launchMaps method
=================== Harita ===================
Implementation
Future<bool> launchMaps() async {
if (this == null || this!.isEmpty) return false;
final value = this!.trim();
final uriString = value.contains(',')
? 'https://www.google.com/maps/search/?api=1&query=$value'
: 'https://www.google.com/maps/search/?api=1&query=${Uri.encodeComponent(value)}';
return _safeLaunch(uriString, mode: LaunchMode.externalApplication);
}