IOS 带指示器的用户提示实例

作者：朱克锋

邮箱：[e-mail]

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

{

    [baseAlertdismissWithClickedButtonIndex:0animated:NO];

}

- (void) action: (UIBarButtonItem *) item

{

    baseAlert = [[[UIAlertViewalloc] initWithTitle:@"请稍后。。。" message:nildelegate:selfcancelButtonTitle:nilotherButtonTitles: nil]autorelease];

    [baseAlertshow];

//创建并添加一个活动指示器 

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

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

[aiv startAnimating];

[baseAlertaddSubview:aiv];

[aiv release];

// 3s后自动消失

[selfperformSelector:@selector(dismiss)withObject:nilafterDelay:3.0f];

}