Swift Little Exercise-Guide page

Any language, as long as there is no need to forget, you have to knock on a small project, practice practiced hand;

Let SCROLLVIEWBG = Uiscrollview.init (frame:slscreenrect)

Let images = ["First", "second", "third"]

Let Pagecontrol = Uipagecontrol.init (Frame:CGRect.init (x:0, y:slscreenheight-30, Width:slscreenwidth, height:20))

var currentpage = 0

Override Var Prefersstatusbarhidden:bool {

return True

}

Override Func Viewdidload () {

Super.viewdidload ()

Additional setup after loading the view, typically from a nib.

Configureview ()

}

Func Configureview () {

Iterate through the array while getting index

For (index, value) in images.enumerated () {

Let ImageView = Uiimageview.init (Frame:CGRect.init (x:cgfloat (index) *slscreenwidth, y:0, width:slscreenwidth, Height: Slscreenheight))

Imageview.image = Uiimage.init (named:value)

Limit boundaries

Imageview.clipstobounds = True

Imageview.contentmode =. Scaleaspectfill

Scrollviewbg. Addsubview (ImageView)

}

Agreement

Scrollviewbg.delegate = Self

Scrollviewbg.ispagingenabled = True

Scrollviewbg.showshorizontalscrollindicator = False

Scrollviewbg.contentsize = Cgsize.init (Width:slscreenwidth*cgfloat (Images.count), height:slscreenheight)

Pagecontol

Pagecontrol.numberofpages = Images.count

Pagecontrol.currentpageindicatortintcolor =. White

Pagecontrol.pageindicatortintcolor =. Lightgray

Pagecontrol.currentpage = CurrentPage

Pagecontrol.isenabled = False

View.addsubview (SCROLLVIEWBG)

View.addsubview (Pagecontrol)

}

MARK:-Protocol method

Func scrollviewdidenddecelerating (_ Scrollview:uiscrollview) {

CurrentPage = Int (scrollview.contentoffset.x/slscreenwidth)

Pagecontrol.currentpage = CurrentPage

}

Swift Little Exercise-Guide page