[self.navigationController setNavigationBarHidden:NO animated:animated];
[self.navigationController.navigationBar setBackgroundImage:[UIImage createImageWithColor:[UIColor colorWithHexString:@"#F6F7F9"]] forBarMetrics:UIBarMetricsDefault];
if (@available(iOS 13.0, *)) {
UINavigationBarAppearance *appearance = [[UINavigationBarAppearance alloc] init];
appearance.backgroundColor = [UIColor colorWithHexString:@"#F6F7F9"]; //背景色
appearance.shadowColor = UIColor.clearColor; //阴影
self.navigationController.navigationBar.standardAppearance = appearance;
self.navigationController.navigationBar.scrollEdgeAppearance = appearance;
}
- (UIImage )createImageWithColor:(UIColor)color {
CGRect rect = CGRectMake(0.0f, 0.0f, 1.0f, 1.0f);
UIGraphicsBeginImageContext(rect.size);
CGContextRef context = UIGraphicsGetCurrentContext();
CGContextSetFillColorWithColor(context, [color CGColor]);
CGContextFillRect(context, rect);
UIImage *theImage = UIGraphicsGetImageFromCurrentImageContext();
UIGraphicsEndImageContext();
return theImage;
}
