加UIAlertView的网络提示分类

UIAlertView+Loading.h

//
//  UIAlertView+Loading.h
//
//  Created by manjun.han on 13-3-21.
//  Copyright (c) 2013年 mj. All rights reserved.
//

#import <UIKit/UIKit.h>

@interface UIAlertView (Loading)

+ (UIAlertView*)showWaitIndicator:(NSString *)title ;

+ (UIAlertView*)showAlert:(NSString *)title message:(NSString *)message ;

@end

UIAlertView+Loading.m

//
//  UIAlertView+Loading.m
//
//  Created by manjun.han on 13-3-21.
//  Copyright (c) 2013年 mj. All rights reserved.
//

#import "UIAlertView+Loading.h"

@implementation UIAlertView (Loading)

// 显示加载进度提示
+ (UIAlertView*)showWaitIndicator:(NSString *)title
{
    UIAlertView *progressAlert;
    
    progressAlert = [[UIAlertView alloc] initWithTitle:title
                                               message:@"Please wait..."
                                              delegate:nil
                                     cancelButtonTitle:nil
                                     otherButtonTitles:nil];
    [progressAlert show];
    
    UIActivityIndicatorView *activityView;
    
    activityView = [[UIActivityIndicatorView alloc] initWithActivityIndicatorStyle:UIActivityIndicatorViewStyleWhite];
    
    CGFloat x = progressAlert.bounds.size.width/2.0 ;
    
    CGFloat y = progressAlert.bounds.size.height - 45 ;
    
    activityView.center = CGPointMake(x, y) ;
    
    [progressAlert addSubview:activityView];
    
    [activityView startAnimating];
    
    return progressAlert;
}

// 显示提示信息快捷方法
+ (UIAlertView*)showAlert:(NSString *)title message:(NSString *)message
{
    UIAlertView *alert = [[UIAlertView alloc] initWithTitle: title                        
                                                    message: message
                                                   delegate: nil
                                          cancelButtonTitle: @"OK"
                                          otherButtonTitles: nil];
    [alert show];
    
    return alert ;
}

@end