autoresizingMask

_backgroundImageView = [[UIImageView alloc] init]; self.backgroundImageView.contentMode = UIViewContentModeScaleAspectFit; self.backgroundImageView.hidden = !self.backgroundImageViewShowEnabled; self.backgroundImageView.bounds = CGRectMake(0, 0, self.backgroundImageViewSize.width, self.backgroundImageViewSize.height); [self.backgroundContainerView addSubview:self.backgroundImageView]; UIViewAutoresizing mask = UIViewAutoresizingFlexibleTopMargin | UIViewAutoresizingFlexibleLeftMargin | UIViewAutoresizingFlexibleBottomMargin | UIViewAutoresizingFlexibleRightMargin; self.backgroundImageView.autoresizingMask = mask;