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IOS 应用内显示 AppStore 某个应用的详情

投稿:lqh

本文主要介绍ISO应用内打开AppStorn 显示某个应用详情,这里帮大家总结了两种方法,大家对比一下,在项目中选择应用,

前言

  应用内跳转到 AppStore 的文章很多,一般都是用 SKStoreProductViewController 来实现的,不知道有没有在意一个问题:打开很慢!!怎么忍?!

 正文

  一般网上的文章的代码:

 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)
 }

实现的效果很好,就是很慢,点击按钮调用 openAppStore 要很久才能显示出界面,就算加一个转圈效果也很差。原因是因为要去  linkmaker.itunes.apple.com 根据 identifier 查找链接,仔细看代码我们会发现 presentViewController 是在查找到结果才被调用,其实我们可以不用让界面现出来,虽然时间是一样的,但是用户体验会很好,修改后代码如下:

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)
 }

代码说明:

    不等 loadProductWithParameters 返回直接 presentViewController ,解析失败再尝试用 openURL 的方式打开。

参考:

    http://stackoverflow.com/questions/17871920/odd-behavior-with-skstoreproductviewcontroller

结束:        以上就是对ISO 应用内打开AppStorn显示某个应用详情,有需要的朋友可以参考下。   

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