- (void)dismissWithClickedButtonIndex:(NSInteger)buttonIndex animated:(BOOL)animated{
if (0 == [alerts cancelButtonIndex]) {
    NSLog(@"YES");
} else if (1 == [alerts cancelButtonIndex]) {
    NSLog(@"NO");
}

alerts = [[UIAlertView alloc] initWithTitle:@"Trumpets" message:@"Are you sure you would like to use one trumpet, this will give you 10 random units" delegate:self cancelButtonTitle:@"No" otherButtonTitles:@"Yes", nil];
    [alerts show];

最佳答案

您错过了结尾括号:

- (void)dismissWithClickedButtonIndex:(NSInteger)buttonIndex animated:(BOOL)animated{
    if ([alerts cancelButtonIndex] == 0) {
        NSLog(@"YES");
    } else if ([alerts cancelButtonIndex] == 1) {
        NSLog(@"NO");
    }
}

关于objective-c - UIAlertView dismissWithClickedButtonIndex :animated: method error，我们在Stack Overflow上找到一个类似的问题： https://stackoverflow.com/questions/8001833/