MapSettings.fromJson constructor
Implementation
MapSettings.fromJson(Map<String, dynamic> json)
: this.markerIcon = ifNullReturnEmpty(json['marker_icon']),
this.feedbackIcon = ifNullReturnEmpty(json['feedback_icon']),
this.showFeedback = json['show_feedback'] == true,
this.locationSource = ifNullReturnEmpty(json['location_source']);