet weak var pageController: UIPageControl!
@IBOutlet weak var titleLB: UILabel!
@IBOutlet weak var btnBgview: UIView!
@IBOutlet weak var timeLB: UILabel!
@IBOutlet weak var intoMainBtn: UIButton! var stopIndex = 0 //滚动视图停止时候停在的位置
var beginPoint = CGPoint()
var beginPoint1 = CGPoint()
var second = 0
var beginSecond = 0
var timer:Timer?
//图片资源数组
var imgArray = [ImgModel]() {
didSet{
scrollView.tag = 1000
scrollView.contentSize = CGSize(width: CGFloat(imgArray.count)*self.frame.width, height: self.frame.height)
pageController.numberOfPages = imgArray.count
scrollView.isPagingEnabled = true
scrollView.bounces = true
scrollView.showsVerticalScrollIndicator = false
scrollView.showsHorizontalScrollIndicator = false
scrollView.delegate = self
for (index,ele) in imgArray.enumerated() {
let sv = UIScrollView(frame: CGRect(x: CGFloat(index)*self.frame.width, y: 0, width: self.frame.width, height: self.frame.height))
sv.tag = 1000 + (index + 1)
sv.delegate = self
sv.bounces = false
sv.showsVerticalScrollIndicator = false
sv.showsHorizontalScrollIndicator = false
sv.decelerationRate = 0.5
sv.contentSize = CGSize(width: self.frame.width, height: self.frame.height*2)
let imgView = UIImageView(frame: CGRect(x: 0, y: 0, width: self.frame.width, height: self.frame.height))
sv.addSubview(imgView)
scrollView.addSubview(sv)
imgView.isUserInteractionEnabled = true
let tap = UITapGestureRecognizer(target: self, action:#selector(tapAction))
imgView.addGestureRecognizer(tap)
second = Int(ele.ShowSeconds)!
beginSecond = second
DispatchQueue.main.async {
imgView.sd_setImage(with: URL(string:ele.PicPath), placeholderImage: UIImage(named: "正在加载"), options: .lowPriority, completed: { (img:UIImage?, erro:Error?, type:SDImageCacheType, imgUrl:URL?) in
if erro != nil{
self.removeFromSuperview()
self.showHint((erro?.localizedDescription)!)
}else{
appDelegate.window.addSubview(self)
}
})
}
}
timer = Timer.scheduledTimer(timeInterval: 1, target: self, selector: #selector(timerNumChange(t:)), userInfo: nil, repeats: true)
//self.perform(#selector(removeSelf), with: nil, afterDelay: TimeInterval(second))
self.bringSubview(toFront: self.btnBgview)
}
} func timerNumChange(t:Timer){
second -= 1
if second >= 0 {
timeLB.text = "\(second)s"
}else{
self.removeSelf()
timer?.invalidate()
}
} @IBAction func btnAction(_ sender: UIButton) {
self.removeFromSuperview()
} //将自己移出界面
func removeSelf(){
UIView.animate(withDuration: 0.5, animations: {
self.center.y = -sheight/2
}) { (done:Bool) in
if done {
self.removeFromSuperview()
}
}
} override func draw(_ rect: CGRect) {
// Drawing code
super.draw(rect)
} override func awakeFromNib() {
super.awakeFromNib()
btnBgview.layer.cornerRadius = 25/2
btnBgview.layer.masksToBounds = true
} //图片点击事件
func tapAction(){
print("点击了第\(stopIndex)张")
} //MARK:ScrollView delegate
func scrollViewWillBeginDragging(_ scrollView: UIScrollView) {
if scrollView.tag > 1000 {
beginPoint = self.center
beginPoint1 = scrollView.contentOffset
timer?.timer_pause()
//NSObject.cancelPreviousPerformRequests(withTarget: self, selector: #selector(removeSelf), object: nil)
}
} func scrollViewDidScroll(_ scrollView: UIScrollView) {
if scrollView.tag > 1000 {
self.center.y = beginPoint.y - scrollView.contentOffset.y - beginPoint1.y
for imgView in scrollView.subviews {
if imgView.isKind(of: UIImageView.self) {
imgView.center = CGPoint(x: appDelegate.window.center.x, y: scrollView.center.y + scrollView.contentOffset.y - beginPoint1.y)
break
}
}
}
} func scrollViewDidEndDecelerating(_ scrollView: UIScrollView) {
if scrollView.tag == 1000 {
let offset = scrollView.contentOffset.x
let swidth = UIScreen.main.bounds.size.width
stopIndex = Int(offset / swidth)
pageController.currentPage = stopIndex }else{
scrollView.isScrollEnabled = true
scrollViewDidEndAction(scrollView)
}
} func scrollViewDidEndDragging(_ scrollView: UIScrollView, willDecelerate decelerate: Bool) {
if decelerate{
if scrollView.tag > 1000 {
scrollView.isScrollEnabled = false
}
}else{
if scrollView.tag > 1000 {
scrollViewDidEndAction(scrollView)
}
}
} //MARK:滚动结束(界面速度为0)
func scrollViewDidEndAction(_ scrollView: UIScrollView){ if self.center.y < 0 {
UIView.animate(withDuration: 0.5, animations: {
self.center = CGPoint(x: self.center.x, y: appDelegate.window.center.y * -2)
}) { (done:Bool) in
if done {
self.removeFromSuperview()
}
}
}else{
UIView.animate(withDuration: 0.3, delay: 0.1, usingSpringWithDamping: 0.3, initialSpringVelocity: 0.1, options: .curveLinear, animations: {
self.center = appDelegate.window.center
}) { (done:Bool) in
if done {
scrollView.contentOffset = self.beginPoint1
for imgView in scrollView.subviews {
if imgView.isKind(of: UIImageView.self) {
imgView.center = CGPoint(x: appDelegate.window.center.x, y: scrollView.center.y)
break
}
}
self.second = self.beginSecond + 1
self.timer?.timer_continue()
}
}
}
}
}

XIB效果图

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