我可以在行动表模式中添加警报控制器的长按事件。
如果用户长时间需要在正常警报模式下显示更多弹出声。
let actionSheet = UIAlertController.init(title: "Favourites", message: nil, preferredStyle: .actionSheet)
if(favLocations.count != 0){
for i in 0...(favLocations.count - 1){
actionSheet.addAction(UIAlertAction.init(title: favLocations[i].villageName, style: UIAlertActionStyle.default, handler: { (action) in
self.tbLocation.text = self.favLocations[i].villageName
}))
}
}
actionSheet.addAction(UIAlertAction.init(title: "Choose Locations", style: UIAlertActionStyle.destructive, handler: { (action) in
self.showAllLocationAvailable()
}))
actionSheet.addAction(UIAlertAction.init(title: "Cancel", style: UIAlertActionStyle.cancel, handler: { (action) in
}))
self.present(actionSheet, animated: true, completion: nil)
我相信当前iOS SDK不可能。您可能需要实现自己的AlertController
或寻找一些开源库。