Swift仿微信语音通话最小化时后的效果实例代码
前言
最近碰到个需求，需要仿微信语音通话缩小化后，保持界面最上层有一个悬浮的小View可以一点击就把刚刚缩放掉的界面再放回来，其实本质就是创造了一个新的Window，在这个window上创建了一个rootController并展示他，缩小化时是把controllerdismiss掉了，再次点击那个小View之后把这个controller再展示出来便可以了。同理微信小程序其实也是在一个新的Window中做了一套新的逻辑。随着现在手机性能的提升，多Window同时存在并不会造成严重卡顿，而衍生出来的一种新的开发方式。
实例代码
上代码，这个是根据网上找到的类似效果进行了部分修改的，作者叫冯琦帆
SuspendTool
importFoundation
importUIKit
enumSuspendType{
casenone
casesingle
casemulti
}
classSuspendTool:NSObject{
staticletsharedInstance=SuspendTool()
privatevarsuspendWindows:[SuspendWindow]=[]
//varsemicircle:Semicircle?
varorigin:CGPoint=CGPoint.init(x:10,y:300)
staticfuncshowSuspendWindow(rootViewController:UIViewController,coverImageName:String){
lettool=SuspendTool.sharedInstance
letwindow=SuspendWindow.init(rootViewController:rootViewController,coverImageName:coverImageName,frame:CGRect.init(origin:tool.origin,size:CGSize.init(width:radious,height:radious)))
window.show()
tool.suspendWindows.append(window)
}
staticfuncreplaceSuspendWindow(rootViewController:UIViewController,coverImageName:String){
lettool=SuspendTool.sharedInstance
tool.suspendWindows.removeAll()
letwindow=SuspendWindow.init(rootViewController:rootViewController,coverImageName:coverImageName,frame:CGRect.init(origin:tool.origin,size:CGSize.init(width:radious,height:radious)))
window.show()
tool.suspendWindows.append(window)
}
staticfuncremove(suspendWindow:SuspendWindow){
UIView.animate(withDuration:0.25,animations:{
suspendWindow.alpha=0
}){(complete)in
ifletindex=SuspendTool.sharedInstance.suspendWindows.index(of:suspendWindow){
SuspendTool.sharedInstance.suspendWindows.remove(at:index)
}
}
}
staticfuncsetLatestOrigin(origin:CGPoint){
SuspendTool.sharedInstance.origin=origin
}
}
SuspendWindow
importUIKit
letradious:CGFloat=82
classSuspendWindow:UIWindow{
fileprivateletcoverImageName:String
fileprivateletspace:CGFloat=15
varcontainsRootViewController:UIViewController?
init(rootViewController:UIViewController,coverImageName:String,frame:CGRect){
self.coverImageName=coverImageName
super.init(frame:frame)
//self.rootViewController=rootViewController
self.containsRootViewController=rootViewController
}
requiredinit?(coderaDecoder:NSCoder){
fatalError("init(coder:)hasnotbeenimplemented")
}
funcshow(){
self.backgroundColor=UIColor.clear
self.windowLevel=UIWindow.Level.alert-1//UIWindowLevelAlert-1
self.screen=UIScreen.main
self.isHidden=false
letbgView=UIView()
bgView.isUserInteractionEnabled=true
bgView.frame=self.bounds
bgView.backgroundColor=UIColor.white
bgView.layer.cornerRadius=radious/2.0
bgView.layer.borderColor=UIColor.lightGray.cgColor
bgView.layer.borderWidth=5
bgView.layer.masksToBounds=true
self.addSubview(bgView)
bgView.addSubview(iconImageView)
bgView.addSubview(timeLabel)
letpanGesture=UIPanGestureRecognizer.init(target:self,action:#selector(didPan(_:)))
self.addGestureRecognizer(panGesture)
lettapGesture=UITapGestureRecognizer.init(target:self,action:#selector(didTap(_:)))
self.addGestureRecognizer(tapGesture)
}
@objcfileprivatefuncdidTap(_tapGesture:UITapGestureRecognizer){
SuspendTool.sharedInstance.origin=self.frame.origin
self.containsRootViewController?.spread(from:self.self.frame.origin)
SuspendTool.remove(suspendWindow:self)
}
@objcfileprivatefuncdidPan(_panGesture:UIPanGestureRecognizer){
letpoint=panGesture.translation(in:panGesture.view)
varoriginX=self.frame.origin.x+point.x
iforiginXUIScreen.main.bounds.width-radious-space{
originX=UIScreen.main.bounds.width-radious-space
}
varoriginY=self.frame.origin.y+point.y
iforiginYUIScreen.main.bounds.height-radious-space{
originY=UIScreen.main.bounds.height-radious-space
}
self.frame=CGRect.init(x:originX,y:originY,width:self.bounds.width,height:self.bounds.height)
ifpanGesture.state==UIGestureRecognizer.State.cancelled||panGesture.state==UIGestureRecognizer.State.ended||panGesture.state==UIGestureRecognizer.State.failed{
self.adjustFrameAfterPan()
}
panGesture.setTranslation(CGPoint.zero,in:self)
}
fileprivatefuncadjustFrameAfterPan(){
varoriginX:CGFloat=space
ifself.center.x=UIScreen.main.bounds.width/2{
originX=UIScreen.main.bounds.width-radious-space
}
UIView.animate(withDuration:0.25,animations:{
self.frame=CGRect.init(x:originX,y:self.frame.origin.y,width:self.frame.size.width,height:self.frame.size.height)
}){(complete)in
SuspendTool.setLatestOrigin(origin:self.frame.origin)
}
}
lazyvartimeLabel:UILabel={
lettimeLabel=UILabel()
timeLabel.frame=CGRect(x:0,y:55.5,width:42,height:13)
timeLabel.center.x=self.bounds.size.width/2
timeLabel.textAlignment=.center
timeLabel.text="0:00"
timeLabel.textColor=UIColor.text
timeLabel.font=UIFont.mediumFont(ofSize:13)
returntimeLabel
}()
lazyvariconImageView:UIImageView={
leticonImageView=UIImageView.init(image:UIImage.init(named:coverImageName))
iconImageView.isUserInteractionEnabled=true
iconImageView.frame=CGRect(x:0,y:12,width:38,height:38)
iconImageView.center.x=self.bounds.size.width/2
returniconImageView
}()
}
UIViewController+FF
importFoundation
importUIKit
extensionUIViewController{
funcsuspend(coverImageName:String,type:SuspendType){
iftype==.none{
self.navigationController?.popViewController(animated:true)
return
}
self.view.layer.masksToBounds=true
UIView.animate(withDuration:0.25,animations:{
self.view.layer.cornerRadius=radious/2.0
self.view.frame=CGRect.init(origin:SuspendTool.sharedInstance.origin,size:CGSize.init(width:radious,height:radious))
self.view.layoutIfNeeded()
}){(complete)in
self.navigationController?.popViewController(animated:false)
iftype==.single{
SuspendTool.replaceSuspendWindow(rootViewController:self,coverImageName:coverImageName)
}else{
SuspendTool.showSuspendWindow(rootViewController:self,coverImageName:coverImageName)
}
}
}
funcspread(frompoint:CGPoint){
ifletisContain=self.navigationController?.viewControllers.contains(self),isContain{
return
}
self.view.frame=CGRect.init(origin:point,size:CGSize.init(width:radious,height:radious))
//UIViewController.currentViewController()
UIViewController.currentViewController().navigationController?.pushViewController(self,animated:false)
UIView.animate(withDuration:0.25,animations:{
self.view.layer.cornerRadius=0
self.view.frame=UIScreen.main.bounds
self.view.layoutIfNeeded()
})
}
staticfunccurrentViewController()->UIViewController{
varrootViewController:UIViewController?=nil
forwindowinUIApplication.shared.windows{
if(window.rootViewController!=nil){
rootViewController=window.rootViewController
break
}
}
varviewController=rootViewController
while(true){
ifviewController?.presentedViewController!=nil{
viewController=viewController!.presentedViewController
}elseifviewController!.isKind(of:UINavigationController.self){
viewController=(viewControlleras!UINavigationController).visibleViewController
}elseifviewController!.isKind(of:UITabBarController.self){
viewController=(viewControlleras!UITabBarController).selectedViewController
}else{
break
}
}
returnviewController!
}
}
总结
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