媒介
運用內跳轉到 AppStore 的文章許多,普通都是用 SKStoreProductViewController 來完成的,不曉得有無在乎一個成績:翻開很慢!!怎樣忍?!
注釋
普通網上的文章的代碼:
func openAppStore(url: String){ if let number = url.rangeOfString("[0-9]{9}", options: NSStringCompareOptions.RegularExpressionSearch) { let appId = url.substringWithRange(number) let productView = SKStoreProductViewController() productView.delegate = self productView.loadProductWithParameters([SKStoreProductParameterITunesItemIdentifier : appId], completionBlock: { [weak self](result: Bool, error: NSError?) -> Void in if result { self?.presentViewController(productView, animated: true, completion: nil) } else { self?.openAppUrl(url) } }) } else { openAppUrl(url) } } private func openAppUrl(url: String) { let nativeURL = url.stringByReplacingOccurrencesOfString("https:", withString: "itms-apps:") if UIApplication.sharedApplication().canOpenURL(NSURL(string:nativeURL)!) { UIApplication.sharedApplication().openURL(NSURL(string:url)!) } } func productViewControllerDidFinish(viewController: SKStoreProductViewController) { viewController.dismissViewControllerAnimated(true, completion: nil) }
完成的後果很好,就是很慢,點擊按鈕挪用 openAppStore 要良久能力顯示出界面,就算加一個轉圈後果也很差。緣由是由於要去 linkmaker.itunes.apple.com 依據 identifier 查找鏈接,細心看代碼我們會發明 presentViewController 是在查找到成果才被挪用,其實我們可以不消讓界面現出來,固然時光是一樣的,然則用戶體驗會很好,修正子女碼以下:
func openAppStore(url: String){ if let number = url.rangeOfString("[0-9]{9}", options: NSStringCompareOptions.RegularExpressionSearch) { let appId = url.substringWithRange(number) let productView = SKStoreProductViewController() productView.delegate = self productView.loadProductWithParameters([SKStoreProductParameterITunesItemIdentifier : appId], completionBlock: { [weak self](result: Bool, error: NSError?) -> Void in if !result { productView.dismissViewControllerAnimated(true, completion: nil) self?.openAppUrl(url) } }) self.presentViewController(productView, animated: true, completion: nil) } else { openAppUrl(url) } } private func openAppUrl(url: String) { let nativeURL = url.stringByReplacingOccurrencesOfString("https:", withString: "itms-apps:") if UIApplication.sharedApplication().canOpenURL(NSURL(string:nativeURL)!) { UIApplication.sharedApplication().openURL(NSURL(string:url)!) } } func productViewControllerDidFinish(viewController: SKStoreProductViewController) { viewController.dismissViewControllerAnimated(true, completion: nil) }
代碼解釋:
不等 loadProductWithParameters 前往直接 presentViewController ,解析掉敗再測驗考試用 openURL 的方法翻開。
參考:
http://stackoverflow.com/questions/17871920/odd-behavior-with-skstoreproductviewcontroller
停止: 以上就是對ISO 運用內翻開AppStorn顯示某個運用概況,有須要的同伙可以參考下。
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