MBProgressHUD的使用

// 初始化

1. MBProgressHUD *loadingView = [[[MBProgressHUD alloc]initWithView:self.view]autorelease];  

2. loadingView.labelText = @"正在加載...";  

3. [self.view addSubview:loadingView];  

4. [loadingView setMode:MBProgressHUDModeDeterminate];   //圓盤的扇形進度顯示  

5. loadingView.taskInProgress = YES;  

6. [loadingView show:YES];   //顯示  

   //下載過程當中進度

1. NSLog(@"size:%lld,total:%lld",size,total);  

2. downloadedBytes += size;  

3. CGFloat progressPercent = (CGFloat)downloadedBytes/total;  //計算進度  

4. loadingView.progress = progressPercent;  

  //下載完成後,隱藏

1. [loadingView hide:YES];