onIconClicked function Callback called when the icon is selected.

pop() Transition back and unmount the current scene.

placeholder string The string that will be rendered before text input has been entered

setOffset(offset) Sets an offset that is applied on top of whatever value is set, whether via setValue, an animation, or Animated.event. Useful for compensating things like the start of a pan gesture.

Types: CallExpression

onNavigationStateChange function

static saveImageWithTag(tag) Saves the image to the camera roll / gallery. On Android, the tag is a local URI, such as "file:///sdcard/img.png". On iOS, the tag can be one of the following: local URI assets-library tag a tag not matching any of the above, which means the image data will be stored in memory (and consume memory as long as the process is alive) Returns a Promise which when resolved will be passed the new URI.

subtitleColor color Sets the toolbar subtitle color.

static removeEventListener(eventName, handler)

onShow function