objective c - Open a specific view controller in the storyboard when notification is tapped in ios -

i have app needs open specific view controller when notification tapped. here's have tried:

in case, if use app crashes when tap notification.

if([[[userinfo objectforkey:@"aps"]objectforkey:@"alert"] isequaltostring:@"you've got mail!"]) {     mtnotificationviewcontroller *profile = [[mtnotificationviewcontroller alloc] initwithnibname:@"mtnotificationviewcontroller" bundle:nil];     [self.window.rootviewcontroller presentviewcontroller: profile animated:yes completion:nil]; } 

if use app doesn't redirect view controller want load. tried putting code in if statement check if app uiapplicationstateinactive , uiapplicationstatebackground still same result.

if([[[userinfo objectforkey:@"aps"]objectforkey:@"alert"] isequaltostring:@"you've got mail!"]) {     mtnotificationviewcontroller *profile = [[mtnotificationviewcontroller alloc] initwithnibname:@"mtnotificationviewcontroller" bundle:nil];     [navigation.visibleviewcontroller.navigationcontroller pushviewcontroller:profile animated:yes]; } 

can please me. thanks!