如何在UIAlertController中添加按钮在IOS 9中 [英] how to add button in UIAlertController In IOS 9
本文介绍了如何在UIAlertController中添加按钮在IOS 9中的处理方法,对大家解决问题具有一定的参考价值,需要的朋友们下面随着小编来一起学习吧!
问题描述
我们如何在iOS 9中使用 UIAlertView
以及如何在 UIAlertController中添加按钮
how we use UIAlertView
in iOS 9 and how to add button in UIAlertController
UIAlertController * alert=[UIAlertController
alertControllerWithTitle:@"Title" message:@"Message"preferredStyle:UIAlertControllerStyleAlert];
UIAlertAction* yesButton = [UIAlertAction
actionWithTitle:@"Yes, please"
style:UIAlertActionStyleDefault
handler:^(UIAlertAction * action)
{
**//What we write here????????**
}];
UIAlertAction* noButton = [UIAlertAction
actionWithTitle:@"No, thanks"
style:UIAlertActionStyleDefault
handler:^(UIAlertAction * action)
{
**//What we write here????????**
}];
[alert addAction:yesButton];
[alert addAction:noButton];
[self presentViewController:alert animated:YES completion:nil];
推荐答案
UIAlertController * alert=[UIAlertController alertControllerWithTitle:@"Title"
message:@"Message"
preferredStyle:UIAlertControllerStyleAlert];
UIAlertAction* yesButton = [UIAlertAction actionWithTitle:@"Yes, please"
style:UIAlertActionStyleDefault
handler:^(UIAlertAction * action)
{
/** What we write here???????? **/
NSLog(@"you pressed Yes, please button");
// call method whatever u need
}];
UIAlertAction* noButton = [UIAlertAction actionWithTitle:@"No, thanks"
style:UIAlertActionStyleDefault
handler:^(UIAlertAction * action)
{
/** What we write here???????? **/
NSLog(@"you pressed No, thanks button");
// call method whatever u need
}];
[alert addAction:yesButton];
[alert addAction:noButton];
[self presentViewController:alert animated:YES completion:nil];
swift
let alert = UIAlertController(title: "Title", message: "Message", preferredStyle: .alert)
let yesButton = UIAlertAction(title: "Yes, please", style: .default, handler: {(_ action: UIAlertAction) -> Void in
/** What we write here???????? **/
print("you pressed Yes, please button")
// call method whatever u need
})
let noButton = UIAlertAction(title: "No, thanks", style: .default, handler: {(_ action: UIAlertAction) -> Void in
/** What we write here???????? **/
print("you pressed No, thanks button")
// call method whatever u need
})
alert.addAction(yesButton)
alert.addAction(noButton)
present(alert, animated: true) { _ in }
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