我通过这种方式在iPhone上呈现事件Controller:letshareText=track.nameletshareUrl=NSURL(string:"https://api.test.com/"letshareVC=UIActivityViewController(activityItems:[shareText,shareUrl],applicationActivities:nil)self.presentViewController(shareVC,animated:true,completion:nil)我有UITabbarC->UINavigationC->UIView