swift - How can I switch views programmatically in a view controller? (Xcode, iPhone) -

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have been struggling while, , can never seem direct answer.

any appreciated!

if you're in navigation controller:

viewcontroller *viewcontroller = [[viewcontroller alloc] init]; [self.navigationcontroller pushviewcontroller:viewcontroller animated:yes];

or if want present new view:

viewcontroller *viewcontroller = [[viewcontroller alloc] init];     [self presentviewcontroller:viewcontroller animated:yes completion:nil];

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