underlayColor color The color of the underlay that will show through when the touch is active.

style View#style

onShowUnderlay function Called immediately after the underlay is shown

onHideUnderlay function Called immediately after the underlay is hidden

activeOpacity number Determines what the opacity of the wrapped view should be when touch is active.

titleColor color Sets the toolbar title color.

title string Sets the toolbar title.

testID string Used to locate this view in end-to-end tests.

subtitleColor color Sets the toolbar subtitle color.

subtitle string Sets the toolbar subtitle.