将应用 link 分享给 ActivityViewController iOS swift？

Question

我的应用程序尚未上线。我从 App Store Connect 获得了应用程序 ID。我想在社交媒体应用程序上分享应用程序 link。我使用了 UIActivityViewController:

let string1 = "itms-apps://itunes.apple.com/app/idXXXXXXX"
let url = NSURL(string: string1)

let shareItems = [UIApplication.sharedApplication().openURL(url!)]
    
let activityViewController = UIActivityViewController(activityItems: shareItems, applicationActivities: nil)
self.presentViewController(activityViewController, animated: true, completion: nil)

问题：它没有显示 WhatsApp 等社交媒体应用程序。

Answer 1

这是用来打开网站的，不是用来分享应用的：

[UIApplication.sharedApplication().openURL(url!)]

改为这样做：

if let name = URL(string: "https://itunes.apple.com/us/app/myapp/idxxxxxxxx?ls=1&mt=8"), !name.absoluteString.isEmpty {
  let objectsToShare = [name]
  let activityVC = UIActivityViewController(activityItems: objectsToShare, applicationActivities: nil)
  self.present(activityVC, animated: true, completion: nil)
} else {
  // show alert for not available
}

示例见this

Answer 2

Swift4 或更好的解决方案：

此解决方案也适用于 iPad（上述解决方案在 iPad 上崩溃）：

if let urlStr = NSURL(string: "https://apps.apple.com/us/app/idxxxxxxxx?ls=1&mt=8") {
    let objectsToShare = [urlStr]
    let activityVC = UIActivityViewController(activityItems: objectsToShare, applicationActivities: nil)

    if UIDevice.current.userInterfaceIdiom == .pad {
        if let popup = activityVC.popoverPresentationController {
            popup.sourceView = self.view
            popup.sourceRect = CGRect(x: self.view.frame.size.width / 2, y: self.view.frame.size.height / 4, width: 0, height: 0)
        }
    }

    self.present(activityVC, animated: true, completion: nil)
}

Answer 3

iPhone Swift 5+

的解决方案

let url = URL(string: "https://apps.apple.com/us/app/id1535629801")!
let vc = UIActivityViewController(activityItems: [url], applicationActivities: nil)
present(vc, animated: true)

Answer 4

这里的解决方案都很好，但值得考虑实施 UIActivityItemSource 协议和 LinkPresentation 框架。

我的解决方案实现了以下目标：

• 应用程序图标和标题显示在 UIActivityViewController
• 直接 link 到 App Store 进行 AirDrop ActivityType
• 消息和电子邮件的自定义文本，包括在 Google 上向应用添加 link 的机会 如果需要，请播放
• 电子邮件的主题
• 不使用 LPMetaDataProvider 提取请求（如本 WWDC 2019 262 视频中所述），因此加载速度更快

0。初始化 UIActivityViewController:

将项目设置为 self:

let activityVC = UIActivityViewController(activityItems: [self], applicationActivities: nil)

排除某些不适用的 ActivityType：

activityVC.excludedActivityTypes = [.addToReadingList, .assignToContact, .markupAsPDF, .openInIBooks, .saveToCameraRoll]

对于 iPad 设置 popoverPresentationController.sourceView 或 .barButtonItem（这在 iPhone 上被忽略）：

activityVC.popoverPresentationController?.sourceView = myButton

出示：

present(activityVC, animated: true, completion: nil)

1。实施所需的 UIActivityItemSource 方法

https://developer.apple.com/documentation/uikit/uiactivityitemsource

您必须根据文档实现占位符方法：

Placeholder objects do not have to contain any real data but should be configured as closely as possible to the actual data object you intend to provide.

func activityViewControllerPlaceholderItem(_ activityViewController: UIActivityViewController) -> Any {
    return ""
}

以及实际数据，将 link 返回给 AirDrop 的应用程序，并为其他所有内容返回文本：

func activityViewController(_ activityViewController: UIActivityViewController, itemForActivityType activityType: UIActivity.ActivityType?) -> Any? {
    
    if activityType == .airDrop {
        return URL(string: "APP_STORE_URL")!
    }
    
    return "Check out the APP_NAME on the App Store: APP_STORE_URL or on the Google Play Store: PLAY_STORE_URL"
}

2。实现主题方法

来自文档：

For activities that support a subject field, returns the subject for the item.

func activityViewController(_ activityViewController: UIActivityViewController, subjectForActivityType activityType: UIActivity.ActivityType?) -> String {
    return "EMAIL_SUBJECT" // e.g. App name
}

3。实施LPLinkMetaData方法

来自文档：

Returns metadata to display in the preview header of the share sheet.

@available(iOS 13.0, *)
func activityViewControllerLinkMetadata(_ activityViewController: UIActivityViewController) -> LPLinkMetadata? {
    let metadata = LPLinkMetadata()
    metadata.title = "APP_NAME"
    return metadata
}