Swift 2.0 自定义引导页

//

//LeadScrollView.swift

//Tiger

//

//Created by admin on 15/12/5.

//Copyright © 2015年xidaMM. All rights reserved.

//

importUIKit

typealiasXDLeadScrollViewClosure = () ->Void

classXDLeadScrollView:UIWindow,UIScrollViewDelegate{

staticletshareInstance =XDLeadScrollView()

varclosure:XDLeadScrollViewClosure!

varscrollView:UIScrollView!

varpageControl:UIPageControl!

varimgsArray = [String]()

varimgViewsArray = []

varleadView:UIView!

funccreateLeadView(){

self.backgroundColor=kGlobalColor

leadView=UIView(frame:CGRectMake(0,0,kScreenWidth,kScreenHeight+20))

scrollView=UIScrollView(frame:CGRectMake(0,0,kScreenWidth,kScreenHeight+20))

for(vari =0;i<4;i++) {

self.imgsArray.append("Lead\(i+1)")

}

for(vari =0;i

letimgView =UIImageView(frame:CGRectMake(CGFloat(i)*kScreenWidth,0,leadView.frame.size.width,leadView.frame.size.height))

imgView.image=UIImage(named:imgsArray[i])

self.scrollView.addSubview(imgView)

}

scrollView.contentSize=CGSizeMake(CGFloat(self.imgsArray.count)*kScreenWidth,0);

scrollView.pagingEnabled=true

scrollView.bounces=false

scrollView.delegate=self

scrollView.showsHorizontalScrollIndicator=false

//下一步

letbtnNext =UIButton(frame:CGRectMake(CGFloat(self.imgsArray.count)*kScreenWidth-kScreenWidth+80,kScreenHeight-80,200,50))

//btnNext.backgroundColor = UIColor.redColor()

btnNext.addTarget(self, action:"nextStep", forControlEvents:UIControlEvents.TouchUpInside)

scrollView.addSubview(btnNext)

self.pageControl=UIPageControl(frame:CGRectMake(0,kScreenHeight-25,kScreenWidth,30))

self.pageControl.numberOfPages=self.imgsArray.count

self.pageControl.currentPage=0

self.pageControl.pageIndicatorTintColor=kGlobalColor

self.pageControl.currentPageIndicatorTintColor=UIColor.whiteColor()

self.pageControl.addTarget(self, action:"pageTurn:", forControlEvents:UIControlEvents.ValueChanged)

//self.scrollView.addSubview(self.pageControl)

self.leadView.addSubview(self.scrollView)

//leadView.addSubview(self.pageControl)

self.addSubview(self.leadView)

}

funcshow(){

UIApplication.sharedApplication().delegate?.window!?.addSubview(self)

self.makeKeyWindow()

self.windowLevel=UIWindowLevelNormal

self.hidden=false

}

funcclose(){

self.hidden=true

self.resignKeyWindow()

self.closure()

}

funcnextStep()

{

UIView.animateWithDuration(0.6, animations: { () ->Voidin

self.leadView.alpha=0

XDUserDefaults.setBool(kKeyIsLoadLeadView, value:true)

}) { (bool:Bool) ->Voidin

self.close()

}

}

funcpageTurn(sender:UIPageControl){

letcontentOffsetX =kScreenWidth*CGFloat(sender.currentPage)

scrollView.setContentOffset(CGPointMake(contentOffsetX,scrollView.frame.origin.y), animated:true)

}

funcscrollViewDidEndDecelerating(scrollView1:UIScrollView) {

letoffset = scrollView1.contentOffset

letbounds = scrollView1.frame

UIView.animateWithDuration(0.3, animations: { () ->Voidin

self.pageControl.currentPage=Int(offset.x/bounds.size.width)

}, completion:nil)

}

// Only override drawRect: if you perform custom drawing.

// An empty implementation adversely affects performance during animation.

//override func drawRect(rect: CGRect) {

//// Drawing code

//}

}