ios - Presenting transparent view controller over another -

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i trying present view controller on one, upper transparent , , bottom have blur effect.

what happened see black background in presented view, although clear colour.

i have read here, , did same : display clearcolor uiviewcontroller on uiviewcontroller

//to present      pillview *pillv=[[pillview alloc]initwithpill:pill withnum:num];      pillv.delegate=self;       uivisualeffect *blureffect;     blureffect = [uiblureffect effectwithstyle:uiblureffectstylelight];      uivisualeffectview *visualeffectview;     visualeffectview = [[uivisualeffectview alloc] initwitheffect:blureffect];     visualeffectview.frame=cgrectmake(0, 0, self.view.frame.size.width, [globals sharedglobals].titleheight*self.view.frame.size.height);     [self.view addsubview:visualeffectview];        self.modalpresentationstyle = uimodalpresentationcurrentcontext;     [self presentviewcontroller:pillv animated:no completion:nil];

you need add uivisualeffectview presented view controller, , not 1 doing presentation.

pillview *pillv=[[pillview alloc]initwithpill:pill withnum:num];      pillv.delegate=self;   uivisualeffect *blureffect = [uiblureffect effectwithstyle:uiblureffectstylelight];  uivisualeffectview *visualeffectview = [[uivisualeffectview alloc] initwitheffect:blureffect]; visualeffectview.frame= pillv.view.bounds; pillv.view.backgroundcolor = [uicolor clearcolor]; [pillv.view insertsubview:visualeffectview atindex:0];  self.modalpresentationstyle = uimodalpresentationovercurrentcontext; [self presentviewcontroller:pillv animated:no completion:nil];

and because op seems thinking solution not working, here sample project show this:

https://dl.dropboxusercontent.com/u/29456419/blurtest.zip

and here pictures of view (presenting) , overlayview:

presenting viewcontrolleroverlay viewcontroller


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