//
// AppDelegate.swift
// FlowerField
//
// Created by CJW on 17/6/5.
// Copyright © 2017年 cjw. All rights reserved.
//
import UIKit
@UIApplicationMain
class AppDelegate: UIResponder, UIApplicationDelegate {
var window: UIWindow?
func application(application: UIApplication, didFinishLaunchingWithOptions launchOptions: [NSObject: AnyObject]?) -> Bool {
// Override point for customization after application launch.
// 設置全局的UINavigationBars屬性
let bar = UINavigationBar.appearance()
bar.tintColor = UIColor.redColor()
bar.titleTextAttributes = [NSFontAttributeName:UIFont.systemFontOfSize(15),NSForegroundColorAttributeName:UIColor.blackColor()]
window = UIWindow(frame: UIScreen.mainScreen().bounds)
window?.backgroundColor = UIColor.whiteColor()
// 根據版本號，判斷顯示哪個控制器
if toNewFeature() {
window?.rootViewController = NewFeatureViewController()
}else {
window?.rootViewController = MainViewController()
}
window?.makeKeyAndVisible()
return true
}
private let XCBundleShortVersionString = "XCBundleShortVersionString"
// MARK: - 判斷版號
private func toNewFeature() -> Bool {
// 根據版本號來確定是否進入新特性界面
let currentVersion = NSBundle.mainBundle().infoDictionary!["CFBundleShortVersionString"] as! String
let oldVersion = NSUserDefaults.standardUserDefaults().objectForKey(XCBundleShortVersionString) ?? ""
// 如果當前的版本號和本地保存的版本比較是降序, 則需要顯示新特性
if (currentVersion.compare(oldVersion as! String)) == .OrderedDescending{
//保存當前版本
NSUserDefaults.standardUserDefaults().setObject(currentVersion, forKey: XCBundleShortVersionString)
return true
}
return false
}
}
//
// NewFeatureViewController.swift
// FlowerField
//
// Created by CJW on 17/6/5.
// Copyright © 2017年 cjw. All rights reserved.
//
import UIKit
import SnapKit
private let reuseIdentifier = "reuseIdentifier"
class NewFeatureViewController: UICollectionViewController {
//MARK: - 生命週期方法
init() {
super.init(collectionViewLayout:newFeatureFlowLayout())
}
required init?(coder aDecoder: NSCoder) {
fatalError("init(coder:) has not been implemented")
}
override func viewDidLoad() {
super.viewDidLoad()
setup()
}
private func setup() {
//註冊CELL
self.collectionView!.registerClass(NewFeatureCell.self, forCellWithReuseIdentifier: reuseIdentifier)
// 添加pageControll
collectionView?.addSubview(pageControll)
// 佈局
pageControll.snp_makeConstraints { (make) in
make.bottom.equalTo(self.view).offset(-10)
make.centerX.equalTo(self.view)
make.size.equalTo(CGSize(width: 100, height: 20))
}
}
override func didReceiveMemoryWarning() {
super.didReceiveMemoryWarning()
// Dispose of any resources that can be recreated.
}
override func collectionView(collectionView: UICollectionView, numberOfItemsInSection section: Int) -> Int {
// #warning Incomplete implementation, return the number of items
return imageNames.count ?? 0
}
override func collectionView(collectionView: UICollectionView, cellForItemAtIndexPath indexPath: NSIndexPath) -> UICollectionViewCell {
let cell:NewFeatureCell = collectionView.dequeueReusableCellWithReuseIdentifier(reuseIdentifier, forIndexPath: indexPath) as! NewFeatureCell
let count = imageNames.count ?? 0
if count > 0 {
cell.image = UIImage(named: imageNames[indexPath.item])
}
// Configure the cell
return cell
}
override func collectionView(collectionView: UICollectionView, didSelectItemAtIndexPath indexPath: NSIndexPath) {
// 能進入這兒，imageNames.count肯定有值了
if indexPath.item == imageNames.count - 1 {
keyWindow.rootViewController = MainViewController()
}
}
override func scrollViewDidEndDecelerating(scrollView: UIScrollView) {
let currendPage = Int(scrollView.contentOffset.x / self.view.bounds.width + 0.5)
//最後一頁不顯示pageControll
pageControll.currentPage = currendPage
}
override func scrollViewDidScroll(scrollView: UIScrollView) {
if scrollView.contentOffset.x/self.view.bounds.width > (CGFloat(imageNames.count)-1.5){
pageControll.hidden = true
}else {
pageControll.hidden = false
}
}
// MARK: -懶加載
/// 新特性的圖片數組
private let imageNames:[String] = ["gp_bg_0","gp_bg_1", "gp_bg_2"]
/// pageControll
private lazy var pageControll:UIPageControl = {
let pageContr = UIPageControl()
pageContr.numberOfPages = self.imageNames.count ?? 0
pageContr.pageIndicatorTintColor = UIColor.whiteColor()
pageContr.currentPageIndicatorTintColor = UIColor.yellowColor()
return pageContr
}()
}
class newFeatureFlowLayout: UICollectionViewFlowLayout {
override func prepareLayout() {
super.prepareLayout()
// MARK: 設置layout
// 設置itemSize
itemSize = UIScreen.mainScreen().bounds.size
//設置間距
minimumLineSpacing = 0
minimumInteritemSpacing = 0
//設置方向
scrollDirection = .Horizontal
// MARK: 設置collectionVIew
// 設置分頁
collectionView?.pagingEnabled = true
// 設置隱藏橫豎的滾動條
collectionView?.showsVerticalScrollIndicator = false
collectionView?.showsHorizontalScrollIndicator = false
//取消彈簧效果
collectionView?.bounces = false
}
}
//
// NewFeatureCell.swift
// FlowerField
//
// Created by CJW on 17/6/5.
// Copyright © 2017年 cjw. All rights reserved.
//
import UIKit
import SnapKit
class NewFeatureCell: UICollectionViewCell {
//顯示的image
var image:UIImage?{
didSet {
if let img = image {
imageView.image = img
}
}
}
// MARK : - 內部控制方法
override init(frame: CGRect) {
super.init(frame:frame)
setup()
}
required init?(coder aDecoder: NSCoder) {
fatalError("init(coder:) has not been implemented")
}
private func setup(){
contentView.addSubview(imageView)
imageView.snp_makeConstraints { (make) in
make.edges.equalTo(0)
}
}
// MARK: - 懶加載
private lazy var imageView:UIImageView = UIImageView()
}
