使用UIAlertControllerStyleActionSheet IPAD崩溃 swift

qq_25592881

于 2017-02-24 17:04:49 发布

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分类专栏： Swift

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 let alert = UIAlertController(title:nil, message: nil, preferredStyle: .ActionSheet)
        let action = UIAlertAction(title:"保存到相册".localized(), style: .Default) { (action)in
            self.loadImageFinshed(self.codeImageView.image!)
        }
        let action1 = UIAlertAction(title:"识别图中二维码".localized(), style: .Default) { (action)in
            self.code(self.codeImageView.image!)
        }
        let action2 = UIAlertAction(title:"取消".localized(), style: .Cancel, handler:nil)
        alert.addAction(action)
        alert.addAction(action1)
        alert.addAction(action2)
//适配ipad需要加这两句
        alert.popoverPresentationController?.sourceView =self.view
        alert.popoverPresentationController?.sourceRect = CGRect(origin:self.view.center, size: CGSize(width:1, height: 1))
        self.presentViewController(alert, animated:true, completion: nil)