add
Adds a custom marker to the map based on the options provided.
Please note, the map will manage all markers added. Calling clearMarkers will clear all destination / custom markers that have been added to the map.
Return
the com.mapbox.mapboxsdk.plugins.annotation.Symbol that added to the map or null if adding fails
Parameters
options
for the custom com.mapbox.mapboxsdk.plugins.annotation.Symbol