static getItem(key, callback?) Fetches key and passes the result to callback, along with an Error if there is any. Returns a Promise object.

removeEventListener(type, handler) Remove a handler by passing the url event type and the handler

minimumTrackTintColor string The color used for the track to the left of the button. Overrides the default blue gradient image.

zoomEnabled bool If false the user won't be able to pinch/zoom the map. Default value is true.

scrollEnabled bool When false, the content does not scroll. The default value is true.

maximumValue number Initial maximum value of the slider. Default value is 1.

paddingVertical number

static addEventListener(eventName, handler) Invokes the listener whenever network status changes. The listener receives one of the connectivity types listed above.

static alert(title, message?, callbackOrButtons?, type?) Creates a popup to alert the user. See Alert. title: string -- The dialog's title. message: string -- An optional message that appears above the text input. callbackOrButtons -- This optional argument should be either a single-argument function or an array of buttons. If passed a function, it will be called when the user taps 'OK'. If passed an array of button configurations, each button should include a text key, as well as optional

onDrawerOpen function Function called whenever the navigation view has been opened.