无法分配类型 '(String?, Bool, [AnyObject]?, NSError?) -> 的值()' 到 [英] Cannot assign value of type '(String?, Bool, [AnyObject]?, NSError?) -> ()' to
问题描述
在我更新 Xcode 版本 8.0 (8A218a) swift 3 后,出现此错误
After I update Xcode Version 8.0 (8A218a) swift 3, I got this error
无法将类型 '(String?, Bool, [AnyObject]?, NSError?) -> ()' 的值分配给类型 'UIActivityViewControllerCompletionWithItemsHandler?'
Cannot assign value of type '(String?, Bool, [AnyObject]?, NSError?) -> ()' to type 'UIActivityViewControllerCompletionWithItemsHandler?'
activityview.completionWithItemsHandler = {(activityType: String?, completed:Bool, returnedItems:[AnyObject]?, error: NSError?) in
if !completed {
print("cancelled")
return
}else{
complele()
}
}
但我仍然收到错误消息.
But i still got the error message.
它在之前的 7.3.1 swift 2 版本中运行良好.
It works well in previous version 7.3.1 swift 2.
推荐答案
Use UIActivityType
而不是 String,
[Any]
而不是 [AnyObject]
和 Error
而不是 NSError
像这样.
Use UIActivityType
instead of String,
[Any]
instead of [AnyObject]
and Error
instead of NSError
like this.
activityview.completionWithItemsHandler = {(activityType: UIActivityType?, completed:Bool, returnedItems:[Any]?, error: Error?) in
if !completed {
print("cancelled")
return
}else{
complele()
}
}
查看 apple 文档了解更多详情.
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