[Swift 开发] Swift UIScrollView

马大哈CEO
swift UIScrollView

//

//  ScrollViewController.swift

//  UIControlDemo

//

//  Created by   on 14/12/1.

//  Copyright (c) 2014年 马大哈. All rights reserved.

//

import UIKit

class ScrollViewController: BaseViewController ,UIScrollViewDelegate{

var scroll: UIScrollView?

var pageControl:UIPageControl?

override func viewDidLoad() {

super.viewDidLoad()

self.title = "当前索引: 1 / 5"

scroll = UIScrollView(frame: CGRectMake(0, 100, self.view.frame.size.width, 200))

scroll?.backgroundColor = UIColor.redColor()

scroll?.delegate = self

scroll?.showsHorizontalScrollIndicator = true

scroll?.showsVerticalScrollIndicator = true

scroll?.pagingEnabled = true

self.view.addSubview(scroll!)

for var indexInt = 0; indexInt < 5; ++indexInt{

var xLoca = CGFloat(indexInt) * CGFloat(self.view.frame.size.width)

var button = UIButton.buttonWithType(UIButtonType.Custom) as UIButton

button.backgroundColor = .grayColor()

button.frame = CGRectMake(xLoca, 0, self.view.frame.size.width, 200)

button.setTitleColor(UIColor.whiteColor(), forState:.Normal)

button.setTitle("点击按钮", forState: UIControlState.Normal)

button.titleLabel!.font = UIFont.boldSystemFontOfSize(CGFloat(25))

button.setImage(UIImage(named:""), forState: UIControlState.Normal)

button.contentMode = UIViewContentMode.ScaleAspectFit

scroll!.addSubview(button)

}

scroll?.contentSize = CGSizeMake(5*self.view.frame.size.width, 200)

scroll?.setContentOffset(CGPointMake(0, 0), animated: true)

pageControl = UIPageControl(frame: CGRectMake(0, 320, self.view.frame.size.width,40))

pageControl?.backgroundColor = UIColor.clearColor()

pageControl?.numberOfPages = 5

pageControl?.currentPage = 0

pageControl?.pageIndicatorTintColor = UIColor.blackColor()

pageControl?.currentPageIndicatorTintColor = UIColor.redColor()

pageControl?.userInteractionEnabled = false

self.view.addSubview(pageControl!)

}

func scrollViewDidEndDecelerating(scrollView: UIScrollView) {

var index = Int(scrollView.contentOffset.x/scrollView.frame.size.width)

pageControl?.currentPage = index

self.title = "当前索引: \(index+1) / 5"

}

override func didReceiveMemoryWarning() {

super.didReceiveMemoryWarning()

// Dispose of any resources that can be recreated.

}
}