可以使用DrawerController框架实现抽屉的效果。看起来还是蛮帅气的。
需要做的就是一个DrawerController,3个ViewController。3个ViewController分别用于左侧的抽屉,当前的抽屉,右侧的抽屉。DrawerController用来管理所有的抽屉。然后就可以通过手势左滑、右滑拉出和推入抽屉界面了。首先使用Pod引入此框架:
target 'four' do use_frameworks!
pod 'DrawerController', '~> 3.2' end
记得去执行下安装:
pod install --verbose --no-repo-update
如下代码可以直接执行:
import UIKit
import DrawerController
var drawerController : DrawerPage?
@UIApplicationMain
class AppDelegate: UIResponder, UIApplicationDelegate {
var window : UIWindow?
func application(_ application: UIApplication, didFinishLaunchingWithOptions launchOptions: [UIApplicationLaunchOptionsKey: Any]?) -> Bool {
window = UIWindow()
drawerController = DrawerPage()
window!.rootViewController = drawerController
window!.rootViewController!.view.backgroundColor = .blue
window!.makeKeyAndVisible()
return true
}
}
class DrawerPage : DrawerBase{
init(){
super.init(CenterPage(),LeftPage(),RightPage())
}
// 哄编译器开心的代码
required init?(coder aDecoder: NSCoder) {
super.init(coder: aDecoder)
}
}
class DrawerBase : DrawerController{
init(_ center : UIViewController,_ left : UIViewController,_ right : UIViewController){
super.init(centerViewController: center, leftDrawerViewController: left, rightDrawerViewController: right)
openDrawerGestureModeMask=OpenDrawerGestureMode.panningCenterView
closeDrawerGestureModeMask=CloseDrawerGestureMode.all;
}
// 从入门到入门:
// 1. What exactly is init coder aDecoder?
// 2. What does the question mark means in public init?(coder aDecoder: NSCoder)?
required init?(coder aDecoder: NSCoder) {
fatalError("init(coder:) has not been implemented")
}
}
class LeftPage: UIViewController {
var count = 0
var label : UILabel!
override func viewDidLoad() {
super.viewDidLoad()
self.view.backgroundColor = .white
label = UILabel()
label.frame = CGRect(x: 100, y: 100, width: 120, height: 50)
label.text = "Left"
view.addSubview(label)
let button = UIButton(type: .system)
button.frame = CGRect(x: 120, y: 150, width: 120, height: 50)
button.setTitle("Close",for: .normal)
button.addTarget(self, action: #selector(buttonAction(_:)), for: .touchUpInside)
view.addSubview(button)
}
func buttonAction(_ sender:UIButton!){
drawerController?.toggleLeftDrawerSide(animated: true, completion: nil)
}
}
class RightPage: UIViewController {
var count = 0
var label : UILabel!
override func viewDidLoad() {
super.viewDidLoad()
self.view.backgroundColor = .white
label = UILabel()
label.frame = CGRect(x: 100, y: 100, width: 120, height: 50)
label.text = "Right"
view.addSubview(label)
let button = UIButton(type: .system)
button.frame = CGRect(x: 120, y: 150, width: 120, height: 50)
button.setTitle("Close",for: .normal)
button.addTarget(self, action: #selector(buttonAction(_:)), for: .touchUpInside)
view.addSubview(button)
}
func buttonAction(_ sender:UIButton!){
drawerController?.toggleRightDrawerSide(animated: true, completion: nil)
}
}
class CenterPage: UIViewController {
var label : UILabel!
override func viewDidLoad() {
super.viewDidLoad()
self.view.backgroundColor = .white
label = UILabel()
label.frame = CGRect(x: 100, y: 100, width: 120, height: 50)
label.text = "Center"
view.addSubview(label)
let button = UIButton(type: .system)
button.frame = CGRect(x: 120, y: 150, width: 120, height: 50)
button.backgroundColor = .blue
button.setTitle("Left Page Drawer",for: .normal)
button.addTarget(self, action: #selector(buttonAction(_:)), for: .touchUpInside)
view.addSubview(button)
let button1 = UIButton(type: .system)
button1.frame = CGRect(x: 120, y: 200, width: 220, height: 50)
button1.contentHorizontalAlignment = .left
button1.setTitle("Right Page Drawer",for: .normal)
button1.addTarget(self, action: #selector(buttonAction1(_:)), for: .touchUpInside)
button1.backgroundColor = .red
view.addSubview(button1)
}
func buttonAction(_ sender:UIButton!){
drawerController?.toggleLeftDrawerSide(animated: true, completion: nil)
}
func buttonAction1(_ sender:UIButton!){
drawerController?.toggleRightDrawerSide(animated: true, completion: nil)
}
}
代码执行起来后,可以看到首页标签显示为Center,还有两个按钮,分别为Left Page Drawer ,Right Page Drawer。点击即可拉出左侧或者右侧的抽屉(一个ViewController)。也可以使用手势拉出和推入抽屉。
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