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Editorial Team
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Asked: 2026-06-03T23:41:45+00:00

UII need copy, self controller or self.view, i have tried: UIView* viewOfSelf =[self.view copy];

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UII need copy, self controller or self.view, i have tried:

UIView* viewOfSelf =[self.view copy];
UIViewController* controller = [self copy];

UIView* viewOfSelf =[self.view mutableCopy];
UIViewController* controller = [self mutableCopy];

The error is: 

    -[UIViewController mutableCopyWithZone:]: unrecognized selector sent to instance 0xb803490
    -[UIView copyWithZone:]: unrecognized selector sent to instance 0x6e0acb0
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1 Answer

  1. Editorial Team

    Use – 

    NSData *tempArchiveView = [NSKeyedArchiver archivedDataWithRootObject:self.view];
UIView *viewOfSelf = [NSKeyedUnarchiver unarchiveObjectWithData:tempArchiveView];

    Similarly –

    NSData *tempArchiveViewController = [NSKeyedArchiver archivedDataWithRootObject:self];
UIViewController *controller = [NSKeyedUnarchiver unarchiveObjectWithData:tempArchiveViewController];
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