xcode - Dual screen Airplay, balck screen after reload AVPlayer -


i try scroll view multiple video. have blank screen in case:

  1. i create scroll view
  2. add avfoundation -> avplayer each slide.
  3. each avplayer keep in array

everything works ok, in 1 case black screen. when connect via airplay tv , move scroll view. on videos shows black screen. voice still available. below function show video on dual screen. idea wrong? when checking on simulator works ok.

in debugger problem here: "let avplayerlayer = avplayerlayer(player: o.o)"

func loadcontentsecondscreen() {      var ipage:int = self.ispage      if (ipage == 0) {         ipage = 1     }//end if      let oallscreens = uiscreen.screens()      // jesli sa podpiete ekrany.     if (oallscreens.count > 1 && self.osecondscreen != nil) {         // usuwamy stare widoki.         if (self.osecondwindow != nil) {             view in self.osecondwindow!.subviews {                 view.removefromsuperview()             }//end         }//end if          // czarne tlo.         let view:uiview = uiview(frame: self.osecondscreen!.bounds)             view.backgroundcolor = uicolor.blackcolor()          self.osecondwindow?.hidden = false         self.osecondwindow?.addsubview(view)          // jesli sa elementy wyswietlania.         if (self.slides > 0) {              let obj:galleryasset = self.content[ipage-1]             let file:string      = obj.zoom              let imagecontent:uiview = uiview(frame: self.osecondscreen!.bounds)              if (obj.type == "jpg" || obj.type == "jpeg" || obj.type == "png") {                 // ladujemy obrazy slidera.                 // czy plik istenieje mozna go zaladowac.                 if (self.fileexistsinassetfolder(obj.zoom) == true) {                     let imageimage: uiimage   = uiimage(contentsoffile: self.pathasset.stringbyappendingpathcomponent(obj.zoom))!                     let imageview:uiimageview = uiimageview(image: imageimage)                         imageview.contentmode = uiviewcontentmode.scaleaspectfill                         imageview.frame       = self.osecondscreen!.bounds                         imagecontent.addsubview(imageview uiview)                 }              } else if (obj.type == "mp4") {                  // ladujemy video slidera.                 if (self.fileexistsinassetfolder(obj.zoom) == true) {                      let videocontainer:uiview = uiview(frame: self.osecondscreen!.bounds)                         videocontainer.layer.backgroundcolor = uicolor.blackcolor().cgcolor                      o in self.avplayerlist {                         if (ipage-1 == o.i) {                             //if !o.o {                                 let avplayerlayer = avplayerlayer(player: o.o)                                     avplayerlayer.frame = videocontainer.bounds                                 videocontainer.layer.addsublayer(avplayerlayer)                                 imagecontent.addsubview(videocontainer)                             //}//end if let                         }//end if                     }//end                 }//end if              }//end if               self.osecondwindow?.addsubview(imagecontent)         }     }  }//end loadcontentsecondscreen()


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