Thread 1: "Access to _UIBarBackground's _backgroundEffectView ivar is prohibited. This is an application bug"

[mrbluesky888]

Thread 1: "Access to _UIBarBackground's _backgroundEffectView ivar is prohibited. This is an application bug"

• (UIView *)jz_backgroundView { if (@available(iOS 10, *)) { return [self valueForKeyPath:@"_backgroundView._backgroundEffectView"]; } return [self valueForKeyPath:@"_backgroundView"]; }

[CCBrother]

我也遇到了。13以上需要适配

• (UIView *)jz_backgroundView { if (@available(iOS 13, *)) { return self.subviews.firstObject; } return [self valueForKeyPath:@"_backgroundView"]; }