我正在尝试为我的游戏制作一个分享按钮。您知道,当您单击时,弹出菜单会显示您的选项。我想知道如何让不同的选项说不同的事情。我还想知道如何制作“保存到相机胶卷”选项。我将在下面发布我的代码。
@IBAction func share(sender: UIButton) {
let firstActivity = "Yes! I scored \(ScoreNumber) in Dotcha! #dotcha @Snowcapps_Dev https://itunes.apple.com/us/app/dotcha!/id977870313?ls=1&mt=8"
let activityViewController : UIActivityViewController = UIActivityViewController(activityItems: [firstActivity], applicationActivities: il)
self.presentViewController(activityViewController, animated: true, completion: nil)
}
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如果要为 Twitter、Facebook、Mail 等自定义文本,可以UIActivityItemProvider通过以下方式从该类继承:
class CustomProvider : UIActivityItemProvider {
var facebookMessage: String!
var twitterMessage: String!
var emailMessage: String!
init(placeholderItem: AnyObject, facebookMessage: String, twitterMessage: String, emailMessage: String) {
super.init(placeholderItem: placeholderItem)
self.facebookMessage = facebookMessage
self.twitterMessage = twitterMessage
self.emailMessage = emailMessage
}
override var item: Any {
switch self.activityType! {
case .postToFacebook:
return self.facebookMessage!
case .postToTwitter:
return self.twitterMessage!
case .mail:
return self.emailMessage!
default:
return "Any Message"
}
}
}
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然后你可以UIActivityViewController通过以下方式调用,例如:
let firstActivityItem = CustomProvider(placeholderItem: "Default", facebookMessage: "Facebook", twitterMessage: "Twitter", emailMessage: "Mail")
let secondActivityItem = URL(string: "http://www.google.com")!
let image = UIImage(named: "nameofYOurImage.ext")!
let activityViewController = UIActivityViewController(
activityItems: [firstActivityItem, secondActivityItem, image], applicationActivities: nil)
self.presentViewController(activityViewController, animated: true, completion: nil)
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在CustomProvider课堂上,我只设置了 Facebook、Twitter 和 Mail,但如果您愿意,可以设置更多,这取决于您。
我希望这可以帮助你。
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