iphone - Can I increase the animation speed of presentModalViewController? -

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I am writing a drawing application that shows toolview controller when clicking an item in the toolbar. However, many of my beta testers have reported that the tool palate opens slowly and I am using standard current model view controller: animated: call to display the tools, and I want to wrap it in the code block Have tried: 

  [UIView startAnimations: zero reference: zero]; [UIView Set Animation Duration: 0.1]; [Self current model view controller: animated settings: yes]; [UIView commitAnimations]; Unfortunately, that does not work if you say animated: No, it works better, but the underlying drawing canvas scene is removed immediately (because the controller thinks that this Is not visible anymore), and therefore the animation happens on a white background. 
 
 Before it will be ready to give some advice? I appreciate it!

A similar question is asked.

You can also change the speed using this technique, but in my experiment, it is more than an empty background, as you've suggested


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