placement property
Where this button is placed in GlassBottomBar and GlassTabBar.bottom.
Defaults to GlassExtraButtonPlacement.right, which preserves the original bottom-bar behavior. Set to GlassExtraButtonPlacement.left to place the action before the tab pill.
Has no effect in GlassSearchableBottomBar, where position controls placement relative to the search pill.
Implementation
final GlassExtraButtonPlacement placement;