1.创建
MBProgressHUD *_hud;
2.显示
//显示进度条 -(void)createProgressView { _numProgress = 0; _hud = [MBProgressHUD showHUDAddedTo:self.view animated:YES]; _hud.labelText = @"努力加载中..."; _hud.mode = MBProgressHUDModeIndeterminate; }
3.隐藏
[_hud hide:YES];
原文：http://www.cnblogs.com/liaods/p/4805438.html