【IOS控件详解】之MBProgressHUD使用

MBProgressHUD是替代UIProgressHUD的一个小工具，使用方法也非常简单

下载地址是： http://github.com/matej/MBProgressHUD

#import <UIKit/UIKit.h> #import "MBProgressHUD.h"   @interface HudDemoViewController : UIViewController <MBProgressHUDDelegate> {     MBProgressHUD *HUD; }   - (IBAction) showWithLabel:(id)sender;   - (void) myTask;   @end

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@implementation HudDemoViewController   - (IBAction) showWithLabel:(id)sender {       // Should be initialized with the windows frame so the HUD disables all user input by covering the entire screen     HUD = [[MBProgressHUD alloc] initWithWindow:[UIApplication sharedApplication].keyWindow];       // Add HUD to screen     [self.view.window addSubview:HUD];       // Regisete for HUD callbacks so we can remove it from the window at the right time     HUD.delegate = self;       HUD.labelText = @"Loading";       // Show the HUD while the provided method executes in a new thread     [HUD showWhileExecuting:@selector(myTask) onTarget:self withObject:nil animated:YES];   }   - (void) myTask {     // Do something usefull in here instead of sleeping ...     sleep(3); }   - (void)hudWasHidden {     // Remove HUD from screen when the HUD was hidded     [HUD removeFromSuperview];     [HUD release]; }   @end 原文：http://www.cnblogs.com/GnagWang/archive/2011/09/29/2195710.html