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#import "MBProgressHUDManager.h" @property (nonatomic, strong) MBProgressHUDManager *HUDManager; - (void)viewDidLoad { [super viewDidLoad]; self.HUDManager = [[MBProgressHUDManager alloc] initWithView:self.navigationController.view]; [self.HUDManager showIndeterminateWithMessage:@"With a block" duration:2 complection:^{ }]; }