自定义UIActivity分享

屏幕快照 2017-03-14 下午5.34.24.png

import UIKit

class ViewController: UIViewController {
    
    override func viewDidLoad() {
        super.viewDidLoad()
        // Do any additional setup after loading the view, typically from a nib.
        let btn = UIButton(type: .custom)
        btn.frame = CGRect(x: 50, y: 100, width: 80, height: 80)
        btn.addTarget(self, action: #selector(btnClick(_ :)), for: .touchUpInside)
        btn.setTitleColor(UIColor.blue, for: .normal)
        btn.setTitle("按钮", for: .normal)
        self.view.addSubview(btn)
        
    }
    func btnClick(_ btn:UIButton)
    {
        //准备分享内容，文本图片链接
        let items = ["航歌", UIImage(named:"93-dot-red")!,
                     NSURL(fileURLWithPath:"http://hangge.com")] as [Any]
        
        //新建自定义的分享对象数组
        let acts = [FirstActivity(),SecondActivity()]
        
        
        let activityVC:UIActivityViewController = UIActivityViewController(activityItems: items, applicationActivities: acts)
        
        //要排除的分享按钮，不显示在分享框里
        activityVC.excludedActivityTypes = [UIActivityType.mail,UIActivityType.copyToPasteboard,
                                            UIActivityType.print,UIActivityType.assignToContact,UIActivityType.saveToCameraRoll]
        self.present(activityVC, animated: true, completion: nil)
        
    }

    override func didReceiveMemoryWarning() {
        super.didReceiveMemoryWarning()
        // Dispose of any resources that can be recreated.
    }


}

import Foundation
import UIKit

class FirstActivity: UIActivity {
    var text:String!
    var url:NSURL!
    var image:UIImage!
    
    override var activityTitle: String?
        {
            return "第一"
    }
    
    override var activityImage: UIImage?
        {
            return UIImage(named: "1234")
    }
    
    //分享类型，在UIActivityViewController.completionHandler回调里可以用于判断，一般取当前类名
    override var activityType: UIActivityType? {
        return UIActivityType(rawValue: FirstActivity.self.description())
    }
    
    //按钮类型（分享按钮：在第一行，彩色，动作按钮：在第二行，黑白）
    override class var activityCategory: UIActivityCategory{
        return UIActivityCategory.action
    }

    //是否显示分享按钮，这里一般根据用户是否授权,或分享内容是否正确等来决定是否要隐藏分享按钮
    override func canPerform(withActivityItems activityItems: [Any]) -> Bool {
        for item in activityItems {
            if item is UIImage {
                return true
            }
            if item is NSURL {
                return true
            }
            if item is String {
                return true
            }
        }
        return false
    }
    
    //解析分享数据时调用，可以进行一定的处理
    override func prepare(withActivityItems activityItems: [Any]) {
        print("prepareWithActivityItems")
        for item in activityItems {
            if item is UIImage {
                image = item as! UIImage
            }
            if item is String {
                text = item as! String
            }
            if item is NSURL {
                url = item as! NSURL
            }
        }

    }
    
    //执行分享行为
    //这里根据自己的应用做相应的处理
    //例如你可以分享到另外的app例如微信分享，也可以保存数据到照片或其他地方，甚至分享到网络
    override func perform() {
        print("performActivity")
        //具体的执行代码这边先省略
    }

    //分享时调用
    override var activityViewController: UIViewController?
    {
        print("activityViewController")
        return nil
    }
    
    //完成分享后调用
    override func activityDidFinish(_ completed: Bool) {
        print("activitydidfinish")
    }
    
    
}

import Foundation
import UIKit

class SecondActivity: UIActivity {
    var text:String!
    var url:NSURL!
    var image:UIImage!
    
    override var activityTitle: String?
    {
        return "第二"
    }
    
    override var activityImage: UIImage?
    {
        return UIImage(named: "58(1)")
    }
    
    //分享类型，在UIActivityViewController.completionHandler回调里可以用于判断，一般取当前类名
    override var activityType: UIActivityType? {
        return UIActivityType(rawValue: SecondActivity.self.description())
    }
    
    //按钮类型（分享按钮：在第一行，彩色，动作按钮：在第二行，黑白）
    override class var activityCategory: UIActivityCategory{
        return UIActivityCategory.share
    }
    
    //是否显示分享按钮，这里一般根据用户是否授权,或分享内容是否正确等来决定是否要隐藏分享按钮
    override func canPerform(withActivityItems activityItems: [Any]) -> Bool {
        for item in activityItems {
            if item is UIImage {
                return true
            }
            if item is NSURL {
                return true
            }
            if item is String {
                return true
            }
        }
        return false
    }
    
    //解析分享数据时调用，可以进行一定的处理
    override func prepare(withActivityItems activityItems: [Any]) {
        print("prepareWithActivityItems")
        for item in activityItems {
            if item is UIImage {
                image = item as! UIImage
            }
            if item is String {
                text = item as! String
            }
            if item is NSURL {
                url = item as! NSURL
            }
        }
        
    }
    
    //执行分享行为
    //这里根据自己的应用做相应的处理
    //例如你可以分享到另外的app例如微信分享，也可以保存数据到照片或其他地方，甚至分享到网络
    override func perform() {
        print("performActivity")
        //具体的执行代码这边先省略
    }
    
    //分享时调用
    override var activityViewController: UIViewController?
    {
        print("activityViewController")
        return nil
    }
    
    //完成分享后调用
    override func activityDidFinish(_ completed: Bool) {
        print("activitydidfinish")
    }
    
    
}