这个是一个第三方按钮菜单组件，原版是使用Objective-C编写的名为AwesomeMenu的组件，地址是：https://github.com/levey/AwesomeMenu

import UIKit

class ViewController: UIViewController,HanggeSwiftMenuDelegate {
    
    override func viewDidLoad() {
        super.viewDidLoad()
        
        let storyMenuItemImage =  UIImage(named:"bg-menuitem.png")
        let storyMenuItemImagePressed =  UIImage(named:"bg-menuitem-highlighted.png")
        let starImage =  UIImage(named:"icon-star.png")
        
        // Default Menu
        let starMenuItem1 =  HanggeSwiftMenuItem(image:storyMenuItemImage!,
            highlightedImage:storyMenuItemImagePressed!, contentImage:starImage!,
            highlightedContentImage:nil)
        let starMenuItem2 =  HanggeSwiftMenuItem(image:storyMenuItemImage!,
            highlightedImage:storyMenuItemImagePressed!, contentImage:starImage!,
            highlightedContentImage:nil)
        let starMenuItem3 =  HanggeSwiftMenuItem(image:storyMenuItemImage!,
            highlightedImage:storyMenuItemImagePressed!, contentImage:starImage!,
            highlightedContentImage:nil)
        let starMenuItem4 =  HanggeSwiftMenuItem(image:storyMenuItemImage!,
            highlightedImage:storyMenuItemImagePressed!, contentImage:starImage!,
            highlightedContentImage:nil)
        let starMenuItem5 =  HanggeSwiftMenuItem(image:storyMenuItemImage!,
            highlightedImage:storyMenuItemImagePressed!, contentImage:starImage!,
            highlightedContentImage:nil)
        let starMenuItem6 =  HanggeSwiftMenuItem(image:storyMenuItemImage!,
            highlightedImage:storyMenuItemImagePressed!, contentImage:starImage!,
            highlightedContentImage:nil)
        let starMenuItem7 =  HanggeSwiftMenuItem(image:storyMenuItemImage!,
            highlightedImage:storyMenuItemImagePressed!, contentImage:starImage!,
            highlightedContentImage:nil)
        let starMenuItem8 =  HanggeSwiftMenuItem(image:storyMenuItemImage!,
            highlightedImage:storyMenuItemImagePressed!, contentImage:starImage!,
            highlightedContentImage:nil)
        let starMenuItem9 =  HanggeSwiftMenuItem(image:storyMenuItemImage!,
            highlightedImage:storyMenuItemImagePressed!, contentImage:starImage!,
            highlightedContentImage:nil)
        
        let menus =  [starMenuItem1, starMenuItem2, starMenuItem3, starMenuItem4,
            starMenuItem5, starMenuItem6, starMenuItem7,starMenuItem8,starMenuItem9]
        
        let startItem =  HanggeSwiftMenuItem(image:UIImage(named:"bg-addbutton.png")!,
            highlightedImage:UIImage(named:"bg-addbutton-highlighted.png")!,
            contentImage:UIImage(named:"icon-plus.png")!,
            highlightedContentImage:UIImage(named:"icon-plus-highlighted.png")
        )
        
        let menu =  HanggeSwiftMenu(frame:self.view.bounds, startItem:startItem,
                                    aMenusArray:menus)
        menu.delegate = self
        self.view.addSubview(menu)
    }
   
    func SwiftSelectMenu(_ menu:HanggeSwiftMenu, didSelectIndex idx:Int)
    {
        
        print("Select the index : %d",idx)
    }
    
    func HanggeSwiftMenuDidFinishAnimationClose(_ menu:HanggeSwiftMenu)
    {
        
        print("Menu was closed!")
    }
    
    func HanggeSwiftMenuDidFinishAnimationOpen(_ menu:HanggeSwiftMenu)
    {
        
        print("Menu is open!")
    }
    
    func HanggeSwiftMenuWillAnimateOpen(_ menu:HanggeSwiftMenu)
    {
        
    }
    
    func HanggeSwiftMenuWillAnimateClose(_ menu:HanggeSwiftMenu)
    {
        
    }
    
    override func didReceiveMemoryWarning() {
        super.didReceiveMemoryWarning()
    }
}

源码下载：HanggeMenu.zip