SOLID:
Display the toolbar with a background color or with transparency. Using a semi-transparent background color is deprecated and is only supported in portrait orientation. Use a fully opaque background color instead.
GRADIENT:
Display the toolbar with a gradient background color or a gradient with transparency. The buttons will still be visible.
The visual mode used for the toolbar.
SOLID: Display the toolbar with a background color or with transparency. Using a semi-transparent background color is deprecated and is only supported in portrait orientation. Use a fully opaque background color instead.GRADIENT: Display the toolbar with a gradient background color or a gradient with transparency. The buttons will still be visible.HIDDEN: Hide the toolbar completely.