IOS 带指示器的用户提示实例

作者：朱克锋

邮箱：[email protected]

转载请注明出处：http://blog.csdn.net/linux_zkf

实例截图

@interface TestViewController : UIViewController <UIAlertViewDelegate>

{

UIAlertView *baseAlert;

}

@end

@implementation TestViewController

- (void) dismiss

{

    [baseAlert dismissWithClickedButtonIndex:0 animated:NO];

}

- (void) action: (UIBarButtonItem *) item

{

    baseAlert = [[[UIAlertView alloc] initWithTitle:@"请稍后。。。" message:nil delegate:self cancelButtonTitle:nil otherButtonTitles: nil] autorelease];

    [baseAlert show];

//创建并添加一个活动指示器 

UIActivityIndicatorView *aiv = [[UIActivityIndicatorView alloc] initWithActivityIndicatorStyle:UIActivityIndicatorViewStyleWhiteLarge];

aiv.center = CGPointMake(baseAlert.bounds.size.width / 2.0f, baseAlert.bounds.size.height - 40.0f);

[aiv startAnimating];

[baseAlert addSubview:aiv];

[aiv release];

// 3s后自动消失

[self performSelector:@selector(dismiss) withObject:nil afterDelay:3.0f];

}