setIcon method
Sets the app icon to the specified icon name.
iconName - The name of the icon to set. Pass null to reset to default.
Returns a map containing:
success(bool)iconName(String?) for successful updateserror(String?) orerrorMessage(String?) for failed updates
Implementation
Future<Map<String, dynamic>> setIcon(String? iconName) {
throw UnimplementedError('setIcon() has not been implemented.');
}