badge string, number Little red bubble that sits at the top right of the icon.

unselectedTintColor color Color of text on unselected tabs

translucent bool A Boolean value that indicates whether the tab bar is translucent

tintColor color Color of the currently selected tab icon

style View#style

itemPositioning enum('fill', 'center', 'auto') Specifies tab bar item positioning. Available values are: - fill - distributes items across the entire width of the tab bar - center - centers item in the available tab bar space - auto (default) - distributes items dynamically according to the user interface idiom. In a horizontally compact environment (e.g. iPhone 5) this value defaults to fill, in a horizontally regular one (e.g. iPad) it defaults to center.

barTintColor color Background color of the tab bar

value bool The value of the switch. If true the switch will be turned on. Default value is false.

iostintColor color Background color when the switch is turned off.

iosthumbTintColor color Color of the foreground switch grip.