当我尝试在同时显示键盘的同时显示MBProgressHUD时，我使用了下面的代码，但HUD对象无法覆盖键盘:SNSSharerAppDelegate*delegate=[[UIApplicationsharedApplication]delegate];HUD=[[MBProgressHUDshowHUDAddedTo:delegate.windowanimated:YES]retain];HUD.mode=MBProgressHUDModeIndeterminate;HUD.labelText=@"Posting...";[HUDshow:YES];我以为HUD对象显示在委托(del

当我尝试在同时显示键盘的同时显示MBProgressHUD时，我使用了下面的代码，但HUD对象无法覆盖键盘:SNSSharerAppDelegate*delegate=[[UIApplicationsharedApplication]delegate];HUD=[[MBProgressHUDshowHUDAddedTo:delegate.windowanimated:YES]retain];HUD.mode=MBProgressHUDModeIndeterminate;HUD.labelText=@"Posting...";[HUDshow:YES];我以为HUD对象显示在委托(del