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Simple and easy to use Dropdown in forms with search, keyboard navigation, offiline data source, remote data source and easy customization.

example/lib/main.dart

import 'package:dropdown_plus/dropdown_plus.dart';
import 'package:flutter/material.dart';

void main() {
  runApp(MyApp());
}

class MyApp extends StatelessWidget {
  @override
  Widget build(BuildContext context) {
    return MaterialApp(
      title: 'Dropdown Demo',
      theme: ThemeData(
        primarySwatch: Colors.blue,
      ),
      home: MyHomePage(),
    );
  }
}

class MyHomePage extends StatefulWidget {
  @override
  _MyHomePageState createState() => _MyHomePageState();
}

class _MyHomePageState extends State<MyHomePage> {
  final List<Map<String, dynamic>> _roles = [
    {"name": "Super Admin", "desc": "Having full access rights", "role": 1},
    {
      "name": "Admin",
      "desc": "Having full access rights of a Organization",
      "role": 2
    },
    {
      "name": "Manager",
      "desc": "Having Magenent access rights of a Organization",
      "role": 3
    },
    {
      "name": "Technician",
      "desc": "Having Technician Support access rights",
      "role": 4
    },
    {
      "name": "Customer Support",
      "desc": "Having Customer Support access rights",
      "role": 5
    },
    {"name": "User", "desc": "Having End User access rights", "role": 6},
  ];

  @override
  Widget build(BuildContext context) {
    return Scaffold(
      appBar: AppBar(
        title: Text('Dropdown Plus Demo'),
      ),
      body: Container(
        padding: EdgeInsets.all(16),
        child: Column(
          children: [
            TextDropdownFormField(
              options: ["Male", "Female"],
              decoration: InputDecoration(
                  border: OutlineInputBorder(),
                  suffixIcon: Icon(Icons.arrow_drop_down),
                  labelText: "Gender"),
              dropdownHeight: 120,
            ),
            SizedBox(
              height: 16,
            ),
            DropdownFormField<Map<String, dynamic>>(
              onEmptyActionPressed: () async {},
              decoration: InputDecoration(
                  border: OutlineInputBorder(),
                  suffixIcon: Icon(Icons.arrow_drop_down),
                  labelText: "Access"),
              onSaved: (dynamic str) {},
              onChanged: (dynamic str) {},
              validator: (dynamic str) {},
              displayItemFn: (dynamic item) => Text(
                (item ?? {})['name'] ?? '',
                style: TextStyle(fontSize: 16),
              ),
              findFn: (dynamic str) async => _roles,
              selectedFn: (dynamic item1, dynamic item2) {
                if (item1 != null && item2 != null) {
                  return item1['name'] == item2['name'];
                }
                return false;
              },
              filterFn: (dynamic item, str) =>
                  item['name'].toLowerCase().indexOf(str.toLowerCase()) >= 0,
              dropdownItemFn: (dynamic item, int position, bool focused,
                      bool selected, Function() onTap) =>
                  ListTile(
                title: Text(item['name']),
                subtitle: Text(
                  item['desc'] ?? '',
                ),
                tileColor:
                    focused ? Color.fromARGB(20, 0, 0, 0) : Colors.transparent,
                onTap: onTap,
              ),
            ),
          ],
        ),
      ),
    );
  }
}
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verified publishercrawlink.com

Simple and easy to use Dropdown in forms with search, keyboard navigation, offiline data source, remote data source and easy customization.

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License

MIT (LICENSE)

Dependencies

flutter

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