iphone - Xamarin: PresentModalView new View is not visible -


i trying navigate(presentmodalview) 1 screen in xamarin(mvvmcross framework_v2), navigation happening(can see navigation bar changing) screen not visible(previous screen visible). possible reason that. ideas?

adding code: in mainmenu 

 private void actionfavouritepressed()    {     viewmodel.showinfocommand.execute ();  }

in mainmenuviewmodal

    public mvxrelaycommand showinfocommand     {                 {             return new mvxrelaycommand(() =>             {                 this.requestnavigate<infoviewmodel>();             });         }     }


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