How to unzip a big zip file containing one file and get the progress in bytes with swift?

Question

I try to unzip a big zip file containing only one item (more than 100MB) and like to show the progress during unzipping.

I found solutions where the progress can be

Answer 1

You can try this code :

    SSZipArchive.unzipFileAtPath(filePath, toDestination: self.destinationPath, progressHandler: { 
(entry, zipInfo, readByte, totalByte) -> Void in
      //Create UIProgressView
      //Its an exemple, you can create it with the storyboard...
      var progressBar : UIProgressView?
      progressBar = UIProgressView(progressViewStyle: .Bar)
      progressBar?.center = view.center
      progressBar?.frame = self.view.center
      progressBar?.progress = 0.0
      progressBar?.trackTintColor = UIColor.lightGrayColor();
      progressBar?.tintColor = UIColor.redColor();
      self.view.addSubview(progressBar)

      //Asynchrone task                
      dispatch_async(dispatch_get_main_queue()) {
           println("readByte : \(readByte)")
           println("totalByte : \(totalByte)")                               

           //Change progress value
           progressBar?.setProgress(Float(readByte/totalByte), animated: true)
           //If progressView == 100% then hide it
           if readByte == totalByte {
               progressBar?.hidden = true
           }
       }
}, completionHandler: { (path, success, error) -> Void in
    if success {
        //SUCCESSFUL!!
    } else {
        println(error)
    }
})

I hope I have helped you!

Ysee