Button:
fun GenearateBtn(title:String,titleColor:UIColor,frame:CGRect,backgroundColor:UIColor,action:Selector){
let Btn = UIButton(frame: frame)
Btn.setTitle(title, for: .normal)
Btn.setTitleColor(titleColor, for: .normal)
Btn.backgroundColor = backgroundColor
Btn.addTarget(self, action: action, for: .touchUpInside)
view.addSubview(Btn)
}
Banner轮播(CollectionView):
class Banner: UIView{
var CollectionView: UICollectionView?
var flowlayout = UICollectionViewFlowLayout()
var pageControl = UIPageControl()
override init(frame: CGRect) {
super.init(frame: frame)
self.createSubviews(frame: frame)
}
func createSubviews(frame: CGRect){
CollectionView = UICollectionView(frame: CGRect(x: 0, y: 0, width: frame.size.width, height: frame.size.height)
, collectionViewLayout: flowlayout)
flowlayout.itemSize = CGSize(width:frame.size.width, height:frame.size.height)
flowlayout.minimumInteritemSpacing = 0;
flowlayout.minimumLineSpacing = 0;
flowlayout.scrollDirection = UICollectionViewScrollDirection.horizontal
CollectionView!.backgroundColor = UIColor.lightGray
CollectionView!.isPagingEnabled = true
CollectionView!.dataSource = self
CollectionView!.delegate = self
CollectionView!.showsHorizontalScrollIndicator = false
CollectionView!.showsVerticalScrollIndicator = false
CollectionView!.register(UICollectionViewCell.self, forCellWithReuseIdentifier: "cell")
self.addSubview(CollectionView!)
pageControl = UIPageControl.init(frame: CGRect(x:0,y: 0,width:frame.size.width / 2,height:30))
pageControl.center = CGPoint(x:frame.size.width / 2, y:frame.size.height - 20);
self.addSubview(pageControl);
self.addTimer()
}
func addTimer(){
let timer1 = Timer.init(timeInterval: 5, target: self, selector: #selector(nextPageView), userInfo: nil, repeats: true)
RunLoop.current.add(timer1, forMode: RunLoopMode.commonModes)
timer = timer1
}
func nextPageView(){
let indexPath = self.CollectionView!.indexPathsForVisibleItems.last
var item = (indexPath?.item)! + 1;
var section = indexPath!.section;
//滑动到最后一个item的时候，下一个变为下一Section的第一个
if item == images.count {
item = 0
section += 1
}
self.pageControl.currentPage = item;
let nextIndexPath = IndexPath(row: item, section: section)
CollectionView!.scrollToItem(at: nextIndexPath, at: UICollectionViewScrollPosition.left, animated: true)
}
required init?(coder aDecoder: NSCoder) {
fatalError("init(coder:) has not been implemented")
}
}
extension Banner:UICollectionViewDelegate, UICollectionViewDataSource{
func collectionView(_ collectionView: UICollectionView, cellForItemAt indexPath: IndexPath) -> UICollectionViewCell {
let cell = CollectionView?.dequeueReusableCell(withReuseIdentifier: "cell", for: indexPath)
let colorArr = [UIColor.blue,UIColor.black,UIColor.cyan]
cell?.backgroundColor = colorArr[indexPath.row]
return cell!
}
func numberOfSections(in collectionView: UICollectionView) -> Int {
return 99999
}
func collectionView(_ collectionView: UICollectionView, numberOfItemsInSection section: Int) -> Int {
return 3
}
}
Button Section：
//产生按钮区域
func setupButtonView(){
let View = UIView()
View.width = SCREEN_WIDTH
//ButtonView的起始Y
View.frame.origin.y = 150
self.view.addSubview(View)
let styleLabel = setStyleLabel("按钮Section")
View.addSubview(styleLabel)
//测试数组，按钮的名字
let nameGroup = ["哈哈","哈哈","哈哈","哈哈","哈哈","哈哈","哈哈"]
for index in 0 ..< nameGroup.count {
let button = setupButton(CGFloat(index),inGroup: nameGroup )
if index == nameGroup.count - 1{
View.height = button.frame.maxY + 10
}
View.addSubview(button)
ViewY = View.frame.maxY
}
view.addSubview(View)
}
//按钮区域的名字Label
func setStyleLabel(_ labelName:String) -> UILabel{
let styleLabel = UILabel(frame: CGRect(x: 5, y: 5, width: SCREEN_WIDTH - 10, height: 10))
styleLabel.text = labelName
return styleLabel
}
//产生按钮
func setupButton(_ index:CGFloat,inGroup:[String]) -> circleButton{
let buttonWH = SCREEN_WIDTH / 4
let button = circleButton(frame: CGRect(x: index.truncatingRemainder(dividingBy: 4) * SCREEN_WIDTH/4 , y: 20, width: buttonWH, height: buttonWH))
button.setImage(UIImage(named:"test"), for: .normal)
if index > 3 {
button.frame.origin.y = buttonWH + 20
}
button.setTitle("按钮", for: .normal)
return button
}
Button Section里的circleButton：
import UIKit
class circleButton: UIButton {
override func layoutSubviews() {
super.layoutSubviews()
imageView?.frame.origin.x = 10
imageView?.width = self.width - 20
imageView?.height = (imageView?.width)!
imageView?.layer.cornerRadius = (self.width - 20) / 2
imageView?.layer.masksToBounds = true
titleLabel?.frame.origin.x = 0
titleLabel?.frame.origin.y = imageView!.height
titleLabel?.width = self.width
titleLabel?.height = self.height - self.titleLabel!.frame.origin.y
titleLabel?.textAlignment = .center
titleLabel?.font = UIFont.systemFont(ofSize: 12)
titleLabel?.textColor = UIColor.black
}
}
输入框随键盘升起
import UIKit
class ViewController: UIViewController {
let SCREENW = UIScreen.main.bounds.width
let SCREENH = UIScreen.main.bounds.height
var commentBtn:UIButton!
var inputLineView:UIView!
var inputTextView:UITextView!
var layView:UIView?
var changeY:CGFloat!
var keyboardDuration:Double!
override func viewDidLoad() {
super.viewDidLoad()
//注册键盘的监听
let notiCenter = NotificationCenter.default
notiCenter.addObserver(self, selector: #selector(keyBoardWillShow), name: NSNotification.Name.UIKeyboardWillShow, object: nil)
notiCenter.addObserver(self, selector: #selector(keyBoardWillHide), name: NSNotification.Name.UIKeyboardWillHide, object: nil)
//评论按钮
commentBtn = UIButton(frame: CGRect(x: 100, y: 100 , width: 100, height: 100))
commentBtn.setTitle("Comment", for: .normal)
commentBtn.setTitleColor(UIColor.white, for: .normal)
commentBtn.backgroundColor = UIColor.blue
commentBtn.addTarget(self, action: #selector(CommentBtnClick), for: .touchUpInside)
view.addSubview(commentBtn)
}
func keyBoardWillShow(notifction:NSNotification){
let kbInfo = notifction.userInfo
//获取键盘的size
let kbRect = (kbInfo?[UIKeyboardFrameEndUserInfoKey] as! NSValue).cgRectValue
//键盘的y偏移量
changeY = kbRect.origin.y - SCREENH
//键盘弹出的时间
keyboardDuration = kbInfo?[UIKeyboardAnimationDurationUserInfoKey] as! Double
//界面偏移动画
UIView.animate(withDuration: keyboardDuration) {
self.inputLineView.transform = CGAffineTransform(translationX: 0, y: self.changeY - self.inputLineView.frame.height)
}
}
func keyBoardWillHide(notifction:NSNotification){
UIView.animate(withDuration: 0.25) {
self.inputLineView.transform = CGAffineTransform(translationX: 0, y: self.SCREENH)
self.layView?.isHidden = true
}
}
func CommentBtnClick(){
if inputLineView == nil{
inputLineView = UIView(frame: CGRect(x: 0, y: SCREENH , width: SCREENW, height: 50))
inputLineView.backgroundColor = UIColor.cyan
view.addSubview(inputLineView)
inputTextView = UITextView(frame: CGRect(x: 3, y: 3, width: SCREENW - 6, height: 44))
inputTextView.layer.borderColor = UIColor.darkGray.cgColor
inputTextView.layer.borderWidth = 1
inputLineView.addSubview(inputTextView)
inputTextView.becomeFirstResponder()
} else {
inputTextView.becomeFirstResponder()
}
if layView == nil{
self.layView = UIView(frame: self.view.frame)
layView?.backgroundColor = UIColor.gray
layView?.alpha = 0.5
let tap = UITapGestureRecognizer(target: self, action: #selector(tapLayView))
layView?.addGestureRecognizer(tap)
self.view.insertSubview(layView!, belowSubview: inputLineView!)
} else {
layView?.isHidden = false
}
}
//点击layView，收回键盘
func tapLayView(){
self.inputTextView.resignFirstResponder()
}
}
