i've read every thread about
if(cell == nil) but throws error incomparable. i've been trying days tableviewcells stop duplicating when exists. help!! title in section headers duplicate , overlay each other. i'm assuming images duplicating well. when test on iphone scrolling laggy.
viewcontroller.swift import uikit import swiftyjson import alamofire import avfoundation class viewcontroller: uiviewcontroller, uitableviewdelegate, uitableviewdatasource { @iboutlet weak var navigationbar: uinavigationitem! @iboutlet weak var tableview: uitableview! var list = [] var audioplayer:avaudioplayer! override func didreceivememorywarning() { super.didreceivememorywarning() // dispose of resources can recreated. } func getlistbro() -> nsarray { return list } override func viewdidload() { super.viewdidload() // additional setup after loading view, typically nib. tableview.datasource = self; tableview.delegate = self; self.tableview.rowheight = uitableviewautomaticdimension let streamurl = nsurl(string: "http://localhost:8000/beat-stream-all/")! let stuff = getbeatstream(url:streamurl) self.tableview.rowheight = uitableviewautomaticdimension; self.tableview.estimatedrowheight = 50.0; // stuff.downloadjsonfromurl { (let jsondictionary) in if let jsonlist = jsondictionary["results"] as? nsarray { self.list = jsonlist } let priority = dispatch_queue_priority_default dispatch_async(dispatch_get_global_queue(priority, 0)) { // task dispatch_async(dispatch_get_main_queue()) { // update ui self.tableview.reloaddata() } } } }//end view did load func tableview(tableview: uitableview, cellforrowatindexpath indexpath: nsindexpath) -> uitableviewcell { let cell = tableview.dequeuereusablecellwithidentifier("streamcell") as? streamtableviewcell if let beat_cover = list[indexpath.section] as? nsdictionary { if let beat_cover_image = beat_cover["beat_cover"] as? string { cell?.beatcover.image = uiimage(data: nsdata(contentsofurl: nsurl(string:beat_cover_image)!)!) } } if let descriptionsection = list[indexpath.section] as? nsdictionary { if let description = descriptionsection["description"] as! nsstring? { cell?.beatdescription.text = description string cell?.beatdescription.linebreakmode = nslinebreakmode.bywordwrapping } } if let audio = list[indexpath.section] as? nsdictionary { if let audio_url = audio["audio"] as? string { cell?.url = audio_url cell?.buildplayer() } } return cell! } func tableview(tableview: uitableview, numberofrowsinsection section: int) -> int { return 1 } func numberofsectionsintableview(tableview: uitableview) -> int { return list.count } func tableview(tableview: uitableview, willdisplayheaderview view: uiview, forsection section: int) { // username let beatauthorlabel = uilabel(frame: cgrectmake(55, 5, 200, 40)) //user pic let profilepictureimageview = uiimageview(frame: cgrectmake(5, 5, 40, 40)); profilepictureimageview.layer.borderwidth = 0 profilepictureimageview.layer.maskstobounds = false profilepictureimageview.layer.bordercolor = uicolor.blackcolor().cgcolor profilepictureimageview.layer.cornerradius = profilepictureimageview.frame.height/2 profilepictureimageview.clipstobounds = true profilepictureimageview.layer.maskstobounds = true if let userpicsection = list[section] as? nsdictionary { if let artist = userpicsection["artist"] as? nsdictionary { if let profilepic = artist["profile_pic"] as? string { let image = uiimage(data: nsdata(contentsofurl: nsurl(string:profilepic)!)!) profilepictureimageview.image = image; } } } if let namesection = list[section] as? nsdictionary { if let name = namesection["artist"] as? nsdictionary { if let adminname = name["admin_name"] as? nsstring { beatauthorlabel.text = adminname string } } } let datelabel = uilabel(frame: cgrectmake(225, 5, 200, 40)) if let created = list[section] as? nsdictionary { if let date = created["created_at"] as? string { datelabel.text = date string datelabel.font = uifont(name: datelabel.font.fontname, size: 8) } } let header: uitableviewheaderfooterview = view as! uitableviewheaderfooterview header.addsubview(beatauthorlabel) header.addsubview(datelabel) header.contentview.addsubview(profilepictureimageview) header.contentview.backgroundcolor = uicolor(red: 179/255, green: 194/255, blue: 191/255, alpha:1) header.textlabel!.textcolor = uicolor.whitecolor() header.alpha = 1 } func tableview(tableview: uitableview, heightforheaderinsection section: int) -> cgfloat { return 50 } func tableview(tableview: uitableview, didselectrowatindexpath indexpath: nsindexpath) { let indexpath = tableview.indexpathforselectedrow let currentcell = tableview.cellforrowatindexpath(indexpath!)! as! streamtableviewcell currentcell.player.play() } func tableview(tableview: uitableview, didenddisplayingcell cell: uitableviewcell, forrowatindexpath indexpath: nsindexpath) { let leavingcell = cell as! streamtableviewcell leavingcell.player.pause() } }
Comments
Post a Comment