DropdownProPlus - A Powerful & Customizable Dropdown for Flutter

When building modern mobile applications with Flutter, creating clean and user-friendly forms is essential. Dropdown components are a common requirement — but the default dropdown often lacks flexibility like search, multi-select, and custom overlays.

That’s where DropdownProPlus comes in.

DropdownProPlus is a highly customizable dropdown package designed to enhance your Flutter app with powerful features like searchable lists, multi-selection, and a clean API — all with seamless integration.

✨ Features

DropdownProPlus provides a modern and flexible dropdown experience with:

• ✅ Customizable dropdown overlay

• 🔎 Searchable dropdown

• 🔘 Multi-select support

• 🧼 Clean and simple API

• ⚡ Easy integration into any Flutter app

Whether you’re building forms, filters, product selectors, or category pickers, DropdownProPlus makes implementation smooth and efficient.

🎬 Demo Preview

Here’s how DropdownProPlus looks in action:

Demo DropdownProPlus

The demo showcases:

• Single selection dropdown

• Multi-selection with search

• Mandatory dropdown validation

🛠 Installation

Add the dependency to your pubspec.yaml file:

dependencies:
 dropdownproplus: ^0.1.2

Then run:

flutter pub get

That’s it! You’re ready to use DropdownProPlus in your Flutter app.

🚀 Usage Example

Import the package:

import 'package:dropdownproplus/dropdownproplus.dart';

Below is a complete example demonstrating different dropdown configurations:

1️⃣ Basic Searchable Dropdown

DropdownPlus(
 isEnabled: true,
 enableSearchBar: true,
 dropdownLabel: "Fruits",
 onItemSelected: (value) {},
 dropdownItems: ["Apple", "Banana", "Orange", "Mango"],
 value: '',
 callBackKey: '',
),

✔ Search enabled
 ✔ Single selection

2️⃣ Multi-Select Dropdown with Snackbar Callback

DropdownPlus(
 isEnabled: true,
 enableSearchBar: true,
 enableMultiSelect: true,
 dropdownLabel: "Product",
 onItemSelected: (value) {
 ScaffoldMessenger.of(context).showSnackBar(
 SnackBar(content: Text("Selected: $value")),
 );
 },
 dropdownItems: [
 "Product1", "Product2", "Product3", "Product4",
 "Product5", "Product6", "Product7", "Product8", "Product9"
 ],
 value: '',
 callBackKey: '',
),

✔ Multi-selection enabled
 ✔ Real-time callback
 ✔ Ideal for filters & product lists

3️⃣ Mandatory Dropdown Field

DropdownPlus(
 isEnabled: true,
 enableSearchBar: true,
 isMandatory: true,
 dropdownLabel: "Bakery Products",
 onItemSelected: (value) {
 ScaffoldMessenger.of(context).showSnackBar(
 SnackBar(content: Text("Selected: $value")),
 );
 },
 dropdownItems: [
 "Bread", "Butter", "Toast", "Khari",
 "Milk", "Cheese", "Curd", "Butter Milk", "Cookies"
 ],
 value: '',
 callBackKey: '',
),

✔ Required field indicator
 ✔ Validation-ready
 ✔ Clean UI integration

📘 Parameters Explained

ParameterDescriptiondropdownLabelLabel displayed for the dropdowndropdownItemsList of dropdown itemsonItemSelectedCallback triggered when an item is selectedisEnabledEnable or disable the dropdownenableSearchBarEnable search bar inside dropdownenableMultiSelectEnable multi-selectionisMandatoryMarks field as requiredvalueSelected value (supports custom objects / JSON / POJO)callBackKeyAccess tapped item details

💡 Why Choose DropdownProPlus?

While Flutter provides basic dropdown functionality, modern apps often require:

• Search capability for long lists

• Multiple item selection

• Custom overlays

• Validation support

• Better UX for enterprise apps

DropdownProPlus solves these limitations with a clean and scalable approach.

🎯 Perfect For

• E-commerce product filters

• Registration & profile forms

• Survey apps

• Admin dashboards

• Inventory management systems

🔗 Links

• Pub Package: DropdownProPlus

• GitHub : DropdownProPlus

🏁 Final Thoughts

DropdownProPlus simplifies dropdown implementation in Flutter while providing powerful customization options. Whether you’re building a small app or an enterprise-level solution, this package enhances both development speed and user experience.

If you’re looking to upgrade your Flutter dropdown experience, DropdownProPlus is definitely worth integrating.

“Contributions are highly welcome — if you’re interested in improving the package or have ideas to enhance it, feel free to contribute and share your valuable feedback.”

Happy Coding! 🚀