ios8 - 对同一个应用使用 UIAlertView 和 UIAlertController

Question

我想显示警报。但是由于 iOS 8 不推荐使用 uialertView，我该怎么做才能显示两种操作系统的警报？

Answer 1

试试这个代码片段在 iOS8 中显示警报视图。这肯定会奏效。


- (IBAction)btn1Clicked:(UIButton *)sender {

// 警报样式
UIAlertController *alert = [UIAlertController alertControllerWithTitle:@"ALERT!" 留言：@“你会怎么做？” 首选样式：UIAlertControllerStyleAlert ];

__weak ViewController *wself = self;

// Make choices for the user using alert actions.
**UIAlertAction** *doSomethingAction = [UIAlertAction actionWithTitle:@"I'm doing something" style:UIAlertActionStyleCancel handler:^(UIAlertAction *action) {
    __strong ViewController *sself = wself;
    sself.alertResponseLabel.text = @"You did something!";
}];

 UIAlertAction *doNothingAction = [UIAlertAction actionWithTitle:@"I'm totally ignoring this" style:UIAlertActionStyleDefault handler:^(UIAlertAction *action) {
    __strong ViewController *sself = wself;
    sself.alertResponseLabel.text = @"OK, just ignore me...";
}];

// Add actions to the controller so they will appear
[**alert addAction:doSomethingAction];
[alert addAction:doNothingAction];**
 alert.view.tintColor = [UIColor blackColor];
**[self presentViewController:alert animated:YES completion:nil];**  }