mono touch 隐藏键盘

/// <summary>/// 隐藏键盘/// </summary>public override void TouchesBegan (NSSet touches, UIEvent evt){base.TouchesBegan (touches, evt);UITouch touch = touches.AnyObject as UITouch;if (touch != null) {utxt.ResignFirstResponder ();}}

utxt是个输入框对象，逻辑判断可以具体一些