iphone-common-codes-ccteam源代码 CCUIAlertActivityView.m-优快云博客

本文介绍了一个自定义的UIAlertView加载动画视图组件，通过继承UIAlertView并加入UIActivityIndicatorView来实现加载效果。该组件支持定时消失功能，并提供了显示和隐藏的方法。

//  
//  CCUIAlertActivityView.m  
//  CCFC  
//  
//  Created by xichen on 11-12-28.  
//  Copyright 2011 ccteam. All rights reserved.  
//
  

#import "CCUIAlertActivityView.h"  
#import "CCNSNumber.h"  
#import "CCUIView.h"  
#import "CCCommon.h"  
#import "CCLog.h"  


@implementation CCUIAlertActivityView  


@synthesize disappearTime = _disappearTime;  


- (id)initWithTitle:(NSString *)title  
{  
        self = [super init];  
if(self)  
        {  
                _alertView = [[UIAlertView alloc] initWithTitle:title  
                                                                                                message:nil  
delegate:self  
                                                                          cancelButtonTitle:nil  
                                                                          otherButtonTitles:nil];  


                _activityView = [[UIActivityIndicatorView alloc]   
                                                 initWithActivityIndicatorStyle:UIActivityIndicatorViewStyleWhite];  
                _activityView.frame = CGRectMake(0, 0, 20, 20);  
                [_alertView addSubview:_activityView];  
                [_activityView release];  
        }  
return self;  
}  


- (void)dealloc  
{  
        [super dealloc];  
}  


- (void)onDisappear:(id)timer PRIVATE_FLAG  
{  
        [_activityView stopAnimating];  
        [_alertView dismissWithClickedButtonIndex:0 animated:YES];  
}  


- (void)show  
{  
        [_alertView show];  


        [_activityView setCenterOf:_alertView];  
        [_activityView startAnimating];  
        [_alertView release];  
if(!FLOAT_EQUAL_TO_ZERO(_disappearTime))  
        {  
                [NSTimer scheduledTimerWithTimeInterval:_disappearTime  
                                                                                 target:self  
                                                                           selector:@selector(onDisappear:)  
                                                                           userInfo:nil  
                                                                                repeats:NO];  
        }  
}  


- (void)hide  
{  
        [_alertView dismissWithClickedButtonIndex:0 animated:YES];  
}  


@end