功能特色
- 无需初始化和区分主线程
- 信息提示
- 加载中动画
- 自动显示UITableView无数据展示空白界面
- Window级别展示
- 高斯模糊效果
- 提示显示中不卡屏
gif不清晰
https://github.com/CupidLoud/DCLoadingV
//
// DCLoadingV.swift
//
//
// Created by nn on 2017/10/24.
//
//
import UIKit
private var loadingV: DCLoadingV!//转圈
private var topMesV: DCLoadingV!//主要用于显示提示, 不会受DCLoadingV.Disapear()的影响
private var blankV: DCLoadingV!//UITableView无数据展示页面
class DCLoadingV: UIView {
/*
DCLoadingV.Showing() 显示加载中视图
DCLoadingV.ShowMes(mes, after: 1.5) 显示提示信息, 1.5秒后自动隐藏
DCLoadingV.Disapear() 隐藏加载中视图
*/
@objc class func Showing(_ isCanDo: Bool = true) {//true 加载时能操作
DCLoadingV.bitInit()
DispatchQueue.main.asyncAfter(deadline: DispatchTime.now() + 0.01) {
blankV.removeFromSuperview()
if loadingV.alpha == 1 {
return
}
loadingV.addAnimat()
loadingV.isUserInteractionEnabled = !isCanDo
loadingV.nameV.alpha = 0
loadingV.hudV.alpha = 1
loadingV.alpha = 1
loadingV.frame = winBounds
_Window().addSubview(loadingV)
}
}
@objc class func Disapear() {//取消显示
DCLoadingV.bitInit()
DispatchQueue.main.async {
loadingV.alpha = 0
loadingV.removeFromSuperview()
loadingV.removeAnimat()
DCLoadingV.BlankDo()
}
}
@objc class func BlankDo() {//无数据
DispatchQueue.main.asyncAfter(deadline: DispatchTime.now() + 0.1) {//特殊无需此操作VC
if "ChatDetailVC SeeDoctorOffLineVC SeeDoctorManagerVC SeeDoctorOnLineVC".contains("\(type(of: _vc!))") {
return
}
blankV.isUserInteractionEnabled = false
blankV.hudV.alpha = 0
blankV.nameV.alpha = 1
blankV.nameV.backgroundColor = UIColor.clear
blankV.blurV.alpha = 0
blankV.alpha = 0
blankV.nameL.text = "这里空空如也.."
blankV.nameL.textColor = UIColor.lightGray
blankV.nameL.font = UIFont.systemFont(ofSize: 15)
blankV.imgV.image = UIImage.init(named: "无数据")
var inV = _vc.view
for vv in _vc.view.subviews {
if vv.isKind(of: UITableView.self) && vv.frame.width >= winW*0.75 && vv.frame.height >= winH*0.5 {
inV = vv
}
}
if inV!.isKind(of: UITableView.self) {
let tv = inV as! UITableView
if tv.visibleCells.isEmpty {
blankV.frame = CGRect(x: 0, y: 0, width: inV!.frame.width, height: inV!.frame.width)
inV!.addSubview(blankV)
UIView.animate(withDuration: 0.2, animations: {
blankV.alpha = 1
})
}
}
}
}
@objc class func ShowMes(_ mes: String?) {
DCLoadingV.ShowMes(mes, after: 2)
}
@objc class func ShowMes(_ mes: String?, after: Double) {//显示提示
let mes = mes ?? ""
print("打印消息", mes)
if mes != "" {
DCLoadingV.Disapear()
DispatchQueue.main.async {
topMesV.isUserInteractionEnabled = false
topMesV.hudV.alpha = 0
topMesV.nameV.alpha = 1
topMesV.alpha = 1
topMesV.nameL.text = mes
topMesV.frame = CGRect(x: 0, y: 0, width: winW/2.1, height: winW/2.1)
topMesV.center = CGPoint.init(x: winW/2, y: winH/2)
topMesV.nameL.font = UIFont.boldSystemFont(ofSize: 15)
_Window().addSubview(topMesV)
if topMesV.lastMesTime + after > DispatchTime.now() {
MCGCDTimer.shared.cancleTimer(WithTimerName: "topMesV")
}
MCGCDTimer.shared.scheduledDispatchTimer(WithTimerName: "topMesV", timeInterval: after, queue: DispatchQueue.main, repeats: false, atOnce: false) {
topMesV.alpha = 0
topMesV.removeFromSuperview()
}
topMesV.lastMesTime = DispatchTime.now()
}
}
}
private class func bitInit() {//初始化
if loadingV == nil {
DispatchQueue.main.async {
loadingV = (Bundle.main.loadNibNamed("DCLoadingV", owner: nil, options: nil)?.last as! DCLoadingV)
}
}
if topMesV == nil {
DispatchQueue.main.async {
topMesV = (Bundle.main.loadNibNamed("DCLoadingV", owner: nil, options: nil)?.last as! DCLoadingV)
}
}
if blankV == nil {
DispatchQueue.main.async {
blankV = (Bundle.main.loadNibNamed("DCLoadingV", owner: nil, options: nil)?.last as! DCLoadingV)
}
}
}
override func awakeFromNib() {
super.awakeFromNib()
alpha = 0
decotate(textC: nil, cornerR: 10, borderC: nil, borderW: nil)
block1.decotate(textC: nil, cornerR: 7.5, borderC: nil, borderW: nil)
block2.decotate(textC: nil, cornerR: 7.5, borderC: nil, borderW: nil)
block3.decotate(textC: nil, cornerR: 7.5, borderC: nil, borderW: nil)
}
private func addAnimat() {
let vs = [block1, block2, block3]
for idx in 0..<vs.count {
UIView.animate(withDuration: 0.4, delay: 0.4*(Double(idx)/2), options: [.repeat, .autoreverse], animations: {
vs[idx]!.transform = CGAffineTransform.init(scaleX: 0.5, y: 0.5)
})
}
}
private func removeAnimat() {
let vs = [block1, block2, block3]
for idx in 0..<vs.count {
vs[idx]!.transform = CGAffineTransform.identity
}
}
@IBOutlet weak var nameV: UIView!
@IBOutlet weak var imgV: UIImageView!
@IBOutlet weak var blurV: UIVisualEffectView!
@IBOutlet weak var nameL: UILabel!
@IBOutlet weak var hudV: UIView!
@IBOutlet weak var block1: UIImageView!
@IBOutlet weak var block2: UIImageView!
@IBOutlet weak var block3: UIImageView!
var lastMesTime = DispatchTime.now()
}
//MARK: 工具
class MCGCDTimer {
func scheduledDispatchTimer(WithTimerName name: String?, timeInterval: Double, queue: DispatchQueue, repeats: Bool, atOnce: Bool, action: @escaping()->()) {//atOnce是否立即执行
if name == nil {
return
}
var timer = timerContainer[name!]
if timer == nil {
timer = DispatchSource.makeTimerSource(flags: [], queue: queue)
timer?.resume()
timerContainer[name!] = timer
}
timer?.schedule(deadline: .now()+(atOnce ? 0 : timeInterval), repeating: timeInterval, leeway: DispatchTimeInterval.milliseconds(100))//精度0.1秒
timer?.setEventHandler(handler: { [weak self] in
action()
if repeats == false {
self?.cancleTimer(WithTimerName: name)
}
})
}
func cancleTimer(WithTimerName name: String?) {
let timer = timerContainer[name!]
if timer == nil {
return
}
timerContainer.removeValue(forKey: name!)
timer?.cancel()
}
func isExistTimer(WithTimerName name: String?) -> Bool {
if timerContainer[name!] != nil {
return true
}
return false
}
static let shared = MCGCDTimer()
lazy var timerContainer = [String: DispatchSourceTimer]()
}
func _Window() -> UIWindow {//获取最顶层可用Window
for win in UIApplication.shared.windows.reversed() {
if win.isOpaque && !win.isHidden && win.alpha > 0 && win.isKind(of: NSClassFromString("UITextEffectsWindow")!.self) {
return win
}
}
return UIApplication.shared.keyWindow!
}
extension UIView {
func decotate(textC: UIColor?, cornerR: CGFloat?, borderC: UIColor?, borderW: CGFloat?) {//圆角
self.layer.masksToBounds = true
if textC != nil {
if self.isKind(of: UIButton.self) {
(self as! UIButton).setTitleColor(textC, for: .normal)
}
if self.isKind(of: UILabel.self) {
(self as! UILabel).textColor = textC
}
}
if cornerR != nil {
self.layer.cornerRadius = cornerR!
}
if borderC != nil {
self.layer.borderColor = borderC!.cgColor
}
if borderW != nil {
self.layer.borderWidth = borderW!
}
}
}
extension String {
static func randomStr(len: Int) -> String {
let strs = "😏🥳🤩😝🙃🦑🐢🦉🦟🦎🦞机?=@#¥%&*字符串LHL这段时间研究了下弹幕的原理,并用swift实现了下.以此来记录.实现效果如下"
var ranStr = ""
for _ in 0..<len {
ranStr.append(strs[strs.index(strs.startIndex, offsetBy: Int.random(in: 0..<strs.count))])
}
return ranStr
}
}
var _vc: UIViewController!
let winBounds = UIScreen.main.bounds
let winSize = winBounds.size
let winW = winSize.width
let winH = winSize.height
网友评论