iphone - Not to update the subview with superview alpha value -


my question when added view subview root view.when changed alpha value of root view same occurring in subview also.actually don't need updating in subview.is there solution that.

this change alpha of root view, not others

    self.view.backgroundcolor = [uicolor colorwithred:0.0 green:0.0 blue:0.0 alpha:0.5];

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