Swift iOS : 抽屉效果

内容简介：Swift iOS : 抽屉效果

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 : DrawerController?

@UIApplicationMain
class AppDelegate: UIResponder, UIApplicationDelegate {
    var window : UIWindow?
    func application(_ application: UIApplication, didFinishLaunchingWithOptions launchOptions: [UIApplicationLaunchOptionsKey: Any]?) -> Bool {
        window = UIWindow()
        drawerController = DrawerController(centerViewController: CenterPage(), leftDrawerViewController: LeftPage(), rightDrawerViewController: RightPage());
        window!.rootViewController = drawerController
        drawerController!.openDrawerGestureModeMask=OpenDrawerGestureMode.panningCenterView
        drawerController!.closeDrawerGestureModeMask=CloseDrawerGestureMode.all;
        window!.rootViewController!.view.backgroundColor = .blue
        window!.makeKeyAndVisible()
        return true
    }
}
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。

以上所述就是小编给大家介绍的《Swift iOS : 抽屉效果》，希望对大家有所帮助，如果大家有任何疑问请给我留言，小编会及时回复大家的。在此也非常感谢大家对 码农网 的支持！

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