-4
我有一個iOS和Webservice的小項目,我試圖從webservice加載數據時打開此應用程序。所以當數據加載時,UIthread將會是「PAUSE」...那麼我怎麼能像Android中的AsyncTask那樣在背景中做到這一點?在後臺做Swift
self.conectDataNew.DemoSVNew("Movie", field: "IDMovie,Image,NameViet,Point", condition: "Year|DESC,Limit|7,IDState|2", request: "") { (stringData) in
let dataArray = stringData.componentsSeparatedByString("|")
let decodedData = NSData(base64EncodedString: dataArray[2], options: NSDataBase64DecodingOptions(rawValue: 0))
let decodedString = NSString(data: decodedData!, encoding: NSUTF8StringEncoding)
let dataArr = decodedString!.componentsSeparatedByString("<row>")
for i in 0...dataArr.count-1 {
let menu = dataArr[i].componentsSeparatedByString("|")
let url:NSURL = NSURL(string: menu[1])!
let dt :NSData = NSData(contentsOfURL: url)!
self.idNew.append(menu[0])
self.posterNew.append(dt)
self.namesNew.append(menu[2])
self.scoreNew.append(menu[3])
}
self.clvNew?.reloadData()
}
你試過谷歌搜索'迅速異步'?作爲第一個結果,產生https://www.raywenderlich.com/79149/grand-central-dispatch-tutorial-swift-part-1! – luk2302
dispatch_async(dispatch_get_global_queue(INT(QOS_CLASS_USER_INITIATED.value),0)){// 1 讓窗格在overlayImage = self.faceOverlayImageFromImage(self.image) dispatch_async(dispatch_get_main_queue()){// 2 self.fadeInNewImage(窗格在overlayImage)//3 } } 是這種方法嗎?背景在哪裏? –
**閱讀教程**,沒什麼可說的。 – luk2302