A high-performance multi select dropdown widget built for modern apps that need precise filtering and smooth UX. Users can select multiple options via a scrollable checklist, view the selected count directly in the trigger, and even enable search or chip summaries for tighter control. Designed for forms, filters, settings, dashboards, and all data-heavy interfaces — mobile and web.

⚙️ Key Features

✨ Smart Multi-Selection

• ✅ Checkbox list with real-time selected count

• 🔍 Optional inline search & filter

• 🧹 “Select All” / “Clear All” with partial state

🏷 Chip & Tag Support

• 🎫 Chip summary in trigger (auto-collapse to “+N more”)

• 🗂 Grouped options, dividers & sticky headers

🛡 Form Logic & Validation

• 🚦 Max / min limits with validation messages

• 🚫 Disabled & read-only items

• 🔁 Initial values & state persistence

🌐 Data & Performance

• 🌍 Async/API data with loading & empty states

• ⚡ Virtualized list for large datasets

• ⌨️ Keyboard & screen-reader accessible (ARIA-ready)

🎨 Theming & Integration

• 🎨 Custom colors, radius, shadows & typography

• 📦 Plugin-ready for FlutterFlow forms (onChange/onValidate)

• 🌍 RTL & localization support

🎯 Perfect For

• 🛍 E-commerce filters (category, brand, features)

• 🧠 Profile interests, skills & languages

• 🗂 Admin dashboards & CMS tag selection

• 📊 Campaign builders & segmentation

• 📝 Survey forms & multi-choice questions

• 🧭 Data query builders & report filters

🔑 SEO Keywords

multi select dropdown widget, FlutterFlow custom widget, checklist dropdown FlutterFlow, chips multi select widget, searchable select widget, select all clear all dropdown, grouped options filter, mobile filter UI Flutter, async dropdown Flutter, RTL multi select input, checkbox multi select component