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 iforiginY UIScreen.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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