custom_searchable_dropdown 3.2.2

A new Flutter package.

example/lib/main.dart

import 'dart:convert';

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

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

class MyApp extends StatelessWidget {
  const MyApp({super.key});

  // This widget is the root of your application.
  @override
  Widget build(BuildContext context) {
    return MaterialApp(
      title: 'Flutter Demo',
      theme: ThemeData(
        // This is the theme of your application.
        //
        // Try running your application with "flutter run". You'll see the
        // application has a blue toolbar. Then, without quitting the app, try
        // changing the primarySwatch below to Colors.green and then invoke
        // "hot reload" (press "r" in the console where you ran "flutter run",
        // or simply save your changes to "hot reload" in a Flutter IDE).
        // Notice that the counter didn't reset back to zero; the application
        // is not restarted.
        primarySwatch: Colors.blue,
        // This makes the visual density adapt to the platform that you run
        // the app on. For desktop platforms, the controls will be smaller and
        // closer together (more dense) than on mobile platforms.
        visualDensity: VisualDensity.adaptivePlatformDensity,
      ),
      home: const MyHomePage(
        title: 'Custom Searchable DropDown Demo',
      ),
    );
  }
}

class MyHomePage extends StatefulWidget {
  const MyHomePage({super.key, required this.title});

  // This widget is the home page of your application. It is stateful, meaning
  // that it has a State object (defined below) that contains fields that affect
  // how it looks.

  // This class is the configuration for the state. It holds the values (in this
  // case the title) provided by the parent (in this case the App widget) and
  // used by the build method of the State. Fields in a Widget subclass are
  // always marked "final".

  final String title;

  @override
  State<MyHomePage> createState() => _MyHomePageState();
}

class _MyHomePageState extends State<MyHomePage> {
  List? listToSearch = [
    {'name': 'Amir', 'class': 12},
    {'name': 'Raza', 'class': 11},
    {'name': 'Praksh', 'class': 10},
    {'name': 'Nikhil', 'class': 9},
    {'name': 'Sandeep', 'class': 8},
    {'name': 'Tazeem', 'class': 7},
    {'name': 'Najaf', 'class': 6},
    {'name': 'Izhar', 'class': 5}
  ];

  String? selected;
  List? selectedList;

  @override
  Widget build(BuildContext context) {
    return Scaffold(
      appBar: AppBar(
        title: Text(widget.title),
      ),
      body: Center(
        child: ListView(
          children: <Widget>[
            const SizedBox(
              height: 20,
            ),
            const Text('Select a value'),
            Padding(
              padding: const EdgeInsets.all(8.0),
              child: CustomSearchableDropDown(
                menuMode: true,
                hideSearch: false,
                items: listToSearch!,
                label: 'Select Name',
                decoration:
                    BoxDecoration(border: Border.all(color: Colors.blue)),
                prefixIcon: const Padding(
                  padding: EdgeInsets.all(0.0),
                  child: Icon(Icons.search),
                ),
                dropDownMenuItems: listToSearch?.map((item) {
                      return item['name'];
                    }).toList() ??
                    [],
                onChanged: (value) {
                  if (value != null) {
                    selected = value['class'].toString();
                  } else {
                    selected = null;
                  }
                },
              ),
            ),
            const Text('Multi Select'),
            Padding(
              padding: const EdgeInsets.all(8.0),
              child: CustomSearchableDropDown(
                items: listToSearch!,
                label: 'Select Name',
                multiSelectTag: 'Names',
                decoration:
                    BoxDecoration(border: Border.all(color: Colors.blue)),
                multiSelect: true,
                prefixIcon: const Padding(
                  padding: EdgeInsets.all(0.0),
                  child: Icon(Icons.search),
                ),
                dropDownMenuItems: listToSearch?.map((item) {
                      return item['name'];
                    }).toList() ??
                    [],
                onChanged: (value) {
                  if (value != null) {
                    selectedList = jsonDecode(value);
                  } else {
                    selectedList!.clear();
                  }
                },
              ),
            ),
            const Text('Multi Select as Widget'),
            Padding(
              padding: const EdgeInsets.all(8.0),
              child: CustomSearchableDropDown(
                items: listToSearch!,
                label: 'Select Name',
                multiSelectTag: 'Names',
                multiSelectValuesAsWidget: true,
                decoration:
                    BoxDecoration(border: Border.all(color: Colors.blue)),
                multiSelect: true,
                prefixIcon: const Padding(
                  padding: EdgeInsets.all(0.0),
                  child: Icon(Icons.search),
                ),
                dropDownMenuItems: listToSearch?.map((item) {
                      return item['name'];
                    }).toList() ??
                    [],
                onChanged: (value) {
                  if (value != null) {
                    selectedList = jsonDecode(value);
                  } else {
                    selectedList!.clear();
                  }
                },
              ),
            ),
          ],
        ),
      ), // This trailing comma makes auto-formatting nicer for build methods.
    );
  }
}