[[UIBarButtonItem appearance] setTintColor:[UIColor whiteColor]];
[[UINavigationBar appearance] setTitleTextAttributes:@{NSFontAttributeName:[UIFont boldSystemFontOfSize:18]}];
[[UINavigationBar appearance] setBackgroundImage:[self createImageWithColor:[UIColor colorWithRed:236.0/255.0 green:66.0/255.0 blue:67.0/255.0 alpha:1.0]] forBarMetrics:UIBarMetricsDefault];
-(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;
}
