dart enum string

enum Status { 
   none, 
   running, 
   stopped, 
   paused 
}  
void main() { 
   print(Status.values); 
   Status.values.forEach((v) => print('value: $v, index: ${v.index}'));
   print('running: ${Status.running}, ${Status.running.index}'); 
   print('running index: ${Status.values[1]}'); 
}

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Thefoxrocks 125 points

                                    Fruit f = Fruit.values.firstWhere((e) =&gt; e.toString() == 'Fruit.' + str);

Thank you! 3

4 (3 Votes)

Dominik R 80 points

                                    enum Enum {
	enum1, enum2, enum3,
}


/// This calss does the job of converting from/to String for enum.
/// 
/// The alternative is to use built_value enum which kinda generates it
/// automatically. 
class EnumFactory {
  static final Map&lt;String, Enum&gt; _stringMap = {
    'enum1': Enum.enum1,
    'enum2': Enum.enum2,
    'enum3': Enum.enum3,
  };

  static Enum fromString(String string) {
    return _stringMap[string];
  }

  static String itemToString(Enum item) {
    return _stringMap.keys
        .firstWhere((key) =&gt; _stringMap[key] == item, orElse: () =&gt; null);
  }
}

Thank you! 10

4 (10 Votes)

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