question: retrieve the to address line from the parsed mailto url . this could be several email address that are comma-space delimited . if no to line was specified , then null is return concode_field_sep String TO concode_elem_sep String MAILTO_SCHEME concode_elem_sep String BODY concode_elem_sep String SUBJECT concode_elem_sep HashMap<String,String> mHeaders concode_elem_sep String CC concode_field_sep String getSubject concode_elem_sep Map<String,String> getHeaders concode_elem_sep String getBody concode_elem_sep boolean isMailTo concode_elem_sep String toString concode_elem_sep MailTo parse concode_elem_sep String getCc
target: String function ( ) { return mHeaders . get ( TO ) ; }