从UIActivity控制器中删除保存视频选项

import UIKit

class CustomActivityViewController: UIActivityViewController {
    
    override func activityItemsConfiguration(for activity: UIActivity) -> UIActivityItemsConfiguration {
        var configuration = super.activityItemsConfiguration(for: activity)
        
        if activity.activityCategory == .action || activity.activityCategory == .share {
            // 添加操作选项和分享选项到列表中
            configuration = configuration.updated(with: [activity])
        } else {
            // 添加自定义选项到列表中
            if activity.activityType != "com.apple.UIKit.activity.SaveToCameraRoll" {
                configuration = configuration.updated(with: [activity])
            }
        }
        
        return configuration
    }
    
    override func perform() {
        // 执行用户选择的活动选项的操作
        if let activityType = activityType {
            // 根据活动选项的标识符执行相应的操作
            if activityType == "com.example.customActivity" {
                // 执行自定义操作
                // ...
            } else {
                super.perform()
            }
        }
    }
}