on
Invoked when the user toggles units via toggleUnits (legend tap). The map host should set this to com.xweather.mapsgl.map.MapController.units so data-query *-text labels reformat with the same system.
Invoked when the user toggles units via toggleUnits (legend tap). The map host should set this to com.xweather.mapsgl.map.MapController.units so data-query *-text labels reformat with the same system.