Flutter: Generate Dropdown List from List Data

Creating a dropdown list for selecting an item from a list. Create a dropdown button in flutter and dynamically add dropdown list items to it.

Flutter Dropdown List for Android

const List<String> currenciesList = [
  'AUD',
  'BRL',
  'CAD',
  'CNY',
  'EUR',
  'GBP',
  'HKD',
  'IDR',
  'ILS',
  'INR',
  'JPY',
  'MXN',
  'NOK',
  'NZD',
  'PLN',
  'RON',
  'RUB',
  'SEK',
  'SGD',
  'USD',
  'ZAR'
];

  String selectedCurrency = 'USD';

  DropdownButton<String> androidDropdown(){
    List<DropdownMenuItem<String>> dropdownItems = [];

    for( var item in currenciesList){
      String currency = item;
      var newItem = DropdownMenuItem(
        child: Text(currency),
        value: currency,
      );
      dropdownItems.add(newItem);
    };

    return  DropdownButton<String>(
        value: selectedCurrency,
        items: dropdownItems,
        onChanged: (value){
          setState(() {
            selectedCurrency = value;
          });
        });
  }

          Container(
            height: 150.0,
            alignment: Alignment.center,
            padding: EdgeInsets.only(bottom: 30.0),
            color: Colors.lightBlue,
            child:  androidDropdown(),
          ),