hmApp.registerGestureEvent(callback)

Register gesture listener events.

Some gesture events will have default behaviors, refer to the following table.

Gestures	Default Behavior
RIGHT	hmApp.goBack

If callback returns false, then hmApp.goBack() will be executed after the callback function finishes executing. If callback returns true, execution of hmApp.goBack() will be skipped

Type

(callback: (event: Event) => boolean) => void

Parameters

Callback

Description	Required	Type	Default
Gesture event callback function, return value false does not skip the default behavior, true skips the default behavior.	YES	(event: Event) => boolean	-

Event

Description
Support UP, DOWN, LEFT, RIGHT, refer to the code example for specific usage

Code example

//Registering a gesture listener Repeated registration of a JsApp will cause the last registered callback to fail.
hmApp.registerGestureEvent(function (event) {
  let msg = 'none'
  switch (event) {
    case hmApp.gesture.UP:
      msg = 'up'
      break
    case hmApp.gesture.DOWN:
      msg = 'down'
      break
    case hmApp.gesture.LEFT:
      msg = 'left'
      break
    case hmApp.gesture.RIGHT:
      msg = 'right'
      break
    default:
      break
  }
  console.log(`receive gesture event ${msg}`)

  //Not skipping default behavior
  return false
})