Shafujiu

9.3.5 崩溃

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iOS 9.3.5 应该是UINavigationBar的层级结构不一样造成了崩溃 ``` // 设置导航栏背景透明度 - (void)setNeedsNavigationBackground:(CGFloat)alpha { // 导航栏背景透明度设置 UIView *barBackgroundView = [[self.navigationBar subviews] objectAtIndex:0];// _UIBarBackground UIImageView *backgroundImageView = [[barBackgroundView subviews] objectAtIndex:0];// UIImageView if (self.navigationBar.isTranslucent) { if (backgroundImageView...