iOS：UIAlertView3秒后消失，iosuialertview3

iOS：UIAlertView3秒后消失，iosuialertview3

一，效果图。

二，代码。

- (void)viewDidLoad {

[super viewDidLoad];

// Do any additional setup after loading the view, typically from a nib.

UIAlertView* alert = [[UIAlertView alloc]initWithTitle:nil message:@"此信息3秒后消失" delegate:nil cancelButtonTitle:nil otherButtonTitles:nil, nil];

[alert show];

[self performSelector:@selector(dismissAlert:) withObject:alert afterDelay:3.0];

}

- (void)dismissAlert:(UIAlertView*)alert {

if ( alert.visible ) {

[alert dismissWithClickedButtonIndex:alert.cancelButtonIndex animated:YES];

}

}