UIAlertView (ProgressHUD)

////  UIAlertView+ProgressHUD.h//  WPUIKit////  Created by Peng Leon on 12/11/26.//  Copyright (c) 2012年 __MyCompanyName__. All rights reserved.//#import <UIKit/UIKit.h>@interface UIAlertView (ProgressHUD)@property(retain, nonatomic) UIActivityIndicatorView *actView;- (id)initProgressHUDWithTitle:(NSString *)title;- (void)dismiss;@end

////  UIAlertView+ProgressHUD.m//  WPUIKit////  Created by Peng Leon on 12/11/26.//  Copyright (c) 2012年 __MyCompanyName__. All rights reserved.//#import "UIAlertView+ProgressHUD.h"#import <objc/runtime.h>NSString * const MyActivityIndicatorViewKey = @"kMyActivityIndicatorViewKey";@implementation UIAlertView (ProgressHUD)@dynamic actView;- (id)initProgressHUDWithTitle:(NSString *)title{        self = [self initWithTitle:title                        message:nil                       delegate:nil              cancelButtonTitle:nil              otherButtonTitles:nil, nil];        if (self) {        [self performSelector:@selector(addActivityIndicatorViewInAlertView)];    }    return self;}- (void)setActView:(UIActivityIndicatorView *)actView{    objc_setAssociatedObject(self, &MyActivityIndicatorViewKey, actView, OBJC_ASSOCIATION_RETAIN_NONATOMIC);}- (UIActivityIndicatorView *)actView{    UIActivityIndicatorView *myView = objc_getAssociatedObject(self, &MyActivityIndicatorViewKey);    if (myView == nil) {        myView = [[[UIActivityIndicatorView alloc] initWithActivityIndicatorStyle:UIActivityIndicatorViewStyleWhiteLarge] autorelease];        [myView setFrame:CGRectMake(125., 50., 30., 30.)];        objc_setAssociatedObject(self, &MyActivityIndicatorViewKey, myView, OBJC_ASSOCIATION_RETAIN_NONATOMIC);    }    return myView;}- (void)addActivityIndicatorViewInAlertView{    CGRect viewFrame = [self bounds];    NSLog(@"view frame -> %@", NSStringFromCGRect(viewFrame));    [self addSubview:self.actView];    [self.actView startAnimating];}- (void)dismiss{    [self.actView stopAnimating];    self.actView = nil;    [self dismissWithClickedButtonIndex:-1 animated:YES];}@end

- (IBAction)doProgressHUD:(id)sender{    _progressHUD = [[UIAlertView alloc] initProgressHUDWithTitle:@"Load Data..."];    [_progressHUD show];        [self performSelector:@selector(dismissProgressHUD) withObject:nil afterDelay:3];}- (void)dismissProgressHUD{    NSLog(@"call dismissProgressHUD function.");    [_progressHUD dismiss];}