HeaderFragment.player_progress_
visibility.HeaderFragment.reading_pager_
below header.HeaderFragment.player_button_
ui state to error.HeaderFragment.reading_pager_
PagerFragment
height.HeaderFragment.player_button_
ui state to skip.HeaderFragment.player_button_
ui state to pause.HeaderFragment.player_button_
ui state to play.HeaderFragment.player_button_
ui state to replay.Place.AppTrigger.enter
if the user is within;
Place.AppTrigger.exit
if the user is at least Constants.DISTANCE_PLACE_VISIBILITY
meters away;
Place.stop()
otherwise.
IEvent
implementation for UI related events.