IOS Objectivec

gistfile1.txt

NSString* fontName = [[AppDelegate getSetting] fontName];
  int fontSize = [[AppDelegate getSetting] fontSize];

ad = (AppDelegate*)[[UIApplication sharedApplication] delegate];
NSString* fontName = [[AppDelegate getSetting] fontName];
int fontSize = [[AppDelegate getSetting] fontSize];

let result=newsPageVos.map({return $0.newsChannel.display_name}).reduce(""){$0+$1}

        android intent 在ios 類似的功能 

let fileUrl=response.dest
            CommonUtils().printLog("\(fileUrl)")
//            let file = try Data(contentsOf: fileUrl)  will not effect
            let file = NSURL(fileURLWithPath: fileUrl.absoluteString)
            let activityViewController: UIActivityViewController = UIActivityViewController(activityItems: [file], applicationActivities:nil)
            activityViewController.popoverPresentationController?.sourceView = self.lb_attachName
            DispatchQueue.main.async {
                self.present(activityViewController, animated: true, completion: nil);
            }

import Foundation
class FileTool{
    public func dir() -> URL {
        return FileManager.default.urls(for: .documentDirectory, in: .userDomainMask)[0]
    }
    public func documentsDir() -> String {
        
        var paths = NSSearchPathForDirectoriesInDomains(.documentDirectory, .userDomainMask, true) as [String]
        return paths[0]
    }
    
    public func cachesDir() -> String {
        var paths = NSSearchPathForDirectoriesInDomains(.cachesDirectory, .userDomainMask, true) as [String]
        return paths[0]
    }
}