app_delegate.rb

app_delegate.rb

  def on_load(application, options)
    # ...
    appearance_defaults
    # ...
  end
  
  def appearance_defaults
    UIApplication.sharedApplication.setStatusBarHidden true, animated:false
    UITabBar.appearance.tintColor = "#123456".to_color
    UITabBar.appearance.selectionIndicatorImage = UIImage.imageNamed("someimage.png")
    UINavigationBar.appearance.tintColor = "#123456".to_color
    UISearchBar.appearance.tintColor = "#123456".to_color
    UIToolbar.appearance.tintColor = "123456".to_color
  end